$142+ Cheap flights from Canada to St. Louis (STL)
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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — STL
Mar 5 — Mar 121
1 adult, Economy
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Find cheap flights from Canada to St. Louis 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.Cheap flight deals from Canada to St. Louis
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Cheapest flights from Canada to St. LouisExplore the most affordable flight options available from Canada to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
Explore the most affordable flight options available from Canada to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/47:10 am
YYZ
- STL
1 stop16h 17m
Multiple Airlines
Mon 3/94:51 pm
STL
- YYZ
1 stop20h 29m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/47:10 am
YYZ
- STL
1 stop16h 17m
Multiple Airlines
Wed 3/1111:32 am
STL
- YYZ
2 stops34h 48m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 4/207:45 pm
YVR
- STL
2 stops33h 05m
Multiple Airlines
Sat 4/258:13 pm
STL
- YVR
1 stop16h 32m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 4/811:00 pm
YVR
- STL
1 stop9h 30m
Multiple Airlines
Sun 4/1211:21 am
STL
- YVR
1 stop25h 51m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 1/31. 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.
Tue 3/109:30 am
YVR
- STL
2 stops22h 19m
Multiple Airlines
Sun 3/158:06 pm
STL
- YVR
1 stop30h 06m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$292
This Delta deal was found by Cheapflights users on 2/2. 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.
Mon 4/207:30 pm
YVR
- STL
2 stops15h 53m
Delta
Sat 4/256:20 am
STL
- YVR
1 stop6h 30m
Delta
Deal found 2/2![Delta logo]()
$297
This Air Canada deal was found by Cheapflights users on 2/2. 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 3/59:00 am
YHZ
- STL
1 stop8h 29m
Air Canada
Wed 3/114:05 pm
STL
- YHZ
1 stop6h 46m
Air Canada
Deal found 2/2![Air Canada logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Tue 2/243:40 pm
YYZ
- STL
2 stops16h 11m
Multiple Airlines
Tue 3/104:51 pm
STL
- YYZ
1 stop17h 35m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$301
This Air Canada deal was found by Cheapflights users on 2/2. 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.
Fri 3/69:00 am
YHZ
- STL
1 stop8h 29m
Air Canada
Tue 3/104:05 pm
STL
- YHZ
1 stop6h 46m
Air Canada
Deal found 2/2![Air Canada logo]()
$310
This United Airlines deal was found by Cheapflights users on 2/3. 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 4/95:20 pm
YOW
- STL
1 stop4h 48m
United Airlines
Sat 4/117:45 am
STL
- YOW
1 stop5h 14m
United Airlines
Deal found 2/3![United Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/67:55 pm
YYZ
- STL
2 stops14h 54m
Multiple Airlines
Sun 3/86:19 pm
STL
- YYZ
1 stop11h 24m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$320
This Delta deal was found by Cheapflights users on 2/2. 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.
Thu 2/266:20 am
YVR
- STL
2 stops9h 22m
Delta
Mon 3/26:40 pm
STL
- YVR
2 stops18h 09m
Delta
Deal found 2/2![Delta logo]()
$321
Best flights from Canada to St. LouisDiscover carefully curated flight deals from Canada to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
Discover carefully curated flight deals from Canada to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/47:10 am
YYZ
- STL
1 stop16h 17m
Multiple Airlines
Mon 3/94:51 pm
STL
- YYZ
1 stop20h 29m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$236
This Delta deal was found by Cheapflights users on 2/1. 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.
