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Cheap flights from Chicago to Ontario from $56

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 2/9. 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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0 bags

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Find the cheapest flights from Chicago to Ontario

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
10:00 am - 12:40 pm
ORD
-
YYZ
1h 40mnonstop
Air Canada Logo
12:05 pm - 1:01 pm
YYZ
-
ORD
1h 56mnonstop
$184Air Canada
dom., ene. 25 - dom., feb. 1
Air Canada Logo
8:00 am - 10:40 am
ORD
-
YYZ
1h 40mnonstop
Air Canada Logo
12:05 pm - 1:01 pm
YYZ
-
ORD
1h 56mnonstop
$185Air Canada
jue., ene. 29 - dom., feb. 1
Porter Airlines Logo
11:05 am - 1:47 pm
MDW
-
YTZ
1h 42mnonstop
Porter Airlines Logo
11:05 am - 11:55 am
YTZ
-
MDW
1h 50mnonstop
$186Porter Airlines
jue., feb. 26 - sáb., feb. 28
American Airlines Logo
11:50 am - 3:08 pm
ORD
-
YUL
2h 18mnonstop
American Airlines Logo
3:50 pm - 5:50 pm
YUL
-
ORD
3h 00mnonstop
$187American Airlines
lun., feb. 9 - mié., feb. 11
Multiple Airlines Logo
8:45 pm - 11:20 pm
ORD
-
YYZ
1h 35mnonstop
Multiple Airlines Logo
12:15 pm - 9:03 pm
YYZ
-
ORD
33h 48m3 stops
$187Multiple Airlines
dom., ene. 25 - dom., feb. 1
Porter Airlines Logo
11:00 am - 1:42 pm
MDW
-
YTZ
1h 42mnonstop
Porter Airlines Logo
9:15 am - 10:05 am
YTZ
-
MDW
1h 50mnonstop
$190Porter Airlines
dom., ene. 25 - dom., feb. 1
Multiple Airlines Logo
10:00 am - 12:40 pm
ORD
-
YYZ
1h 40mnonstop
Multiple Airlines Logo
12:15 pm - 7:38 pm
YYZ
-
ORD
32h 23m3 stops
$190Multiple Airlines
dom., ene. 25 - dom., feb. 1
American Airlines Logo
11:51 am - 9:44 pm
ORD
-
YYZ
8h 53m1 stop
American Airlines Logo
11:35 am - 12:30 pm
YYZ
-
ORD
1h 55mnonstop
$195American Airlines
vie., feb. 6 - lun., feb. 9
Delta Logo
9:33 am - 4:12 pm
MDW
-
YYZ
5h 39m1 stop
Delta Logo
6:00 am - 8:52 am
YYZ
-
MDW
3h 52m1 stop
$233Delta
jue., feb. 5 - dom., feb. 8
Delta Logo
6:15 am - 1:40 pm
ORD
-
YUL
6h 25m1 stop
Delta Logo
7:00 am - 4:54 pm
YUL
-
ORD
10h 54m1 stop
$236Delta
sáb., feb. 14 - sáb., feb. 21

Delta flights from Chicago to Region of Ontario

Our best Delta deals on Chicago to Region of Ontario flight tickets
Delta
Feb 5
ORD6:50 amChicago O'Hare Intl
3h 30m
1 stop
YYZ11:20 amToronto Pearson Intl
Feb 9
YYZ12:12 pmToronto Pearson Intl
5h 26m
1 stop
ORD4:38 pmChicago O'Hare Intl
$233
Find similar
Delta
Feb 19
MDW1:26 pmChicago Midway
8h 14m
1 stop
YYZ10:40 pmToronto Pearson Intl
Feb 23
YYZ10:05 amToronto Pearson Intl
8h 32m
1 stop
MDW5:37 pmChicago Midway
$234
Find similar
Delta
Feb 5
ORD6:15 amChicago O'Hare Intl
6h 27m
1 stop
YUL1:42 pmMontreal Pierre Elliott Trudeau Intl
Feb 8
YUL6:00 amMontreal Pierre Elliott Trudeau Intl
4h 41m
1 stop
ORD9:41 amChicago O'Hare Intl
$236
Find similar

