A calm lake reflecting trees and a field of yellow flowers.

$56 Cheap Flights to Round Lake, IL

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Popular airlines to Round Lake

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Today's featured flight deals to Round Lake

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How much is the cheapest flight to Round Lake?

Prices were available within the past 7 days and start at $56 for one-way flights and $104 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
American Airlines
Delta
United
JetBlue Airways

Alternative airports near Round Lake

Prices were available within the past 7 days. Prices and availability are subject to change.

What you need to know for your flight to Round Lake

Flights to Round Lake at a glance

Traveling to Round Lake is easy; you can choose between budget-friendly options and full-service airlines. Compare flight durations and select the best choice that aligns with your budget, itinerary, and plans to discover the city’s renowned attractions and neighborhoods. Look out for great Round Lake flight deals!

  • Major airport near Round Lake: O'Hare International Airport (ORD)
  • Flights per week: 8,150+ flights arriving at Round Lake airport
  • Number of airlines that fly to Round Lake: around 75+ carriers

Popular airport near Round Lake

Round Lake is a charming city ideal for outdoor enthusiasts and family getaways, offering beautiful scenery and opportunities for adventure and romance. Visitors can easily access convenient flights from several major airports near Round Lake, including the Round Lake Weagamow Lake Airport, making travel straightforward for all.

  • O'Hare International Airport (ORD): Situated in Cook County, Illinois, approximately 28 miles from Round Lake, this major airport caters to both domestic and international travelers. It provides connections to over 285 domestic cities and more than 315 international destinations. Passengers can opt for first class, premium economy, or business class seating for enhanced comfort, depending on the airline and route. Key airlines operating from O'Hare include American Airlines, United, and Frontier Airlines.

Top routes to Round Lake

  • New York (JFK/LGA) to Round Lake (ORD), with one-way airfare from around $45
  • Los Angeles (LAX) to Round Lake (ORD), with one-way flight options from around $80
  • Boston (BOS) to Round Lake (ORD), with one-way airfare from around $60
  • Orlando (MCO) to Round Lake (ORD), with one-way fares starting at around $50
  • Las Vegas (LAS) to Round Lake (ORD), with one-way tickets available from around $60

Cheapest routes to Round Lake

  • Burlington (BRL/BTV) to Round Lake (ORD), with low one-way fares from around $40
  • New York (JFK/LGA) to Round Lake (ORD), with low-cost one-way tickets from around $45
  • Atlanta (ATL) to Round Lake (ORD), with affordable one-way prices from around $45
  • Fort Lauderdale (FLL) to Round Lake (ORD), with low one-way fares from around $45
  • Nashville (BNA) to Round Lake (ORD), with budget one-way fares from around $45

*Flight times and fares vary by season and availability and are based on one-way routes

Top airlines with flights to Round Lake

  • American Airlines: Operating flights to O'Hare International Airport (ORD), American Airlines represents about 36% of Round Lake's arrivals. The average fare for a one-way ticket is roughly $390, with options for premium economy, business, and first class depending on the route.
  • United: Also flying into O'Hare International Airport (ORD), United accounts for approximately 35% of arrivals to Round Lake. One-way fares average around $380, with premium cabin services including premium economy, business, and first class available based on the route.
  • Delta: Providing service to O'Hare International Airport (ORD), Delta makes up about 8% of arrivals in Round Lake. Travelers can expect an average one-way fare of about $360, with premium economy, business, and first class options dependent on the route.
  • Frontier Airlines: Operating out of O'Hare International Airport (ORD), Frontier Airlines contributes around 3% of the arrivals to Round Lake. The average one-way fare is approximately $160, making it a budget-friendly choice for travelers.
  • Southwest Airlines: Flying to O'Hare International Airport (ORD), Southwest Airlines accounts for about 2% of arrivals to Round Lake. Passengers can anticipate an average one-way ticket price of around $230, providing a variety of travel options.

Best time to fly to Round Lake

The most popular months for travelers to fly to Round Lake are January, March, and April, when peak temperatures in Round Lake can reach up to 45.7°F in April. If you prefer quieter travel, consider September, the least busy time to visit with temperatures around 65.3°F and typically the lowest average one-way fare (around $205), roughly 10% cheaper than the yearly average. Looking for additional cheaper months to fly? October, November, and May offer average one-way fares roughly ranging from $206 to $218, making them good options for flexible travelers.