Mon 4/207:23 am
YVR
- STL
2 stops15h 02m
Delta
Sat 4/256:20 am
STL
- YVR
1 stop6h 30m
Delta
Deal found 2/1![Delta logo]()
$297
This Air Canada deal was found by Cheapflights users on 2/2. 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 3/59:00 am
YHZ
- STL
1 stop8h 29m
Air Canada
Wed 3/114:05 pm
STL
- YHZ
1 stop6h 46m
Air Canada
Deal found 2/2![Air Canada logo]()
$300
This United Airlines deal was found by Cheapflights users on 2/3. 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 4/95:20 pm
YOW
- STL
1 stop4h 48m
United Airlines
Sat 4/117:45 am
STL
- YOW
1 stop5h 14m
United Airlines
Deal found 2/3![United Airlines logo]()
$318
This American Airlines deal was found by Cheapflights users on 2/2. 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 4/2012:30 pm
YUL
- STL
1 stop12h 16m
American Airlines
Sat 4/258:03 pm
STL
- YUL
1 stop14h 41m
American Airlines
Deal found 2/2![American Airlines logo]()
$352
This FlightHub deal was found by Cheapflights users on 2/2. 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 3/36:45 am
YWG
- STL
2 stops16h 38m
WestJet
Tue 3/105:25 pm
STL
- YWG
1 stop17h 36m
WestJet
Deal found 2/2![WestJet logo]()
$382
This Alaska Airlines deal was found by Cheapflights users on 1/31. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/16:09 am
YYJ
- STL
1 stop6h 14m
Alaska Airlines
Wed 3/47:00 am
STL
- YYJ
1 stop18h 43m
Alaska Airlines
Deal found 1/31![Alaska Airlines logo]()
$444
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 4/207:45 pm
YVR
- STL
2 stops33h 05m
Multiple Airlines
Sat 4/258:13 pm
STL
- YVR
1 stop16h 32m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$278
This Air Canada deal was found by Cheapflights users on 2/2. 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.
Fri 3/69:00 am
YHZ
- STL
1 stop8h 29m
Air Canada
Tue 3/104:05 pm
STL
- YHZ
1 stop6h 46m
Air Canada
Deal found 2/2![Air Canada logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 4/811:00 pm
YVR
- STL
1 stop9h 30m
Multiple Airlines
Sun 4/1211:21 am
STL
- YVR
1 stop25h 51m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$286
This Delta deal was found by Cheapflights users on 2/2. 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.
Thu 2/266:20 am
YVR
- STL
2 stops9h 22m
Delta
Mon 3/26:40 pm
STL
- YVR
2 stops18h 09m
Delta
Deal found 2/2![Delta logo]()
$321
This United Airlines deal was found by Cheapflights users on 2/2. 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 3/32:20 pm
YWG
- STL
1 stop6h 45m
United Airlines
Tue 3/106:25 am
STL
- YWG
1 stop5h 32m
United Airlines
Deal found 2/2![United Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 1/31. 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.
Tue 3/109:30 am
YVR
- STL
2 stops22h 19m
Multiple Airlines
Sun 3/158:06 pm
STL
- YVR
1 stop30h 06m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$292
This American Airlines deal was found by Cheapflights users on 2/1. 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 2/244:08 pm
YYZ
- STL
1 stop7h 56m
American Airlines
Sat 2/288:00 am
STL
- YYZ
1 stop12h 29m
American Airlines
Deal found 2/1![American Airlines logo]()
$377
This FlightHub deal was found by Cheapflights users on 2/1. 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 3/116:45 am
YWG
- STL
2 stops10h 20m
WestJet
Tue 3/176:29 am
STL
- YWG
1 stop4h 32m
WestJet
Deal found 2/1![WestJet logo]()
$383
This Delta deal was found by Cheapflights users on 2/3. 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 3/115:20 pm
YWG
- STL
1 stop6h 05m
Delta
Tue 3/176:29 am
STL
- YWG
1 stop4h 32m
Delta
Deal found 2/3![Delta logo]()
$351
This United Airlines deal was found by Cheapflights users on 2/2. 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 3/510:30 am
YHZ
- STL
2 stops12h 37m
United Airlines
Wed 3/117:00 am
STL
- YHZ
1 stop5h 17m
United Airlines
Deal found 2/2![United Airlines logo]()
$354
This Air Canada deal was found by Cheapflights users on 2/2. 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.
