$160+ Cheap flights from Missouri to Pierre Elliott Trudeau Intl (YUL)
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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YUL
Mar 23 — Mar 301
1 adult, Economy
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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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Missouri to Pierre Elliott Trudeau Intl
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Cheapest flights from Missouri to Pierre Elliott Trudeau IntlExplore the most affordable flight options available from Missouri to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 21, 2026.
Explore the most affordable flight options available from Missouri to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 21, 2026.
This American Airlines deal was found by Cheapflights users on 2/21. 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.
Sun 4/58:00 am
STL
- YUL
1 stop5h 58m
American Airlines
Sun 4/127:29 am
YUL
- STL
1 stop6h 53m
American Airlines
Deal found 2/21![American Airlines logo]()
$238
This American Airlines deal was found by Cheapflights users on 2/18. 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.
Wed 4/16:00 am
STL
- YUL
1 stop7h 58m
American Airlines
Wed 4/812:30 pm
YUL
- STL
1 stop10h 47m
American Airlines
Deal found 2/18![American Airlines logo]()
$305
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Wed 4/298:03 pm
STL
- YUL
1 stop14h 41m
American Airlines
Sun 5/312:30 pm
YUL
- STL
1 stop10h 49m
American Airlines
Deal found 2/19![American Airlines logo]()
$316
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Mon 4/66:33 pm
STL
- YUL
1 stop16h 11m
American Airlines
Mon 4/1312:30 pm
YUL
- STL
1 stop10h 47m
American Airlines
Deal found 2/20![American Airlines logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2312:15 pm
MCI
- YUL
1 stop27h 13m
Multiple Airlines
Wed 4/296:45 am
YUL
- MCI
1 stop29h 24m
Multiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2312:15 pm
MCI
- YUL
1 stop27h 13m
Multiple Airlines
Sun 4/268:00 am
YUL
- MCI
1 stop28h 09m
Multiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2312:15 pm
MCI
- YUL
1 stop27h 13m
Multiple Airlines
Tue 4/284:35 pm
YUL
- MCI
1 stop8h 22m
Multiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2312:15 pm
MCI
- YUL
1 stop27h 13m
Multiple Airlines
Sat 5/24:35 pm
YUL
- MCI
1 stop8h 22m
Multiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$387
This American Airlines deal was found by Cheapflights users on 2/21. 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.
Wed 4/86:05 pm
SGF
- YUL
1 stop16h 39m
American Airlines
Wed 4/1512:30 pm
YUL
- SGF
1 stop11h 08m
American Airlines
Deal found 2/21![American Airlines logo]()
$398
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Mon 3/235:00 am
MCI
- YUL
1 stop9h 05m
American Airlines
Thu 3/263:45 pm
YUL
- MCI
1 stop9h 09m
American Airlines
Deal found 2/20![American Airlines logo]()
$400
This American Airlines deal was found by Cheapflights users on 2/18. 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 4/47:57 pm
MCI
- YUL
1 stop18h 01m
American Airlines
Sat 4/1112:30 pm
YUL
- MCI
1 stop11h 22m
American Airlines
Deal found 2/18![American Airlines logo]()
$403
This Mytrip deal was found by Cheapflights users on 2/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/45:45 am
MCI
- YUL
1 stop17h 45m
Multiple Airlines
Sat 4/118:05 am
YUL
- MCI
2 stops16h 48m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$405
Best flights from Missouri to Pierre Elliott Trudeau IntlDiscover carefully curated flight deals from Missouri 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 February 21, 2026.
Discover carefully curated flight deals from Missouri 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 February 21, 2026.
This American Airlines deal was found by Cheapflights users on 2/18. 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.
Wed 4/16:00 am
STL
- YUL
1 stop7h 58m
American Airlines
Wed 4/812:30 pm
YUL
- STL
1 stop10h 47m
American Airlines
Deal found 2/18![American Airlines logo]()
$305
This Mytrip deal was found by Cheapflights users on 2/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/45:45 am
MCI
- YUL
1 stop17h 45m
Multiple Airlines
Sat 4/118:05 am
YUL
- MCI
2 stops16h 48m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$405
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Mon 4/206:45 pm
MCI
- YUL
1 stop14h 55m
United Airlines
Mon 4/276:30 pm
YUL
- MCI
1 stop16h 57m
United Airlines
Deal found 2/20![United Airlines logo]()
$503
This Delta deal was found by Cheapflights users on 2/18. 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.
