--- title: "$320 Cheap Flights to Chelmsford - Expedia" description: "Looking for cheap flights to Chelmsford? Many airlines offer no change fee on selected flights and book now to earn your airline miles on top of our rewards! Find great 2026 Chelmsford flight deals now!" canonical: "https://www.expedia.com/Cheap-Flights-To-Chelmsford.d6336016.Travel-Guide-Flights" language: en-US market: US currency: USD prices_as_of: 2026-11-15T08:45:39Z --- # $320 Cheap Flights to Chelmsford ![A large octagonal sign with the text "CANADA 75th ANNIVERSARY 75th CENTS" and a maple leaf design.](https://images.trvl-media.com/place/6336016/de4bde27-0246-43ab-901a-9e72bbea3c77.jpg?impolicy=fcrop&w=1200&h=500&q=medium) [View $320 flight on Tue, Dec 15, 2026](https://www.expedia.com/Flights-Search?leg1=from:SFO,to:YSB,departure:12/15/2026TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:319.93&airProductToken=AQpnCjEIwYYBEgM3MzgYsnEgmM4BKLnvnwMw2vGfAzhHQABYAWoFQkFTSUNyCEdOQTVBMkJBCjIIwYYBEgQ4MjM5GJjOASDYDCji8p8DMKjznwM4R0ABWAFqBUJBU0lDcghHTkE1QTJCQRIKCAEQARgBKgJBQxgBIgQIARABKAIoAygEMA0) ## Popular airlines [Air Canada](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Chelmsford,%20Sudbury,%20Ontario,%20Canada,departure:11/29/2026TANYT&leg2=from:Chelmsford,%20Sudbury,%20Ontario,%20Canada,to:CMH,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) [United](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Chelmsford,%20Sudbury,%20Ontario,%20Canada,departure:11/29/2026TANYT&leg2=from:Chelmsford,%20Sudbury,%20Ontario,%20Canada,to:CMH,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) [Bearskin Airlines](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Chelmsford,%20Sudbury,%20Ontario,%20Canada,departure:11/29/2026TANYT&leg2=from:Chelmsford,%20Sudbury,%20Ontario,%20Canada,to:CMH,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"JV"}}]) [Swiss International Air Lines](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Chelmsford,%20Sudbury,%20Ontario,%20Canada,departure:11/29/2026TANYT&leg2=from:Chelmsford,%20Sudbury,%20Ontario,%20Canada,to:CMH,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LX"}}]) [WestJet](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Chelmsford,%20Sudbury,%20Ontario,%20Canada,departure:11/29/2026TANYT&leg2=from:Chelmsford,%20Sudbury,%20Ontario,%20Canada,to:CMH,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) [Emirates](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Chelmsford,%20Sudbury,%20Ontario,%20Canada,departure:11/29/2026TANYT&leg2=from:Chelmsford,%20Sudbury,%20Ontario,%20Canada,to:CMH,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"EK"}}]) ### Be in the know Get alerts if flight prices drop or rise\* ### Book smarter Save up to 30% on select hotels after you book a flight\* ### Earn twice Earn your airline miles on top of our OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## Expedia's flights to Chelmsford Prices were available within the past 7 days and start at $320 for one-way flights and $675 for roundtrip, for the period specified. Prices and availability are subject to change. All deals One way Roundtrip [Select Air Canada flight, departing Fri, Dec 25 from Columbus to Sudbury, returning Mon, Dec 28, priced at $1,066 Found 6 days ago](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:YSB,departure:12/25/2026TANYT&leg2=from:YSB,to:CMH,departure:12/28/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1065.11&airProductToken=AQpoCjIIwYYBEgQ4NzUyGII7IJjOASiG36ADMNnfoAM4S0AAWAFqBUJBU0lDcghLTkE0QTJCQQoyCMGGARIEODIzNRiYzgEg2Awoj-GgAzDV4aADOEtAAVgBagVCQVNJQ3IIS05BNEEyQkESCggBEAEYASoCQUMYASIECAEQASgCKAMoBDAN) Fri, Dec 25 - Mon, Dec 28 · CMH · YSB · Roundtrip [Select Air Canada flight, departing Fri, Dec 25 from Columbus to Sudbury, returning Mon, Dec 28, priced at $1,087 Found 6 days ago](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:YSB,departure:12/25/2026TANYT&leg2=from:YSB,to:CMH,departure:12/28/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1086.61&airProductToken=AQpuCjUIwYYBEgQ4NzUyGII7IJjOASiG36ADMNnfoAM4S0AAWAFqCFNUQU5EQVJEcghLTkE0QTJURwo1CMGGARIEODIzNRiYzgEg2Awoj-GgAzDV4aADOEtAAVgBaghTVEFOREFSRHIIS05BNEEyVEcSCggBEAEYASoCQUMYASIECAEQASgCKAMoBDAN) Fri, Dec 