Cheap flights from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport from C$ 96
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 26/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YUL
22 Jan — 29 Jan1
Round-trip
1 adult
Economy
Round-trip
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 September or January, booked 45 days in advance, depart on a Friday or Monday 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 23 December 2025.
Wed 31/1211:23 a.m.ORD - YUL
1 stop12h 07mMultiple Airlines
Tue 6/15:25 p.m.YUL - ORD
2 stops21h 56mMultiple Airlines
Deal found 21/12C$ 750
Tue 30/126:50 a.m.ORD - YUL
2 stops40h 40mMultiple Airlines
Wed 7/14:35 p.m.YUL - ORD
1 stop27h 42mMultiple Airlines
Deal found 21/12C$ 752
Tue 30/125:52 p.m.ORD - YUL
Nonstop2h 25mUnited Airlines
Wed 7/14:45 p.m.YUL - ORD
Nonstop3h 06mUnited Airlines
Deal found 21/12C$ 763
Wed 31/121:24 p.m.ORD - YUL
1 stop5h 24mUnited Airlines
Wed 7/14:45 p.m.YUL - ORD
Nonstop3h 06mUnited Airlines
Deal found 21/12C$ 775
Wed 31/1212:50 p.m.ORD - YUL
Nonstop2h 07mAir Canada
Tue 6/110:10 a.m.YUL - ORD
1 stop6h 00mAir Canada
Deal found 21/12C$ 778
Tue 30/125:52 p.m.ORD - YUL
Nonstop2h 25mUnited Airlines
Tue 6/19:15 a.m.YUL - ORD
1 stop6h 10mUnited Airlines
Deal found 21/12C$ 783
Tue 30/127:01 p.m.ORD - YUL
1 stop28h 29mMultiple Airlines
Tue 6/15:25 p.m.YUL - ORD
2 stops21h 56mMultiple Airlines
Deal found 21/12C$ 786
Tue 30/122:00 p.m.ORD - YUL
1 stop4h 22mAir Canada
Tue 6/110:10 a.m.YUL - ORD
1 stop6h 00mAir Canada
Deal found 21/12C$ 794
Sun 28/122:00 p.m.ORD - YUL
2 stops5h 50mAir Canada
Mon 5/11:10 p.m.YUL - ORD
1 stop7h 30mAir Canada
Deal found 21/12C$ 801
Wed 31/1212:50 p.m.ORD - YUL
Nonstop2h 07mAir Canada
Mon 5/11:10 p.m.YUL - ORD
1 stop7h 30mAir Canada
Deal found 21/12C$ 805
Tue 30/122:00 p.m.ORD - YUL
1 stop4h 22mAir Canada
Mon 5/17:00 a.m.YUL - ORD
1 stop7h 01mAir Canada
Deal found 21/12C$ 821
Best flights from O'Hare Intl to Pierre Elliott Trudeau Intl
Discover carefully curated flight deals from O'Hare Intl to Pierre Elliott Trudeau Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 23 December 2025.
Fri 20/26:15 a.m.ORD - YUL
1 stop6h 25mDelta
Tue 24/26:00 a.m.YUL - ORD
1 stop8h 20mDelta
Deal found 20/12C$ 326
Sat 14/26:15 a.m.ORD - YUL
1 stop6h 25mDelta
Sun 15/26:00 a.m.YUL - ORD
1 stop4h 41mDelta
Deal found 21/12C$ 326
Thu 12/26:45 a.m.ORD - YUL
1 stop9h 08mDelta
Sun 15/26:00 a.m.YUL - ORD
1 stop8h 20mDelta
Deal found 21/12C$ 326
Wed 18/25:25 a.m.ORD - YUL
1 stop10h 28mDelta
Wed 25/26:00 a.m.YUL - ORD
1 stop4h 41mDelta
Deal found 20/12C$ 326
Sun 22/25:37 p.m.ORD - YUL
1 stop4h 33mDelta
Wed 25/26:00 a.m.YUL - ORD
1 stop4h 41mDelta
Deal found 20/12C$ 326
Fri 20/26:15 a.m.ORD - YUL
1 stop6h 25mDelta
Thu 26/22:29 p.m.YUL - ORD
1 stop7h 10mDelta
Deal found 20/12C$ 394
Mon 16/26:45 a.m.ORD - YUL
1 stop9h 08mDelta
Tue 3/36:00 a.m.YUL - ORD
1 stop4h 41mDelta
Deal found 19/12C$ 421
Thu 19/26:15 a.m.ORD - YUL
1 stop6h 25mDelta
Fri 6/32:29 p.m.YUL - ORD
1 stop7h 10mDelta
Deal found 19/12C$ 421
Thu 19/26:00 a.m.ORD - YUL
1 stop6h 36mDelta
Sun 8/34:45 p.m.YUL - ORD
1 stop4h 39mDelta
Deal found 19/12C$ 421
Sun 22/25:37 p.m.ORD - YUL
1 stop4h 33mDelta
Thu 5/32:40 p.m.YUL - ORD
1 stop8h 01mDelta
Deal found 19/12C$ 421
Direct flights from O'Hare Intl to Pierre Elliott Trudeau Intl
Explore direct flight options from O'Hare Intl to Pierre Elliott Trudeau Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 23 December 2025.
