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Cheap flights from Chicago to Montreal from $121

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 Montreal departing on 1/11. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:40 am - 3:20 pmORD-YUL
7h 40m1 stop
American Airlines Logo
7:30 am - 6:34 pmYUL-ORD
12h 04m1 stop
$212American Airlines
Find Deal
jue., ene. 29 - dom., feb. 1
Delta Logo
1:05 pm - 11:54 pmMDW-YUL
9h 49m1 stop
Delta Logo
7:00 am - 3:25 pmYUL-MDW
9h 25m1 stop
$236Delta
Find Deal
jue., feb. 12 - dom., feb. 15
Delta Logo
7:00 am - 4:01 pmORD-YUL
8h 01m1 stop
Delta Logo
6:00 am - 9:35 amYUL-ORD
4h 35m1 stop
$236Delta
Find Deal
jue., feb. 12 - dom., feb. 15
Porter Airlines Logo
11:00 am - 4:30 pmMDW-YUL
4h 30m1 stop
Porter Airlines Logo
11:25 am - 3:20 pmYUL-MDW
4h 55m1 stop
$243Porter Airlines
Find Deal
jue., abr. 9 - lun., abr. 13
Porter Airlines Logo
11:00 am - 5:45 pmMDW-YUL
5h 45m1 stop
Porter Airlines Logo
11:25 am - 3:20 pmYUL-MDW
4h 55m1 stop
$255Porter Airlines
Find Deal
dom., mar. 22 - dom., mar. 29
Air Canada Logo
10:35 am - 2:00 pmORD-YUL
2h 25mnonstop
Air Canada Logo
6:00 am - 8:05 amYUL-ORD
3h 05mnonstop
$256Air Canada
Find Deal
vie., ene. 2 - mar., ene. 6
American Airlines Logo
11:50 am - 3:00 pmORD-YUL
2h 10mnonstop
American Airlines Logo
3:45 pm - 5:45 pmYUL-ORD
3h 00mnonstop
$262American Airlines
Find Deal
sáb., feb. 21 - sáb., feb. 28
Air Canada Logo
7:15 am - 10:20 amORD-YUL
2h 05mnonstop
Air Canada Logo
11:10 am - 3:10 pmYUL-ORD
5h 00m1 stop
$271Air Canada
Find Deal
jue., feb. 12 - dom., feb. 15
Multiple Airlines Logo
11:36 am - 8:39 pmMDW-YUL
32h 03m2 stops
Multiple Airlines Logo
8:55 am - 11:50 amYUL-MDW
3h 55m1 stop
$273Multiple Airlines
Find Deal
sáb., nov. 1 - sáb., nov. 8
Multiple Airlines Logo
4:58 pm - 10:20 pmORD-YUL
28h 22m2 stops
Multiple Airlines Logo
8:00 am - 11:02 pmYUL-ORD
16h 02m1 stop
$297Multiple Airlines
Find Deal
mar., dic. 2 - dom., dic. 7

American Airlines flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport

Our best American Airlines deals on Chicago to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
American Airlines
Jan 29
ORD6:40 amChicago O'Hare Intl
7h 40m
1 stop
YUL3:20 pmMontreal Pierre Elliott Trudeau Intl
Feb 1
YUL7:30 amMontreal Pierre Elliott Trudeau Intl
12h 04m
1 stop
ORD6:34 pmChicago O'Hare Intl
$212
Find similar
American Airlines
Feb 21
ORD11:50 amChicago O'Hare Intl
2h 10m
YUL3:00 pmMontreal Pierre Elliott Trudeau Intl
Feb 28
YUL3:45 pmMontreal Pierre Elliott Trudeau Intl
3h 00m
ORD5:45 pmChicago O'Hare Intl
$262
Find similar
American Airlines
Mar 31
ORD11:50 amChicago O'Hare Intl
2h 10m
YUL3:00 pmMontreal Pierre Elliott Trudeau Intl
Apr 1
YUL3:45 pmMontreal Pierre Elliott Trudeau Intl
3h 00m
ORD5:45 pmChicago O'Hare Intl
$263
Find similar

