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

653 flights are operational weekly from Chicago to Region of Ontario as of April 2026. The most popular departure day for this route is Sun, with 16% 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 2026, 93 flights take off from Chicago and land in Region of Ontario each day. The most common flight departure time for this route is 2:00PM, with 43% of daily flights taking off at noon.

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

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

What airlines fly to Region of Ontario?

United Airlines, Air Canada and American Airlines are the top three most popular airlines that fly to Region of Ontario from Chicago according to our data. United Airlines 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 7 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

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 7 operators available for flights from Chicago to Ontario as of April 2026.

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.

$91 Cheap Flights from Chicago to Ontario in 2026

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Find the cheapest flights from Chicago to Ontario

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

10:25 am - 1:05 pm

MDW

YTZ

1h 40mnonstop

8:50 am - 9:40 am

YTZ

MDW

1h 50mnonstop

$213Porter Airlines

Wed, Jul 15 - Mon, Jul 20

3:20 pm - 6:00 pm

MDW

YTZ

1h 40mnonstop

8:55 am - 9:45 am

YTZ

MDW

1h 50mnonstop

$215Multiple Airlines

Fri, May 15 - Tue, May 19

10:30 am - 1:10 pm

MDW

YTZ

1h 40mnonstop

1:45 pm - 2:35 pm

YTZ

MDW

1h 50mnonstop

$216Porter Airlines

Sun, May 24 - Fri, May 29

6:30 am - 2:19 pm

ORD

YYZ

6h 49m

1 stop

5:15 pm - 6:19 pm

YYZ

ORD

2h 04mnonstop

$220United Airlines

Wed, May 27 - Wed, May 27

2:00 pm - 4:41 pm

ORD

YTZ

1h 41mnonstop

12:15 pm - 1:10 pm

YTZ

ORD

1h 55mnonstop

$222Air Canada

Thu, Jul 9 - Tue, Jul 14

9:55 am - 12:35 pm

ORD

YYZ

1h 40mnonstop

12:25 pm - 1:25 pm

YYZ

ORD

2h 00mnonstop

$224Air Canada

Thu, May 7 - Tue, May 12

9:20 pm - 11:59 pm

ORD

YYZ

1h 39mnonstop

2:45 pm - 3:50 pm

YYZ

ORD

2h 05mnonstop

$235United Airlines

Fri, May 29 - Mon, Jun 1

9:22 am - 5:21 pm

MDW

YYZ

6h 59m

1 stop

6:30 am - 1:19 pm

YYZ

MDW

7h 49m

1 stop

$260Delta

Fri, May 29 - Mon, Jun 1

9:22 am - 3:14 pm

MDW

YYZ

4h 52m

1 stop

9:49 am - 12:42 pm

YYZ

MDW

3h 53m

1 stop

$261Delta

Thu, May 7 - Tue, May 12

9:22 am - 3:14 pm

MDW

YYZ

4h 52m

1 stop

12:09 pm - 6:33 pm

YYZ

MDW

7h 24m

1 stop

$267Air France

Thu, May 28 - Sun, May 31

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Delta flights from Chicago to Region of Ontario

