$267+ Cheap flights from St. Louis (STL) to Québec City (YQB)
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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YQB
Jul 16 — Jul 231
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Québec City 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
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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 St. Louis to Québec City
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Cheapest flights from St. Louis to Québec CityExplore the most affordable flight options available from St. Louis to Québec City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2026.
Explore the most affordable flight options available from St. Louis to Québec City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2026.
This American Airlines deal was found by Cheapflights users on 6/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:07 pm
STL
- YQB
1 stop16h 08m
American Airlines
Tue 8/181:56 pm
YQB
- STL
1 stop11h 18m
American Airlines
Deal found 6/14![American Airlines logo]()
$524
This American Airlines deal was found by Cheapflights users on 6/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/32:31 pm
STL
- YQB
1 stop21h 43m
American Airlines
Tue 8/111:56 pm
YQB
- STL
1 stop23h 58m
American Airlines
Deal found 6/14![American Airlines logo]()
$573
This American Airlines deal was found by Cheapflights users on 6/12. 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 7/36:16 pm
STL
- YQB
1 stop17h 47m
American Airlines
Wed 7/81:55 pm
YQB
- STL
1 stop11h 21m
American Airlines
Deal found 6/12![American Airlines logo]()
$576
This Air Canada deal was found by Cheapflights users on 6/12. 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 9/612:10 pm
STL
- YQB
1 stop6h 31m
Air Canada
Thu 9/102:50 pm
YQB
- STL
1 stop4h 51m
Air Canada
Deal found 6/12![Air Canada logo]()
$588
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:30 am
STL
- YQB
1 stop5h 44m
American Airlines
Thu 9/171:54 pm
YQB
- STL
1 stop21h 35m
American Airlines
Deal found 6/11![American Airlines logo]()
$596
Best flights from St. Louis to Québec CityDiscover carefully curated flight deals from St. Louis to Québec City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 16, 2026.
Discover carefully curated flight deals from St. Louis to Québec City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 16, 2026.
This Air Canada deal was found by Cheapflights users on 6/13. 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.
Sun 9/612:10 pm
STL
- YQB
1 stop6h 31m
Air Canada
Thu 9/101:40 pm
YQB
- STL
2 stops7h 20m
Air Canada
Deal found 6/13![Air Canada logo]()
$598
This United deal was found by Cheapflights users on 6/12. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/246:00 am
STL
- YQB
2 stops9h 00m
Multiple Airlines
Tue 7/282:45 pm
YQB
- STL
1 stop4h 57m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$627
This United Airlines deal was found by Cheapflights users on 6/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3010:20 am
STL
- YQB
2 stops11h 21m
United Airlines
Wed 7/84:55 pm
YQB
- STL
1 stop7h 49m
United Airlines
Deal found 6/13![United Airlines logo]()
$633
This Air Canada deal was found by Cheapflights users on 6/14. 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.
Sat 8/158:55 am
STL
- YQB
1 stop6h 06m
Air Canada
Tue 8/181:05 pm
YQB
- STL
1 stop6h 37m
Air Canada
Deal found 6/14![Air Canada logo]()
$620
This United deal was found by Cheapflights users on 6/12. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/266:01 am
STL
- YQB
1 stop8h 59m
Multiple Airlines
Fri 7/315:35 am
YQB
- STL
2 stops9h 27m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$630
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 7/310:20 am
STL
- YQB
2 stops11h 21m
United Airlines
Wed 7/86:00 am
YQB
- STL
1 stop6h 41m
United Airlines
Deal found 6/11![United Airlines logo]()
$633
This Air Canada deal was found by Cheapflights users on 6/13. 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.
Sat 7/48:55 am
STL
- YQB
1 stop6h 06m
Air Canada
Fri 7/102:45 pm
YQB
- STL
1 stop4h 57m
Air Canada
Deal found 6/13![Air Canada logo]()
$620
This United deal was found by Cheapflights users on 6/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1712:59 pm
STL
- YQB
2 stops8h 42m
Multiple Airlines
Sat 8/2212:35 pm
YQB
- STL
2 stops8h 47m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$637
This United Airlines deal was found by Cheapflights users on 6/12. 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 7/246:00 am
STL
- YQB
2 stops9h 00m
United Airlines
Tue 7/286:00 am
YQB
- STL
2 stops10h 46m
United Airlines
Deal found 6/12![United Airlines logo]()
$639
Last-minute flights from St. Louis to Québec CityDiscover last-minute flight deals from St. Louis to Québec City. Data last updated June 16, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Québec City. Data last updated June 16, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 6/196:00 am
STL
- YQB
1 stop15h 41m
United Airlines
Mon 7/612:45 pm
YQB
- STL
1 stop11h 59m
United Airlines
Deal found 6/11![United Airlines logo]()
$710
This United Airlines deal was found by Cheapflights users on 6/15. 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 6/2612:23 pm
STL
- YQB
1 stop9h 18m
United Airlines
Mon 7/64:55 pm
YQB
- STL
1 stop7h 49m
United Airlines
Deal found 6/15![United Airlines logo]()
$709
This Air Canada deal was found by Cheapflights users on 6/11. 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.
