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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport from C$ 207

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 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — ORD
25 feb. — 4 mar.1
1 adult

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

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 20 febrero 2025.

Round-trip from

C$ 368

One-way from

C$ 207

Popular in

January

Cheapest in

September

Average price

C$ 528

Good round-trip deal

C$ 503 or less

Good one-way deal

C$ 266 or less
Air Canada
  • Air Canada
  • 17/4-20/4
  • 1 total stop
  • 7h 16m total
  • Montreal to Chicago
18/3
  • 18/3
  • 2 total stops
  • 17h 34m total
  • Montreal to Chicago
Highest demand for flights based on searches. 7% potential increase in price (C$ 67 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease (C$ 25 potential savings vs. average RT price).
Average for round-trip flights in February 2025
Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to Chicago O'Hare Intl.
Price to beat on a one-way flight from Montreal Pierre Elliott Trudeau Intl to Chicago O'Hare Intl.

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 20 febrero 2025.

sáb. 15/33:30 p.m.YUL - ORD
1 stop9h 26mMultiple Airlines
mié. 19/35:55 a.m.ORD - YUL
3 stops33h 50mMultiple Airlines
Deal found 19/2C$ 368
vie. 21/38:50 a.m.YUL - ORD
1 stop5h 06mAir Canada
lun. 24/38:30 p.m.ORD - YUL
1 stop4h 23mAir Canada
Deal found 19/2C$ 369
jue. 24/49:45 a.m.YUL - ORD
Nonstop2h 47mLufthansa
dom. 27/47:20 a.m.ORD - YUL
Nonstop2h 16mLufthansa
Deal found 19/2C$ 371
jue. 24/48:30 a.m.YUL - ORD
1 stop5h 45mUnited Airlines
dom. 27/47:20 a.m.ORD - YUL
Nonstop2h 16mUnited Airlines
Deal found 19/2C$ 372
sáb. 5/412:30 p.m.YUL - ORD
Nonstop2h 35mAmerican Airlines
lun. 7/48:30 p.m.ORD - YUL
1 stop12h 20mAmerican Airlines
Deal found 19/2C$ 415
sáb. 17/56:00 a.m.YUL - ORD
1 stop4h 24mDelta
mié. 21/55:50 a.m.ORD - YUL
1 stop10h 19mDelta
Deal found 19/2C$ 432
sáb. 8/37:14 a.m.YUL - ORD
1 stop6h 01mBritish Airways
sáb. 29/35:11 p.m.ORD - YUL
1 stop4h 34mBritish Airways
Deal found 20/2C$ 452
vie. 21/31:30 p.m.YUL - ORD
2 stops9h 17mWestJet
lun. 24/36:15 p.m.ORD - YUL
1 stop4h 11mWestJet
Deal found 19/2C$ 490

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 20 febrero 2025.

Fly from

Pierre Elliott Trudeau Intl

Fly to

O'Hare Intl

Route

Depart

Return

Price

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

sáb. 15/3

3:30 p.m.-11:56 p.m.

1 stop9h 26m

Chicago O'Hare Intl

mié. 19/3

5:55 a.m.-4:45 p.m.

3 stops33h 50m

C$ 368

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

vie. 21/3

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

1 stop5h 06m

Chicago O'Hare Intl

lun. 24/3

8:30 p.m.-1:53 a.m.

1 stop4h 23m

C$ 369

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

jue. 24/4

9:45 a.m.-11:32 a.m.

Nonstop2h 47m

Chicago O'Hare Intl

dom. 27/4

7:20 a.m.-10:36 a.m.

Nonstop2h 16m

C$ 371

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

jue. 24/4

8:30 a.m.-1:15 p.m.

1 stop5h 45m

Chicago O'Hare Intl

dom. 27/4

7:20 a.m.-10:36 a.m.

Nonstop2h 16m

C$ 372

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

sáb. 5/4

12:30 p.m.-2:05 p.m.

Nonstop2h 35m

Chicago O'Hare Intl

lun. 7/4

8:30 p.m.-9:50 a.m.

1 stop12h 20m

C$ 415

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

sáb. 17/5

6:00 a.m.-9:24 a.m.

1 stop4h 24m

Chicago O'Hare Intl

mié. 21/5

5:50 a.m.-5:09 p.m.

1 stop10h 19m

C$ 432

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

sáb. 8/3

7:14 a.m.-12:15 p.m.

1 stop6h 01m

Chicago O'Hare Intl

sáb. 29/3

5:11 p.m.-10:45 p.m.

1 stop4h 34m

C$ 452

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

vie. 21/3

1:30 p.m.-9:47 p.m.

2 stops9h 17m

Chicago O'Hare Intl

lun. 24/3

6:15 p.m.-11:26 p.m.

1 stop4h 11m

C$ 490

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

mar. 18/3

6:35 p.m.-11:09 a.m.

2 stops17h 34m

C$ 207

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

mar. 22/4

6:15 a.m.-8:02 a.m.

Nonstop2h 47m

C$ 213

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/2

Showing 1-10 of 14 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 14 February 2025.

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 20 febrero 2025.

It’s optimal to fly from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport in the evening. By choosing this option you can save up to 40% on the cost of your flight, compared to a flight in the morning.

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 February 2025.

Travelers seeking maximum savings on their Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport flight should consider departing on Tuesday evenings when fares are most often at their lowest. Monday at noon 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 20 febrero 2025.

The most flights from YUL to ORD are scheduled on a Wednesday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 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 20 febrero 2025.
See what other customers who have flown with Delta, United Airlines and American 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.

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

8.0
Very good

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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$ 368, Air Canada will fly you from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from C$ 385 and C$ 392, respectively. Air Canada is priced at 35% 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 United Airlines, which is currently one of the cheapest options available, starting at C$ 213. Air Canada flights start at C$ 217 while deals on Delta start at C$ 237 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 ANA (87%), Avianca (86%) and Copa Airlines (79%).

  • 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$ 1,765, our data indicates the cheapest price to be C$ 185. The most popular route (Montreal Pierre Elliott Trudeau Intl - Chicago O'Hare Intl), is priced around C$ 349.

  • 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

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
Elk Grove Village
Evanston
Downers Grove
Skokie
Naperville
Bolingbrook
Romeoville

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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 20 febrero 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 343AverageC$ 498FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 366AverageC$ 489FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 368AverageC$ 513FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 372AverageC$ 589FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 390AverageC$ 515FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 453AverageC$ 613FlexibilityNo cancel feeOn-time60%
Search WestJet flights

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

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Pierre Elliott Trudeau Intl to O'Hare Intl, users can toggle the no change fees filter when performing a flight search.

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

Not ready to book yet? You can track prices for flights from Pierre Elliott Trudeau Intl to O'Hare Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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