Wed 3/115:15 pm
STL
- YUL
1 stop14h 15m
Delta
Sun 3/159:20 am
YUL
- STL
1 stop24h 24m
Delta
Deal found 2/18![Delta logo]()
$567
This FlightHub deal was found by Cheapflights users on 2/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/176:45 am
STL
- YUL
1 stop8h 16m
WestJet
Wed 6/247:00 am
YUL
- STL
1 stop9h 58m
WestJet
Deal found 2/18![WestJet logo]()
$575
This Air Canada deal was found by Cheapflights users on 2/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/161:00 pm
STL
- YUL
Nonstop2h 35m
Air Canada
Tue 6/236:10 pm
YUL
- STL
Nonstop2h 55m
Air Canada
Deal found 2/18![Air Canada logo]()
$580
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Wed 4/298:03 pm
STL
- YUL
1 stop14h 41m
American Airlines
Sun 5/312:30 pm
YUL
- STL
1 stop10h 49m
American Airlines
Deal found 2/19![American Airlines logo]()
$316
This American Airlines deal was found by Cheapflights users on 2/18. 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 4/47:57 pm
MCI
- YUL
1 stop18h 01m
American Airlines
Sat 4/1112:30 pm
YUL
- MCI
1 stop11h 22m
American Airlines
Deal found 2/18![American Airlines logo]()
$403
This American Airlines deal was found by Cheapflights users on 2/21. 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.
Wed 4/87:34 am
SGF
- YUL
2 stops13h 03m
American Airlines
Wed 4/1512:30 pm
YUL
- SGF
1 stop11h 08m
American Airlines
Deal found 2/21![American Airlines logo]()
$407
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Tue 4/79:55 am
MCI
- YUL
1 stop8h 00m
United Airlines
Wed 4/81:20 pm
YUL
- MCI
1 stop9h 39m
United Airlines
Deal found 2/20![United Airlines logo]()
$503
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Sat 4/258:00 am
MCI
- YUL
1 stop9h 55m
United Airlines
Sun 4/266:10 am
YUL
- MCI
1 stop16h 49m
United Airlines
Deal found 2/20![United Airlines logo]()
$503
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/65:15 am
MCI
- YUL
2 stops18h 10m
Multiple Airlines
Wed 6/176:00 am
YUL
- MCI
1 stop4h 38m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$561
This FlightHub deal was found by Cheapflights users on 2/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/165:45 pm
STL
- YUL
1 stop4h 25m
WestJet
Tue 6/236:15 pm
YUL
- STL
1 stop6h 23m
WestJet
Deal found 2/18![WestJet logo]()
$575
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/65:15 am
MCI
- YUL
2 stops18h 10m
Multiple Airlines
Tue 6/167:00 am
YUL
- MCI
1 stop5h 32m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$561
This FlightHub deal was found by Cheapflights users on 2/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/35:45 pm
STL
- YUL
1 stop4h 25m
WestJet
Thu 8/66:00 am
YUL
- STL
1 stop4h 30m
WestJet
Deal found 2/18![WestJet logo]()
$578
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Mon 4/68:00 am
MCI
- YUL
1 stop9h 55m
United Airlines
Mon 4/136:30 pm
YUL
- MCI
1 stop15h 22m
United Airlines
Deal found 2/20![United Airlines logo]()
$536
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/812:15 pm
MCI
- YUL
2 stops24h 58m
Multiple Airlines
Tue 6/167:00 am
YUL
- MCI
1 stop5h 32m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$576
This American Airlines deal was found by Cheapflights users on 2/17. 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.
