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Cheap flights from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport from C$ 182

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 20/6. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YUL
4 Jun — 11 Jun1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Chicago O'Hare Intl to Montreal Pierre Elliott Trudeau Intl are usually found in February or April, booked 57 days in advance, depart on a Friday or Tuesday and return on a Thursday

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

Enter your travel dates to find the best prices.

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 5 May 2026.

Tue 16/68:20 p.m.
ORD
-
YUL
1 stop4h 31m
Air Canada
Wed 17/68:40 a.m.
YUL
-
ORD
Nonstop2h 38m
Air Canada
Deal found 30/4C$ 351
Wed 1/711:05 a.m.
ORD
-
YUL
Nonstop2h 18m
Air Canada
Wed 1/74:30 p.m.
YUL
-
ORD
1 stop4h 46m
Air Canada
Deal found 1/5C$ 402
Sat 30/58:45 a.m.
ORD
-
YUL
Nonstop2h 15m
Air Canada
Mon 1/64:30 p.m.
YUL
-
ORD
1 stop4h 46m
Air Canada
Deal found 3/5C$ 406
Sat 16/511:05 a.m.
ORD
-
YUL
Nonstop2h 11m
Air Canada
Mon 18/56:30 p.m.
YUL
-
ORD
Nonstop2h 38m
Air Canada
Deal found 1/5C$ 407
Fri 5/62:00 p.m.
ORD
-
YUL
1 stop6h 45m
Air Canada
Sun 7/67:00 a.m.
YUL
-
ORD
1 stop7h 25m
Air Canada
Deal found 1/5C$ 411
Mon 15/63:40 p.m.
ORD
-
YUL
Nonstop2h 15m
Air Canada
Mon 22/62:30 p.m.
YUL
-
ORD
1 stop6h 46m
Air Canada
Deal found 30/4C$ 413
Sat 13/67:25 a.m.
ORD
-
YUL
1 stop5h 20m
Air Canada
Tue 16/64:30 p.m.
YUL
-
ORD
1 stop4h 46m
Air Canada
Deal found 1/5C$ 414
Sat 30/511:05 a.m.
ORD
-
YUL
Nonstop2h 11m
Air Canada
Wed 3/62:30 p.m.
YUL
-
ORD
1 stop6h 46m
Air Canada
Deal found 1/5C$ 418

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 5 May 2026.

Round-trip from

C$ 351

One-way from

C$ 182

Popular in

December

Cheapest in

February

Average price

C$ 474

Good one-way deal

C$ 310 or less
Air Canada
  • Air Canada
  • 16/6-17/6
  • 1 total stop
  • 7h 09m total
  • Chicago to Montreal
Search Deals
Air Canada
  • Air Canada
  • 20/6
  • 1 total stop
  • 5h 22m total
  • Chicago to Montreal
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 91 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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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 629,999 searches. Data last updated 5 May 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Tue 26/5

5:19 p.m.-11:13 p.m.

1 stop4h 54m

Montreal Pierre Elliott Trudeau Intl

Sat 30/5

7:00 a.m.-1:01 p.m.

1 stop7h 01m

C$ 508

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Fri 19/6

6:35 a.m.-5:45 p.m.

1 stop10h 10m

Montreal Pierre Elliott Trudeau Intl

Tue 23/6

5:07 p.m.-8:31 p.m.

1 stop4h 24m

C$ 508

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 11/6

1:46 p.m.-11:55 p.m.

1 stop9h 09m

Montreal Pierre Elliott Trudeau Intl

Sun 14/6

7:00 a.m.-2:29 p.m.

1 stop8h 29m

C$ 552

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Fri 24/7

1:44 p.m.-11:52 p.m.

1 stop9h 08m

Montreal Pierre Elliott Trudeau Intl

Sat 1/8

6:00 a.m.-1:46 p.m.

1 stop8h 46m

C$ 586

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 28/5

7:07 a.m.-5:43 p.m.

1 stop9h 36m

Montreal Pierre Elliott Trudeau Intl

Sun 31/5

7:00 a.m.-1:47 p.m.

1 stop7h 47m

C$ 590

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 11/6

6:35 a.m.-5:45 p.m.

1 stop10h 10m

Montreal Pierre Elliott Trudeau Intl

Sat 13/6

12:47 p.m.-8:31 p.m.

1 stop8h 44m

C$ 590

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 18/6

6:35 a.m.-5:45 p.m.

1 stop10h 10m

Montreal Pierre Elliott Trudeau Intl

Fri 26/6

6:00 a.m.-1:04 p.m.

1 stop8h 04m

C$ 590

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Fri 22/5

7:07 a.m.-5:43 p.m.

1 stop9h 36m

Montreal Pierre Elliott Trudeau Intl

Sun 7/6

6:00 a.m.-1:04 p.m.

1 stop8h 04m

C$ 601

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Mon 7/9

2:01 p.m.-5:30 p.m.

Nonstop2h 29m

Montreal Pierre Elliott Trudeau Intl

Mon 21/9

6:10 a.m.-7:51 a.m.

Nonstop2h 41m

C$ 658
Quickest round-trip

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Mon 3/8

2:08 p.m.-5:30 p.m.

Nonstop2h 22m

Montreal Pierre Elliott Trudeau Intl

Fri 7/8

6:10 a.m.-7:50 a.m.

Nonstop2h 40m

C$ 658

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/5

Showing 1-10 of 21 resultsSorted by cheapest first
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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?

Booking 55 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, February 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 C$ 349). Flying from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport in December is currently the most expensive (average of C$ 629). 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 5 May 2026.

When flying from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

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?

    There are many flights that can get you from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport in 4h 54m. Fly via Delta to get the fastest option. Airlines will cover a distance of 1199 km.

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

    Before booking your flight to Montreal Pierre Elliott Trudeau Intl Airport from Chicago O'Hare Intl Airport, check out the most reliable airlines to get you to your destination on time: Emirates (100%), Avianca (88%), American Airlines( 79%).

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

    Looking for the cheapest flight from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport? While on average our users pay C$ 365, our data indicates the cheapest price to be C$ 277. The most popular route (Chicago O'Hare Intl - Montreal Pierre Elliott Trudeau Intl), is priced around C$ 432.

  • 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, February 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 C$ 349). Flying from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport in December is currently the most expensive (average of C$ 629). 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

Travelling 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
Dorval
Trois-Rivières
Sherbrooke
Brossard
Montebello
Cornwall
Longueuil
Boucherville
Magog
Saint-Jean-sur-Richelieu
Bromont
Drummondville
North Hatley
Saint-Sauveur
Louiseville

Browse thousands of different options on Cheapflights for your next trip

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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

Fly with Cheapflights

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How does Cheapflights help users find flights from O'Hare Intl to Pierre Elliott Trudeau Intl?

When you search for this flight from O'Hare Intl to Pierre Elliott Trudeau Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to Pierre Elliott Trudeau Intl?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from O'Hare Intl to Pierre Elliott Trudeau Intl for you. Better yet — we are completely free to use.

Can Cheapflights find flights from O'Hare Intl to Pierre Elliott Trudeau Intl with no change fees?

Certainly. Search results for flights to Pierre Elliott Trudeau Intl from O'Hare Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from O'Hare Intl to Pierre Elliott Trudeau Intl become cheaper?

Yes, Cheapflights offers price alerts on O'Hare Intl to Pierre Elliott Trudeau Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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