Sun 3/17:15 am
YOW
- STL
1 stop9h 14m
Air Canada
Wed 3/44:05 pm
STL
- YOW
1 stop6h 13m
Air Canada
Deal found 2/2![Air Canada logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Tue 2/247:10 am
YYZ
- STL
1 stop16h 17m
Multiple Airlines
Tue 3/104:51 pm
STL
- YYZ
1 stop20h 29m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$312
This Delta deal was found by Cheapflights users on 2/1. 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 3/15:19 pm
YWG
- STL
1 stop6h 04m
Delta
Wed 3/46:10 am
STL
- YWG
1 stop4h 51m
Delta
Deal found 2/1![Delta logo]()
$352
This United Airlines deal was found by Cheapflights users on 1/31. 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.
Fri 3/69:00 am
YHZ
- STL
1 stop8h 29m
United Airlines
Tue 3/107:00 pm
STL
- YHZ
2 stops17h 17m
United Airlines
Deal found 1/31![United Airlines logo]()
$362
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2811:37 am
YEG
- STL
1 stop25h 46m
Alaska Airlines
Wed 3/47:00 am
STL
- YEG
1 stop28h 47m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$451
This Air Canada deal was found by Cheapflights users on 2/3. 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 4/99:15 am
YOW
- STL
1 stop7h 09m
Air Canada
Sat 4/117:45 am
STL
- YOW
2 stops10h 49m
Air Canada
Deal found 2/3![Air Canada logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 2/287:10 am
YYZ
- STL
1 stop17h 49m
Multiple Airlines
Mon 3/94:51 pm
STL
- YYZ
1 stop20h 29m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$331
This American Airlines deal was found by Cheapflights users on 2/2. 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 3/113:45 pm
YUL
- STL
1 stop8h 59m
American Airlines
Wed 3/187:05 am
STL
- YUL
1 stop5h 40m
American Airlines
Deal found 2/2![American Airlines logo]()
$458
This Delta deal was found by Cheapflights users on 2/2. 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 5/53:45 pm
YHZ
- STL
2 stops9h 28m
Delta
Fri 5/156:40 am
STL
- YHZ
2 stops12h 45m
Delta
Deal found 2/2![Delta logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/68:00 pm
YYZ
- STL
1 stop16h 19m
Multiple Airlines
Sun 3/86:19 pm
STL
- YYZ
1 stop11h 24m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$338
This United Airlines deal was found by Cheapflights users on 2/1. 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 2/2812:05 pm
YYZ
- STL
1 stop10h 00m
United Airlines
Mon 3/94:05 pm
STL
- YYZ
Nonstop2h 01m
United Airlines
Deal found 2/1![United Airlines logo]()
$422
This Air Canada deal was found by Cheapflights users on 2/1. 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.
Sat 2/282:00 pm
YYZ
- STL
Nonstop2h 29m
Air Canada
Mon 3/94:05 pm
STL
- YYZ
Nonstop2h 01m
Air Canada
Deal found 2/1![Air Canada logo]()
$427
This FlightHub deal was found by Cheapflights users on 1/31. 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.
Fri 7/319:15 am
YYC
- STL
1 stop10h 16m
WestJet
Sun 8/99:00 am
STL
- YYC
2 stops16h 45m
WestJet
Deal found 1/31![WestJet logo]()
$543
Last-minute flights from Canada to St. LouisDiscover last-minute flight deals from Canada to St. Louis. Data last updated February 3, 2026 and is based on user searches.
Discover last-minute flight deals from Canada to St. Louis. Data last updated February 3, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Tue 2/243:40 pm
YYZ
- STL
2 stops16h 11m
Multiple Airlines
Tue 3/104:51 pm
STL
- YYZ
1 stop17h 35m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$301
This Delta deal was found by Cheapflights users on 2/2. 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.