25 - Mon, Dec 28 · CMH · YSB · Roundtrip [Select Air Canada flight, departing Fri, Dec 25 from Columbus to Sudbury, returning Mon, Dec 28, priced at $1,090 Found 6 days ago](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:YSB,departure:12/25/2026TANYT&leg2=from:YSB,to:CMH,departure:12/28/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1089.31&airProductToken=AQpoCjIIwYYBEgQ4NzUyGII7IJjOASiG36ADMNnfoAM4S0AAWAFqBUJBU0lDcghLTkE0QTJCQQoyCMGGARIEODIzORiYzgEg2AwoneOgAzDj46ADOEtAAVgBagVCQVNJQ3IIS05BNEEyQkESCggBEAEYASoCQUMYASIECAEQASgCKAMoBDAN) Fri, Dec 25 - Mon, Dec 28 · CMH · YSB · Roundtrip [Select Air Canada flight, departing Fri, Dec 25 from Columbus to Sudbury, returning Mon, Dec 28, priced at $1,111 Found 6 days ago](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:YSB,departure:12/25/2026TANYT&leg2=from:YSB,to:CMH,departure:12/28/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1110.81&airProductToken=AQpuCjUIwYYBEgQ4NzUyGII7IJjOASiG36ADMNnfoAM4S0AAWAFqCFNUQU5EQVJEcghLTkE0QTJURwo1CMGGARIEODIzORiYzgEg2AwoneOgAzDj46ADOEtAAVgBaghTVEFOREFSRHIIS05BNEEyVEcSCggBEAEYASoCQUMYASIECAEQASgCKAMoBDAN) Fri, Dec 25 - Mon, Dec 28 · CMH · YSB · Roundtrip [Select United flight, departing Fri, Dec 25 from Columbus to Sudbury, returning Mon, Dec 28, priced at $1,129 Found 6 days ago](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:YSB,departure:12/25/2026TANYT&leg2=from:YSB,to:CMH,departure:12/28/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1128.66&airProductToken=AQqtAQozCNWCARIEMTc4MBiCOyCuHCjw3aADMNveoAM4S0AAWAFqB0VDT05PTVlyCEtOQTRBMlRHCjQI1YIBEgQ1MjM1GK4cIJjOASjD4aADMLvioAM4S0ABWAFqB0VDT05PTVlyCEtOQTRBMlRHCkAI1YIBEgQ4NjUwGJjOASDYDCid46ADMOPjoAM4S0ABWAFqB0VDT05PTVlyCEtOQTRBMlRHegoIwYYBEgQ4MjM5EgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ) Fri, Dec 25 - Mon, Dec 28 · CMH · YSB · Roundtrip ## Book with confidence ### Flights to Chelmsford at a glance Traveling to Chelmsford is easy, thanks to full-service airlines that provide a variety of flight choices. Explore different journey times and select the option that best aligns with your itinerary and plans to discover the city's renowned attractions and neighborhoods. - **Major airport near Chelmsford**: Greater Sudbury Airport (YSB) - **Flights per week**: 15 flights arriving at Chelmsford airport - **Number of airlines that fly to Chelmsford**: around 2 carriers ### Popular airport near Chelmsford Chelmsford is a charming village ideal for outdoor enthusiasts and those seeking scenic adventures. Visitors are drawn to Chelmsford for its stunning landscapes, family-friendly activities, rich culture, and romantic ambiance. The village is conveniently accessible via a major airport. - **Greater Sudbury Airport ([YSB](https://www.expedia.com/cheap-flights-to-greater-sudbury.d6033744.travel-guide-flights)):** Situated in the Sudbury District of Ontario, approximately 20 miles from Chelmsford, this airport caters to both international and domestic flights, with connections to 1 domestic city and 1 international location. Notable airlines operating here include Air Canada and United. ### Top routes to Chelmsford - Toronto (YYZ) to Chelmsford (YSB), with one-way flights starting at around $130 - Los Angeles (LAX) to Chelmsford (YSB), with one-way tickets available from around $210 ### Cheapest routes to Chelmsford - Toronto (YYZ) to Chelmsford (YSB), with low one-way fares from around $130 - Los Angeles (LAX) to Chelmsford (YSB), with low-cost one-way tickets from around $210 \*Flight times and fares vary by season and availability and are based on one-way routes ### Top airlines with flights to Chelmsford - **[Air Canada](https://www.expedia.com/air-canada-flights.cac.travel-guide-airlines):** Provides services to Greater Sudbury Airport (YSB), representing approximately 94% of arrivals in Chelmsford. The typical one-way fare hovers around $230. - **[United](https://www.expedia.com/united-flights.cua.travel-guide-airlines):** Operates flights to Greater Sudbury Airport (YSB), contributing about 6% of arrivals to Chelmsford. One-way fares average around $340. ### How to save money on a flight to Chelmsford Getting some of the best [deals on flights](https://www.expedia.com/flight-deals) to Chelmsford is all about timing and flexibility. Here are some key tips to help you save: 1. **Compare flight options**—use **Expedia's search tool** to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also **sort by price** to find the most affordable options. 