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Cheap flights from Chicago O'Hare Intl Airport to Montreal from $64

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 O'Hare Intl Airport to Montreal departing on 2/1. 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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Find the cheapest flights from Chicago O'Hare Intl Airport to Montreal

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:05 am - 1:28 pm
ORD
-
YUL
6h 23m1 stop
United Airlines Logo
6:00 am - 8:05 am
YUL
-
ORD
3h 05mnonstop
$191United Airlines
qui, fev 5 - dom, fev 8
American Airlines Logo
11:50 am - 3:08 pm
ORD
-
YUL
2h 18mnonstop
American Airlines Logo
7:30 am - 1:59 pm
YUL
-
ORD
7h 29m1 stop
$203American Airlines
dom, fev 1 - ter, fev 3
United Airlines Logo
8:52 am - 7:48 pm
ORD
-
YUL
9h 56m1 stop
United Airlines Logo
2:13 pm - 11:39 pm
YUL
-
ORD
10h 26m1 stop
$206United Airlines
qui, fev 5 - seg, fev 9
Air Canada Logo
8:40 am - 11:51 am
ORD
-
YUL
2h 11mnonstop
Air Canada Logo
1:20 pm - 2:55 pm
YUL
-
ORD
2h 35mnonstop
$210Air Canada
dom, abr 26 - qua, abr 29
Air Canada Logo
7:15 am - 10:20 am
ORD
-
YUL
2h 05mnonstop
Air Canada Logo
3:10 pm - 7:45 pm
YUL
-
ORD
5h 35m1 stop
$211Air Canada
qui, jan 8 - seg, jan 12
Air Canada Logo
2:00 pm - 9:51 pm
ORD
-
YUL
6h 51m1 stop
Air Canada Logo
8:30 am - 10:08 am
YUL
-
ORD
2h 38mnonstop
$214Air Canada
dom, abr 26 - qua, abr 29
Air Canada Logo
7:15 am - 10:20 am
ORD
-
YUL
2h 05mnonstop
Air Canada Logo
6:25 pm - 8:10 pm
YUL
-
ORD
2h 45mnonstop
$221Air Canada
qui, jan 8 - seg, jan 12
Air Canada Logo
3:35 pm - 6:40 pm
ORD
-
YUL
2h 05mnonstop
Air Canada Logo
7:00 am - 1:01 pm
YUL
-
ORD
7h 01m1 stop
$222Air Canada
sáb, fev 21 - qui, fev 26
Air Canada Logo
7:15 am - 10:20 am
ORD
-
YUL
2h 05mnonstop
Air Canada Logo
11:10 am - 3:10 pm
YUL
-
ORD
5h 00m1 stop
$228Air Canada
dom, jan 18 - dom, jan 25
United Airlines Logo
10:35 am - 2:00 pm
ORD
-
YUL
2h 25mnonstop
United Airlines Logo
6:00 am - 8:00 am
YUL
-
ORD
3h 00mnonstop
$230United Airlines
qui, fev 12 - dom, fev 15

United Airlines flights from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport

Our best United Airlines deals on Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
United Airlines
Feb 5
ORD6:05 amChicago O'Hare Intl
6h 23m
1 stop
YUL1:28 pmMontreal Pierre Elliott Trudeau Intl
Feb 8
YUL6:00 amMontreal Pierre Elliott Trudeau Intl
3h 05m
ORD8:05 amChicago O'Hare Intl
$191
Find similar
United Airlines
Feb 5
ORD8:52 amChicago O'Hare Intl
9h 56m
1 stop
YUL7:48 pmMontreal Pierre Elliott Trudeau Intl
Feb 9
YUL2:13 pmMontreal Pierre Elliott Trudeau Intl
10h 26m
1 stop
ORD11:39 pmChicago O'Hare Intl
$206
Find similar
United Airlines
Feb 12
ORD10:35 amChicago O'Hare Intl
2h 25m
YUL2:00 pmMontreal Pierre Elliott Trudeau Intl
Feb 15
YUL6:00 amMontreal Pierre Elliott Trudeau Intl
3h 00m
ORD8:00 amChicago O'Hare Intl
$230
Find similar

Air Canada flights from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport

Our best Air Canada deals on Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
Air Canada
Apr 26
ORD8:40 amChicago O'Hare Intl
2h 11m
YUL11:51 amMontreal Pierre Elliott Trudeau Intl
Apr 29
YUL1:20 pmMontreal Pierre Elliott Trudeau Intl
2h 35m
ORD2:55 pmChicago O'Hare Intl
$210
Find similar
Air Canada
Jan 8
ORD7:15 amChicago O'Hare Intl
2h 05m
YUL10:20 amMontreal Pierre Elliott Trudeau Intl
Jan 12
YUL3:10 pmMontreal Pierre Elliott Trudeau Intl
5h 35m
1 stop
ORD7:45 pmChicago O'Hare Intl
$211
Find similar
Air Canada
Apr 26
ORD2:00 pmChicago O'Hare Intl
6h 51m
1 stop
YUL9:51 pmMontreal Pierre Elliott Trudeau Intl
Apr 29
YUL8:30 amMontreal Pierre Elliott Trudeau Intl
2h 38m
ORD10:08 amChicago O'Hare Intl
$214
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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 dezembro 5, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport 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