Thu 2/266:20 am
YVR
- STL
2 stops9h 22m
Delta
Mon 3/26:40 pm
STL
- YVR
2 stops18h 09m
Delta
Deal found 2/2![Delta logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 2/288:30 pm
YYZ
- STL
2 stops35h 21m
Multiple Airlines
Mon 3/94:51 pm
STL
- YYZ
1 stop20h 29m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$325
This United Airlines deal was found by Cheapflights users on 2/2. 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 3/32:20 pm
YWG
- STL
1 stop6h 45m
United Airlines
Tue 3/106:25 am
STL
- YWG
1 stop5h 32m
United Airlines
Deal found 2/2![United Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/47:10 am
YYZ
- STL
1 stop16h 17m
Multiple Airlines
Mon 3/94:51 pm
STL
- YYZ
1 stop20h 29m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/47:10 am
YYZ
- STL
1 stop16h 17m
Multiple Airlines
Wed 3/1111:32 am
STL
- YYZ
2 stops34h 48m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$257
This Air Canada deal was found by Cheapflights users on 2/2. 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 3/59:00 am
YHZ
- STL
1 stop8h 29m
Air Canada
Wed 3/114:05 pm
STL
- YHZ
1 stop6h 46m
Air Canada
Deal found 2/2![Air Canada logo]()
$300
This United Airlines deal was found by Cheapflights users on 2/2. 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 3/510:30 am
YHZ
- STL
2 stops12h 37m
United Airlines
Wed 3/117:00 pm
STL
- YHZ
2 stops19h 14m
United Airlines
Deal found 2/2![United Airlines logo]()
$354
This Air Canada deal was found by Cheapflights users on 2/2. 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.
Fri 3/69:00 am
YHZ
- STL
1 stop8h 29m
Air Canada
Tue 3/104:05 pm
STL
- YHZ
1 stop6h 46m
Air Canada
Deal found 2/2![Air Canada logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/67:55 pm
YYZ
- STL
2 stops14h 54m
Multiple Airlines
Sun 3/86:19 pm
STL
- YYZ
1 stop11h 24m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 1/31. 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.
Tue 3/109:30 am
YVR
- STL
2 stops22h 19m
Multiple Airlines
Sun 3/158:06 pm
STL
- YVR
1 stop30h 06m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$292
This Delta deal was found by Cheapflights users on 2/2. 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 3/1111:55 am
YWG
- STL
1 stop5h 10m
Delta
Tue 3/176:29 am
STL
- YWG
1 stop4h 32m
Delta
Deal found 2/2![Delta logo]()
$352
One-way flights from Canada to St. LouisSearch for one-way flight options from Canada to St. Louis. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
Search for one-way flight options from Canada to St. Louis. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/47:10 am
YYZ
- STL
1 stop16h 17m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$142
This American Airlines deal was found by Cheapflights users on 2/3. 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 5/126:00 am
YVR
- STL
1 stop9h 21m
American Airlines
Deal found 2/3![American Airlines logo]()
$153
This Delta deal was found by Cheapflights users on 2/3. 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 5/127:41 pm
YVR
- STL
2 stops12h 46m
Delta
Deal found 2/3![Delta logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 2/237:00 am
YYZ
- STL
2 stops48h 51m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 4/88:15 pm
YYC
- STL
2 stops13h 15m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/67:55 pm
YYZ
- STL
2 stops14h 54m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/27:10 am
YYZ
- STL
2 stops48h 41m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$174
This FlightHub deal was found by Cheapflights users on 2/2. 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 3/179:00 am
YVR
- STL
2 stops24h 48m
WestJet
Deal found 2/2![WestJet logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 3/118:00 am
YYZ
- STL
3 stops36h 11m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$183
This American Airlines deal was found by Cheapflights users on 2/2. 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 4/77:15 pm
YYZ
- STL
1 stop14h 09m
American Airlines
Deal found 2/2![American Airlines logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Tue 3/173:45 pm
YVR
- STL
3 stops16h 04m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 2/183:40 pm
YYZ
- STL
2 stops40h 11m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$194
Find flight deals from Canada to St. Louis
Keep the following information in mind while searching for Canada to St. Louis flight deals. Data was last updated February 3, 2026.
Round-trip from | $236 (Kiwi.com) |
|---|---|
One-way from | $142 (Kiwi.com) |
Popular in | September |
Cheapest in | June |
Average price | $472 |
Good round-trip deal | $394 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Canada to St. Louis 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 3, 2026.
Use the filters below to find and compare flights from Canada to St. Louis that are best for you.
