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Not ready to book? to track prices.Find the cheapest flights from Illinois to Ontario
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Delta flights from Illinois to Region of Ontario
Our best Delta deals on Illinois to Region of Ontario flight tickets
American Airlines flights from Illinois to Region of Ontario
Our best American Airlines deals on Illinois to Region of Ontario flight tickets
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How to get the cheapest flight ticket from Illinois to Region of Ontario
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 Region of Ontario?
The month of July is, on average, the cheapest month to fly to Region of Ontario from Illinois, with most prices found around $281. If you aren’t able to travel during the month of July, then book flights to Region of Ontario from Illinois during August instead. Flights to Region of Ontario in August, while not as cheap as those in July, still average around $282.
What is the cheapest day to depart on your flight to Region of Ontario?
According to our data, Friday is the cheapest day to fly to Region of Ontario from Illinois. The lowest ticket price found for a Friday departure recently was $623. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Illinois to Region of Ontario on a Sunday will generally be more expensive and average around $772. 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 Region of Ontario?
According to our data, the cheapest time of day to fly to Region of Ontario is in the morning. momondo users have found flights departing from Illinois to Region of Ontario in the morning for as low as $569. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $762.
What is the cheapest Illinois to Ontario flight route?
Fly from Chicago Midway to Toronto Island for the best Illinois - Ontario flight prices
How far in advance should I book a flight to Region of Ontario?
You are more likely to see cheaper flights to Region of Ontario from Illinois when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around $322 when searching 23 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from Illinois for as low as $186 on momondo.
What cabin class options are available on Illinois to Ontario flights?
There are 4 cabin classes available to choose from on Illinois to Ontario 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 Illinois to Ontario?
Air Canada, Porter Airlines, and United Airlines are the most popular carriers operating from Illinois to Ontario
What airlines fly to Region of Ontario?
Air Canada, United Airlines and American Airlines are the top three most popular airlines that fly to Region of Ontario from Illinois according to our data. Air Canada is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 4 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.
How many flights depart from Illinois to Region of Ontario on average per day?
As of April 2025, there are 90 flights per day flying from Illinois to Region of Ontario. The most common time of day flights depart is 6:00PM, with 38% of flights taking off at noon.
How many flights depart from Illinois to Region of Ontario on average per week?
As of April 2025, there are 631 flights per week flying from Illinois to Region of Ontario. The most common day of the week flights depart is Wed, with 16% of flights taking off on this day.
Cheap Illinois to Region of Ontario flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to Region of Ontario
Best Price Found | $54 |
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Fastest flight time | 1h 35m |
Direct flights | Every day |
Airports in Region of Ontario | 3 airports |
When did momondo last update prices for flights from Illinois to Ontario?
Prices for flights from Illinois to Ontario were last updated today.
How many operators does momondo search for flights from Illinois to Ontario?
As of April 2025, there are 6 operators available to choose from for flights from Illinois to Ontario.
How old do you have to be to fly from Illinois to Ontario?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Ontario.
What documentation or ID do you need to fly to Ontario?
The required travel and health documents for your Ontario trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Illinois to Region of Ontario?
momondo data reveals that the most frequently booked plane model on the route from Illinois to Region of Ontario is Embraer 175 (Enhanced Winglets), representing 13.14% of all bookings. The subsequent popular models are De Havilland (Bombardier) DHC-8-400 Dash 8Q at 12.07%, Boeing 777-300ER at 10.74%, and Boeing 787-10 Dreamliner at 9.56%.
Best airlines flying from Illinois to Region of Ontario
Compare and see reviews for airlines that fly from Illinois to Region of Ontario with momondo
Airline | Rating | Free Cancellation | Price | ||
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PriceFrom $120 | Free Cancellation | Rating 7.0 9,198 reviews | |||
PriceFrom $122 | Free Cancellation | Rating 8.0 285 reviews | |||
PriceFrom $125 | Free Cancellation | Rating 7.2 10,000 reviews | |||
PriceFrom $174 | Free Cancellation | Rating 7.4 8,685 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Illinois to Ontario?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ontario from Illinois.
Can I find flights from Illinois to Ontario with flexible booking policies on momondo?
Yes. All flights to Ontario 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 Ontario?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Illinois to Ontario.
I’m not ready to book a flight from Illinois to Ontario right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Illinois to Ontario 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.