2. **Set up price alerts**—as an Expedia member you can use [Price Tracking](https://www.expedia.com/why/price-tracking) to receive notifications when flight prices change. 3. **Bundle and save**—book a flight and unlock a hotel deal on Expedia\*, or explore our [Chelmsford hotel and flight deals](https://www.expedia.com/chelmsford.d6336016.destination-travel-guides). 4. **Think about luggage**\-nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your baggage allowance before confirming your booking to avoid excess baggage fees at the airport. 5. **Earn miles**—you can earn airline miles when you book your Chelmsford flight with Expedia. Just select your frequent flyer program and enter your program number when confirming your booking. \*For members. Select hotels. ### Arriving in Chelmsford Chelmsford welcomes travelers through its range of transport options based on price, convenience, and proximity. Here's how to reach Chelmsford efficiently: - **Hotel transfer:** Transfers offer a convenient way to reach your hotel in Chelmsford, with private rides that can be arranged in advance. - **Car rental:** Renting a car in Chelmsford is a good option if you plan to explore and sightsee beyond the city. Browse [cheap car rentals in Chelmsford](https://www.expedia.com/car-rentals-in-chelmsford.d6336016.car-rental-guide) on Expedia. - **Taxi/ride-hailing:** Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival. ### Where to stay around Chelmsford - **[Val Caron](https://www.expedia.com/Val-Caron-Hotels.d3000439583.Travel-Guide-Hotels):** Located 13 miles drive away from Chelmsford, Val Caron is a charming village that offers a mix of city life and outdoor adventure. Visitors can enjoy the scenic views around local landmarks like Cambrian College and the beautiful lake and beach. Whether you're looking to shop at the local mall or take the family to Matson Playground, there are plenty of activities to keep everyone entertained. The Cambrian Arena is another highlight, providing a venue for various events and recreational activities. - **[Azilda](https://www.expedia.com/Azilda-Hotels.d6342948.Travel-Guide-Hotels):** Azilda is located 4 miles drive away from Chelmsford and is a great destination for outdoor enthusiasts and adventurers. The village is surrounded by scenic landscapes, with a national state park and a nature reserve nearby, perfect for hiking and exploring. Key attractions include College Boreal, a modern educational facility, and Dynamic Earth, a fascinating science museum that appeals to families and culture seekers alike. The Sudbury Arena offers additional entertainment options for visitors looking to enjoy local events. - **[Lively](https://www.expedia.com/Lively-Hotels.d6060138.Travel-Guide-Hotels):** Located 11 miles drive away from Chelmsford, Lively is a vibrant village that caters to families and outdoor lovers. With numerous recreational areas, hiking trails, and a lake, it’s an excellent spot for adventure seekers. Science North is a must-visit science museum that engages the whole family, while Laurentian University provides a modern campus atmosphere for those interested in education. The Sudbury Arena also serves as a local entertainment hub, hosting various events and activities throughout the year. ### Tips for short-haul flights to Chelmsford For quick getaways, efficiency is key. Here is how to make your short-haul journey smoother: - **Pack light and skip checked bags**—with budget airlines, traveling with just a carry-on is often more cost-effective. Maximize space by using mini toiletries, wearing your bulkiest