$152+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — STL
Sep 10 — Sep 171
Round-trip
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
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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 August 11, 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 August 11, 2026.
This Delta deal was found by Cheapflights users on 8/6. 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 9/96:00 am -
1 stop8h 47m
Fri 9/113:52 pm -
1 stop6h 34m
Deal found 8/6![Delta logo]()
$278
This Delta deal was found by Cheapflights users on 8/6. 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 10/286:00 am -
1 stop8h 43m
Fri 10/303:35 pm -
1 stop6h 58m
Deal found 8/6![Delta logo]()
$279
This American Airlines deal was found by Cheapflights users on 8/10. 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 9/301:40 pm -
1 stop8h 47m
Wed 10/75:40 am -
1 stop7h 13m
Deal found 8/10![American Airlines logo]()
$289
This United Airlines deal was found by Cheapflights users on 8/7. 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 9/2412:10 pm -
1 stop8h 20m
Sun 9/275:10 am -
1 stop6h 41m
Deal found 8/7![United Airlines logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 10/147:00 am -
1 stop25h 40m
Sun 10/1810:35 am -
1 stop25h 25m
Deal found 8/7![Multiple Airlines logo]()
$314
This United Airlines deal was found by Cheapflights users on 8/6. 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 9/2412:10 pm -
1 stop8h 20m
Sat 9/269:00 am -
2 stops13h 59m
Deal found 8/6![United Airlines logo]()
$314
This United Airlines deal was found by Cheapflights users on 8/10. 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 10/2312:10 pm -
1 stop8h 20m
Sun 11/11:40 pm -
1 stop7h 24m
Deal found 8/10![United Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 8/9. 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 9/102:20 pm -
1 stop7h 11m
Mon 9/145:30 pm -
1 stop6h 55m
Deal found 8/9![United Airlines logo]()
$318
This United Airlines deal was found by Cheapflights users on 8/6. 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 9/97:00 am -
1 stop9h 39m
Fri 9/111:36 pm -
2 stops10h 50m
Deal found 8/6![United Airlines logo]()
$320
This United Airlines deal was found by Cheapflights users on 8/8. 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 9/117:20 pm -
2 stops19h 14m
Sun 9/135:30 pm -
1 stop6h 55m
Deal found 8/8![United Airlines logo]()
$321
This United Airlines deal was found by Cheapflights users on 8/9. 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 8/267:00 am -
2 stops11h 46m
Tue 9/812:59 pm -
1 stop11h 26m
Deal found 8/9![United Airlines logo]()
$322
This Air Canada deal was found by Cheapflights users on 8/10. 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 10/21:25 am -
1 stop10h 35m
Sat 10/35:36 pm -
1 stop6h 50m
Deal found 8/10![Air Canada logo]()
$323
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 August 11, 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 August 11, 2026.
This Delta deal was found by Cheapflights users on 8/6. 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 10/286:00 am -
1 stop8h 43m
Fri 10/303:35 pm -
1 stop6h 58m
Deal found 8/6![Delta logo]()
$279
This American Airlines deal was found by Cheapflights users on 8/10. 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 9/301:40 pm -
1 stop8h 47m
Wed 10/75:40 am -
1 stop7h 13m
Deal found 8/10![American Airlines logo]()
$289
This United Airlines deal was found by Cheapflights users on 8/7. 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 9/2412:10 pm -
1 stop8h 20m
Sun 9/275:10 am -
1 stop6h 41m
Deal found 8/7![United Airlines logo]()
$308
This Air Canada deal was found by Cheapflights users on 8/7. 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.
Mon 9/216:00 am -
1 stop10h 00m
Wed 9/308:55 am -
1 stop6h 19m
Deal found 8/7![Air Canada logo]()
$353
This FlightHub deal was found by Cheapflights users on 8/6. 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 9/2512:20 am -
1 stop15h 12m
Tue 9/291:55 pm -
1 stop7h 20m
Deal found 8/6![WestJet logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 10/612:20 am -
1 stop11h 50m
Sat 10/2410:35 am -
1 stop26h 09m
Deal found 8/9![Multiple Airlines logo]()
$356
This United Airlines deal was found by Cheapflights users on 8/6. 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 9/2512:10 pm -
1 stop8h 20m
Sat 9/265:36 pm -
1 stop6h 50m
Deal found 8/6![United Airlines logo]()
$308
This United Airlines deal was found by Cheapflights users on 8/6. 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 9/2412:10 pm -
1 stop8h 20m
Sat 9/269:00 am -
2 stops13h 59m
Deal found 8/6![United Airlines logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 9/107:00 am -
1 stop15h 42m
Wed 9/166:15 am -
2 stops10h 00m
Deal found 8/10![WestJet logo]()
$355
This Delta deal was found by Cheapflights users on 8/6. 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 10/2712:33 pm -
1 stop11h 11m
Fri 10/3012:28 pm -
1 stop9h 12m
Deal found 8/6![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 8/6. 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 10/912:10 pm -
1 stop8h 20m
Tue 10/139:00 am -
1 stop7h 06m
Deal found 8/6![United Airlines logo]()
$314
This FlightHub deal was found by Cheapflights users on 8/6. 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 9/212:20 am -
1 stop8h 00m
Thu 9/106:15 am -
1 stop15h 27m
Deal found 8/6![WestJet logo]()
$357
This United Airlines deal was found by Cheapflights users on 8/8. 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 9/113:35 pm -
1 stop6h 05m
Sun 9/135:30 pm -
1 stop6h 55m
Deal found 8/8![United Airlines logo]()
$318
This FlightHub deal was found by Cheapflights users on 8/9. 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 9/410:15 am -
1 stop12h 11m
Fri 9/116:00 am -
1 stop12h 10m
Deal found 8/9![WestJet logo]()
$357
This Air Canada deal was found by Cheapflights users on 8/6. 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.
