How many flights depart from Chicago to Region of Ontario on average per week?

521 flights are operational weekly from Chicago to Region of Ontario as of April 2025. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.

How many flights depart from Chicago to Region of Ontario on average per day?

As of April 2025, 74 flights take off from Chicago and land in Region of Ontario each day. The most common flight departure time for this route is 6:00PM, with 35% of daily flights taking off at noon.

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 Chicago according to our data. Air Canada is the first choice among our users, with 42% 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.

What is the cheapest airline that flies from Chicago to Ontario?

Air Canada, Porter Airlines, and American Airlines are the most popular carriers operating from Chicago to Ontario

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?

There are 4 operators available for flights from Chicago to Ontario as of April 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.

$74 Cheap Flights from Chicago to Ontario in 2025

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Find the cheapest flights from Chicago to Ontario

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Chicago to Ontario.

5:35 pm - 8:17 pmMDW-YTZ

1h 42mnonstop

9:30 am - 10:20 amYTZ-MDW

1h 50mnonstop

$190Porter Airlines

Find Deal

Wed, Apr 23 - Tue, Apr 29

9:40 am - 12:22 pmMDW-YTZ

1h 42mnonstop

7:55 am - 8:45 amYTZ-MDW

1h 50mnonstop

$191Porter Airlines

Find Deal

Tue, May 13 - Tue, May 20

3:35 pm - 9:35 pmORD-YTZ

5h 00m1 stop

3:25 pm - 8:20 pmYTZ-ORD

5h 55m1 stop

$206Air Canada

Find Deal

Thu, May 29 - Mon, Jun 2

3:35 pm - 9:35 pmORD-YTZ

5h 00m1 stop

8:25 am - 2:47 pmYTZ-ORD

7h 22m1 stop

$207Air Canada

Find Deal

Wed, May 28 - Fri, May 30

9:40 am - 12:22 pmMDW-YTZ

1h 42mnonstop

7:55 am - 8:45 amYTZ-MDW

1h 50mnonstop

$213

Find Deal

Fri, May 23 - Wed, May 28

9:40 am - 12:22 pmMDW-YTZ

1h 42mnonstop

4:05 pm - 4:54 pmYTZ-MDW

1h 49mnonstop

$215

Find Deal

Fri, May 23 - Sun, May 25

9:31 pm - 12:01 pmORD-YYZ

13h 30m1 stop

2:20 pm - 3:14 pmYYZ-ORD

1h 54mnonstop

$269United Airlines

Find Deal

Sat, Aug 9 - Sun, Aug 10

8:30 pm - 9:50 amORD-YUL

12h 20m1 stop

12:30 pm - 2:05 pmYUL-ORD

2h 35mnonstop

$270American Airlines

Find Deal

Tue, Apr 22 - Wed, Apr 23

8:45 am - 5:09 pmORD-YYZ

7h 24m1 stop

7:00 am - 8:03 amYYZ-ORD

2h 03mnonstop

$292United Airlines

Find Deal

Thu, Apr 24 - Sat, Apr 26

8:27 am - 2:55 pmORD-YYZ

5h 28m1 stop

6:30 am - 7:25 amYYZ-ORD

1h 55mnonstop

$319American Airlines

Find Deal

Thu, Apr 24 - Sun, Apr 27

Delta flights from Chicago to Region of Ontario

Our best Delta deals on Chicago to Region of Ontario flight tickets

Delta

May 8

ORD1:45 pmChicago O'Hare Intl

8h 13m

1 stop

YYZ10:58 pmToronto Pearson Intl

May 12

YYZ3:50 pmToronto Pearson Intl

3h 47m

1 stop

ORD6:37 pmChicago O'Hare Intl

$268

Find similar

Delta

Apr 28

MDW6:04 amChicago Midway

9h 38m

1 stop

YUL4:42 pmMontreal Pierre Elliott Trudeau Intl

Apr 30

YUL7:00 amMontreal Pierre Elliott Trudeau Intl

10h 12m

1 stop

MDW4:12 pmChicago Midway

$297

Find similar

Delta

May 16

ORD7:10 amChicago O'Hare Intl

6h 50m

1 stop

YYZ3:00 pmToronto Pearson Intl

May 18

YYZ6:30 amToronto Pearson Intl

4h 21m

1 stop

ORD9:51 amChicago O'Hare Intl

$307

Find similar

United Airlines flights from Chicago to Region of Ontario

Our best United Airlines deals on Chicago to Region of Ontario flight tickets

United Airlines

Aug 9

ORD9:31 pmChicago O'Hare Intl

13h 30m

1 stop

YYZ12:01 pmToronto Pearson Intl

Aug 10

YYZ2:20 pmToronto Pearson Intl

1h 54m

ORD3:14 pmChicago O'Hare Intl

$269

Find similar

United Airlines

Apr 24

ORD8:45 amChicago O'Hare Intl

7h 24m

1 stop

YYZ5:09 pmToronto Pearson Intl

Apr 26

YYZ7:00 amToronto Pearson Intl

2h 03m

ORD8:03 amChicago O'Hare Intl

$292

Find similar

United Airlines

Apr 25

ORD8:25 pmChicago O'Hare Intl

1h 42m

YYZ11:07 pmToronto Pearson Intl

Apr 28

YYZ7:20 amToronto Pearson Intl

10h 24m

1 stop

ORD4:44 pmChicago O'Hare Intl

$297

Find similar

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?

The month of April is, on average, the cheapest month to fly to Region of Ontario from Chicago, with most prices found around $271. If you aren’t able to travel during the month of April, then book flights to Region of Ontario from Chicago during September instead. Flights to Region of Ontario in September, while not as cheap as those in April, still average around $284.

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 Chicago. 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 Chicago 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 Chicago 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 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 15 weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around $321 when searching 15 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 $241 on momondo.

What cabin class options are available on Chicago to Ontario flights?

There are 4 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.

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	$74
Fastest flight time	1h 35m
Direct flights	Every day
Airports in Region of Ontario	3 airports

The best one-way flight to Region of Ontario from Chicago in the past 72 hours is $74. The best round-trip flight deal from Chicago to Region of Ontario found on momondo in the last 72 hours is $190.

The fastest flight from Chicago to Region of Ontario takes 1h 35m

Direct flights go from Chicago to Region of Ontario every day.

There are 3 airports near Region of Ontario: Montreal Pierre Elliott Trudeau Intl (YUL), Toronto Pearson Intl (YYZ), Toronto Island (YTZ)

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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?
There are 4 operators available for flights from Chicago to Ontario as of April 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?
Based on momondo bookings for flights between Chicago and Region of Ontario, the leading plane model is Embraer 175 (Enhanced Winglets), making up 13.14% of the total bookings. Other popular models include De Havilland (Bombardier) DHC-8-400 Dash 8Q with 12.07%, Boeing 777-300ER with 10.74%, and Boeing 787-10 Dreamliner with 9.56%.

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
Porter Airlines	PriceFrom $122	Free Cancellation	Rating 7.9 278 reviews	Search Porter Airlines flights
Air Canada	PriceFrom $122	Free Cancellation	Rating 7.0 9,022 reviews	Search Air Canada flights
American Airlines	PriceFrom $122	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $156	Free Cancellation	Rating 7.4 8,615 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Ontario?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Ontario. Millions of users trust and use momondo every year so you are in good hands.

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?

momondo helps you find the best flight between Chicago and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Chicago to Ontario right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Chicago to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.