clothing, and coordinating your outfits. This approach also allows you to avoid the wait at baggage claim upon arrival. - **Bring your own entertainment**—many short-haul flights may not provide in-flight entertainment options. Download TV shows, movies, music, or podcasts ahead of time and consider bringing a book to keep yourself entertained. Remember to fully charge your devices before you board. - **Arrive at the airport in plenty of time**—for even short or domestic flights, it's advisable to arrive at least 1.5 to 2 hours before departure, taking into account traffic and security lines. - **Bring your own snacks and water**—pack snacks and a refillable water bottle to stay hydrated and save money while at the airport. ### Tips for long-haul flights to Chelmsford Flying long-haul sometimes requires extra planning to ensure a comfortable journey: - **Select your seat in advance**—for long flights, choosing your seat is essential for comfort. Full-service airlines typically allow seat selection for free once online check-in opens, which is generally 24–48 hours before your flight. Some airlines may provide earlier seat selection options. - **Arrive at the airport in plenty of time**—aim to be at the airport at least 3 hours prior to departure for international flights to accommodate check-in, security, and immigration processes. - **Relax at the airport**—if you have some extra time, explore the shops, grab a coffee, or unwind at the gate or in a departure lounge if you have access. Airport Wi-Fi is usually free and widely available. - **Adjust to the new time zone mid-flight**—begin syncing your body clock by changing your watch and sleep schedule to align with your destination's time zone. Try to sleep or stay awake during the flight according to the local time of your arrival to help minimize jet lag. ### Tips to find the cheapest flights to Chelmsford ### The cheapest day to fly Get started finding a cheap flight to Chelmsford on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you. ### The cheapest month to fly December is the cheapest month to fly to Chelmsford. This coincides with the low season when fewer people travel. Whichever month you travel in, though, be sure to book at least a month in advance if you want to score cheap tickets to Chelmsford. ARC's data shows that domestic flights booked 28 days or more before departure are typically 24% cheaper than those booked last minute. ### The most affordable time to book a flight Typically, a Sunday can be the cheapest time to book a flight to Chelmsford, according to ARC’s data. On average, you could save between 6% and 13% by booking on a Sunday instead of a Friday, which is the most expensive day to make a reservation. ### The cheapest round-trip tickets to Chelmsford The lowest price for round-trip flights to Chelmsford in 2026 starts from $675, while one-way tickets start from from $320\. Expedia's effective search tool is one of the best ways to find a budget airfare. Simply enter your dates, and within seconds, it'll show you a vast selection of the cheapest flights to Chelmsford. If you have a preferred departure time or airline, you can use the handy filters to customize your search. ### The cheapest airlines flying to Chelmsford Air Canada, United are just some of the airlines that can typically offer cheap tickets to Chelmsford. You can find their most affordable flights by using the “airline” search filter and then sorting prices from low to high. As a trusted partner of the world's leading airlines, Expedia offers you some of the best airfare deals to Chelmsford and countless more destinations worldwide. ### The most affordable airports to fly into To view the cheapest airports to fly into for Chelmsford, simply order your search results from lowest to highest price. Expedia's search tool compares flight prices for all airports close to your destination, so you don't have to manually search them one by one to find the cheapest flight to Chelmsford. If you have a preferred place to fly into, take advantage of the “arrival airport” filter to narrow down your search on