Mon 8/312:35 pm -
1 stop5h 07m
Wed 9/912:10 pm -
1 stop6h 35m
Deal found 8/6![Air Canada logo]()
$451
This United Airlines deal was found by Cheapflights users on 8/9. 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 9/102:20 pm -
1 stop7h 11m
Mon 9/145:30 pm -
1 stop6h 55m
Deal found 8/9![United Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 9/217:00 am -
2 stops12h 35m
Wed 9/231:55 pm -
1 stop7h 20m
Deal found 8/8![WestJet logo]()
$364
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 10/147:40 pm -
2 stops13h 00m
Wed 10/285:32 pm -
1 stop31h 15m
Deal found 8/9![Multiple Airlines logo]()
$506
This Air Canada deal was found by Cheapflights users on 8/10. 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 10/202:00 pm -
1 stop5h 41m
Tue 10/274:05 pm -
Nonstop2h 00m
Deal found 8/10![Air Canada logo]()
$466
This United Airlines deal was found by Cheapflights users on 8/6. 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 9/97:00 am -
1 stop9h 39m
Fri 9/111:36 pm -
2 stops10h 50m
Deal found 8/6![United Airlines logo]()
$320
This Delta deal was found by Cheapflights users on 8/6. 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 10/135:40 pm -
1 stop5h 41m
Sat 10/175:33 pm -
1 stop5h 46m
Deal found 8/6![Delta logo]()
$483
This FlightHub deal was found by Cheapflights users on 8/9. 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 10/79:00 pm -
2 stops11h 09m
Sat 10/246:00 am -
1 stop12h 10m
Deal found 8/9![WestJet logo]()
$367
This Justfly.com deal was found by Cheapflights users on 8/9. 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.
Wed 10/78:00 pm -
2 stops12h 09m
Mon 10/265:35 pm -
1 stop19h 09m
Deal found 8/9![WestJet logo]()
$367
This Air Canada deal was found by Cheapflights users on 8/8. 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.
Mon 9/149:10 am -
1 stop5h 50m
Mon 9/2112:10 pm -
Nonstop2h 31m
Deal found 8/8![Air Canada logo]()
$489
This Delta deal was found by Cheapflights users on 8/10. 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 9/227:55 am -
1 stop8h 41m
Sat 9/265:47 pm -
1 stop4h 26m
Deal found 8/10![Delta logo]()
$505
This American Airlines deal was found by Cheapflights users on 8/8. 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.
Thu 12/178:00 am -
2 stops12h 08m
Tue 1/56:56 am -
2 stops13h 43m
Deal found 8/8![American Airlines logo]()
$657
This Air Canada deal was found by Cheapflights users on 8/8. 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 10/1510:10 am -
1 stop4h 50m
Mon 10/1912:10 pm -
Nonstop2h 31m
Deal found 8/8![Air Canada logo]()
$495
This oojo deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:15 pm -
2 stops21h 08m
Wed 9/301:55 pm -
2 stops16h 15m
Deal found 8/10![WestJet logo]()
$385
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 10/141:35 pm -
1 stop10h 42m
Sun 10/1810:35 am -
2 stops29h 50m
Deal found 8/7![Multiple Airlines logo]()
$631
This Delta deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:15 am -
1 stop5h 36m
Tue 11/102:31 pm -
1 stop6h 28m
Deal found 8/7![Delta logo]()
$527
Last-minute flights from Canada to St. LouisDiscover last-minute flight deals from Canada to St. Louis. Data last updated August 11, 2026 and is based on user searches.