calendar iconMonthtemperature iconTemperaturerain iconPrecipitationmostly cloudy iconCloudinesscrowd level iconDemandprice iconAverage one-way Fare
January23.0°F (-5.0°C)Light RainMostly CloudyModerately High$281
February24.8°F (-4.0°C)Light RainMostly CloudyAverage$221
March36.5°F (2.5°C)Light RainMostly CloudyModerately High$245
April45.7°F (7.6°C)Light RainMostly CloudyModerately High$236
May57.2°F (14.0°C)Light RainMostly SunnyAverage$218
June67.1°F (19.5°C)Light RainMostly SunnyAverage$231
July72.5°F (22.5°C)Light RainMostly SunnyAverage$228
August71.6°F (22.0°C)Light RainMostly SunnyAverage$221
September65.3°F (18.5°C)Light RainMostly SunnyModerately Low$205
October52.9°F (11.6°C)Light RainMostly SunnyAverage$206
November39.9°F (4.4°C)Light RainMostly SunnyModerately Low$217
December30.6°F (-0.8°C)Light RainMostly CloudyModerately Low$222

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

How to save money on a flight to Round Lake

Getting some of the best deals on flights to Round Lake 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 to receive notifications when flight prices change.
  3. Bundle and save—book a flight and unlock a hotel deal on Expedia*, or explore our Round Lake hotel and flight deals.
  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 Round Lake flight with Expedia. Just select your frequent flyer program and enter your program number when confirming your booking.

*For members. Select hotels.

Arriving in Round Lake

Round Lake welcomes travelers through its range of transport options based on price, convenience, and proximity. Here's how to reach Round Lake efficiently:

  • Public transportation: From O'Hare International Airport, O'Hare Station, a metro station, is located about 0.1 miles away by walking, while Rosemont Station, a train station, is situated about 2.2 miles away by car, providing convenient transport options for travelers.
  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Round Lake, with private rides that can be arranged in advance.
  • Car rental: Renting a car in Round Lake is a good option if you plan to explore and sightsee beyond the city. Browse cheap car rentals in Round Lake 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 Round Lake

  • McHenry: Located 9 miles away from Round Lake, McHenry is a charming city that entices travelers with its beautiful outdoor scenery and romantic spots. Enjoy the natural beauty at local landmarks like Petersen Park Beach, perfect for a relaxing beach day. For a unique family experience, visit the Volo Auto Museum, showcasing an impressive collection of vehicles. Adventure seekers can explore McCullom Lake, where picturesque views and outdoor activities abound, making it an ideal destination for nature lovers and couples alike.
  • Mundelein: Mundelein is located 8 miles away from Round Lake and offers a delightful mix of family-friendly activities and outdoor fun. This vibrant city features shopping centers and educational venues, making it a great stop for visitors. Thrill-seekers can head to Six Flags Great America, a nearby theme park that caters to all ages. Additionally, the Lake County Fairgrounds hosts various events and outdoor activities, ensuring that there’s something for everyone to enjoy throughout the year.
  • Libertyville: Libertyville is located 10 miles drive away from Round Lake and is a perfect blend of city life and outdoor adventure. This lively city is home to shopping centers and educational institutions, adding to its appeal. Families will love visiting Six Flags Great America, while MainStreet Libertyville offers a charming atmosphere with shops and eateries. The Lake County Fairgrounds also provides a venue for numerous family-friendly events and activities, making Libertyville an excellent choice for visitors seeking diverse experiences.

Tips for short-haul flights to Round Lake

For quick getaways, efficiency is key. Here is how to make your short-haul journey smoother:

  • Pack light and skip checked bags—when flying with budget airlines, it's often more economical to travel with just a carry-on. Maximize space by using mini toiletries, wearing your heaviest clothing, and planning your outfits wisely. This strategy also allows you to bypass the wait at baggage claim upon arrival.
  • Bring your own entertainment—many short-haul flights might lack in-flight entertainment options. Download your favorite TV shows, movies, music, or podcasts ahead of time, and consider bringing a book to keep yourself occupied. Remember to fully charge your devices before you board.
  • Arrive at the airport in plenty of time—even for short or domestic flights, it's advisable to arrive at least 1.5 to 2 hours before your scheduled departure, allowing for potential traffic and security lines.
  • Bring your own snacks and water—pack some snacks and a refillable water bottle to stay hydrated and save money while at the airport.

Tips for long-haul flights to Round Lake

Flying long-haul sometimes requires extra planning to ensure a comfortable journey:

  • Select your seat in advance—for longer flights, choosing your seat is essential for comfort. Full-service airlines often provide complimentary seat selection once online check-in begins, typically 24–48 hours before your flight. Some airlines may allow you to select your seat even earlier.
  • Arrive at the airport in plenty of time—ensure you arrive at the airport at least 3 hours prior to departure for international flights to accommodate check-in, security, and immigration procedures.
  • Relax at the airport—if you have some extra time, take the opportunity to explore the shops, grab a coffee, or unwind at the gate or in a departure lounge if you have access. Most airports offer free and accessible Wi-Fi.
  • Adjust to the new time zone mid-flight—begin acclimating your body clock by changing your watch and sleep schedule to align with your destination's time zone. Aim to sleep or stay awake during the flight according to the local time at your arrival destination to help minimize jet lag.