Expedia. ### Save with a package With Expedia's amazing [package deals](https://www.expedia.com/package-deals), you could save hundreds of dollars by booking your Chelmsford plane tickets together with your accommodations, car rental, or activities. Just select the search wizard's “package” option to view some of the cheapest deals. Look out for the green savings label to see how much you're saving. ### Date flexibility for the cheapest flights to Chelmsford If you can be flexible with your travel dates, it's a good idea to broaden your search by comparing prices on different days. This will open up more options, meaning you could uncover a less expensive flight to Chelmsford. ### Stopover savings The cheapest tickets to Chelmsford are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Chelmsford. While the overall travel time might be longer than a non-stop flight, you may decide it's worth it for the money saved. ### Get Expedia's Price Drop Protection Price Drop Protection means that if your flight gets cheaper after booking, you'll be credited the difference\*. This gives you peace of mind that you're getting one of the cheapest flights to Chelmsford for your chosen departure. Expedia's Price Drop Protection is available for a small fee but is free to One Key Gold and Platinum tier members. *\*Terms apply.* ### Use our Price Tracking feature Expedia's Price Tracking feature is another great tool that removes the guesswork from finding cheap flights to Chelmsford. Simply download the free Expedia app to your smart device and activate Chelmsford flight price alerts for your travel dates. There's even a price predictor tool that uses historical data to indicate the best time to book, giving you peace of mind that you'll nab the lowest prices. ### Book with Expedia As well as Price Drop Protection and Price Tracking, Expedia's close partnership with a vast selection of the world's leading airlines means you're sure to find cheap flights to Chelmsford. Plus, the One Key rewards program lets you earn real cash rewards on most bookings that you can use to save money on future trips. Best of all, it's free to join, and members often unlock exclusive discounts, too. *Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. The percentages you see are averages.* ## Frequently Asked Questions ### What month is the cheapest to fly to Chelmsford? The cheapest month to fly to Chelmsford is December when demand is low. Off-peak months are often when you'll find cheap flights. To save money, steer clear of flying during school breaks and major holidays. ### Which US cities fly direct to Chelmsford? Nonstop flights are a great way to take the hassle out of travel. When browsing on Expedia, check "Direct flights only" and we'll show you the direct options to fly to Chelmsford. ### How to find a cheap flight to Chelmsford? To secure cheap flights to Chelmsford, book well in advance or visit during the off-season months of December and January. Like another tip? Jet off on a Thursday and save around 16% on average compared to those who travel on a Sunday.\* Set a price alert on the [Expedia app](https://www.expedia.com/app) and we'll notify you as soon as your fares drop. *\*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.* ### How to get a cheap last-minute flight to Chelmsford? Being flexible about your plans can help you to find last-minute offers on cheap flights to Chelmsford. To see all the available options, consider looking at different ticket types, tweaking your Chelmsford trip dates, jetting out of an alternative airport or going with another airline. ### How far in advance should I book a flight to Chelmsford? Secure your flight to Chelmsford two to four months ahead if you're taking off from an international destination. For domestic travel, the usual timeframe is 28 days in advance. Lower fares and a greater choice of departure dates, schedules and seating options are just some of the awesome benefits of booking early.\* *\*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.