Discover last-minute flight deals from Canada to St. Louis. Data last updated August 11, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/9. 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 8/267:00 am -
1 stop9h 39m
Tue 9/84:46 pm -
1 stop8h 10m
Deal found 8/9![United Airlines logo]()
$322
This United Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:09 pm -
2 stops9h 31m
Sun 8/305:10 am -
1 stop6h 41m
Deal found 8/11![United Airlines logo]()
$343
This Air Canada deal was found by Cheapflights users on 8/9. 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 9/87:10 pm -
1 stop15h 30m
Sun 9/135:10 am -
1 stop6h 41m
Deal found 8/9![Air Canada logo]()
$328
This American Airlines deal was found by Cheapflights users on 8/7. 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 9/87:20 am -
1 stop10h 00m
Fri 9/117:21 am -
1 stop10h 14m
Deal found 8/7![American Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 8/6. 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 9/96:00 am -
1 stop8h 47m
Fri 9/113:52 pm -
1 stop6h 34m
Deal found 8/6![Delta logo]()
$278
This United Airlines deal was found by Cheapflights users on 8/6. 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 9/97:00 am -
1 stop9h 39m
Fri 9/111:36 pm -
2 stops10h 50m
Deal found 8/6![United Airlines logo]()
$320
This United Airlines deal was found by Cheapflights users on 8/9. 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 9/102:20 pm -
1 stop7h 11m
Mon 9/145:30 pm -
1 stop6h 55m
Deal found 8/9![United Airlines logo]()
$318
This United Airlines deal was found by Cheapflights users on 8/8. 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 9/117:20 pm -
2 stops19h 14m
Sun 9/135:30 pm -
1 stop6h 55m
Deal found 8/8![United Airlines logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 9/2110:15 am -
1 stop12h 01m
Wed 9/2311:21 am -
1 stop6h 39m
Deal found 8/8![WestJet logo]()
$353
This United Airlines deal was found by Cheapflights users on 8/7. 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 9/2412:10 pm -
1 stop8h 20m
Sun 9/275:10 am -
1 stop6h 41m
Deal found 8/7![United Airlines logo]()
$308
This United Airlines deal was found by Cheapflights users on 8/6. 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 9/2412:10 pm -
1 stop8h 20m
Sat 9/269:00 am -
2 stops13h 59m
Deal found 8/6![United Airlines logo]()
$314
This American Airlines deal was found by Cheapflights users on 8/10. 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 9/301:40 pm -
1 stop8h 47m
Wed 10/75:40 am -
1 stop7h 13m
Deal found 8/10![American Airlines logo]()
$289
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 August 11, 2026.
Search for one-way flight options from Canada to St. Louis. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.
This Air Canada deal was found by Cheapflights users on 8/9. 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 8/288:00 am -
1 stop8h 42m
Deal found 8/9![Air Canada logo]()
$152
This Air Canada deal was found by Cheapflights users on 8/10. 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 10/91:25 am -
1 stop10h 35m
Deal found 8/10![Air Canada logo]()
$157
This American Airlines deal was found by Cheapflights users on 8/10. 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 8/282:12 pm -
1 stop7h 30m
Deal found 8/10![American Airlines logo]()
$159
This Delta deal was found by Cheapflights users on 8/7. 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 9/266:00 am -
1 stop7h 12m
Deal found 8/7![Delta logo]()
$162
This Delta deal was found by Cheapflights users on 8/10. 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 9/96:00 am -
1 stop8h 47m
Deal found 8/10![Delta logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 8/6. 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.
Sun 9/277:30 am -
2 stops30h 40m
Deal found 8/6![Multiple Airlines logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 10/147:00 am -
1 stop25h 40m
Deal found 8/9![Multiple Airlines logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:40 pm -
3 stops14h 00m
Deal found 8/11![Multiple Airlines logo]()
$179
This United Airlines deal was found by Cheapflights users on 8/8. 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 9/67:00 am -
1 stop8h 59m
Deal found 8/8![United Airlines logo]()
$182
This United Airlines deal was found by Cheapflights users on 8/7. 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 9/27:00 am -
1 stop9h 39m
Deal found 8/7![United Airlines logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 9/106:30 am -
2 stops31h 40m
Deal found 8/6![Multiple Airlines logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 9/176:30 am -
2 stops31h 40m
Deal found 8/10![Multiple Airlines logo]()
$191
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 August 11, 2026.
Round-trip from | $278 (Delta) |
|---|---|
One-way from | $152 (Air Canada) |
Popular in | March |
Cheapest in | January |
Average price | $488 |
Good one-way deal | $293 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 August 11, 2026.
