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Pierre Elliott Trudeau Intl

$66+ Cheap flights from O'Hare Intl (ORD) to Pierre Elliott Trudeau Intl (YUL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YUL
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Montreal Pierre Elliott Trudeau Intl are usually found in February or May, booked 38 days in advance, depart on a Thursday or Saturday and return on a Friday

Cheap flight deals from O'Hare Intl to Pierre Elliott Trudeau Intl

Cheapest flights from O'Hare Intl to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from O'Hare Intl to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.

This Air Canada deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/258:45 am
ORD
-
YUL
Nonstop2h 15m
Air Canada
Thu 5/286:30 pm
YUL
-
ORD
Nonstop2h 38m
Air Canada
Deal found 1/24$203
This American Airlines deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:40 am
ORD
-
YUL
1 stop7h 40m
American Airlines
Tue 4/1412:30 pm
YUL
-
ORD
Nonstop2h 40m
American Airlines
Deal found 1/24$213
This Air Canada deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2412:50 pm
ORD
-
YUL
Nonstop2h 07m
Air Canada
Wed 3/259:25 am
YUL
-
ORD
Nonstop2h 53m
Air Canada
Deal found 1/26$214
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/176:00 pm
ORD
-
YUL
Nonstop2h 17m
United Airlines
Sat 2/212:13 pm
YUL
-
ORD
1 stop10h 30m
United Airlines
Deal found 1/26$219
This United Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/158:50 am
ORD
-
YUL
1 stop5h 26m
United Airlines
Sat 2/219:15 am
YUL
-
ORD
1 stop10h 26m
United Airlines
Deal found 1/25$228
This Air Canada deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2012:50 pm
ORD
-
YUL
Nonstop2h 15m
Air Canada
Thu 4/301:20 pm
YUL
-
ORD
Nonstop2h 35m
Air Canada
Deal found 1/24$231
This Air Canada deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/183:35 pm
ORD
-
YUL
Nonstop2h 05m
Air Canada
Sat 3/211:10 pm
YUL
-
ORD
Nonstop2h 45m
Air Canada
Deal found 1/24$232
This Delta deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/256:00 am
ORD
-
YUL
1 stop10h 07m
Delta
Fri 6/512:45 pm
YUL
-
ORD
1 stop8h 39m
Delta
Deal found 1/26$237
This Flightnetwork deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/127:15 am
ORD
-
YUL
Nonstop2h 05m
Air Canada
Mon 3/169:10 am
YUL
-
ORD
1 stop4h 51m
Air Canada
Deal found 1/26$241
This Mytrip deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/127:15 am
ORD
-
YUL
Nonstop2h 05m
Multiple Airlines
Mon 3/168:00 am
YUL
-
ORD
1 stop11h 21m
Multiple Airlines
Deal found 1/24$249

Find flight deals from O'Hare Intl to Pierre Elliott Trudeau Intl

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Pierre Elliott Trudeau Intl (YUL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$203
(Air Canada)

One-way from

$66
(Booking.com)

Popular in

March

Cheapest in

February

Average price

$413

Good round-trip deal

$481 or less

Good one-way deal

$177 or less
Provider with most accurate pricing for Chicago O'Hare Intl-Montreal Pierre Elliott Trudeau Intl flight deals.
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Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Montreal Pierre Elliott Trudeau Intl flights.
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From Chicago O'Hare Intl to Montreal Pierre Elliott Trudeau Intl
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One-way flight from Chicago O'Hare Intl to Montreal Pierre Elliott Trudeau Intl
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Highest demand for flights based on searches. 1% potential increase in price ($5 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Chicago O'Hare Intl to Montreal Pierre Elliott Trudeau Intl.
Search Deals
Price to beat on a one-way flight from Chicago O'Hare Intl to Montreal Pierre Elliott Trudeau Intl.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl to Pierre Elliott Trudeau Intl 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, Cheapflights users made 2,558,603 searches. Data last updated January 26, 2026.
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