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

Delta

May 29

MDW9:22 amChicago Midway

6h 59m

1 stop

YYZ5:21 pmToronto Pearson Intl

May 31

YYZ12:09 pmToronto Pearson Intl

7h 24m

1 stop

MDW6:33 pmChicago Midway

$260

Delta

May 7

ORD9:25 amChicago O'Hare Intl

3h 05m

1 stop

YYZ1:30 pmToronto Pearson Intl

May 12

YYZ6:10 amToronto Pearson Intl

3h 35m

1 stop

ORD8:45 amChicago O'Hare Intl

$261

Delta

Jun 15

ORD1:25 pmChicago O'Hare Intl

8h 37m

1 stop

YYZ11:02 pmToronto Pearson Intl

Jun 26

YYZ12:09 pmToronto Pearson Intl

7h 20m

1 stop

ORD6:29 pmChicago O'Hare Intl

$281

KLM flights from Chicago to Region of Ontario

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

KLM

May 6

ORD9:35 amChicago O'Hare Intl

7h 34m

1 stop

YYZ6:09 pmToronto Pearson Intl

May 9

YYZ2:20 pmToronto Pearson Intl

6h 54m

1 stop

ORD8:14 pmChicago O'Hare Intl

$262

KLM

May 29

MDW9:22 amChicago Midway

6h 59m

1 stop

YYZ5:21 pmToronto Pearson Intl

May 31

YYZ12:09 pmToronto Pearson Intl

7h 24m

1 stop

MDW6:33 pmChicago Midway

$312

KLM

Jun 13

MDW1:16 pmChicago Midway

9h 12m

1 stop

YUL11:28 pmMontreal Pierre Elliott Trudeau Intl

Jun 15

YUL7:00 amMontreal Pierre Elliott Trudeau Intl

7h 09m

1 stop

MDW1:09 pmChicago Midway

$353

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

ChicagoToronto

MDW - YTZ

MDWYTZ

Chicago Midway

Wed 7/15

10:25 am-1:05 pm

Nonstop1h 40m

Toronto Island

Mon 7/20

8:50 am-9:40 am

Nonstop1h 50m

$213

ChicagoToronto

MDW - YTZ

MDWYTZ

Chicago Midway

Fri 5/15

3:20 pm-6:00 pm

Nonstop1h 40m

Toronto Island

Tue 5/19

8:55 am-9:45 am

Nonstop1h 50m

$215

ChicagoToronto

MDW - YTZ

MDWYTZ

Chicago Midway

Sun 5/24

10:30 am-1:10 pm

Nonstop1h 40m

Toronto Island

Fri 5/29

1:45 pm-2:35 pm

Nonstop1h 50m

$216

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Wed 5/27

6:30 am-2:19 pm

1 stop6h 49m

Toronto Pearson Intl

Wed 5/27

5:15 pm-6:19 pm

Nonstop2h 04m

$220

ChicagoToronto

ORD - YTZ

ORDYTZ

Chicago O'Hare Intl

Thu 7/9

2:00 pm-4:41 pm

Nonstop1h 41m

Toronto Island

Tue 7/14

12:15 pm-1:10 pm

Nonstop1h 55m

$222

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Thu 5/7

9:55 am-12:35 pm

Nonstop1h 40m

Toronto Pearson Intl

Tue 5/12

12:25 pm-1:25 pm

Nonstop2h 00m

$224

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Fri 5/29

9:20 pm-11:59 pm

Nonstop1h 39m

Toronto Pearson Intl

Mon 6/1

2:45 pm-3:50 pm

Nonstop2h 05m

$235

ChicagoToronto

MDW - YYZ

MDWYYZ

Chicago Midway

Fri 5/29

9:22 am-5:21 pm

1 stop6h 59m

Toronto Pearson Intl

Mon 6/1

6:30 am-1:19 pm

1 stop7h 49m

$260

ChicagoToronto

MDW - YYZ

MDWYYZ

Chicago Midway

Thu 5/7

9:22 am-3:14 pm

1 stop4h 52m

Toronto Pearson Intl

Tue 5/12

9:49 am-12:42 pm

1 stop3h 53m

$261

ChicagoToronto

MDW - YYZ

MDWYYZ

Chicago Midway

Thu 5/28

9:22 am-3:14 pm

1 stop4h 52m

Toronto Pearson Intl

Sun 5/31

12:09 pm-6:33 pm

1 stop7h 24m

$267

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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

Prices

Airlines

Other information

What is the cheapest month to fly to Region of Ontario?

The month of September is, on average, the cheapest month to fly to Region of Ontario from Chicago, with most prices found around $209. If you aren’t able to travel during the month of September, then book flights to Region of Ontario from Chicago during July instead. Flights to Region of Ontario in July, while not as cheap as those in September, still average around $232.

