Latest deals
Insights
When to book
FAQs
Price Alerts
Flights to Chicago O'Hare Intl

C$ 136 Cheap flights to Chicago O'Hare Intl Airport

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Chicago O'Hare Intl Airport departing on 20/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Canada to Chicago O'Hare Intl Airport

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
12:00 p.m. - 4:40 p.m.
YYC
-
ORD
3h 40mdirect
WestJet Logo
5:30 p.m. - 8:25 p.m.
ORD
-
YYC
3h 55mdirect
C$ 204WestJet
Wed, 20 May - Wed, 27 May
WestJet Logo
12:00 p.m. - 4:40 p.m.
YYC
-
ORD
3h 40mdirect
WestJet Logo
5:30 p.m. - 8:25 p.m.
ORD
-
YYC
3h 55mdirect
C$ 220WestJet
Wed, 20 May - Wed, 27 May
Air Canada Logo
9:25 a.m. - 11:18 a.m.
YUL
-
ORD
2h 53mdirect
Air Canada Logo
3:35 p.m. - 6:40 p.m.
ORD
-
YUL
2h 05mdirect
C$ 241Air Canada
Thu, 19 Mar - Mon, 23 Mar
Air Canada Logo
1:10 p.m. - 2:55 p.m.
YUL
-
ORD
2h 45mdirect
Air Canada Logo
3:35 p.m. - 6:40 p.m.
ORD
-
YUL
2h 05mdirect
C$ 242Air Canada
Thu, 19 Mar - Mon, 23 Mar
United Airlines Logo
6:00 a.m. - 8:00 a.m.
YUL
-
ORD
3h 00mdirect
United Airlines Logo
6:00 a.m. - 3:16 p.m.
ORD
-
YUL
8h 16m
1 stop
C$ 266United Airlines
Tue, 17 Mar - Sun, 22 Mar
Lufthansa Logo
8:50 a.m. - 9:50 a.m.
YYZ
-
ORD
2h 00mdirect
Lufthansa Logo
9:20 p.m. - 11:59 p.m.
ORD
-
YYZ
1h 39mdirect
C$ 270Lufthansa
Sat, 4 Apr - Mon, 6 Apr
Lufthansa Logo
9:45 a.m. - 11:37 a.m.
YUL
-
ORD
2h 52mdirect
Lufthansa Logo
7:13 a.m. - 10:40 a.m.
ORD
-
YUL
2h 27mdirect
C$ 271Lufthansa
Sat, 4 Apr - Mon, 20 Apr
American Airlines Logo
1:10 p.m. - 2:10 p.m.
YYZ
-
ORD
2h 00mdirect
American Airlines Logo
5:00 a.m. - 11:13 a.m.
ORD
-
YYZ
5h 13m
1 stop
C$ 275American Airlines
Wed, 18 Mar - Wed, 25 Mar
United Airlines Logo
7:43 p.m. - 11:43 p.m.
YYZ
-
ORD
5h 00m
1 stop
United Airlines Logo
9:15 p.m. - 11:59 p.m.
ORD
-
YYZ
1h 44mdirect
C$ 282United Airlines
Fri, 3 Apr - Mon, 6 Apr
American Airlines Logo
2:24 p.m. - 4:29 p.m.
YQB
-
ORD
3h 05mdirect
American Airlines Logo
10:02 a.m. - 1:41 p.m.
ORD
-
YQB
2h 39mdirect
C$ 591American Airlines
Wed, 15 Jul - Tue, 21 Jul

momondo Fare Finder

 
Locate flights to Chicago O'Hare Intl that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 96,600 searches and data was last updated on 20 February 2026.
Use the filters below to find and compare flights to Chicago O'Hare Intl Airport that are best for you.

Fly from

Route

Depart

Return

Price

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Wed 20/5

12:00 p.m.-4:40 p.m.

Nonstop3h 40m

Chicago O'Hare Intl

Wed 27/5

5:30 p.m.-8:25 p.m.

Nonstop3h 55m

C$ 204

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Wed 20/5

12:00 p.m.-4:40 p.m.

Nonstop3h 40m

Chicago O'Hare Intl

Wed 27/5

5:30 p.m.-8:25 p.m.

Nonstop3h 55m

C$ 220

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 19/3

9:25 a.m.-11:18 a.m.