Fly from
Canada
Fly to
St. Louis
Route
Depart
Return
Price
TorontoSt. Louis
YYZ - STL
YYZSTL
Toronto Pearson Intl
Wed 3/4
7:10 am-10:27 pm
1 stop16h 17m
Lambert-St Louis
Mon 3/9
4:51 pm-2:20 pm
1 stop20h 29m
$236
VancouverSt. Louis
YVR - STL
YVRSTL
Vancouver Intl
Mon 4/20
7:45 pm-6:50 am
2 stops33h 05m
Lambert-St Louis
Sat 4/25
8:13 pm-10:45 am
1 stop16h 32m
$278
VancouverSt. Louis
YVR - STL
YVRSTL
Vancouver Intl
Wed 4/8
11:00 pm-10:30 am
1 stop9h 30m
Lambert-St Louis
Sun 4/12
11:21 am-11:12 am
1 stop25h 51m
$286
VancouverSt. Louis
YVR - STL
YVRSTL
Vancouver Intl
Tue 3/10
9:30 am-9:49 am
2 stops22h 19m
Lambert-St Louis
Sun 3/15
8:06 pm-12:12 am
1 stop30h 06m
$292
VancouverSt. Louis
YVR - STL
YVRSTL
Vancouver Intl
Mon 4/20
7:23 am-12:25 am
2 stops15h 02m
Lambert-St Louis
Sat 4/25
6:20 am-10:50 am
1 stop6h 30m
$297
HalifaxSt. Louis
YHZ - STL
YHZSTL
Halifax Intl
Thu 3/5
9:00 am-3:29 pm
1 stop8h 29m
Lambert-St Louis
Wed 3/11
4:05 pm-12:51 am
1 stop6h 46m
$300
HalifaxSt. Louis
YHZ - STL
YHZSTL
Halifax Intl
Fri 3/6
9:00 am-3:29 pm
1 stop8h 29m
Lambert-St Louis
Tue 3/10
4:05 pm-12:51 am
1 stop6h 46m
$310
TorontoSt. Louis
YYZ - STL
YYZSTL
Toronto Pearson Intl
Tue 2/24
7:10 am-10:27 pm
1 stop16h 17m
Lambert-St Louis
Tue 3/10
4:51 pm-2:20 pm
1 stop20h 29m
$312
OttawaSt. Louis
YOW - STL
YOWSTL
Ottawa
Thu 4/9
5:20 pm-9:08 pm
1 stop4h 48m
Lambert-St Louis
Sat 4/11
7:45 am-1:59 pm
1 stop5h 14m
$318
VancouverSt. Louis
YVR - STL
YVRSTL
Vancouver Intl
Thu 2/26
6:20 am-5:42 pm
2 stops9h 22m
Lambert-St Louis
Mon 3/2
6:40 pm-10:49 am
2 stops18h 09m
$321
Showing 1-10 of 60 results
Best time to book a flight from Canada to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Canada with our price prediction graph.
YYZ-STL
YVR-STL
YHZ-STL
YWG-STL
YYC-STL
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 Canada to St. Louis
CA0-STL
YYZ-STL
YVR-STL
YHZ-STL
YWG-STL
What is the cheapest month to book a flight from Canada to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Canada to St. Louis (average of $196). Flying from Canada to St. Louis in September is currently the most expensive (average of $344). 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 CA to STL?
Find hourly flight availability from Canada to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 3, 2026.
When flying from Canada to St. Louis, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 36% versus a flight at noon.
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated February 3, 2026.
Read reviews from past customers who have flown Alaska Airlines, Delta, and United Airlines from Canada to St. Louis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Overall
8.0
Food
7.1
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Crew
8.5
Overall
8.0
Food
7.1
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Crew
8.5
Overall
8.0
Food
7.1
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Crew
8.5
Overall
8.0
Food
7.1
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Crew
8.5
Overall
8.0
Food
7.1
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Crew
8.5
Overall
8.0
Food
7.1
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Related info for your journey
Find useful and relevant information for your journey from Canada to St. Louis. 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 St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Canada to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Canada to St. Louis
Discover the top 5 airlines that operate flights from Canada to St. Louis. 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 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$288 | Average$368 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$292 | Average$483 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$323 | Average$572 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$344 | Average$443 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$452 | Average$542 | FlexibilityNo cancel fee | On-timeN/A |