qui 2/5

6:05 am-1:28 pm

1 stop6h 23m

Montreal Pierre Elliott Trudeau Intl

dom 2/8

6:00 am-8:05 am

Nonstop3h 05m

$191

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

dom 2/1

11:50 am-3:08 pm

Nonstop2h 18m

Montreal Pierre Elliott Trudeau Intl

ter 2/3

7:30 am-1:59 pm

1 stop7h 29m

$203

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

qui 2/5

8:52 am-7:48 pm

1 stop9h 56m

Montreal Pierre Elliott Trudeau Intl

seg 2/9

2:13 pm-11:39 pm

1 stop10h 26m

$206

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

dom 4/26

8:40 am-11:51 am

Nonstop2h 11m

Montreal Pierre Elliott Trudeau Intl

qua 4/29

1:20 pm-2:55 pm

Nonstop2h 35m

$210

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

qui 1/8

7:15 am-10:20 am

Nonstop2h 05m

Montreal Pierre Elliott Trudeau Intl

seg 1/12

3:10 pm-7:45 pm

1 stop5h 35m

$211

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

dom 4/26

2:00 pm-9:51 pm

1 stop6h 51m

Montreal Pierre Elliott Trudeau Intl

qua 4/29

8:30 am-10:08 am

Nonstop2h 38m

$214

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

qui 1/8

7:15 am-10:20 am

Nonstop2h 05m

Montreal Pierre Elliott Trudeau Intl

seg 1/12

6:25 pm-8:10 pm

Nonstop2h 45m

$221

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

sáb 2/21

3:35 pm-6:40 pm

Nonstop2h 05m

Montreal Pierre Elliott Trudeau Intl

qui 2/26

7:00 am-1:01 pm

1 stop7h 01m

$222

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

dom 1/18

7:15 am-10:20 am

Nonstop2h 05m

Montreal Pierre Elliott Trudeau Intl

dom 1/25

11:10 am-3:10 pm

1 stop5h 00m

$228

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

qui 2/12

10:35 am-2:00 pm

Nonstop2h 25m

Montreal Pierre Elliott Trudeau Intl

dom 2/15

6:00 am-8:00 am

Nonstop3h 00m

$230

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 O'Hare Intl Airport 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 typical price of a round-trip flight between Chicago O'Hare Intl Airport and Montreal Pierre Elliott Trudeau Intl Airport?

What is the cheapest month to fly to Montreal Pierre Elliott Trudeau Intl Airport?

The month of January is another great option to travel to Montreal Pierre Elliott Trudeau Intl Airport, with average flight prices from Chicago O'Hare Intl Airport averaging around $328.

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

The cheapest day to depart from Chicago O'Hare Intl Airport 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 $624. Flights from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport when you can find flight prices for as low as $588. 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 $786.

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

Fly from Chicago O'Hare Intl to Montreal Pierre Elliott Trudeau Intl for the best Chicago O'Hare Intl - 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 O'Hare Intl Airport 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 $398 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 O'Hare Intl Airport for as low as $237 on momondo.

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

There are 4 cabin classes available to choose from on Chicago O'Hare Intl 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.

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

As of December 2025, prices for Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport flights are approximately 11% more expensive when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport (ORD to YUL) flight deals and tips

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

Best Price Found

$201

Fastest flight time

2h 05m

Direct flights

Every day
The best one-way flight to Montreal Pierre Elliott Trudeau Intl Airport from Chicago O'Hare Intl Airport in the past 72 hours is $201. The best round-trip flight deal from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport found on momondo in the last 72 hours is $508.
The fastest flight from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport takes 2h 05m
Direct flights go from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport every day.
Search flight deals

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

    There are 744.9 mi between Chicago O'Hare Intl and Montreal Pierre Elliott Trudeau Intl. Typically, this will take 2h 05m by plane in normal conditions.

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

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

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

  • How old do you have to be to fly from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport.

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

    The required travel and health documents for your Montreal Pierre Elliott Trudeau Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Montreal Pierre Elliott Trudeau Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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

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

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $156Free CancellationRating
7.4
9,065 reviews
Search United Airlines flights
Air CanadaPriceFrom $163Free CancellationRating
7.1
10,500 reviews
Search Air Canada flights
American AirlinesPriceFrom $192Free CancellationRating
7.2
11,046 reviews
Search American Airlines flights

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

    United Airlines operates around 33 flights from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport every week. The average price of these flights found in the last 72 hours has been $373, but momondo users have found United Airlines deals from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport from as low as $156 round-trip. United Airlines has been scored 7.4/10 in 9,065 reviews.

  • American Airlines Flights From Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport

    American Airlines is also a popular choice for this route. American Airlines flight deals for Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport start from as low as $192 round-trip, depending on your selected dates, with average American Airlines deals seen on momondo around $405. American Airlines operates 6 flights to Montreal Pierre Elliott Trudeau Intl Airport from Chicago O'Hare Intl Airport in an average week. Users have rated it 7.2/10 across 11,046 reviews.

Traveling to a place near Montreal?

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

Why use momondo?

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

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 Montreal from Chicago.

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

Flights from Chicago to Montreal 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 from Chicago to Montreal?

Once you have performed a search for Chicago to Montreal flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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.

An easier way to manage your Montreal Pierre Elliott Trudeau Intl Airport trip

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