Fri 3/276:00 am
STL
- YUL
1 stop8h 05m
American Airlines
Sun 3/292:25 pm
YUL
- STL
1 stop19h 10m
American Airlines
Deal found 2/17![American Airlines logo]()
$530
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Wed 4/298:21 am
STL
- YUL
1 stop9h 34m
United Airlines
Sun 5/36:10 pm
YUL
- STL
Nonstop2h 55m
United Airlines
Deal found 2/20![United Airlines logo]()
$540
This FlightHub deal was found by Cheapflights users on 2/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:15 pm
MCI
- YUL
2 stops11h 50m
WestJet
Fri 9/188:00 pm
YUL
- MCI
2 stops14h 27m
WestJet
Deal found 2/17![WestJet logo]()
$626
This Mytrip deal was found by Cheapflights users on 2/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/511:26 am
MCI
- YUL
3 stops28h 04m
Multiple Airlines
Sun 3/84:35 pm
YUL
- MCI
2 stops18h 55m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$586
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Sat 4/258:00 am
COU
- YUL
1 stop9h 55m
United Airlines
Wed 4/296:10 am
YUL
- COU
1 stop5h 45m
United Airlines
Deal found 2/18![United Airlines logo]()
$596
This FlightHub deal was found by Cheapflights users on 2/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/216:05 am
SGF
- YUL
2 stops11h 15m
WestJet
Tue 6/167:00 am
YUL
- SGF
1 stop8h 53m
WestJet
Deal found 2/18![WestJet logo]()
$815
This United Airlines deal was found by Cheapflights users on 2/21. 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.
Wed 4/811:23 am
SGF
- YUL
3 stops11h 50m
United Airlines
Wed 4/156:45 am
YUL
- SGF
2 stops11h 39m
United Airlines
Deal found 2/21![United Airlines logo]()
$793
This Justfly.com deal was found by Cheapflights users on 2/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/1411:48 am
SGF
- YUL
1 stop10h 57m
WestJet
Sun 3/226:45 am
YUL
- SGF
2 stops53h 23m
WestJet
Deal found 2/19![WestJet logo]()
$999
Last-minute flights from Missouri to Pierre Elliott Trudeau IntlDiscover last-minute flight deals from Missouri to Pierre Elliott Trudeau Intl. Data last updated February 21, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Pierre Elliott Trudeau Intl. Data last updated February 21, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 2/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/511:26 am
MCI
- YUL
3 stops28h 04m
Multiple Airlines
Sun 3/84:35 pm
YUL
- MCI
2 stops18h 55m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$586
This Delta deal was found by Cheapflights users on 2/18. 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.
Wed 3/115:15 pm
STL
- YUL
1 stop14h 15m
Delta
Sun 3/159:20 am
YUL
- STL
1 stop24h 24m
Delta
Deal found 2/18![Delta logo]()
$567
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/114:51 pm
STL
- YUL
2 stops30h 41m
Multiple Airlines
Sun 3/156:45 pm
YUL
- STL
1 stop15h 20m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$584
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/148:53 pm
STL
- YUL
1 stop26h 37m
Multiple Airlines
Sun 3/226:45 am
YUL
- STL
2 stops31h 49m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$549
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/146:29 am
STL
- YUL
1 stop16h 11m
WestJet
Sun 3/226:00 am
YUL
- STL
1 stop4h 46m
WestJet
Deal found 2/19![WestJet logo]()
$585
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/146:29 am
STL
- YUL
1 stop16h 11m
WestJet
Mon 3/236:45 pm
YUL
- STL
1 stop15h 20m
WestJet
Deal found 2/17![WestJet logo]()
$586
This American Airlines deal was found by Cheapflights users on 2/19. 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 3/215:51 am
MCI
- YUL
1 stop16h 05m
American Airlines
Sun 3/293:45 pm
YUL
- MCI
1 stop17h 57m
American Airlines
Deal found 2/19![American Airlines logo]()
$527
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Mon 3/235:00 am
MCI
- YUL
1 stop9h 05m
American Airlines
Thu 3/263:45 pm
YUL
- MCI
1 stop17h 57m
American Airlines
Deal found 2/19![American Airlines logo]()
$400
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/236:04 pm
MCI
- YUL
2 stops36h 01m
Multiple Airlines
Thu 3/268:00 am
YUL
- MCI
1 stop28h 29m
Multiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$534
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2611:21 am
STL
- YUL
2 stops36h 24m
Multiple Airlines
Mon 3/3012:42 pm
YUL
- STL
1 stop6h 11m
Multiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$487
This American Airlines deal was found by Cheapflights users on 2/17. 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.
