$30 Cheap Flights to Ottawa, IL

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Tips to find the cheapest flights to Ottawa

The cheapest day to fly

Get started finding a cheap flight to Ottawa 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 Ottawa. 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 Ottawa. 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 Ottawa, 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 Ottawa

The lowest price for round-trip flights to Ottawa in 2026 starts from $64, while one-way tickets start from from $30. 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 Ottawa. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to Ottawa

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

The most affordable airports to fly into

To view the cheapest airports to fly into for Ottawa, 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 Ottawa. 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 Ottawa 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 Ottawa

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 Ottawa.

Stopover savings

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

The cheapest month to fly to Ottawa is December when demand is low. Off-peak months are usually when you'll find cheap flights. To keep costs down, steer clear of flying during school breaks and public holidays.

Which US cities have the cheapest flights to Ottawa?

Score cheap flights to Ottawa from New York, Washington and Dallas. These cities usually offer the lowest fares to this unique destination. But remember that demand, seasonality and stopovers will also have an influence on rates, so remain flexible and book when prices are right.

Which US cities fly direct to Ottawa?

There are 150 US cities where you can fly to Ottawa nonstop from. Compare your options by using the "Direct flights only" filter on Expedia and choose the ideal departure point for your trip. Here are a handful of the major cities to jet off from:

• New York
• Washington
• Dallas
• Boston
• Phoenix

How to find a cheap flight to Ottawa?

Book in advance or look for a cheap flight to Ottawa during the off-season, such as December and January. Jetting off on a Thursday could also save you 16% on average compared to a Sunday flight.* The Expedia app makes it even easier to know when to book. Just activate the toggle for "Watch prices" and you'll receive a notification as soon as fares go down.

*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 Ottawa?

Staying flexible with your plans can help you to find last-minute offers on cheap flights to Ottawa. To view all the available options, consider looking at different ticket types, changing your Ottawa trip dates, jetting out of an alternative airport or using another carrier.

How far in advance should I book a flight to Ottawa?

Secure the travel dates you want and a price that suits your budget by booking your domestic flight to Ottawa up to 28 days in advance. Lock in tickets between two and four months ahead if you're jetting to Ottawa 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 Ottawa?

You can generally find cheap flights to Ottawa on Sundays. You can save around 8% on average compared to those who book on a Friday, which is typically the most expensive day to buy 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 Ottawa?

A couple of the popular airlines to Ottawa are American Airlines and Delta Air Lines. Altogether, 3 carriers link Ottawa with 4 airports throughout the world. Central Illinois Regional Airport (BMI) is the primary gateway to this exciting destination.

Where do you fly into Ottawa?

If you're flying to Ottawa, the main airport to arrive at is Lewis University Airport (LOT). You can also head to nearby hubs like Central Illinois Regional Airport (BMI), Rockford, IL (RFD-Greater Rockford) or Peru, IL (VYS-Illinois Valley Regional). Another possibility worth considering when you fly to Ottawa is Aurora, IL (AUZ-Aurora Municipal).

How far is the airport from central Ottawa?

Touching down at Lewis University Airport (LOT) puts you about 45 mi northeast of the center of Ottawa.

Can I save money by booking an Ottawa trip package?

You could potentially save hundreds of dollars if you secure an Ottawa flight and hotel package deal on Expedia. And you'll save yourself hassle by having all your travel arrangements in the same place. Try bundling your hotel and flight with extras such as tours and activities for your own customized Ottawa escape.

Can I change or cancel my flight to Ottawa?

If you booked your flight to Ottawa in the last 24 hours, you can often change or cancel it for free. After that, extra charges may apply depending on the airline's terms and conditions. To learn more, check out our Customer Service Portal. Keep in mind that some flights are non-refundable, so you may be offered a credit for future flights instead of a direct refund. When browsing on Expedia, select the "No cancel fee" or "Changes included" filters to find fares with flexible change policies.