Nonstop2h 53m

Chicago O'Hare Intl

Mon 23/3

3:35 p.m.-6:40 p.m.

Nonstop2h 05m

C$ 241

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 19/3

1:10 p.m.-2:55 p.m.

Nonstop2h 45m

Chicago O'Hare Intl

Mon 23/3

3:35 p.m.-6:40 p.m.

Nonstop2h 05m

C$ 242

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Tue 17/3

6:00 a.m.-8:00 a.m.

Nonstop3h 00m

Chicago O'Hare Intl

Sun 22/3

6:00 a.m.-3:16 p.m.

1 stop8h 16m

C$ 266

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sat 4/4

8:50 a.m.-9:50 a.m.

Nonstop2h 00m

Chicago O'Hare Intl

Mon 6/4

9:20 p.m.-11:59 p.m.

Nonstop1h 39m

C$ 270

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 4/4

9:45 a.m.-11:37 a.m.

Nonstop2h 52m

Chicago O'Hare Intl

Mon 20/4

7:13 a.m.-10:40 a.m.

Nonstop2h 27m

C$ 271

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Wed 18/3

1:10 p.m.-2:10 p.m.

Nonstop2h 00m

Chicago O'Hare Intl

Wed 25/3

5:00 a.m.-11:13 a.m.

1 stop5h 13m

C$ 275

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Fri 3/4

7:43 p.m.-11:43 p.m.

1 stop5h 00m

Chicago O'Hare Intl

Mon 6/4

9:15 p.m.-11:59 p.m.

Nonstop1h 44m

C$ 282

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Wed 15/7

2:24 p.m.-4:29 p.m.

Nonstop3h 05m

Chicago O'Hare Intl

Tue 21/7

10:02 a.m.-1:41 p.m.

Nonstop2h 39m

C$ 591

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Chicago O'Hare Intl Airport from

Flights to Chicago O'Hare Intl Airport - Travel Insights & Trends

Get data-powered insights and trends for flights to Chicago O'Hare Intl Airport to help you craft the best travel plan.

What cabin class options are available on Canada to Chicago O'Hare Intl flights?

There are 4 cabin classes available to choose from on Canada to Chicago O'Hare Intl 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 day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Friday when prices can be found for as low as C$ 674. This is often the case because there is less demand to fly during this day of the week. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Canada to Chicago O'Hare Intl Airport for around C$ 1,068.

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

In general, November is the cheapest month to fly from Canada to Chicago O'Hare Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 296. The month of May is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Canada averaging around C$ 353.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

In the evening is the cheapest time of day to fly from Canada to Chicago O'Hare Intl Airport when you can find flight prices for as low as C$ 655. Flying to Chicago O'Hare Intl Airport in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 1,131 on average. Flights to Chicago O'Hare Intl Airport from Canada at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Canada to Chicago O'Hare Intl flight route?

Fly from Calgary to Chicago O'Hare Intl for the best Canada - Chicago O'Hare Intl flight prices

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Canada when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around C$ 394 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Canada for as low as C$ 267 on momondo.

Cheapest flights to Chicago O'Hare Intl

Find the cheapest flights to Chicago O'Hare Intl from your nearest city or airport
Find Flights from Toronto Pearson Intl Airport to Chicago O'Hare Intl Airport
CHEAPEST MONTH TO FLY TO CHICAGO O'HARE INTL AIRPORT FROM TORONTO PEARSON INTL AIRPORTMay13% cheaperFlying from Toronto Pearson Intl Airport to Chicago O'Hare Intl Airport costs on average just C$ 346 in May
MOST EXPENSIVE MONTH TO FLY TO CHICAGO O'HARE INTL AIRPORT FROM TORONTO PEARSON INTL AIRPORTDecember14% more expensiveIt costs about C$ 453 for flights to Chicago O'Hare Intl Airport from Toronto Pearson Intl Airport in December
MOST POPULAR MONTH TO FLY TO CHICAGO O'HARE INTL AIRPORT FROM TORONTO PEARSON INTL AIRPORTMay275% more users visitedMore momondo users searched in flights to Chicago O'Hare Intl Airport from Toronto Pearson Intl Airport in May than any other month

Cheap Chicago O'Hare Intl Airport flight deals and tips

Summary info about Chicago O'Hare Intl Airport flight prices, duration and airlines