Air Canada flights from Chicago to Region of Ontario

Our best Air Canada deals on Chicago to Region of Ontario flight tickets
Air Canada
Jan 25
ORD10:00 amChicago O'Hare Intl
1h 40m
YYZ12:40 pmToronto Pearson Intl
Feb 1
YYZ12:05 pmToronto Pearson Intl
1h 56m
ORD1:01 pmChicago O'Hare Intl
$184
Find similar
Air Canada
Jan 29
ORD8:00 amChicago O'Hare Intl
1h 40m
YYZ10:40 amToronto Pearson Intl
Feb 1
YYZ12:05 pmToronto Pearson Intl
1h 56m
ORD1:01 pmChicago O'Hare Intl
$185
Find similar
Air Canada
Jan 25
ORD10:00 amChicago O'Hare Intl
1h 40m
YYZ12:40 pmToronto Pearson Intl
Feb 1
YYZ12:05 pmToronto Pearson Intl
1h 56m
ORD1:01 pmChicago O'Hare Intl
$188
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Region of Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated diciembre 11, 2025.
Use the filters below to find and compare flights from Chicago to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

dom. 1/25

10:00 am-12:40 pm

Nonstop1h 40m

Toronto Pearson Intl

dom. 2/1

12:05 pm-1:01 pm

Nonstop1h 56m

$184

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

jue. 1/29

8:00 am-10:40 am

Nonstop1h 40m

Toronto Pearson Intl

dom. 2/1

12:05 pm-1:01 pm

Nonstop1h 56m

$185

ChicagoToronto

MDW - YTZ

MDWYTZ

Chicago Midway

jue. 2/26

11:05 am-1:47 pm

Nonstop1h 42m

Toronto Island

sáb. 2/28

11:05 am-11:55 am

Nonstop1h 50m

$186

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

lun. 2/9

11:50 am-3:08 pm

Nonstop2h 18m

Montreal Pierre Elliott Trudeau Intl

mié. 2/11

3:50 pm-5:50 pm

Nonstop3h 00m

$187

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

dom. 1/25

8:45 pm-11:20 pm

Nonstop1h 35m

Toronto Pearson Intl

dom. 2/1

12:15 pm-9:03 pm

3 stops33h 48m

$187

ChicagoToronto

MDW - YTZ

MDWYTZ

Chicago Midway

dom. 1/25

11:00 am-1:42 pm

Nonstop1h 42m

Toronto Island

dom. 2/1

9:15 am-10:05 am

Nonstop1h 50m

$190

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

dom. 1/25

10:00 am-12:40 pm

Nonstop1h 40m

Toronto Pearson Intl

dom. 2/1

12:15 pm-7:38 pm

3 stops32h 23m

$190

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

vie. 2/6

11:51 am-9:44 pm

1 stop8h 53m

Toronto Pearson Intl

lun. 2/9

11:35 am-12:30 pm

Nonstop1h 55m

$195

ChicagoToronto

MDW - YYZ

MDWYYZ

Chicago Midway

jue. 2/5

9:33 am-4:12 pm

1 stop5h 39m

Toronto Pearson Intl

dom. 2/8

6:00 am-8:52 am

1 stop3h 52m

$233

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

sáb. 2/14

6:15 am-1:40 pm

1 stop6h 25m

Montreal Pierre Elliott Trudeau Intl

sáb. 2/21

7:00 am-4:54 pm

1 stop10h 54m

$236

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

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 $234.

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 $572. 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 $761. 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 $756.

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 weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around $300 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 $152 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.

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

$122

Fastest flight time

1h 35m

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 $122. The best round-trip flight deal from Chicago to Region of Ontario found on momondo in the last 72 hours is $241.
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 123 airports in Region of Ontario. From Chicago there are direct flights to Toronto Pearson Intl (YYZ), Toronto Island (YTZ).
Search flight deals

  • 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?

  • 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?

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
Air CanadaPriceFrom $116Free CancellationRating
7.1
10,516 reviews
Search Air Canada flights
United AirlinesPriceFrom $146Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
Porter AirlinesPriceFrom $185Free CancellationRating
8.0
398 reviews
Search Porter Airlines flights
American AirlinesPriceFrom $215Free CancellationRating
7.2
11,050 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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sáb. 1/10
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