Fri 3/276:00 am
STL
- YUL
1 stop8h 05m
American Airlines
Sun 3/292:25 pm
YUL
- STL
1 stop19h 10m
American Airlines
Deal found 2/17![American Airlines logo]()
$530
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/277:47 am
STL
- YUL
1 stop15h 43m
Multiple Airlines
Sun 3/295:25 pm
YUL
- STL
2 stops14h 37m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$551
One-way flights from Missouri to Pierre Elliott Trudeau IntlSearch for one-way flight options from Missouri to Pierre Elliott Trudeau Intl. Find affordable one-way fares based on user searches. Data last updated February 21, 2026.
Search for one-way flight options from Missouri to Pierre Elliott Trudeau Intl. Find affordable one-way fares based on user searches. Data last updated February 21, 2026.
This American Airlines deal was found by Cheapflights users on 2/18. 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.
Mon 3/236:00 am
STL
- YUL
1 stop8h 05m
American Airlines
Deal found 2/18![American Airlines logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2312:16 pm
STL
- YUL
3 stops51h 14m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$165
This American Airlines deal was found by Cheapflights users on 2/17. 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.
Tue 5/57:50 pm
MCI
- YUL
1 stop14h 54m
American Airlines
Deal found 2/17![American Airlines logo]()
$183
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Mon 4/69:55 am
MCI
- YUL
1 stop8h 00m
United Airlines
Deal found 2/19![United Airlines logo]()
$250
This Delta deal was found by Cheapflights users on 2/18. 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.
Sun 5/249:30 am
STL
- YUL
1 stop8h 23m
Delta
Deal found 2/18![Delta logo]()
$265
This Air Canada deal was found by Cheapflights users on 2/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/187:25 am
STL
- YUL
1 stop6h 57m
Air Canada
Deal found 2/19![Air Canada logo]()
$277
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Sun 5/246:00 am
STL
- YUL
2 stops9h 10m
United Airlines
Deal found 2/18![United Airlines logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/189:50 am
STL
- YUL
3 stops31h 30m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$285
This Delta deal was found by Cheapflights users on 2/17. 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.
Tue 5/55:40 am
MCI
- YUL
2 stops12h 11m
Delta
Deal found 2/17![Delta logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2312:15 pm
MCI
- YUL
3 stops28h 00m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/148:12 pm
STL
- YUL
3 stops41h 53m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$295
This Delta deal was found by Cheapflights users on 2/17. 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.
Sat 3/215:42 pm
MCI
- YUL
1 stop4h 31m
Delta
Deal found 2/17![Delta logo]()
$298
Find flight deals from Missouri to Pierre Elliott Trudeau Intl
Keep the following information in mind while searching for Missouri to Pierre Elliott Trudeau Intl flight deals. Data was last updated February 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $238 (American Airlines) |
One-way from | $160 (American Airlines) |
Popular in | October |
Cheapest in | June |
Average price | $506 |
Good round-trip deal | $801 or less |
Good one-way deal | $299 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Missouri 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 2,558,603 searches. Data last updated February 21, 2026.
Use the filters below to find and compare flights from Missouri to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.