Use the filters below to find and compare flights from Canada to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
VancouverSt. Louis
YVR Vancouver Intl - STL Lambert-St Louis
YVRSTL
Vancouver Intl
Wed 10/28
6:00 am-4:43 pm
1 stop8h 43m
Lambert-St Louis
Fri 10/30
3:35 pm-8:33 pm
1 stop6h 58m
$279
VancouverSt. Louis
YVR Vancouver Intl - STL Lambert-St Louis
YVRSTL
Vancouver Intl
Wed 9/30
1:40 pm-12:27 am
1 stop8h 47m
Lambert-St Louis
Wed 10/7
5:40 am-10:53 am
1 stop7h 13m
$289
VancouverSt. Louis
YVR Vancouver Intl - STL Lambert-St Louis
YVRSTL
Vancouver Intl
Thu 9/24
12:10 pm-10:30 pm
1 stop8h 20m
Lambert-St Louis
Sun 9/27
5:10 am-9:51 am
1 stop6h 41m
$308
VancouverSt. Louis
YVR Vancouver Intl - STL Lambert-St Louis
YVRSTL
Vancouver Intl
Fri 9/25
12:10 pm-10:30 pm
1 stop8h 20m
Lambert-St Louis
Sat 9/26
5:36 pm-10:26 pm
1 stop6h 50m
$308
VancouverSt. Louis
YVR Vancouver Intl - STL Lambert-St Louis
YVRSTL
Vancouver Intl
Thu 9/24
12:10 pm-10:30 pm
1 stop8h 20m
Lambert-St Louis
Sat 9/26
9:00 am-8:59 pm
2 stops13h 59m
$314
VancouverSt. Louis
YVR Vancouver Intl - STL Lambert-St Louis
YVRSTL
Vancouver Intl
Fri 10/9
12:10 pm-10:30 pm
1 stop8h 20m
Lambert-St Louis
Tue 10/13
9:00 am-2:06 pm
1 stop7h 06m
$314
VancouverSt. Louis
YVR Vancouver Intl - STL Lambert-St Louis
YVRSTL
Vancouver Intl
Fri 9/11
3:35 pm-11:40 pm
1 stop6h 05m
Lambert-St Louis
Sun 9/13
5:30 pm-10:25 pm
1 stop6h 55m
$318
VancouverSt. Louis
YVR Vancouver Intl - STL Lambert-St Louis
YVRSTL
Vancouver Intl
Thu 9/10
2:20 pm-11:31 pm
1 stop7h 11m
Lambert-St Louis
Mon 9/14
5:30 pm-10:25 pm
1 stop6h 55m
$318
VancouverSt. Louis
YVR Vancouver Intl - STL Lambert-St Louis
YVRSTL
Vancouver Intl
Wed 9/9
7:00 am-6:39 pm
1 stop9h 39m
Lambert-St Louis
Fri 9/11
1:36 pm-10:26 pm
2 stops10h 50m
$320
HalifaxSt. Louis
YHZ Halifax Intl - STL Lambert-St Louis
YHZSTL
Halifax Intl
Mon 9/21
6:00 am-2:00 pm
1 stop10h 00m
Lambert-St Louis
Wed 9/30
8:55 am-5:14 pm
1 stop6h 19m
$353
Showing 1-10 of 60 resultsSorted by cheapest first
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.
YVR-STL
YYC-STL
YYZ-STL
YUL-STL
YYJ-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
YVR-STL
YYC-STL
YYZ-STL
YUL-STL
What is the cheapest month to book a flight from Canada to St. Louis?
Currently, January is the cheapest month in which you can book a flight from Canada to St. Louis (average of $421). Flying from Canada to St. Louis in April is currently the most expensive (average of $557). 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 August 11, 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 at noon, which can drop the price by up to 22% versus a flight in the afternoon.
Weekly flight availability from Canada to St. Louis
Explore weekly flight availability from Canada to St. Louis. 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 August 11, 2026.
The most flights from CA0 to STL are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).
How far ahead should I book a flight from Canada to St. Louis?
Booking 47 days in advance of your planned departure date is, on average, the best time to get cheap flights from Canada to St. Louis. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 August 11, 2026.
Read reviews from past customers who have flown Alaska Airlines,United Airlines, andWestJet 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.
Comfort
7.8
Entertainment
7.0
Food
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
LHR - SEA
Comfort
7.8
Entertainment
7.0
Food
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
LHR - SEA
Comfort
7.8
Entertainment
7.0
Food
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
LHR - SEA
Comfort
7.8
Entertainment
7.0
Food
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
LHR - SEA
Comfort
7.8
Entertainment
7.0
Food
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
LHR - SEA
Comfort
7.8
Entertainment
7.0
Food
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
LHR - SEA
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
Fairview Heights
O'Fallon
Fenton
Swansea
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Farmington
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Canada and St. Louis flights
Browse other Canada and St. Louis flight options. Last updated on August 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 11, 2026.
Canada to St. Louis flights
Consider these flights traveling from Canada to St. Louis.
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 August 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$147 | Average$439 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$256 | Average$477 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$325 | Average$505 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$344 | Average$443 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$368 | Average$440 | FlexibilityNo cancel fee | On-time71% |