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Cheap flights from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport from C$ 148

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 20/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YUL
17 Jun — 24 Jun1
1 adult

Cheapflights Tip: The best prices from Chicago O'Hare Intl to Montreal Pierre Elliott Trudeau Intl are usually found in September or October, booked 45 days in advance, depart on a Thursday or Monday and return on a Thursday

Cheap 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 12 June 2025.

Round-trip from

C$ 371

One-way from

C$ 148

Popular in

December

Cheapest in

September

Average price

C$ 629

Good round-trip deal

C$ 157 or less

Good one-way deal

C$ 257 or less
Air Canada
  • Air Canada
  • 7/8-11/8
  • 2 total stops
  • 11h 15m total
  • Chicago to Montreal
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Air Canada
  • Air Canada
  • 20/8
  • Nonstop
  • 2h 18m total
  • Chicago to Montreal
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Highest demand for flights based on searches. 5% potential increase in price (C$ 46 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease (C$ 38 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Chicago O'Hare Intl to Montreal Pierre Elliott Trudeau Intl.
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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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Find 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 12 June 2025.

Sun 27/78:40 a.m.ORD - YUL
Nonstop2h 18mAir Canada
Sun 3/85:00 a.m.YUL - ORD
1 stop5h 09mAir Canada
Deal found 12/6C$ 371
Tue 22/78:25 p.m.ORD - YUL
1 stop12h 20mAmerican Airlines
Wed 23/712:30 p.m.YUL - ORD
Nonstop2h 35mAmerican Airlines
Deal found 11/6C$ 372
Thu 11/96:00 a.m.ORD - YUL
1 stop10h 04mDelta
Mon 15/97:00 a.m.YUL - ORD
1 stop10h 38mDelta
Deal found 11/6C$ 383
Sun 7/98:12 p.m.ORD - YUL
2 stops15h 18mMultiple Airlines
Thu 11/96:35 p.m.YUL - ORD
1 stop5h 35mMultiple Airlines
Deal found 11/6C$ 450
Mon 14/72:07 p.m.ORD - YUL
Nonstop2h 19mUnited Airlines
Sat 19/79:45 a.m.YUL - ORD
Nonstop2h 39mUnited Airlines
Deal found 10/6C$ 484

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 12 June 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

O'Hare Intl

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 7/8

8:25 p.m.-1:51 a.m.

1 stop4h 26m

Montreal Pierre Elliott Trudeau Intl

Mon 11/8

9:15 a.m.-3:04 p.m.

1 stop6h 49m

C$ 371

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Tue 15/7

7:45 p.m.-12:20 p.m.

1 stop15h 35m

Montreal Pierre Elliott Trudeau Intl

Wed 16/7

2:35 p.m.-11:57 p.m.

1 stop10h 22m

C$ 372

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 16/10

6:00 a.m.-5:04 p.m.

1 stop10h 04m

Montreal Pierre Elliott Trudeau Intl

Sun 19/10

6:00 a.m.-12:39 p.m.

1 stop7h 39m

C$ 383

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sun 7/9

8:12 p.m.-12:30 p.m.

2 stops15h 18m

Montreal Pierre Elliott Trudeau Intl

Thu 11/9

6:35 p.m.-11:10 p.m.

1 stop5h 35m

C$ 450

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Mon 14/7

2:07 p.m.-5:26 p.m.

Nonstop2h 19m

Montreal Pierre Elliott Trudeau Intl

Thu 24/7

4:55 p.m.-6:46 p.m.

Nonstop2h 51m

C$ 484

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Mon 1/9

11:05 a.m.-11:08 p.m.

1 stop11h 03m

Montreal Pierre Elliott Trudeau Intl

Wed 10/9

6:45 a.m.-4:26 p.m.

2 stops10h 41m

C$ 584

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Wed 20/8

8:40 a.m.-11:58 a.m.

Nonstop2h 18m

C$ 148

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Wed 30/7

8:20 a.m.-11:40 a.m.

Nonstop2h 20m

C$ 167

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 22/11

1:16 p.m.-11:53 p.m.

1 stop9h 37m

C$ 174

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Tue 1/7

9:28 p.m.-12:25 p.m.

1 stop13h 57m

C$ 176

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

Showing 1-10 of 14 results
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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?

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 9 June 2025.

Booking 45 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, October 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$ 241). Flying from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport in April is currently the most expensive (average of C$ 316). 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 12 June 2025.

It’s typically best to fly out from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport at noon. Doing so could potentially save you 49% on the flight price compared to flying in the afternoon, which is usually more expensive.

Weekly flight availability from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport

Explore weekly flight availability from O'Hare Intl to Pierre Elliott Trudeau Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 12 June 2025.

The most flights from ORD to YUL are scheduled on a Wednesday (28 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (18 on average).

Rainfall in Pierre Elliott Trudeau Intl by month

Plan your trip to Pierre Elliott Trudeau Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Montreal Pierre Elliott Trudeau Intl Airport ranges from 64.0 - 111.0 mm per month. August is typically the wettest month, when rainfall can reach 111.0 mm. February is typically the driest time to visit Montreal Pierre Elliott Trudeau Intl Airport when rainfall is around 64.0 mm.

Temperature in Pierre Elliott Trudeau Intl by month

Plan your trip to Pierre Elliott Trudeau Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Montreal Pierre Elliott Trudeau Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -9.0 C).

