Cheap flights from Chicago to Ontario from C$ 106
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Ontario departing on 29/5. 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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American Airlines flights from Chicago to Region of Ontario
Our best American Airlines deals on Chicago to Region of Ontario flight tickets
Delta flights from Chicago to Region of Ontario
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How to get the cheapest flight ticket from Chicago 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?
In general, July is the cheapest month to fly from Chicago to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 388. If you are unable to visit Region of Ontario during the month of July, then departing from Chicago during the month August is also very affordable. Most momondo users find prices during this month for around C$ 391.
What is the cheapest day to depart on your flight to Region of Ontario?
The cheapest day to depart from Chicago to Region of Ontario is on a Tuesday. Travellers who choose to depart for Region of Ontario on a Tuesday will often find tickets for as low as C$ 429. The most expensive day to fly to Region of Ontario is Sunday, with ticket prices averaging around C$ 544.
What is the cheapest time of day to depart on your flight to Region of Ontario?
Our most recent data shows that the best time of day to fly to Region of Ontario is in the afternoon. Flights from Chicago to Region of Ontario during this time can be as low as C$ 469. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are C$ 494 on average. Flights to Region of Ontario from Chicago in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.
What is the cheapest Chicago to Ontario flight route?
Fly from Chicago Midway to Toronto Island for the best Chicago - 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 Chicago when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around C$ 444 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 Chicago for as low as C$ 257 on momondo.
What cabin class options are available on Chicago to Ontario flights?
There are 3 cabin classes available to choose from on Chicago 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 Chicago to Ontario?
Porter Airlines, Air Canada, and APG Airlines are the most popular carriers operating from Chicago to Ontario
Which airlines fly to Region of Ontario?
Air Canada, United Airlines and Porter Airlines are the top three most popular airlines that fly to Region of Ontario from Chicago according to our data. Air Canada is the first choice among our users, with 57% of people opting to fly with this airline when travelling to Region of Ontario. Keep in mind that there are 3 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 Chicago to Region of Ontario on average per day?
82 flights are operational daily from Chicago to Region of Ontario as of May 2025. The most popular departure time for this route is 6:00p.m., with 40% of flights per day taking off at noon.
How many flights depart from Chicago to Region of Ontario on average per week?
The number of flights available between Chicago and Region of Ontario is 579 per week as of May 2025. The most frequent departure day is Thu, with 17% of weekly flights leaving on this day.
Cheap Chicago to Region of Ontario flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago to Region of Ontario
Best price found | C$ 106 |
|---|---|
Fastest flight time | 1h 35m |
Direct flights | Every day |
Airports in Region of Ontario | 2 airports |
When did momondo last update prices for flights from Chicago to Ontario?
Prices for flights from Chicago to Ontario refresh daily.
How many operators does momondo search for flights from Chicago to Ontario?
The number of operators available for flights from Chicago to Ontario is 3 as of May 2025.
How old do you have to be to fly from Chicago to Ontario?
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 Chicago to Ontario.
What documentation or ID do you need to fly to Ontario?
The necessary travel and health documents for your Ontario 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 Chicago to Region of Ontario?
momondo data reveals that the most frequently booked plane model on the route from Chicago to Region of Ontario is Embraer 175 (Enhanced Winglets), representing 15.73% of all bookings. The subsequent popular models are De Havilland (Bombardier) DHC-8-400 Dash 8Q at 14.63%, Embraer 170 at 7.51%, and Boeing 787-10 Dreamliner at 7.45%.
Best airlines flying from Chicago to Region of Ontario
Compare and see reviews for airlines that fly from Chicago to Region of Ontario with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 182 | Free Cancellation | Rating 7.0 9,252 reviews | |||
| PriceFrom C$ 201 | Free Cancellation | Rating 7.4 8,696 reviews | |||
| PriceFrom C$ 339 | Free Cancellation | Rating 8.0 285 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Chicago to Ontario?
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 Chicago to Ontario for you.
Can I find flights from Chicago to Ontario with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Chicago to Ontario flights to just show those with flexible booking policies.
How can momondo help me find flights from Chicago to Ontario?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Chicago.
I’m not ready to book a flight from Chicago to Ontario right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Chicago 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.