Tue 17/27:15 a.m.ORD - YUL
Nonstop2h 05mAir Canada
Sat 21/21:10 p.m.YUL - ORD
Nonstop2h 45mAir Canada
Deal found 22/12C$ 264
Sat 14/212:50 p.m.ORD - YUL
Nonstop2h 11mAir Canada
Sun 15/26:00 a.m.YUL - ORD
Nonstop3h 00mAir Canada
Deal found 20/12C$ 351
Fri 20/26:00 p.m.ORD - YUL
Nonstop2h 17mAir Canada
Tue 24/26:25 p.m.YUL - ORD
Nonstop2h 45mAir Canada
Deal found 20/12C$ 369
Mon 16/27:15 a.m.ORD - YUL
Nonstop2h 05mAir Canada
Mon 16/39:25 a.m.YUL - ORD
Nonstop2h 53mAir Canada
Deal found 21/12C$ 373
Wed 4/27:15 a.m.ORD - YUL
Nonstop2h 05mAir Canada
Mon 9/26:25 p.m.YUL - ORD
Nonstop2h 45mAir Canada
Deal found 21/12C$ 385
Sun 22/212:50 p.m.ORD - YUL
Nonstop2h 11mAir Canada
Thu 26/26:25 p.m.YUL - ORD
Nonstop2h 45mAir Canada
Deal found 20/12C$ 387
Sat 21/212:50 p.m.ORD - YUL
Nonstop2h 11mAir Canada
Sun 22/29:25 a.m.YUL - ORD
Nonstop2h 41mAir Canada
Deal found 22/12C$ 394
Sat 7/212:50 p.m.ORD - YUL
Nonstop2h 11mAir Canada
Sun 8/29:25 a.m.YUL - ORD
Nonstop2h 41mAir Canada
Deal found 19/12C$ 395
Mon 19/112:50 p.m.ORD - YUL
Nonstop2h 11mAir Canada
Mon 26/16:25 p.m.YUL - ORD
Nonstop2h 45mAir Canada
Deal found 20/12C$ 409
Thu 19/211:46 a.m.ORD - YUL
Nonstop2h 19mAmerican Airlines
Sun 22/23:55 p.m.YUL - ORD
Nonstop3h 00mAmerican Airlines
Deal found 21/12C$ 410
Last-minute flights from O'Hare Intl to Pierre Elliott Trudeau Intl
Discover last-minute flight deals from O'Hare Intl to Pierre Elliott Trudeau Intl. Data last updated 23 December 2025 and is based on user searches.