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 12 June 2025.
See what other customers who have flown with Japan Airlines, Delta and United Airlines from Chicago to Montreal have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,490 reviews
Check prices

Food

7.7

Entertainment

7.8

Boarding

8.4

Overall

8.3

Comfort

8.2

Crew

8.7

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

DFW - NRT

This flight was operated by American Airlines. The food was barely tolerable. Mid flight sandwich was ice cold, could not be bothered to warm it up. Staff did not seem to like their jobs very much. Too many seats packed in to maximize profit. A true “cattle car” experience. Subsequent flight from Tokyo to HCMC was on Japan Airlines which was excellent. No comparison between JAL and AA. Unfortunately that’s just the way service is in America nowadays.
Japan Airlines
8.3
Very good
1,490 reviews
Japan Airlines
8.3
Very good
1,490 reviews
Check prices

Food

7.7

Entertainment

7.8

Boarding

8.4

Overall

8.3

Comfort

8.2

Crew

8.7

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

DFW - NRT

This flight was operated by American Airlines. The food was barely tolerable. Mid flight sandwich was ice cold, could not be bothered to warm it up. Staff did not seem to like their jobs very much. Too many seats packed in to maximize profit. A true “cattle car” experience. Subsequent flight from Tokyo to HCMC was on Japan Airlines which was excellent. No comparison between JAL and AA. Unfortunately that’s just the way service is in America nowadays.
Delta
8.0
Very good
7,946 reviews
Japan Airlines
8.3
Very good
1,490 reviews
Check prices

Food

7.7

Entertainment

7.8

Boarding

8.4

Overall

8.3

Comfort

8.2

Crew

8.7

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

DFW - NRT

This flight was operated by American Airlines. The food was barely tolerable. Mid flight sandwich was ice cold, could not be bothered to warm it up. Staff did not seem to like their jobs very much. Too many seats packed in to maximize profit. A true “cattle car” experience. Subsequent flight from Tokyo to HCMC was on Japan Airlines which was excellent. No comparison between JAL and AA. Unfortunately that’s just the way service is in America nowadays.
United Airlines
7.4
Good
8,790 reviews
Japan Airlines
8.3
Very good
1,490 reviews
Check prices

Food

7.7

Entertainment

7.8

Boarding

8.4

Overall

8.3

Comfort

8.2

Crew

8.7

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

DFW - NRT

This flight was operated by American Airlines. The food was barely tolerable. Mid flight sandwich was ice cold, could not be bothered to warm it up. Staff did not seem to like their jobs very much. Too many seats packed in to maximize profit. A true “cattle car” experience. Subsequent flight from Tokyo to HCMC was on Japan Airlines which was excellent. No comparison between JAL and AA. Unfortunately that’s just the way service is in America nowadays.
American Airlines
7.2
Good
10,000 reviews
Japan Airlines
8.3
Very good
1,490 reviews
Check prices

Food

7.7

Entertainment

7.8

Boarding

8.4

Overall

8.3

Comfort

8.2

Crew

8.7

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

DFW - NRT

This flight was operated by American Airlines. The food was barely tolerable. Mid flight sandwich was ice cold, could not be bothered to warm it up. Staff did not seem to like their jobs very much. Too many seats packed in to maximize profit. A true “cattle car” experience. Subsequent flight from Tokyo to HCMC was on Japan Airlines which was excellent. No comparison between JAL and AA. Unfortunately that’s just the way service is in America nowadays.
WestJet
7.2
Good
2,868 reviews
Japan Airlines
8.3
Very good
1,490 reviews
Check prices

Food

7.7

Entertainment

7.8

Boarding

8.4

Overall

8.3

Comfort

8.2

Crew

8.7

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

DFW - NRT

This flight was operated by American Airlines. The food was barely tolerable. Mid flight sandwich was ice cold, could not be bothered to warm it up. Staff did not seem to like their jobs very much. Too many seats packed in to maximize profit. A true “cattle car” experience. Subsequent flight from Tokyo to HCMC was on Japan Airlines which was excellent. No comparison between JAL and AA. Unfortunately that’s just the way service is in America nowadays.

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.

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

    According to our current data, Air Canada (C$ 371), American Airlines (C$ 372), and Delta (C$ 383) offers the cheapest pricing from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport. These flights start at 33% lower than the current average price 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?

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at C$ 148. American Airlines flights start at C$ 167 while deals on Delta start at C$ 174 one-way.

  • 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: Republic Airways (91%), Emirates (91%), Copa Airlines( 91%).

  • 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$ 340, our data indicates the cheapest price to be C$ 133. The most popular route (Chicago O'Hare Intl - Montreal Pierre Elliott Trudeau Intl), is priced around C$ 261.

  • 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, October 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$ 241). Flying from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport in April is currently the most expensive (average of C$ 316). 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 Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Laval
Longueuil
Cornwall
Dorval
Brossard
Montebello
Drummondville
Trois-Rivières
Sherbrooke
Saint-Jean-sur-Richelieu
Boucherville
Saint-Sauveur
Bromont

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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 airline flying from O'Hare Intl to Pierre Elliott Trudeau Intl

Discover the top airline 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 629,999 searches. Data last updated 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 302AverageC$ 676FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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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.

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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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