* ### Which day of the week is the cheapest day to buy a plane ticket to Chelmsford? Sundays are typically the best day to book a cheap flight to Chelmsford, where you can save 8% on average compared to Fridays. If you purchase tickets on a Friday, expect to pay a higher price as this is typically the most expensive day.\* *\*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.* ### Which airlines fly to Chelmsford? Two of the most popular airlines to Chelmsford are Air Canada and Bearskin Airlines. Altogether, 3 airlines link Chelmsford with 5 airports across the world. Greater Sudbury Airport (YSB) is the chief gateway to this fascinating destination. ### Where do you fly into Chelmsford? Greater Sudbury Airport (YSB) is the main airport for passengers flying to Chelmsford. Or you could arrive at Manitowaning, ON (YEM-Manitoulin East Municipal). Compare fares between the two airports to find the easiest or cheapest way to fly to Chelmsford. ### How far is the airport from central Chelmsford? If you're touching down at Greater Sudbury Airport (YSB), you'll be about 19 mi east of central Chelmsford. ### Can I save money by booking a Chelmsford trip package? It's possible to save hundreds of dollars if you lock in a [Chelmsford flight and hotel package deal](https://www.expedia.com/Chelmsford.d6336016.Destination-Travel-Guides) on Expedia. And you'll save time and hassle by having all your travel arrangements in one place. Try bundling your flight and hotel with extras such as activities and car rentals for your own personalized Chelmsford getaway. ### Can I change or cancel my flight to Chelmsford? You can often cancel or change your flight to Chelmsford within 24 hours of booking. However, keep in mind that some fares are non-refundable. In those cases, you may be issued a credit toward future travel instead of a direct refund. Be sure to check the airline's rules and restrictions in your itinerary for specific details. Use Expedia's "No cancel fee" or "Changes included" filters during your search to find cheap flights to Chelmsford with flexible change policies. To learn more, visit our [Customer Service Portal](https://www.expedia.com/service/?langid=1033). ## Travel information | Destination city name | Sudbury | | ----------------------------- | --------------------------------------------------------------------------------------- | | Destination airport | Sudbury, ON | | Destination airport IATA code | YSB | | Airlines serving | Air Canada, United, Bearskin Airlines, Swiss International Air Lines, WestJet, Emirates | | Popular airline | Air Canada | | Roundtrip price | $1,066 | ## Explore a world of travel with Expedia - [Lodging](?equalTargetTab=tab-0) - [Flights](?equalTargetTab=tab-1) - [Packages](?equalTargetTab=tab-2) - [Cars](?equalTargetTab=tab-3) - [Vacation Rentals](?equalTargetTab=tab-4) - [Hotels with a View in Sudbury](https://www.expedia.com/Sudbury-Hotels-Hotels-With-View.0-0-d6127346-tHotelswithView.Travel-Guide-Filter-Hotels) - [3 Star Hotels in Azilda](https://www.expedia.com/3Star-Azilda-Hotels.s30-0-d6342948.Travel-Guide-Filter-Hotels) - 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[Apartments in Naughton](https://www.expedia.com/Naughton-Apartments.d6336040-aaApartments.Travel-Guide-Accommodation) - [Chelmsford Hotels](https://www.expedia.com/Chelmsford-Hotels.d6336016.Travel-Guide-Hotels) - [Cheap Hotels in Sudbury](https://www.expedia.com/Sudbury-Hotels-Cheap-Hotels.0-0-d6127346-tCheapHotels.Travel-Guide-Filter-Hotels) - [Hotels with a Pool in Sudbury](https://www.expedia.com/Sudbury-Hotels-Hotel-With-Pool.0-0-d6127346-tHotelwithPool.Travel-Guide-Filter-Hotels) - [Historic Hotels in Sudbury](https://www.expedia.com/Sudbury-Hotels-Historic-Hotel.0-0-d6127346-tHistoricHotel.Travel-Guide-Filter-Hotels) - [Hotels near Cambrian College](https://www.expedia.com/Cambrian-College-Hotels.0-l6204786-0.Travel-Guide-Filter-Hotels) - [Hotels with Free Breakfast in Sudbury](https://www.expedia.com/Sudbury-Hotels-Hotels-With-Complimentary-Breakfast.0-0-d6127346-tHotelswithComplimentaryBreakfast.Travel-Guide-Filter-Hotels) - [Sudbury