Sun 28/122:00 p.m.ORD - YUL
2 stops5h 50mAir Canada
Mon 5/11:10 p.m.YUL - ORD
1 stop7h 30mAir Canada
Deal found 21/12C$ 801
Tue 30/126:50 a.m.ORD - YUL
2 stops40h 40mMultiple Airlines
Wed 7/14:35 p.m.YUL - ORD
1 stop27h 42mMultiple Airlines
Deal found 21/12C$ 752
Tue 30/125:52 p.m.ORD - YUL
Nonstop2h 25mUnited Airlines
Wed 7/14:45 p.m.YUL - ORD
Nonstop3h 06mUnited Airlines
Deal found 21/12C$ 763
Tue 30/127:01 p.m.ORD - YUL
1 stop28h 29mMultiple Airlines
Tue 6/15:25 p.m.YUL - ORD
2 stops21h 56mMultiple Airlines
Deal found 21/12C$ 786
Tue 30/1210:00 a.m.ORD - YUL
1 stop4h 23mAir Canada
Tue 6/18:00 a.m.YUL - ORD
1 stop6h 01mAir Canada
Deal found 21/12C$ 794
Tue 30/121:24 p.m.ORD - YUL
1 stop5h 24mUnited Airlines
Tue 6/19:15 a.m.YUL - ORD
1 stop6h 10mUnited Airlines
Deal found 21/12C$ 797
Wed 31/1211:23 a.m.ORD - YUL
1 stop12h 07mMultiple Airlines
Tue 6/15:25 p.m.YUL - ORD
2 stops21h 56mMultiple Airlines
Deal found 21/12C$ 750
Wed 31/121:24 p.m.ORD - YUL
1 stop5h 24mUnited Airlines
Wed 7/14:45 p.m.YUL - ORD
Nonstop3h 06mUnited Airlines
Deal found 21/12C$ 775
Wed 31/1212:50 p.m.ORD - YUL
Nonstop2h 07mAir Canada
Tue 6/18:00 a.m.YUL - ORD
1 stop6h 01mAir Canada
Deal found 22/12C$ 778
Wed 31/1212:50 p.m.ORD - YUL
Nonstop2h 07mAir Canada
Mon 5/11:10 p.m.YUL - ORD
1 stop7h 30mAir Canada
Deal found 21/12C$ 805
Thu 1/19:34 a.m.ORD - YUL
1 stop5h 51mMultiple Airlines
Tue 6/15:25 p.m.YUL - ORD
2 stops21h 56mMultiple Airlines
Deal found 21/12C$ 739
One-way flights from O'Hare Intl to Pierre Elliott Trudeau Intl
Search for one-way flight options from O'Hare Intl to Pierre Elliott Trudeau Intl. Find affordable one-way fares based on user searches. Data last updated 23 December 2025.
Thu 26/211:46 a.m.ORD - YUL
Nonstop2h 19mAmerican Airlines
Deal found 21/12C$ 96
Thu 19/26:40 a.m.ORD - YUL
1 stop7h 44mAmerican Airlines
Deal found 20/12C$ 109
Fri 20/24:53 p.m.ORD - YUL
1 stop21h 31mAmerican Airlines
Deal found 21/12C$ 117
Thu 5/26:05 a.m.ORD - YUL
1 stop6h 40mAmerican Airlines
Deal found 22/12C$ 121
Wed 18/22:46 p.m.ORD - YUL
1 stop7h 59mDelta
Deal found 21/12C$ 123
Wed 21/15:32 p.m.ORD - YUL
2 stops54h 11mMultiple Airlines
Deal found 19/12C$ 136
Tue 20/17:20 a.m.ORD - YUL
2 stops40h 23mMultiple Airlines
Deal found 19/12C$ 143
Fri 20/26:00 p.m.ORD - YUL
Nonstop2h 17mAir Canada
Deal found 21/12C$ 147
Thu 22/17:21 p.m.ORD - YUL
1 stop18h 33mMultiple Airlines
Deal found 21/12C$ 151
Mon 23/23:50 p.m.ORD - YUL
2 stops24h 10mMultiple Airlines
Deal found 21/12C$ 164
Thu 15/18:43 p.m.ORD - YUL
1 stop18h 39mMultiple Airlines
Deal found 20/12C$ 167
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 23 December 2025.
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 23 December 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
Fri 20/2
6:15 a.m.-1:40 p.m.
1 stop6h 25m
Montreal Pierre Elliott Trudeau Intl
Tue 24/2
6:00 a.m.-1:20 p.m.
1 stop8h 20m
C$ 326
ChicagoMontreal
ORD - YUL
ORDYUL
Chicago O'Hare Intl
Sat 14/2
6:15 a.m.-1:40 p.m.
1 stop6h 25m
Montreal Pierre Elliott Trudeau Intl
Sun 15/2
6:00 a.m.-9:41 a.m.
1 stop4h 41m
C$ 326
ChicagoMontreal
ORD - YUL
ORDYUL
Chicago O'Hare Intl
Thu 12/2
6:45 a.m.-4:53 p.m.
1 stop9h 08m
Montreal Pierre Elliott Trudeau Intl
Sun 15/2
6:00 a.m.-1:20 p.m.