O'Hare Intl

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Mon 2/16

6:30 am-11:59 am

1 stop4h 29m

Montreal Pierre Elliott Trudeau Intl

Sat 3/21

6:00 am-1:24 pm

1 stop8h 24m

$237

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 5/7

1:15 pm-11:58 pm

1 stop9h 43m

Montreal Pierre Elliott Trudeau Intl

Sun 5/10

12:45 pm-9:16 pm

1 stop9h 31m

$237

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Mon 5/25

7:10 am-4:01 pm

1 stop7h 51m

Montreal Pierre Elliott Trudeau Intl

Fri 6/5

12:45 pm-8:24 pm

1 stop8h 39m

$237

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Fri 5/8

1:15 pm-11:58 pm

1 stop9h 43m

Montreal Pierre Elliott Trudeau Intl

Mon 5/11

6:00 am-12:39 pm

1 stop7h 39m

$237

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 5/30

1:35 pm-11:10 pm

1 stop8h 35m

Montreal Pierre Elliott Trudeau Intl

Wed 6/3

12:45 pm-8:24 pm

1 stop8h 39m

$237

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Fri 5/15

1:15 pm-11:58 pm

1 stop9h 43m

Montreal Pierre Elliott Trudeau Intl

Mon 5/18

12:45 pm-9:16 pm

1 stop9h 31m

$237

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 4/23

1:26 pm-11:08 pm

1 stop8h 42m

Montreal Pierre Elliott Trudeau Intl

Mon 4/27

7:00 am-1:23 pm

1 stop7h 23m

$237

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 5/23

1:35 pm-11:10 pm

1 stop8h 35m

Montreal Pierre Elliott Trudeau Intl

Tue 6/2

2:30 pm-10:43 pm

1 stop9h 13m

$237

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Wed 4/8

7:10 am-5:31 pm

1 stop9h 21m

Montreal Pierre Elliott Trudeau Intl

Mon 4/13

6:45 pm-11:59 pm

1 stop6h 14m

$237

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Fri 5/8

1:15 pm-11:58 pm

1 stop9h 43m

Montreal Pierre Elliott Trudeau Intl

Sat 5/16

6:00 am-12:39 pm

1 stop7h 39m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 21 results
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Compare providers for flights from O'Hare Intl to Pierre Elliott Trudeau Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to Pierre Elliott Trudeau Intl in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Montreal Pierre Elliott Trudeau Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Montreal Pierre Elliott Trudeau Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Montreal Pierre Elliott Trudeau Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Montreal Pierre Elliott Trudeau Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Montreal Pierre Elliott Trudeau Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from O'Hare Intl to Pierre Elliott Trudeau Intl

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl from O'Hare Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Pierre Elliott Trudeau Intl. Price data was last updated on January 23, 2026.

Booking 38 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

Currently, April is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport (average of $106). Flying from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of $283). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ORD to YUL?

Find hourly flight availability from O'Hare Intl to Pierre Elliott Trudeau Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 26, 2026.

It’s optimal to fly from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport at noon. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight in the evening.

The best insider tips for Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport trip
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on ORD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
John Walton

John Walton

Expert on YUL

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more

Reviews of airlines servicing Pierre Elliott Trudeau Intl

Get insights into the airlines that provide service to Pierre Elliott Trudeau Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Pierre Elliott Trudeau Intl. Reviews last updated January 26, 2026.
Read reviews from past customers who have flown United Airlines, American Airlines, and Air Canada from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,198 reviews

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,198 reviews
United Airlines
7.4
Good
9,198 reviews

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,189 reviews
United Airlines
7.4
Good
9,198 reviews

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Air Canada
7.1
Good
10,656 reviews
United Airlines
7.4
Good
9,198 reviews

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Pierre Elliott Trudeau Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    For as low as $237, Delta can have you in Montreal Pierre Elliott Trudeau Intl Airport from Chicago O'Hare Intl Airport in 4h 29m. The distance between Chicago O'Hare Intl Airport and Montreal Pierre Elliott Trudeau Intl Airport is about 745 mi.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport round-trip?

    Flying on United Airlines is currently your cheapest option to Montreal Pierre Elliott Trudeau Intl Airport, with prices starting at $148. Additional round-trip tickets that might be worth considering are offered by Air Canada and American Airlines, with the lowest prices starting at $149 and $213, respectively. United Airlines is priced at 62% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport one-way?

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $64. Users have also found prices from $74 and $74 on American Airlines and United Airlines, respectively.

  • What are the most reliable airlines from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    The top 3 most reliable airlines when flying from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport are Japan Airlines (75%), Porter Airlines (75%) and Qantas Airways (75%).

  • What are the cheapest flights from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    On average you can expect to pay $1,036 for a flight from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport. The cheapest flight overall is $101 while the most popular route, (Chicago O'Hare Intl - Montreal Pierre Elliott Trudeau Intl) is currently priced at $203.

  • Can I find deals for flights from O'Hare Intl to Pierre Elliott Trudeau Intl that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Pierre Elliott Trudeau Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Pierre Elliott Trudeau Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Pierre Elliott Trudeau Intl.

  • Can I find deals for business class flights from O'Hare Intl to Pierre Elliott Trudeau Intl?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Pierre Elliott Trudeau Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    Currently, April is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport (average of $106). Flying from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of $283). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Montreal Pierre Elliott Trudeau Intl Airport?

Book flights to Montreal Pierre Elliott Trudeau Intl Airport if you plan to visit one of these locations
Laval
Longueuil
Brossard
Dorval

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Alternative routes for O'Hare Intl to Pierre Elliott Trudeau Intl

See prices for flight routes from nearby airports that may be better suited for you.
Midway to Pierre Elliott Trudeau Intl flights

Top 3 airlines flying from O'Hare Intl to Pierre Elliott Trudeau Intl

Discover the top 3 airlines that operate flights from O'Hare Intl to Pierre Elliott Trudeau Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$148Average$348FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$149Average$393FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$213Average$405FlexibilityNo cancel feeOn-time71%

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