Cheap flights from Illinois to Ottawa from $126
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Ottawa departing on 7/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Illinois to Ottawa
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Ottawa?
In general, May is the cheapest month to fly from Illinois to Ottawa. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $339. The month of January is another great option to travel to Ottawa, with average flight prices from Illinois averaging around $424.
What is the cheapest day to depart on your flight to Ottawa?
The cheapest day to depart from Illinois to Ottawa is on a Thursday. Travelers who choose to depart for Ottawa on a Thursday will often find tickets for as low as $550. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Ottawa on Tuesday is $697.
What is the cheapest time of day to depart on your flight to Ottawa?
In the morning is the cheapest time of day to fly from Illinois to Ottawa when you can find flight prices for as low as $559. Flying to Ottawa in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $750 on average. Flights to Ottawa from Illinois in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Illinois to Ottawa flight route?
Fly from Chicago O'Hare Intl to Ottawa for the best Illinois - Ottawa flight prices
What cabin class options are available on Illinois to Ottawa flights?
There are 4 cabin classes available to choose from on Illinois to Ottawa flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Illinois to Ottawa flights?
No. A direct flight is the cheapest option for a flight between Illinois to Ottawa.
What is the cheapest airline that flies from Illinois to Ottawa?
Porter Airlines, WestJet, and APG Airlines are the most popular carriers operating from Illinois to Ottawa
What airlines fly to Ottawa?
Air Canada, United Airlines and American Airlines are the top three most popular airlines that fly to Ottawa from Illinois according to our data. Air Canada is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Ottawa. Keep in mind that there are 4 different airlines that fly to Ottawa on a routine basis, so you have a few additional options to choose from.
How many flights depart from Illinois to Ottawa on average per day?
13 flights are operational daily from Illinois to Ottawa as of June 2025. The most popular departure time for this route is 6:00PM, with 46% of flights per day taking off in the evening.
How many flights depart from Illinois to Ottawa on average per week?
As of June 2025, there are 91 flights per week flying from Illinois to Ottawa. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.
Cheap Illinois to Ottawa flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to Ottawa
When did momondo last update prices for flights from Illinois to Ottawa Airport?
Prices for flights from Illinois to Ottawa Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Illinois to Ottawa Airport?
As of June 2025, there are 3 operators available to choose from for flights from Illinois to Ottawa Airport.
How old do you have to be to fly from Illinois to Ottawa Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Ottawa Airport.
What documentation or ID do you need to fly to Ottawa Airport?
The necessary travel and health documents for your Ottawa Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Illinois to Ottawa?
Based on momondo bookings for flights between Illinois and Ottawa, the leading plane model is Embraer 175 (Enhanced Winglets), making up 38.02% of the total bookings. Other popular models include Canadair (Bombardier) Regional Jet CRJ-550 with 32.07%, Embraer 170 with 11.90%, and Airbus A330-300 with 2.64%.
Best airlines flying from Illinois to Ottawa
Compare and see reviews for airlines that fly from Illinois to Ottawa with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $231 | Free Cancellation | Rating 7.1 9,563 reviews | |||
| PriceFrom $236 | Free Cancellation | Rating 7.4 8,809 reviews | |||
| PriceFrom $250 | Free Cancellation | Rating 8.0 289 reviews |
Traveling to a place near Ottawa?
Book flights to Ottawa if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Illinois to Ottawa?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Ottawa for you.
Can I find flights from Illinois to Ottawa with flexible booking policies on momondo?
Yes. All flights to Ottawa from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Illinois to Ottawa?
Once you have performed a search for Illinois to Ottawa flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Illinois to Ottawa right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Illinois to Ottawa now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ottawa and let you know when they change.