1 stop8h 20m
C$ 326
ChicagoMontreal
ORD - YUL
ORDYUL
Chicago O'Hare Intl
Wed 18/2
5:25 a.m.-4:53 p.m.
1 stop10h 28m
Montreal Pierre Elliott Trudeau Intl
Wed 25/2
6:00 a.m.-9:41 a.m.
1 stop4h 41m
C$ 326
ChicagoMontreal
ORD - YUL
ORDYUL
Chicago O'Hare Intl
Sun 22/2
5:37 p.m.-11:10 p.m.
1 stop4h 33m
Montreal Pierre Elliott Trudeau Intl
Wed 25/2
6:00 a.m.-9:41 a.m.
1 stop4h 41m
C$ 326
ChicagoMontreal
ORD - YUL
ORDYUL
Chicago O'Hare Intl
Fri 20/2
6:15 a.m.-1:40 p.m.
1 stop6h 25m
Montreal Pierre Elliott Trudeau Intl
Thu 26/2
2:29 p.m.-8:39 p.m.
1 stop7h 10m
C$ 394
ChicagoMontreal
ORD - YUL
ORDYUL
Chicago O'Hare Intl
Mon 16/2
6:45 a.m.-4:53 p.m.
1 stop9h 08m
Montreal Pierre Elliott Trudeau Intl
Tue 3/3
6:00 a.m.-9:41 a.m.
1 stop4h 41m
C$ 421
ChicagoMontreal
ORD - YUL
ORDYUL
Chicago O'Hare Intl
Thu 19/2
6:15 a.m.-1:40 p.m.
1 stop6h 25m
Montreal Pierre Elliott Trudeau Intl
Fri 6/3
2:29 p.m.-8:39 p.m.
1 stop7h 10m
C$ 421
ChicagoMontreal
ORD - YUL
ORDYUL
Chicago O'Hare Intl
Thu 19/2
6:00 a.m.-1:36 p.m.
1 stop6h 36m
Montreal Pierre Elliott Trudeau Intl
Sun 8/3
4:45 p.m.-8:24 p.m.
1 stop4h 39m
C$ 421
ChicagoMontreal
ORD - YUL
ORDYUL
Chicago O'Hare Intl
Sun 22/2
5:37 p.m.-11:10 p.m.
1 stop4h 33m
Montreal Pierre Elliott Trudeau Intl
Thu 5/3
2:40 p.m.-9:41 p.m.
1 stop8h 01m
C$ 421
Flights are sorted by cheapest round-trip flights first.
Deals found on 21/12
Showing 1-10 of 20 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
Prices
Airlines
Delays
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 19 December 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, April 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$ 142). Flying from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of C$ 390). 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 23 December 2025.
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.
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 23 December 2025.
The most flights from ORD to YUL are scheduled on a Tuesday (22 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (17 on average).
How often are flights from Chicago to Montreal delayed?
About 15% of weekly flights between Chicago and Montreal have experienced delays in the past year, with the average delay time being 135 minutes.
What is the most punctual flight time for Chicago to Montreal flights?
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Chicago to Montreal flights?
Over the past year, American Airlines has had the lowest number of delays on this route, with just 12% of flights being delayed.
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 23 December 2025.
Read through reviews of airlines operating flights from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport, such as Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Business class cabin was *freezing*. Landing was so hard it injured my back - no apology or explanation given
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 6h 25m. Fly via Delta to get the fastest option. Airlines will cover a distance of 1199 km.
What is the cheapest airline to fly from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport round-trip?
According to our current data, Air Canada (C$ 304), offers the cheapest pricing from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport. This flight start at 42% lower than the current average price 3 months from now.
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 (80%), Porter Airlines (79%), Japan Airlines( 76%).
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$ 641, our data indicates the cheapest price to be C$ 125. The most popular route (Chicago O'Hare Intl - Montreal Pierre Elliott Trudeau Intl), is priced around C$ 263.
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, April 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$ 142). Flying from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of C$ 390). 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.
Search flights from O'Hare Intl to Pierre Elliott Trudeau Intl by cabin class
Find flights from O'Hare Intl to Pierre Elliott Trudeau Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Browse through other flights departing from O'Hare Intl. Flights are based on user searches made on Cheapflights and were last updated on 23 December 2025.
Explore flights to Pierre Elliott Trudeau Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 23 December 2025.
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 23 December 2025.
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
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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