Hotels](https://www.expedia.com/Sudbury-Hotels.d6127346.Travel-Guide-Hotels) - 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[Vacation Homes in Val Caron](https://www.expedia.com/Val-Caron-Private-Vacation-Homes.d3000439583-aaPrivateVacationHomes.Travel-Guide-Accommodation) - [Hotels near Health Sciences North](https://www.expedia.com/Health-Sciences-North-Hotels.0-l6298344-0.Travel-Guide-Filter-Hotels) - [Hotels near Bell Park](https://www.expedia.com/Bell-Park-Hotels.0-l553248635976095269-0.Travel-Guide-Filter-Hotels) - [Garson Hotels](https://www.expedia.com/Garson-Hotels.d868273847471075328.Travel-Guide-Hotels) - [Hotels with Room Service in Sudbury](https://www.expedia.com/Sudbury-Hotels-Hotels-With-Room-Service.0-0-d6127346-tHotelswithRoomService.Travel-Guide-Filter-Hotels) - [Hotels near New Sudbury Centre](https://www.expedia.com/New-Sudbury-Centre-Hotels.0-l6298327-0.Travel-Guide-Filter-Hotels) - [Hotels with Restaurants in Sudbury](https://www.expedia.com/Sudbury-Hotels-Hotels-With-Restaurants.0-0-d6127346-tHotelswithRestaurants.Travel-Guide-Filter-Hotels) - [Extended Stay Hotels in Sudbury](https://www.expedia.com/Sudbury-Hotels-Extended-Stay-Hotels.0-0-d6127346-tExtendedStayHotels.Travel-Guide-Filter-Hotels) - [Hotels near Timberwolf Golf Course](https://www.expedia.com/Timberwolf-Golf-Course-Hotels.0-l553248621532865395-0.Travel-Guide-Filter-Hotels) - [Hotels near Science North](https://www.expedia.com/Science-North-Hotels.0-l6204797-0.Travel-Guide-Filter-Hotels) - [Hotels near Copper Cliff Museum](https://www.expedia.com/Copper-Cliff-Museum-Hotels.0-l553248621533086621-0.Travel-Guide-Filter-Hotels) - [Hotels on the Lake in Sudbury](https://www.expedia.com/Sudbury-Hotels-Lakefront-Hotels.0-0-d6127346-tLakefrontHotels.Travel-Guide-Filter-Hotels) - [Hotels with Waterslides in Sudbury](https://www.expedia.com/Sudbury-Hotels-Hotels-With-Waterslides.0-0-d6127346-tHotelswithWaterslides.Travel-Guide-Filter-Hotels) - [Azilda Hotels](https://www.expedia.com/Azilda-Hotels.d6342948.Travel-Guide-Hotels) - [Vacation Homes in Sudbury](https://www.expedia.com/Sudbury-Private-Vacation-Homes.d6127346-aaPrivateVacationHomes.Travel-Guide-Accommodation) - [Motels in Onaping](https://www.expedia.com/Onaping-Motels.d3000465800-aaMotels.Travel-Guide-Accommodation) - [Romantic Hotels in Sudbury](https://www.expedia.com/Sudbury-Hotels-Romantic-Hotel.0-0-d6127346-tRomanticHotel.Travel-Guide-Filter-Hotels) - [Apartments in Lively](https://www.expedia.com/Lively-Apartments.d6060138-aaApartments.Travel-Guide-Accommodation) - [Aparthotels in Sudbury](https://www.expedia.com/Sudbury-Apart-Hotels.d6127346-aaApartHotels.Travel-Guide-Accommodation) - [Hotels with Kitchenettes in Sudbury](https://www.expedia.com/Sudbury-Hotels-Hotels-With-Kitchens.0-0-d6127346-tHotelswithKitchens.Travel-Guide-Filter-Hotels) - [Resorts & Hotels with Spas in Sudbury](https://www.expedia.com/Sudbury-Hotels-Spa-Hotel.0-0-d6127346-tSpaHotel.Travel-Guide-Filter-Hotels) - [4 Star Hotels in Naughton](https://www.expedia.com/4Star-Naughton-Hotels.s40-0-d6336040.Travel-Guide-Filter-Hotels) - [Motels in Sudbury](https://www.expedia.com/Sudbury-Motels.d6127346-aaMotels.Travel-Guide-Accommodation) - [Flights to River Valley](https://www.expedia.com/Cheap-Flights-To-River-Valley.d181902.Travel-Guide-Flights) - [Flights to Wikwemikong](https://www.expedia.com/Cheap-Flights-To-Wikwemikong.d553248635404216990.Travel-Guide-Flights) - [Flights to Noelville](https://www.expedia.com/Cheap-Flights-To-Noelville.d6345941.Travel-Guide-Flights) - [Flights from Sudbury](https://www.expedia.com/lp/flights/6127346/flights-from-sudbury) - [Flights to Markstay-Warren](https://www.expedia.com/Cheap-Flights-To-Markstay-Warren.d3000369008.Travel-Guide-Flights) - [Flights to Benny](https://www.expedia.com/Cheap-Flights-To-Benny.d553248635921781352.Travel-Guide-Flights) - [Flights to Whitefish Falls](https://www.expedia.com/Cheap-Flights-To-Whitefish-Falls.d181915.Travel-Guide-Flights) - [Flights to Lively](https://www.expedia.com/Cheap-Flights-To-Lively.d6060138.Travel-Guide-Flights) - [Flights to