Delta flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport

Our best Delta deals on Chicago to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
Delta
Feb 12
MDW1:05 pmChicago Midway
9h 49m
1 stop
YUL11:54 pmMontreal Pierre Elliott Trudeau Intl
Feb 15
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
9h 25m
1 stop
MDW3:25 pmChicago Midway
$236
Find similar
Delta
Feb 14
MDW5:59 pmChicago Midway
4h 13m
1 stop
YUL11:12 pmMontreal Pierre Elliott Trudeau Intl
Feb 21
YUL6:00 amMontreal Pierre Elliott Trudeau Intl
7h 35m
1 stop
MDW12:35 pmChicago Midway
$264
Find similar
Delta
Nov 25
ORD2:35 pmChicago O'Hare Intl
7h 51m
1 stop
YUL11:26 pmMontreal Pierre Elliott Trudeau Intl
Jan 4
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
9h 13m
1 stop
ORD3:13 pmChicago O'Hare Intl
$327
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport 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 octubre 20, 2025.
Use the filters below to find and compare flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

jue. 1/29

6:40 am-3:20 pm

1 stop7h 40m

Montreal Pierre Elliott Trudeau Intl

dom. 2/1

7:30 am-6:34 pm

1 stop12h 04m

$212

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

jue. 2/12

1:05 pm-11:54 pm

1 stop9h 49m

Montreal Pierre Elliott Trudeau Intl

dom. 2/15

7:00 am-3:25 pm

1 stop9h 25m

$236

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

jue. 2/12

7:00 am-4:01 pm

1 stop8h 01m

Montreal Pierre Elliott Trudeau Intl

dom. 2/15

6:00 am-9:35 am

1 stop4h 35m

$236

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

jue. 4/9

11:00 am-4:30 pm

1 stop4h 30m

Montreal Pierre Elliott Trudeau Intl

lun. 4/13

11:25 am-3:20 pm

1 stop4h 55m

$243

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

dom. 3/22

11:00 am-5:45 pm

1 stop5h 45m

Montreal Pierre Elliott Trudeau Intl

dom. 3/29

11:25 am-3:20 pm

1 stop4h 55m

$255

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

vie. 1/2

10:35 am-2:00 pm

Nonstop2h 25m

Montreal Pierre Elliott Trudeau Intl

mar. 1/6

6:00 am-8:05 am

Nonstop3h 05m

$256

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

sáb. 2/21

11:50 am-3:00 pm

Nonstop2h 10m

Montreal Pierre Elliott Trudeau Intl

sáb. 2/28

3:45 pm-5:45 pm

Nonstop3h 00m

$262

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

jue. 2/12

7:15 am-10:20 am

Nonstop2h 05m

Montreal Pierre Elliott Trudeau Intl

dom. 2/15

11:10 am-3:10 pm

1 stop5h 00m

$271

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

sáb. 11/1

11:36 am-8:39 pm

2 stops32h 03m

Montreal Pierre Elliott Trudeau Intl

sáb. 11/8

8:55 am-11:50 am

1 stop3h 55m

$273

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

mar. 12/2

4:58 pm-10:20 pm

2 stops28h 22m

Montreal Pierre Elliott Trudeau Intl

dom. 12/7

8:00 am-11:02 pm

1 stop16h 02m

$297

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 Montreal from

How to get the cheapest flight ticket from Chicago to Montreal Pierre Elliott Trudeau Intl Airport

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 Montreal Pierre Elliott Trudeau Intl Airport?

The month of November is another great option to travel to Montreal Pierre Elliott Trudeau Intl Airport, with average flight prices from Chicago averaging around $316.

What is the cheapest day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport?

The cheapest day to depart from Chicago to Montreal Pierre Elliott Trudeau Intl Airport is on a Thursday. Travelers who choose to depart for Montreal Pierre Elliott Trudeau Intl Airport on a Thursday will often find tickets for as low as $649. Flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport on a Sunday will generally be more expensive and average around $830. 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 Montreal Pierre Elliott Trudeau Intl Airport?

At noon is the cheapest time of day to fly from Chicago to Montreal Pierre Elliott Trudeau Intl Airport when you can find flight prices for as low as $601. Flying to Montreal Pierre Elliott Trudeau Intl Airport at noon is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $813.

What is the cheapest Chicago to Montreal Pierre Elliott Trudeau Intl flight route?

Fly from Chicago O'Hare Intl to Montreal Pierre Elliott Trudeau Intl for the best Chicago - Montreal Pierre Elliott Trudeau Intl flight prices

How far in advance should I book a flight to Montreal Pierre Elliott Trudeau Intl Airport?

