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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport from C$ 237

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 21/1. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — ORD
28 Dec — 4 Jan1
1 adult

The best prices from Montreal Pierre Elliott Trudeau Intl to Chicago O'Hare Intl are usually found in February or March, booked 36 days in advance, depart on a Wednesday or Saturday and return on a Tuesday

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

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to O'Hare Intl (ORD). 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 23 December 2024.

Round-trip from

C$ 414

One-way from

C$ 237

Popular in

January

Cheapest in

February

Average price

C$ 617
5/2-12/2
  • 5/2-12/2
  • 3 total stops
  • 23h 53m total
  • Montreal to Chicago
21/1
  • 21/1
  • 1 total stop
  • 29h 18m total
  • Montreal to Chicago
High demand for flights, 6% potential price rise
Best time to find cheap flights, 3% potential price drop
Average for round-trip flights in December 2024

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

Cheapest flights from Pierre Elliott Trudeau Intl to O'Hare Intl
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 December 2024.

Mon 30/123:55 p.m.YUL - ORD
1 stop20h 09mMultiple Airlines
Tue 7/11:24 p.m.ORD - YUL
2 stops8h 21mMultiple Airlines
Deal found 22/12C$ 733
Mon 30/126:00 a.m.YUL - ORD
Nonstop3h 05mUnited Airlines
Mon 30/126:25 p.m.ORD - YUL
1 stop13h 10mUnited Airlines
Deal found 21/12C$ 841
Thu 26/122:29 p.m.YUL - ORD
1 stop10h 08mAmerican Airlines
Thu 30/16:30 a.m.ORD - YUL
1 stop7h 55mAmerican Airlines
Deal found 22/12C$ 860
Thu 26/126:15 p.m.YUL - ORD
1 stop4h 58mAir Canada
Thu 30/17:20 a.m.ORD - YUL
Nonstop2h 12mAir Canada
Deal found 22/12C$ 869
Fri 27/121:00 p.m.YUL - ORD
1 stop8h 59mWestJet
Thu 2/15:30 p.m.ORD - YUL
1 stop4h 39mWestJet
Deal found 23/12C$ 1,064
Mon 23/121:00 p.m.YUL - ORD
1 stop4h 40mDelta
Mon 30/125:40 a.m.ORD - YUL
1 stop9h 56mDelta
Deal found 22/12C$ 1,119

Find flights from Pierre Elliott Trudeau Intl to O'Hare Intl within your budget

Customize your flight search to find flights from Pierre Elliott Trudeau Intl to O'Hare 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 23 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Wed 5/2

6:45 a.m.-8:13 p.m.

2 stops14h 28m

Chicago O'Hare Intl

Wed 12/2

7:10 a.m.-5:35 p.m.

1 stop9h 25m

C$ 414

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 11/1

7:30 a.m.-1:29 p.m.

2 stops6h 59m

Chicago O'Hare Intl

Sun 12/1

7:22 a.m.-4:50 p.m.

1 stop8h 28m

C$ 456

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 13/2

8:50 a.m.-12:59 p.m.

1 stop5h 09m

Chicago O'Hare Intl

Sun 16/2

5:58 p.m.-9:17 p.m.

Nonstop2h 19m

C$ 518

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 30/1

11:20 a.m.-7:59 p.m.

1 stop9h 39m

Chicago O'Hare Intl

Mon 3/2

12:35 p.m.-9:03 p.m.

1 stop7h 28m

C$ 536

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 16/1

4:45 p.m.-6:50 p.m.

Nonstop3h 05m

Chicago O'Hare Intl

Sun 19/1

2:01 p.m.-5:19 p.m.

Nonstop2h 18m

C$ 548

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 22/3

12:48 p.m.-4:15 p.m.

1 stop4h 27m

Chicago O'Hare Intl

Sat 5/4

5:00 p.m.-4:00 p.m.

1 stop22h 00m

C$ 620

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 16/1

6:00 a.m.-8:05 a.m.

Nonstop3h 05m

Chicago O'Hare Intl

Sun 19/1

3:51 p.m.-3:15 p.m.

3 stops22h 24m

C$ 634

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sun 26/1

6:35 p.m.-10:17 a.m.

1 stop16h 42m

C$ 243

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 20/3

8:50 a.m.-12:56 p.m.

1 stop5h 06m

C$ 295

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Tue 25/2

11:20 a.m.-7:55 p.m.

1 stop9h 35m

C$ 301

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/12

Showing 1-10 of 13 results
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Best time to book a flight from Pierre Elliott Trudeau Intl to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Pierre Elliott Trudeau 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.

Travel insights for flights from Pierre Elliott Trudeau Intl to O'Hare Intl

Get recent, data-driven insights about flights from Pierre Elliott Trudeau Intl to O'Hare Intl including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Pierre Elliott Trudeau Intl to O'Hare Intl. Price data was last updated on 20 December 2024.

Booking 36 days in advance of your planned departure date is, on average, the best time to get cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare 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 Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport?

Currently, January is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport (average of C$ 261). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport in March is currently the most expensive (average of C$ 355). 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 YUL to ORD?

Find hourly flight availability from Pierre Elliott Trudeau Intl to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 December 2024.

It’s optimal to fly from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport in the morning. By choosing this option you can save up to 28% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Pierre Elliott Trudeau Intl to O'Hare Intl. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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

Explore weekly flight availability from Pierre Elliott Trudeau Intl to O'Hare 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 23 December 2024.

The most flights from YUL to ORD are scheduled on a Saturday (17 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (16 on average).

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 43.0 - 125.0 mm per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 43.0 mm.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare 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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare 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 O'Hare Intl. Reviews last updated 23 December 2024.
See what other customers who have flown with Air Canada, Delta and United Airlines from Montreal to Chicago have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
8,588 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very good
8,588 reviews
8.0
Very good
8,588 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.8
Good
282 reviews
8.0
Very good
8,588 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.4
Good
9,020 reviews
8.0
Very good
8,588 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.3
Good
2,816 reviews
8.0
Very good
8,588 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.2
Good
10,000 reviews
8.0
Very good
8,588 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl to O'Hare 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 Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport round-trip?

    Currently priced at C$ 522, United Airlines will fly you from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and Delta - these airlines can fly you to your destination from C$ 523 and C$ 536, respectively. United Airlines is priced at 8% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare 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$ 295. Delta flights start at C$ 318 while deals on United Airlines start at C$ 321 one-way.

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

    The top 3 most reliable airlines when flying from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport are SkyWest Airlines (100%), ANA (98%) and Qatar Airways (95%).

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

    Looking for the cheapest flight from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport? While on average our users pay C$ 1,545, our data indicates the cheapest price to be C$ 231. The most popular route (Montreal Pierre Elliott Trudeau Intl - Chicago O'Hare Intl), is priced around C$ 398.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to O'Hare 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 Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport (average of C$ 261). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport in March is currently the most expensive (average of C$ 355). 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

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

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Pierre Elliott Trudeau Intl to O'Hare Intl

Discover the top 6 airlines that operate flights from Pierre Elliott Trudeau Intl to O'Hare 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 23 December 2024.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 330AverageC$ 504FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 370AverageC$ 598FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 371AverageC$ 419FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 372AverageC$ 520FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 395AverageC$ 522FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 459AverageC$ 621FlexibilityNo cancel feeOn-time60%
Search WestJet flights

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

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