$395+ Cheap flights from St. Louis (STL) to Windsor, ON (YQG)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YQG
Oct 15 — Oct 221
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Windsor 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 St. Louis to Windsor
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to WindsorExplore the most affordable flight options available from St. Louis to Windsor. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
Explore the most affordable flight options available from St. Louis to Windsor. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
This Air Canada deal was found by Cheapflights users on 9/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:30 am -
2 stops10h 15m
Mon 11/27:20 pm -
2 stops17h 50m
Deal found 9/11![Air Canada logo]()
$990
This Air Canada deal was found by Cheapflights users on 9/14. 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 9/247:01 pm -
2 stops13h 21m
Mon 9/287:45 pm -
2 stops17h 28m
Deal found 9/14![Air Canada logo]()
$1,240
Best flights from St. Louis to WindsorDiscover carefully curated flight deals from St. Louis to Windsor that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
Discover carefully curated flight deals from St. Louis to Windsor that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
This Air Canada deal was found by Cheapflights users on 9/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/264:05 pm -
1 stop16h 50m
Mon 11/27:20 pm -
2 stops17h 50m
Deal found 9/11![Air Canada logo]()
$1,108
Last-minute flights from St. Louis to WindsorDiscover last-minute flight deals from St. Louis to Windsor. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Windsor. Data last updated September 15, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 9/14. 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 9/247:01 pm -
2 stops13h 21m
Mon 9/287:45 pm -
2 stops17h 28m
Deal found 9/14![Air Canada logo]()
$1,240
This Air Canada deal was found by Cheapflights users on 9/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:30 am -
2 stops10h 15m
Mon 11/27:20 pm -
2 stops17h 50m
Deal found 9/11![Air Canada logo]()
$990
One-way flights from St. Louis to WindsorSearch for one-way flight options from St. Louis to Windsor. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
Search for one-way flight options from St. Louis to Windsor. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:35 pm -
3 stops44h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$395
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Tue 10/207:02 am -
3 stops31h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$478
This Air Canada deal was found by Cheapflights users on 9/10. 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 10/203:11 pm -
2 stops17h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Air Canada logo]()
$486
This Air Canada deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:01 pm -
2 stops13h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Air Canada logo]()
$492
Find flight deals from St. Louis to Windsor
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Windsor (YQG). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $990 (Air Canada) |
One-way from | $395 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Windsor 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 7,457,451 searches. Data last updated September 15, 2026.
Use the filters below to find and compare flights from St. Louis to Windsor that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisWindsor
STL Lambert-St Louis - YQG Windsor
STLYQG
Lambert-St Louis
Fri 10/16
6:35 pm-3:46 pm
3 stops44h 11m
Windsor
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$395
St. LouisWindsor
STL Lambert-St Louis - YQG Windsor
STLYQG
Lambert-St Louis
Tue 10/20
3:11 pm-9:22 am
2 stops17h 11m
Windsor
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$486
Quickest round-trip
St. LouisWindsor
STL Lambert-St Louis - YQG Windsor
STLYQG
Lambert-St Louis
Fri 10/16
7:01 pm-9:22 am
2 stops13h 21m
Windsor
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$492
St. LouisWindsor
STL Lambert-St Louis - YQG Windsor
STLYQG
Lambert-St Louis
Mon 10/26
4:05 pm-9:55 am
1 stop16h 50m
Windsor
Mon 11/2
7:20 pm-12:10 pm
2 stops17h 50m
$1,108
Sorted by cheapest first
- Most accurate provider: When it comes to deals on St. Louis-Windsor, Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Windsor, Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Windsor, Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Windsor, Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Windsor, Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from St. Louis to Windsor
Have a flexible travel schedule? Discover the best time to fly to Windsor from St. Louis with our price prediction graph.
STL-YQG
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.
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Windsor. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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