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$153+ Cheap flights from Pierre Elliott Trudeau Intl (YUL) to O'Hare Intl (ORD)
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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — ORD
Jun 18 — Jun 251
1 adult, Economy
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Find cheap flights from Pierre Elliott Trudeau Intl to O'Hare Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to Chicago O'Hare Intl are usually found in September or June, booked 83 days in advance, depart on a Thursday or Saturday 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 June 13, 2025.
Round-trip from | $229 (Expedia) |
|---|---|
One-way from | $153 (Booking.com) |
Popular in | January |
Cheapest in | September |
Average price | $352 |
Good round-trip deal | $369 or less |
Good one-way deal | $208 or less |
Find flight deals from Pierre Elliott Trudeau Intl to O'Hare Intl
Cheapest flights from Pierre Elliott Trudeau Intl to O'Hare IntlExplore 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 June 13, 2025.
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 June 13, 2025.
This Expedia deal was found by Cheapflights users on 6/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/168:10 amYUL - ORD
1 stop5h 41mAir Canada
Sun 11/237:20 amORD - YUL
Nonstop2h 12mAir Canada
Deal found 6/12![Air Canada logo]()
$229
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Sat 8/307:50 amYUL - ORD
1 stop10h 30mAmerican Airlines
Tue 9/26:00 amORD - YUL
1 stop9h 56mAmerican Airlines
Deal found 6/12![American Airlines logo]()
$232
This Delta deal was found by Cheapflights users on 6/13. 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.
Fri 9/511:00 amYUL - ORD
1 stop8h 02mDelta
Mon 9/82:00 pmORD - YUL
1 stop8h 08mDelta
Deal found 6/13![Delta logo]()
$237
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 7/176:15 amYUL - ORD
Nonstop2h 44mUnited Airlines
Tue 7/222:07 pmORD - YUL
Nonstop2h 19mUnited Airlines
Deal found 6/11![United Airlines logo]()
$291
This United deal was found by Cheapflights users on 6/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/176:15 amYUL - ORD
Nonstop2h 44mMultiple Airlines
Mon 7/218:40 amORD - YUL
Nonstop2h 18mMultiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$293
This oojo deal was found by Cheapflights users on 6/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/306:45 amYUL - ORD
2 stops13h 34mWestJet
Tue 9/26:10 amORD - YUL
1 stop16h 06mWestJet
Deal found 6/11![WestJet logo]()
$355
Cheapflights Fare Finder
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 2,558,603 searches. Data last updated June 13, 2025.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport that are best for you.
Fly from
Pierre Elliott Trudeau Intl
Fly to
O'Hare Intl
Route
Depart
Return
Price
MontrealChicago
YUL - ORD
YULORD
Montreal Pierre Elliott Trudeau Intl
Sun 11/16
8:10 am-12:51 pm
1 stop5h 41m
Chicago O'Hare Intl
Sun 11/23
7:20 am-10:32 am
Nonstop2h 12m
$229
MontrealChicago
YUL - ORD
YULORD
Montreal Pierre Elliott Trudeau Intl
Sat 8/30
7:50 am-5:20 pm
1 stop10h 30m
Chicago O'Hare Intl
Tue 9/2
6:00 am-4:56 pm
1 stop9h 56m
$232
MontrealChicago
YUL - ORD
YULORD
Montreal Pierre Elliott Trudeau Intl
Fri 9/5
11:00 am-6:02 pm
1 stop8h 02m
Chicago O'Hare Intl
Mon 9/8
2:00 pm-11:08 pm
1 stop8h 08m
$237
MontrealChicago
YUL - ORD
YULORD
Montreal Pierre Elliott Trudeau Intl
Thu 7/17
6:15 am-7:59 am
Nonstop2h 44m
Chicago O'Hare Intl
Tue 7/22
2:07 pm-5:26 pm
Nonstop2h 19m
$291
MontrealChicago
YUL - ORD
YULORD
Montreal Pierre Elliott Trudeau Intl
Thu 7/17
6:15 am-7:59 am
Nonstop2h 44m
Chicago O'Hare Intl
Mon 7/21
8:40 am-11:58 am
Nonstop2h 18m
$293
MontrealChicago
YUL - ORD
YULORD
Montreal Pierre Elliott Trudeau Intl
Sat 8/30
6:45 am-7:19 pm
2 stops13h 34m
Chicago O'Hare Intl
Tue 9/2
6:10 am-11:16 pm
1 stop16h 06m
$355
MontrealChicago
YUL - ORD
YULORD
Montreal Pierre Elliott Trudeau Intl
Sat 7/12
10:15 am-3:04 pm
1 stop5h 49m
$153
MontrealChicago
YUL - ORD
YULORD
Montreal Pierre Elliott Trudeau Intl
Wed 7/9
5:29 pm-7:04 pm
Nonstop2h 35m
$159
MontrealChicago
YUL - ORD
YULORD
Montreal Pierre Elliott Trudeau Intl
Sat 6/28
6:20 am-3:03 pm
1 stop9h 43m
$166
MontrealChicago
YUL - ORD
YULORD
Montreal Pierre Elliott Trudeau Intl
Sun 8/17
9:45 am-11:24 am
Nonstop2h 39m
$172
Showing 1-10 of 12 results
The best insider tips for Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport flights
Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport trip
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.
Cheapflights Insights
Everything you need to know about your flight from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport
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 June 9, 2025.
The best time to book flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport is 83 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport?
Currently, August 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 $245). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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 June 13, 2025.
It’s optimal to fly from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport in the afternoon. By choosing this option you can save up to 2% 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 June 8, 2025.
Travelers seeking maximum savings on their Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday 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 June 13, 2025.
The most flights from YUL to ORD are scheduled on a Wednesday (31 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (23 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 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.
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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).
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 June 13, 2025.
Read through reviews of airlines operating flights from Montreal to Chicago, such as Delta, United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Food
7.3
Crew
8.5
Entertainment
7.9
Boarding
8.2
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Overall
8.0
Food
7.3
Crew
8.5
Entertainment
7.9
Boarding
8.2
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Overall
8.0
Food
7.3
Crew
8.5
Entertainment
7.9
Boarding
8.2
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Overall
8.0
Food
7.3
Crew
8.5
Entertainment
7.9
Boarding
8.2
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Overall
8.0
Food
7.3
Crew
8.5
Entertainment
7.9
Boarding
8.2
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Overall
8.0
Food
7.3
Crew
8.5
Entertainment
7.9
Boarding
8.2
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
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.
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 locationsSchaumburg
Hoffman Estates
Rosemont
Beloit
Elgin
Racine
Skokie
Arlington Heights
Rockford
Naperville
Orland Park
Elk Grove Village
Tinley Park
Northbrook
Joliet
Merrillville
Bridgeview
Glenview
Des Plaines
Lake Geneva
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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 4 airlines flying from Pierre Elliott Trudeau Intl to O'Hare Intl
Discover the top 4 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 2,558,603 searches. Data last updated June 13, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$112 | Average$534 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$240 | Average$462 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$275 | Average$388 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$334 | Average$354 | FlexibilityNo cancel fee | On-time60% |