Alban](https://www.expedia.com/Cheap-Flights-To-Alban.d6345939.Travel-Guide-Flights) - [Flights to Lavigne](https://www.expedia.com/Cheap-Flights-To-Lavigne.d6336038.Travel-Guide-Flights) - [Flights to Field](https://www.expedia.com/Cheap-Flights-To-Field.d3000443217.Travel-Guide-Flights) - 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[Flights to Sudbury](https://www.expedia.com/Cheap-Flights-To-Sudbury.d6127346.Travel-Guide-Flights) - [Flights to Verner](https://www.expedia.com/Cheap-Flights-To-Verner.d3000480506.Travel-Guide-Flights) - [Sudbury Vacations](https://www.expedia.com/Sudbury.d6127346.Destination-Travel-Guides) - [Flour Mill Heritage Museum](https://www.expedia.com/Flour-Mill-Heritage-Museum-Sudbury.d553248621533086620.Vacation-Attraction) - [Visit Val Caron](https://www.expedia.com/Val-Caron.dx3000439583) - [Visit Sudbury](https://www.expedia.com/Sudbury.dx6127346) - [Dinosaur Valley Mini Golf](https://www.expedia.com/Dinosaur-Valley-Mini-Golf-Sudbury.d553248621532865396.Vacation-Attraction) - [Dynamic Earth](https://www.expedia.com/Dynamic-Earth-Sudbury.d6204799.Vacation-Attraction) - [Visit Lively](https://www.expedia.com/Lively.dx6060138) - [Science North](https://www.expedia.com/Science-North-Sudbury.d6204797.Vacation-Attraction) - [Val Caron Vacations](https://www.expedia.com/Val-Caron.d3000439583.Destination-Travel-Guides) - [Visit Whitefish](https://www.expedia.com/Whitefish.dx621997370115497984) - [Onaping Falls](https://www.expedia.com/Onaping-Falls-Sudbury.d553248621532865393.Vacation-Attraction) - [Copper Cliff Museum](https://www.expedia.com/Copper-Cliff-Museum-Sudbury.d553248621533086621.Vacation-Attraction) - [Lively Vacations](https://www.expedia.com/Lively.d6060138.Destination-Travel-Guides) - [Car rental Sudbury](https://www.expedia.com/Car-Rentals-In-Sudbury.d6127346.Car-Rental-Guide) - [Hertz Rental Cars in Sudbury](https://www.expedia.com/Hertz-Car-Rentals-In-Sudbury.d6127346-c40.Car-Rental-Guide-Suppliers) - [Enterprise Rental Cars in Sudbury](https://www.expedia.com/Enterprise-Car-Rentals-In-Sudbury.d6127346-c15.Car-Rental-Guide-Suppliers) - [Car rental Chelmsford](https://www.expedia.com/Car-Rentals-In-Chelmsford.d6336016.Car-Rental-Guide) - [Val Caron Vacation Rentals](https://www.expedia.com/Val-Caron-Vacation-Rentals.d3000439583.Travel-Guide-VacationRentals) - [Lively Vacation Rentals](https://www.expedia.com/Lively-Vacation-Rentals.d6060138.Travel-Guide-VacationRentals) - [Sudbury Vacation Rentals](https://www.expedia.com/Sudbury-Vacation-Rentals.d6127346.Travel-Guide-VacationRentals) ## Trending flights to Chelmsford Prices were available within the past 7 days and start at $320 for one-way flights and $675 for roundtrip, for the period specified. Prices and availability are subject to change. All deals One way Roundtrip [Select Air Canada flight, departing Tue, Dec 15 from San Francisco to Sudbury, returning Fri, Jan 8, priced at $675 Found 6 hours ago](https://www.expedia.com/Flights-Search?leg1=from:SFO,to:YSB,departure:12/15/2026TANYT&leg2=from:YSB,to:SFO,departure:1/8/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:674.65&airProductToken=AQpnCjEIwYYBEgM3MzgYsnEgmM4BKLnvnwMw2vGfAzhHQABYAWoFQkFTSUNyCEdOQTVBMkJBCjIIwYYBEgQ4MjM5GJjOASDYDCji8p8DMKjznwM4R0ABWAFqBUJBU0lDcghHTkE1QTJCQRIKCAEQARgBKgJBQxgBIgQIARABKAIoAygEMA0) Tue, Dec 15 - Fri, Jan 8 · SFO · YSB · Roundtrip \*Available to One Key members. ## Other language versions ```yaml hreflang: x-default: https://www.expedia.com/Cheap-Flights-To-Chelmsford.d6336016.Travel-Guide-Flights fr-CA: https://www.expedia.ca/fr/Cheap-Flights-To-Chelmsford.d6336016.Travel-Guide-Flights en-US: https://www.expedia.com/Cheap-Flights-To-Chelmsford.d6336016.Travel-Guide-Flights nb-NO: https://www.expedia.no/Fly-Til-Chelmsford.d6336016.Reise-Guide-Fly en-SG: https://www.expedia.com.sg/Cheap-Flights-To-Chelmsford.d6336016.Travel-Guide-Flights en-CA: https://www.expedia.ca/Cheap-Flights-To-Chelmsford.d6336016.Travel-Guide-Flights de-AT: https://www.expedia.at/Billigflug-Chelmsford.d6336016.Reise-Angebote-Flug de-DE: https://www.expedia.de/Billigflug-Chelmsford.d6336016.Reise-Angebote-Flug ```