Cheap flights from Ontario to Chicago from C$ 142
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Chicago departing on 9/6. 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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Air Canada flights from Region of Ontario to Chicago
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How to get the cheapest flight ticket from Region of Ontario to Chicago
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 Chicago?
The month of March is another great option to travel to Chicago, with average flight prices from Region of Ontario averaging around C$ 350.
What is the cheapest day to depart on your flight to Chicago?
The cheapest day to depart on your flight to Chicago is on a Friday when prices can be found for as low as C$ 742. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around C$ 1,384. These prices are subject to change though, so be sure to set up a Price Alert for flights to Chicago.
What is the cheapest time of day to depart on your flight to Chicago?
In the evening is the cheapest time of day to fly from Region of Ontario to Chicago when you can find flight prices for as low as C$ 552. Flying to Chicago in the evening is an ideal time because this is during off-peak travel hours. In the afternoon is when there is more demand to fly to Chicago, so prices are often more expensive at around C$ 1,564 per ticket.
What is the cheapest Ontario to Chicago flight route?
Fly from Toronto Island to Chicago Midway for the best Ontario - Chicago flight prices
How far in advance should I book a flight to Chicago?
You are more likely to see cheaper flights to Chicago from Region of Ontario when booking 12 weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around C$ 421 when searching 12 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Region of Ontario for as low as C$ 367 on momondo.
What cabin class options are available on Ontario to Chicago flights?
There are 4 cabin classes available to choose from on Ontario to Chicago 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 Ontario to Chicago?
Porter Airlines, Air Canada, and United Airlines are the most popular carriers operating from Ontario to Chicago
Which airlines fly to Chicago?
Air Canada, United Airlines and Porter Airlines are the top three most popular airlines that fly to Chicago from Region of Ontario according to our data. Air Canada is the first choice among our users, with 65% of people opting to fly with this airline when travelling to Chicago. Keep in mind that there are 5 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.
How many flights depart from Region of Ontario to Chicago on average per day?
90 flights are operational daily from Region of Ontario to Chicago as of April 2025. The most popular departure time for this route is 6:00a.m., with 44% of flights per day taking off at noon.
How many flights depart from Region of Ontario to Chicago on average per week?
634 flights are operational weekly from Region of Ontario to Chicago as of April 2025. The most popular departure day for this route is Thu, with 16% of flights per week taking off on this day.
Cheap Region of Ontario to Chicago flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Chicago
When did momondo last update prices for flights from Ontario to Chicago?
Prices for flights from Ontario to Chicago were last updated today.
How many operators does momondo search for flights from Ontario to Chicago?
There are 5 operators available for flights from Ontario to Chicago as of April 2025.
How old do you have to be to fly from Ontario to Chicago?
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 Ontario to Chicago.
What documentation or ID do you need to fly to Chicago?
The required travel and health documents for your Chicago 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 Chicago. 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 Region of Ontario to Chicago?
Based on momondo bookings for flights between Region of Ontario and Chicago, the leading plane model is De Havilland (Bombardier) DHC-8-400 Dash 8Q, making up 15.55% of the total bookings. Other popular models include Embraer 175 (Enhanced Winglets) with 12.21%, Embraer 195 E2 with 9.34%, and Boeing 737 MAX 8 with 9.24%.
Best airlines flying from Region of Ontario to Chicago
Compare and see reviews for airlines that fly from Region of Ontario to Chicago with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 261 | Free Cancellation | Rating 8.0 281 reviews | |||
| PriceFrom C$ 303 | Free Cancellation | Rating 7.0 9,142 reviews | |||
| PriceFrom C$ 320 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom C$ 332 | Free Cancellation | Rating 7.4 8,667 reviews | |||
| PriceFrom C$ 431 | Free Cancellation | Rating 7.2 2,809 reviews |
Travelling to a place near Chicago?
Book flights to Chicago if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Ontario to Chicago?
Finding the right flight to Chicago from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chicago quick and easy, saving you time and money.
Can I find flights from Ontario to Chicago with flexible booking policies on momondo?
Flights from Ontario to Chicago with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Ontario to Chicago?
Once all potential Ontario to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Ontario to Chicago right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Chicago, momondo offers a useful price alert feature which will track prices for flights to Chicago from Ontario and alert you when they change.