What is the cheapest day to depart on your flight to Region of Ontario?

According to our data, Thursday is the cheapest day to fly to Region of Ontario from Chicago. The lowest ticket price found for a Thursday departure recently was $427. 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 $717. 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 evening. momondo users have found flights departing from Chicago to Region of Ontario in the evening for as low as $411. 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 $735.

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 from Chicago to Ontario?

You are more likely to see cheaper flights to Region of Ontario from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around $297 when searching 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 $181 on momondo.

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

There are 4 cabin classes available to choose from on Chicago to Region of Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chicago to Region of Ontario flights?

No. A direct flight is the cheapest option for a flight between Chicago to Region of Ontario.

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	$97
Fastest flight time	1h 38m
Direct flights	Every day
Airports in Region of Ontario	123 airports

The best one-way flight to Region of Ontario from Chicago in the past 72 hours is $97. The best round-trip flight deal from Chicago to Region of Ontario found on momondo in the last 72 hours is $210.

The fastest flight from Chicago to Region of Ontario takes 1h 38m

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

There are 123 airports in Region of Ontario. From Chicago there are direct flights to Toronto Pearson Intl (YYZ), Toronto Island (YTZ).

Search flight deals

Frequently asked questions about flying 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 7 operators available for flights from Chicago to Ontario as of April 2026.
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 De Havilland (Bombardier) DHC-8-400 Dash 8Q, making up 15.62% of the total bookings. Other popular models include Embraer 175 (Enhanced Winglets) with 12.51%, Embraer 170 with 9.01%, and Embraer 175 with 8.84%.

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
Delta	PriceFrom $88	Free Cancellation	Rating 7.9 8,462 reviews	Search Delta flights
Air Canada	PriceFrom $96	Free Cancellation	Rating 7.1 10,974 reviews	Search Air Canada flights
United Airlines	PriceFrom $146	Free Cancellation	Rating 7.4 9,665 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $160	Free Cancellation	Rating 7.5 1,027 reviews	Search Qantas Airways flights
WestJet	PriceFrom $170	Free Cancellation	Rating 7.2 3,327 reviews	Search WestJet flights
Porter Airlines	PriceFrom $174	Free Cancellation	Rating 8.0 435 reviews	Search Porter Airlines flights
American Airlines	PriceFrom $213	Free Cancellation	Rating 7.1 11,668 reviews	Search American 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.

An easier way to manage your Region of Ontario trip

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Popular cities in Ontario

Flights to Torontofrom $145

Flights to Vancouverfrom $130

Flights to Montrealfrom $211

Flights to Calgaryfrom $193

Flights to Ottawafrom $216

Flights to Halifaxfrom $213

Flights to Winnipegfrom $256

Flights to Québec Cityfrom $360

Flights to Saskatoonfrom $185

Flights to Kelownafrom $221

Flights to St. John'sfrom $315

Flights to Reginafrom $328

Cheap flights from Chicago to Ontario from $91

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 5/12. 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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Delta flights from Chicago to Region of Ontario

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

KLM flights from Chicago to Region of Ontario

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

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How to get the cheapest flight ticket from Chicago to Region of Ontario

What is the cheapest month to fly to Region of Ontario?

What is the cheapest day to depart on your flight to Region of Ontario?

What is the cheapest time of day to depart on your flight to Region of Ontario?

What is the cheapest Chicago to Ontario flight route?

How far in advance should I book a flight from Chicago to Ontario?

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

Can stopping save me money on Chicago to Region of Ontario flights?

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

What airlines fly to Region of Ontario?

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

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

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

Fastest flight time

Direct flights

Airports in Region of Ontario

Frequently asked questions about flying from Chicago to Ontario

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

Why use momondo?

An easier way to manage your Region of Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Ontario

Popular cities in Ontario

Popular flights according to clicks in the last 7 days on momondo

Chicago flight routes

According to popular flight searches on momondo this year

Region of Ontario flight routes

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