You are more likely to see cheaper flights to Montreal Pierre Elliott Trudeau Intl Airport from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Montreal Pierre Elliott Trudeau Intl Airport for around $406 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montreal Pierre Elliott Trudeau Intl Airport from Chicago for as low as $237 on momondo.

What cabin class options are available on Chicago to Montreal Pierre Elliott Trudeau Intl flights?

There are 4 cabin classes available to choose from on Chicago to Montreal Pierre Elliott Trudeau Intl 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 Montreal Pierre Elliott Trudeau Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Chicago to Montreal Pierre Elliott Trudeau Intl Airport.

How have Chicago to Montreal Pierre Elliott Trudeau Intl Airport flight prices changed over time?

As of October 2025, prices for Chicago to Montreal Pierre Elliott Trudeau Intl Airport flights are approximately 51% cheaper when compared to flights at the same time last year.

When to book flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Montreal Pierre Elliott Trudeau Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Montreal Pierre Elliott Trudeau Intl Airport (CHI to YUL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Montreal Pierre Elliott Trudeau Intl Airport

Best Price Found

$233

Fastest flight time

2h 05m

Direct flights

Every day
The best one-way flight to Montreal Pierre Elliott Trudeau Intl Airport from Chicago in the past 72 hours is $233. The best round-trip flight deal from Chicago to Montreal Pierre Elliott Trudeau Intl Airport found on momondo in the last 72 hours is $428.
The fastest flight from Chicago to Montreal Pierre Elliott Trudeau Intl Airport takes 2h 05m
Direct flights go from Chicago to Montreal Pierre Elliott Trudeau Intl Airport every day.
Search flight deals

  • How far is Chicago to Montreal Pierre Elliott Trudeau Intl by plane?

    The distance between Chicago and Montreal Pierre Elliott Trudeau Intl is about 734.8 mi. 2h 05m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport?

    Prices for flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport refresh daily.

  • How many operators does momondo search for flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport?

  • How old do you have to be to fly from Chicago to Montreal Pierre Elliott Trudeau Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago to Montreal Pierre Elliott Trudeau Intl Airport.

  • What documentation or ID do you need to fly to Montreal Pierre Elliott Trudeau Intl Airport?

    The travel and health documents required for your trip to Montreal Pierre Elliott Trudeau Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Montreal Pierre Elliott Trudeau Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Chicago to Montreal Pierre Elliott Trudeau Intl Airport?

  • What is the most popular airline from Chicago to Montreal Pierre Elliott Trudeau Intl Airport?

Best airlines flying from Chicago to Montreal Pierre Elliott Trudeau Intl Airport

Compare and see reviews for airlines that fly from Chicago to Montreal Pierre Elliott Trudeau Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $162Free CancellationRating
7.1
10,334 reviews
Search Air Canada flights
American AirlinesPriceFrom $192Free CancellationRating
7.2
11,024 reviews
Search American Airlines flights
Porter AirlinesPriceFrom $249Free CancellationRating
8.0
381 reviews
Search Porter Airlines flights
United AirlinesPriceFrom $256Free CancellationRating
7.4
8,990 reviews
Search United Airlines flights

  • Porter Airlines Flights From Chicago to Montreal Pierre Elliott Trudeau Intl Airport

    Porter Airlines is one of the most popular airlines flying from Chicago to Montreal Pierre Elliott Trudeau Intl Airport, operating 11 flights/week on average for this route. A good Porter Airlines flight deal for Chicago to Montreal Pierre Elliott Trudeau Intl Airport starts from $249 round-trip, up to an average price of $457. Our users have rated Porter Airlines at 8.0/10.

  • United Airlines Flights From Chicago to Montreal Pierre Elliott Trudeau Intl Airport

    Across 8,990 United Airlines reviews on momondo, the average score is 7.4/10. United Airlines flies from Chicago to Montreal Pierre Elliott Trudeau Intl Airport about 43 times each week, with ticket deals ranging from $256 to $409. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near Montreal?

Book flights to Montreal if you plan to visit one of these locations
Laval
Dorval
Brossard
Longueuil
Magog
Trois-Rivières
Boucherville
Cornwall
Drummondville
Sherbrooke
Montebello
Saint-Sauveur
Bromont
Saint-Jean-sur-Richelieu
North Hatley
Sutton

Why use momondo?

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

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

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

Yes. All flights to Montreal from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Chicago to Montreal?

momondo helps you find the best flight between Chicago and Montreal 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 Montreal right now. Can momondo alert me if prices change?

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

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