Fly from
Missouri
Fly to
Pierre Elliott Trudeau Intl
Route
Depart
Return
Price
St. LouisMontreal
STL - YUL
STLYUL
Lambert-St Louis
Wed 4/1
6:00 am-2:58 pm
1 stop7h 58m
Montreal Pierre Elliott Trudeau Intl
Wed 4/8
12:30 pm-10:17 pm
1 stop10h 47m
$305
St. LouisMontreal
STL - YUL
STLYUL
Lambert-St Louis
Wed 4/29
8:03 pm-11:44 am
1 stop14h 41m
Montreal Pierre Elliott Trudeau Intl
Sun 5/3
12:30 pm-10:19 pm
1 stop10h 49m
$316
Kansas CityMontreal
MCI - YUL
MCIYUL
Kansas City
Sat 4/4
7:57 pm-2:58 pm
1 stop18h 01m
Montreal Pierre Elliott Trudeau Intl
Sat 4/11
12:30 pm-10:52 pm
1 stop11h 22m
$403
Kansas CityMontreal
MCI - YUL
MCIYUL
Kansas City
Sat 4/4
5:45 am-12:30 am
1 stop17h 45m
Montreal Pierre Elliott Trudeau Intl
Sat 4/11
8:05 am-11:53 pm
2 stops16h 48m
$405
SpringfieldMontreal
SGF - YUL
SGFYUL
Springfield-Branson
Wed 4/8
7:34 am-9:37 pm
2 stops13h 03m
Montreal Pierre Elliott Trudeau Intl
Wed 4/15
12:30 pm-10:38 pm
1 stop11h 08m
$407
Kansas CityMontreal
MCI - YUL
MCIYUL
Kansas City
Mon 4/20
6:45 pm-10:40 am
1 stop14h 55m
Montreal Pierre Elliott Trudeau Intl
Mon 4/27
6:30 pm-10:27 am
1 stop16h 57m
$503
Kansas CityMontreal
MCI - YUL
MCIYUL
Kansas City
Tue 4/7
9:55 am-6:55 pm
1 stop8h 00m
Montreal Pierre Elliott Trudeau Intl
Wed 4/8
1:20 pm-9:59 pm
1 stop9h 39m
$503
Kansas CityMontreal
MCI - YUL
MCIYUL
Kansas City
Sat 4/25
8:00 am-6:55 pm
1 stop9h 55m
Montreal Pierre Elliott Trudeau Intl
Sun 4/26
6:10 am-9:59 pm
1 stop16h 49m
$503
St. LouisMontreal
STL - YUL
STLYUL
Lambert-St Louis
Fri 3/27
6:00 am-3:05 pm
1 stop8h 05m
Montreal Pierre Elliott Trudeau Intl
Sun 3/29
2:25 pm-8:35 am
1 stop19h 10m
$530
Kansas CityMontreal
MCI - YUL
MCIYUL
Kansas City
Mon 4/6
8:00 am-6:55 pm
1 stop9h 55m
Montreal Pierre Elliott Trudeau Intl
Mon 4/13
6:30 pm-8:52 am
1 stop15h 22m
$536
Showing 1-10 of 44 results
Best time to book a flight from Missouri to Pierre Elliott Trudeau Intl
Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl from Missouri with our price prediction graph.
STL-YUL
MCI-YUL
SGF-YUL
COU-YUL
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 Missouri to Montreal Pierre Elliott Trudeau Intl Airport
USMO-YUL
STL-YUL
MCI-YUL
SGF-YUL
COU-YUL
What is the cheapest month to book a flight from Missouri to Montreal Pierre Elliott Trudeau Intl Airport?
Currently, May is the cheapest month in which you can book a flight from Missouri to Montreal Pierre Elliott Trudeau Intl Airport (average of $150). Flying from Missouri to Montreal Pierre Elliott Trudeau Intl Airport in January is currently the most expensive (average of $642). 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.
Related info for your journey
Find useful and relevant information for your journey from Missouri 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.
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 locationsLaval
Longueuil
Brossard
Dorval
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Alternative routes for Missouri to Pierre Elliott Trudeau Intl
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Missouri and Pierre Elliott Trudeau Intl flights
Browse other Missouri and Pierre Elliott Trudeau Intl flight options. Last updated on February 21, 2026.
Other flights to Pierre Elliott Trudeau Intl
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 February 21, 2026.
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Missouri to Pierre Elliott Trudeau Intl flights
Consider these flights traveling from Missouri to Pierre Elliott Trudeau Intl.
Top 5 airlines flying from Missouri to Pierre Elliott Trudeau Intl
Discover the top 5 airlines that operate flights from Missouri 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 2,558,603 searches. Data last updated February 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$212 | Average$609 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$239 | Average$765 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$318 | Average$667 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$348 | Average$548 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$505 | Average$708 | FlexibilityNo cancel fee | On-time60% |