Cheap flights from Chicago to Ontario from C$ 117
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 11/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Round-trip
1 adult
Economy
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Cheap round-trip flights
These are some of the best round-trip flight deals from Chicago to Ontario that have been recently found on momondo from popular airlines, departing in the coming months.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from Chicago to Ontario.
Cheap last-minute flights
Planning a quick getaway from Chicago to Ontario? These are the last-minute flight deals available now.
Cheap direct flights
If you prefer a non-stop journey, check out our latest direct flight deals to Ontario, so you can enjoy a seamless trip without layovers.
Cheap bus & train deals from Chicago to Ontario
Find recent round-trip train or bus tickets from Chicago to Ontario.
All round-trip flight deals to Ontario
The cheapest plane tickets to Ontario found on KAYAK recently.
American Airlines flights from Chicago to Region of Ontario
Our best American Airlines deals on Chicago to Region of Ontario flight tickets
American Airlines![American Airlines]()
30 Jan![American Airlines]()
2 Feb
ORD8:11 a.m.Chicago O'Hare Intl
1h 40m
YYZ10:51 a.m.Toronto Pearson Intl
YYZ6:15 a.m.Toronto Pearson Intl
2h 15m
ORD7:30 a.m.Chicago O'Hare Intl
American Airlines![American Airlines]()
23 Jan![American Airlines]()
4 Feb
ORD9:49 a.m.Chicago O'Hare Intl
1h 41m
YYZ12:30 p.m.Toronto Pearson Intl
YYZ11:31 a.m.Toronto Pearson Intl
2h 00m
ORD12:31 p.m.Chicago O'Hare Intl
Delta flights from Chicago to Region of Ontario
Our best Delta deals on Chicago to Region of Ontario flight tickets
Delta![Delta]()
30 Jan![Delta]()
2 Feb
MDW2:08 p.m.Chicago Midway
4h 01m
1 stop
YYZ7:09 p.m.Toronto Pearson Intl
YYZ6:00 a.m.Toronto Pearson Intl
8h 08m
1 stop
MDW1:08 p.m.Chicago Midway
Delta![Delta]()
23 Feb![Delta]()
2 Mar
ORD6:45 a.m.Chicago O'Hare Intl
8h 24m
1 stop
YYZ4:09 p.m.Toronto Pearson Intl
YYZ10:10 a.m.Toronto Pearson Intl
7h 03m
1 stop
ORD4:13 p.m.Chicago O'Hare Intl
See travel insights to Ontario from
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
Prices
Airlines
Other information
What is the cheapest month to fly to Region of Ontario?
In general, April 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$ 394. If you are unable to visit Region of Ontario during the month of April, then departing from Chicago during the month July is also very affordable. Most momondo users find prices during this month for around C$ 399.
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$ 409. The most expensive day to fly to Region of Ontario is Sunday, with ticket prices averaging around C$ 512.
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 at noon. Flights from Chicago to Region of Ontario during this time can be as low as C$ 402. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are C$ 512 on average. Flights to Region of Ontario from Chicago in the evening 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 O'Hare Intl to Toronto Pearson Intl for the best Chicago - Ontario flight prices
How far in advance should I book a flight to Region of Ontario?
In general, most travellers find the cheapest time to book a flight to Region of Ontario is about 47 days prior to their departure date, when tickets on average are C$ 441. In the past 72 hours, momondo users found flights from Chicago to Region of Ontario for as low as C$ 296.
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, United Airlines, and Air Canada 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 63% 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?
76 flights are operational daily from Chicago to Region of Ontario as of January 2025. The most popular departure time for this route is 6:00p.m., with 38% of flights per day taking off in the afternoon.
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 533 per week as of January 2025. The most frequent departure day is Fri, with 15% 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$ 117 |
|---|---|
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 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 January 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 De Havilland (Bombardier) DHC-8-400 Dash 8Q, representing 13.89% of all bookings. The subsequent popular models are Boeing 737-800 at 13.79%, Embraer 175 (Enhanced Winglets) at 12.20%, and Embraer 170 at 10.06%.
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$ 189 | Free Cancellation | Rating 7.4 8,942 reviews | |||
| PriceFrom C$ 196 | Free Cancellation | Rating 7.0 8,516 reviews | |||
| PriceFrom C$ 314 | Free Cancellation | Rating 7.9 274 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.
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