Best One-Way Price

C$ 136

Best Round-Trip Price

C$ 204

Fastest flight time

2h 53m

Popular in

December
The best one-way flight price to Chicago from Canada in the last 72 hours is C$ 136 (Calgary to Chicago O'Hare Intl).
Search Deals
The best round-trip flight price to Chicago from Canada in the last 72 hours is C$ 204 (Calgary to Chicago O'Hare Intl).
Search Deals
The fastest flight to Chicago from Canada takes 2h 53m (Montreal Pierre Elliott Trudeau Intl to Chicago O'Hare Intl).
Search Deals
December has the highest demand for flights to Chicago, with a 9% price increase on average.
Search Deals

Frequently asked questions about flying to Chicago O'Hare Intl Airport

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

In general, when looking for the cheapest flight to Chicago O'Hare Intl Airport, try to choose a flight departing in November for the best deal.

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

From most locations, to find the best deals on airfare, our data shows that users booking 87 days before flying found the cheapest flight to Chicago O'Hare Intl Airport.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

From most locations, the cheapest day to fly to Chicago O'Hare Intl Airport is Friday. Most users found that departing on a Tuesday was most expensive.

What is the cheapest time of day to fly to Chicago O'Hare Intl Airport?

On average you can find the best deals on plane tickets to Chicago O'Hare Intl Airport when looking for flights with Evening departure times.

Is there an alternative airport near Chicago O'Hare Intl Airport?

Finding an alternative and possibly cheaper destination airport near Chicago O'Hare Intl Airport is possible. If you are planning a flight to Chicago O'Hare Intl Airport, consider booking flights to Chicago Midway Airport (14 km from Chicago city centre) or Chicago Greater Rockford Airport (126 km from Chicago city centre).

Is there a cheaper alternative to flying into Chicago?

Chicago Midway Airport has an average price of C$ 349 per person and is typically the cheapest airport to fly into when visiting Chicago. This average price does vary based on departure city. Try momondo’s Airport-to-Airport Pricing Tool to find the cheapest flight.

What is the absolute cheapest flight to Chicago?

C$ 250 is the cheapest deal found on momondo in the last two weeks for a flight to Chicago. This flight is from Toronto and is 28% cheaper than most flights to Chicago. To find the cheapest price to Chicago from your area, use momondo’s Airport-to-Airport Pricing Tool.

Which airlines fly to Chicago O'Hare Intl Airport?

You can find flights to Chicago O'Hare Intl Airport from 7 airlines. If you’re unsure which to fly with, consider booking your flight with Air Canada, United Airlines or WestJet as these are the most popular among our users. Air Canada is the most favoured with 57% of momondo travellers booking flights with this airline.

When did momondo last update prices for flights to Chicago O'Hare Intl Airport?

Prices for flights to Chicago O'Hare Intl Airport refresh daily.

How many operators does momondo search for flights to Chicago O'Hare Intl Airport?

As of February 2026, there are 9 operators available to choose from for flights to Chicago O'Hare Intl Airport.

How old do you have to be to fly to Chicago O'Hare Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to Chicago O'Hare Intl Airport.

What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

The travel and health documents you'll need for your trip to Chicago O'Hare Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago O'Hare Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schaumburg
Rosemont
Hoffman Estates
Northbrook
Tinley Park
Munster
Skokie
Great Lakes
Hammond
Harvey
Naperville
Wheeling
Glenview
Des Plaines
Elmhurst
Harvard
Merrillville
Elk Grove Village
Oak Brook
Kenosha

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chicago.

Can I find flights to Chicago with flexible booking policies on momondo?

Flights to Chicago with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights to Chicago?

Once all potential Chicago flight options are in front of you momondo lets you sort and filter flights based on preferences such as airline, price and flight times, amongst many other options.

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

Of course. momondo tracks the price of Chicago 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 Chicago O'Hare Intl 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 22/3
Sun 29/3
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Chicago O'Hare Intl Airport ORD

Popular Flights to Chicago O'Hare Intl Airport

Popular routes according to searches in the past day on momondo
Flights from Toronto Pearson Intl to ORDfrom C$ 237
Flights from Montreal Pierre Elliott Trudeau Intl to ORDfrom C$ 206
Flights from Ottawa to ORDfrom C$ 308
Flights from Calgary to ORDfrom C$ 186
Flights from Vancouver Intl to ORDfrom C$ 249