Cheap flights from Toronto to Illinois from $99
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Toronto to Illinois departing on 9/8. 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 Toronto to Illinois
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 Illinois?
The cheapest month to fly to Illinois from Toronto is in April. Flight prices, which tend to average around $235, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of April, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $244.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from Toronto to Illinois is on a Friday when prices can be found for as low as $432. Flights from Toronto to Illinois on a Monday will generally be more expensive and average around $722. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Illinois?
Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from Toronto to Illinois during this time can be as low as $368. Flights in the afternoon are often more expensive with an average ticket price of $608.
What is the cheapest Toronto to Illinois flight route?
Fly from Toronto Island to Chicago Midway for the best Toronto - Illinois flight prices
How far in advance should I book a flight to Illinois?
You are more likely to see cheaper flights to Illinois from Toronto when booking 12 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $296 when searching 12 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Toronto for as low as $247 on momondo.
What cabin class options are available on Toronto to Illinois flights?
There are 4 cabin classes available to choose from on Toronto to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Toronto to Illinois?
Air Canada, Porter Airlines, and American Airlines are the most popular carriers operating from Toronto to Illinois
What airlines fly to Illinois?
Air Canada, American Airlines and United Airlines are the top three most popular airlines that fly to Illinois from Toronto according to our data. Air Canada is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 4 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.
How many flights depart from Toronto to Illinois on average per day?
59 flights are operational daily from Toronto to Illinois as of June 2025. The most popular departure time for this route is 1:00PM, with 46% of flights per day taking off in the afternoon.
How many flights depart from Toronto to Illinois on average per week?
As of June 2025, there are 415 flights per week flying from Toronto to Illinois. The most common day of the week flights depart is Thu, with 16% of flights taking off on this day.
Cheap Toronto to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Toronto to Illinois
When did momondo last update prices for flights from Toronto to Illinois?
Prices for flights from Toronto to Illinois are refreshed on a daily basis.
How many operators does momondo search for flights from Toronto to Illinois?
As of June 2025, there are 4 operators available to choose from for flights from Toronto to Illinois.
How old do you have to be to fly from Toronto to Illinois?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Toronto to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Toronto to Illinois?
momondo data reveals that the most frequently booked plane model on the route from Toronto to Illinois is De Havilland (Bombardier) DHC-8-400 Dash 8Q, representing 20.36% of all bookings. The subsequent popular models are Embraer 175 (Enhanced Winglets) at 15.02%, Boeing 737-800 at 12.23%, and Airbus A220-300 at 9.13%.
Best airlines flying from Toronto to Illinois
Compare and see reviews for airlines that fly from Toronto to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $162 | Free Cancellation | Rating 7.1 9,537 reviews | |||
| PriceFrom $165 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $169 | Free Cancellation | Rating 8.0 288 reviews | |||
| PriceFrom $218 | Free Cancellation | Rating 7.2 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Toronto to Illinois?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Toronto to Illinois. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Toronto to Illinois with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Toronto to Illinois flights to just show those with flexible booking policies.
How can momondo help me find flights from Toronto to Illinois?
momondo provides multiple filters to help you find the best flight to Illinois from Toronto. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Toronto to Illinois right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Toronto to Illinois flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.