Frequently asked questions

What month is the cheapest to fly to Round Lake?
The cheapest month to fly to Round Lake is September when there's less demand. Off-peak months are typically when you'll find cheap flights. To keep costs down, avoid flying during school breaks and public holidays.
Which US cities have the cheapest flights to Round Lake?
New York, Washington and Dallas generally have cheap flights to Round Lake. Bear in mind that prices vary based on factors such as time of year, demand and number of stopovers.
Which US cities fly direct to Round Lake?
You can fly to Round Lake directly from 150 US destinations. To find a nonstop journey, use the "Direct flights only" filter when organizing your flights to Round Lake on Expedia. Then, explore the options and find the best departure from one of these cities:
  • New York
  • Washington
  • Dallas
  • Boston
  • Phoenix
How to find a cheap flight to Round Lake?
Jetting off in the low season and booking ahead of time are two great ways to snag cheap flights to Round Lake. Or, consider flying on a Thursday, which, on average, is 16% cheaper than leaving on a Sunday.* Want to be the first to know when fares fall? Set up price tracking on the Expedia app for real-time updates.*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 Round Lake?
It's possible to get great deals on last-minute flights to Round Lake, especially if your travel plans aren't set in stone. Think about jetting out of a different hub, tweaking your trip dates or choosing an alternative airline to get a cheap flight to Round Lake.
How far in advance should I book a flight to Round Lake?
Find the departure dates you want and a fare that fits your budget by booking your domestic flight to Round Lake up to 28 days in advance. Lock in tickets between two and four months ahead if you're visiting Round Lake from an international destination.**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 Round Lake?
You can generally get cheap flights to Round Lake on a Sunday. You'll save about 8% on average compared to those who book on a Friday, which is often the most expensive day to purchase tickets.**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 Round Lake?
A total of 44 airlines connect 216 airports all over the world to Round Lake. Here are some of the top airlines to Round Lake, where O'Hare Intl. Airport (ORD) is the major gateway:
  • United Airlines
  • American Airlines
  • Delta Air Lines
  • Alaska Airlines
Where do you fly into Round Lake?
If you're flying to Round Lake, the main airport to land at is O'Hare Intl. Airport (ORD). You can also jet into nearby hubs like General Mitchell Intl. Airport (MKE), Midway Intl. Airport (MDW) or Lewis University Airport (LOT). Another possibility worth considering when you fly to Round Lake is Waukegan Regional Airport (UGN).
How far is the airport from central Round Lake?
You'll be approximately 30 mi south of central Round Lake after touching down at O'Hare Intl. Airport (ORD).
Can I save money by booking a Round Lake trip package?
Book a Round Lake flight and hotel package deal on Expedia, and you can enjoy significant savings. It's easy to bundle your accommodations and flights, and you can even add car rentals and activities to create your own personalized Round Lake break. Plus, nothing beats the convenience of booking everything in the same place.
Can I change or cancel my flight to Round Lake?
You can often change or cancel your flight to Round Lake within 24 hours of booking. However, be mindful that some fares are non-refundable. In those cases, you may receive a credit toward a future trip rather than a direct refund. It's important to check the airline's rules and restrictions in your itinerary for exact details. You can use Expedia's "No cancel fee" or "Changes included" filters when you search to secure cheap flights to Round Lake with flexible change policies. For additional information, browse our Customer Service Portal.

*Flight schedules are subject to change.

*Available to One Key members.

Book with confidence

Tips to find the cheapest flights to Round Lake

The cheapest day to fly

Get started finding a cheap flight to Round Lake 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

September is the cheapest month to fly to Round Lake. 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 Round Lake. 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 Round Lake, 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 Round Lake

The lowest price for round-trip flights to Round Lake in 2026 starts from from $104, while one-way tickets start from from $56. 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 Round Lake. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to Round Lake

Frontier Airlines, American Airlines, Delta, United, JetBlue Airways are just some of the airlines that can typically offer cheap tickets to Round Lake. 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 Round Lake and countless more destinations worldwide.

The most affordable airports to fly into

To view the cheapest airports to fly into for Round Lake, 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 Round Lake. 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, you could save hundreds of dollars by booking your Round Lake 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 Round Lake

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 Round Lake.

Stopover savings

The cheapest tickets to Round Lake are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Round Lake. 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 Round Lake 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 Round Lake. Simply download the free Expedia app to your smart device and activate Round Lake 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 Round Lake. 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.

Tips to find the cheapest flights to Round Lake

Travel information

Destination airport
O'Hare Intl.
Destination airport IATA code
ORD
Destination city name
Chicago
Roundtrip price
$104

Trending flights to Round Lake

Prices were available within the past 7 days and start at $56 for one-way flights and $104 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines

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