Tue 6/308:40 am
STL
- YQB
1 stop6h 31m
Air Canada
Wed 7/81:05 pm
YQB
- STL
1 stop6h 37m
Air Canada
Deal found 6/11![Air Canada logo]()
$620
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 6/306:00 am
STL
- YQB
2 stops15h 41m
United Airlines
Wed 7/812:45 pm
YQB
- STL
2 stops11h 44m
United Airlines
Deal found 6/11![United Airlines logo]()
$639
This American Airlines deal was found by Cheapflights users on 6/12. 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 7/36:16 pm
STL
- YQB
1 stop17h 47m
American Airlines
Wed 7/81:55 pm
YQB
- STL
1 stop11h 21m
American Airlines
Deal found 6/12![American Airlines logo]()
$576
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 7/310:20 am
STL
- YQB
2 stops11h 21m
United Airlines
Wed 7/86:00 am
YQB
- STL
1 stop6h 41m
United Airlines
Deal found 6/11![United Airlines logo]()
$633
This United deal was found by Cheapflights users on 6/12. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/246:00 am
STL
- YQB
1 stop7h 08m
Multiple Airlines
Tue 7/282:45 pm
YQB
- STL
1 stop4h 57m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$617
This Air Canada deal was found by Cheapflights users on 6/12. 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 7/2612:10 pm
STL
- YQB
1 stop6h 31m
Air Canada
Fri 7/311:05 pm
YQB
- STL
1 stop6h 37m
Air Canada
Deal found 6/12![Air Canada logo]()
$616
This United deal was found by Cheapflights users on 6/12. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/266:01 am
STL
- YQB
1 stop8h 59m
Multiple Airlines
Fri 7/315:35 am
YQB
- STL
2 stops9h 27m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$630
One-way flights from St. Louis to Québec CitySearch for one-way flight options from St. Louis to Québec City. Find affordable one-way fares based on user searches. Data last updated June 16, 2026.
Search for one-way flight options from St. Louis to Québec City. Find affordable one-way fares based on user searches. Data last updated June 16, 2026.
This Air Canada deal was found by Cheapflights users on 6/15. 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 10/2412:10 pm
STL
- YQB
1 stop6h 36m
Air Canada
Deal found 6/15![Air Canada logo]()
$267
This American Airlines deal was found by Cheapflights users on 6/12. 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 9/167:21 am
STL
- YQB
1 stop5h 32m
American Airlines
Deal found 6/12![American Airlines logo]()
$269
This Air Canada deal was found by Cheapflights users on 6/11. 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.
Fri 8/1412:10 pm
STL
- YQB
1 stop6h 31m
Air Canada
Deal found 6/11![Air Canada logo]()
$281
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/148:07 pm
STL
- YQB
1 stop16h 08m
American Airlines
Deal found 6/11![American Airlines logo]()
$283
This United Airlines deal was found by Cheapflights users on 6/11. 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 8/266:00 am
STL
- YQB
2 stops9h 12m
United Airlines
Deal found 6/11![United Airlines logo]()
$288
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 8/141:36 pm
STL
- YQB
2 stops24h 32m
United Airlines
Deal found 6/11![United Airlines logo]()
$294
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:18 pm
STL
- YQB
2 stops19h 29m
American Airlines
Deal found 6/11![American Airlines logo]()
$313
This United Airlines deal was found by Cheapflights users on 6/12. 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 9/165:10 am
STL
- YQB
2 stops9h 50m
United Airlines
Deal found 6/12![United Airlines logo]()
$316
This United Airlines deal was found by Cheapflights users on 6/15. 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 10/2411:35 am
STL
- YQB
2 stops10h 06m
United Airlines
Deal found 6/15![United Airlines logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Fri 8/218:21 pm
STL
- YQB
3 stops43h 29m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$363
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 9/1610:35 am
STL
- YQB
3 stops26h 52m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$368
Find flight deals from St. Louis to Québec City
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Québec City (YQB). 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 June 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $524 (American Airlines) |
One-way from | $267 (Air Canada) |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Québec City 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 June 16, 2026.
Use the filters below to find and compare flights from St. Louis to Québec City that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisQuébec City
STL - YQB
STLYQB
Lambert-St Louis
Sun 9/6
12:10 pm-7:41 pm
1 stop6h 31m
Québec City
Thu 9/10
1:40 pm-8:00 pm
2 stops7h 20m
$598
St. LouisQuébec City
STL - YQB
STLYQB
Lambert-St Louis
Sat 8/15
8:55 am-4:01 pm
1 stop6h 06m
Québec City
Tue 8/18
1:05 pm-6:42 pm
1 stop6h 37m
$620
Quickest round-trip
St. LouisQuébec City
STL - YQB
STLYQB
Lambert-St Louis
Sat 7/4
8:55 am-4:01 pm
1 stop6h 06m
Québec City
Fri 7/10
2:45 pm-6:42 pm
1 stop4h 57m
$620
St. LouisQuébec City
STL - YQB
STLYQB
Lambert-St Louis
Fri 7/24
6:00 am-4:00 pm
2 stops9h 00m
Québec City
Tue 7/28
2:45 pm-6:42 pm
1 stop4h 57m
$627
St. LouisQuébec City
STL - YQB
STLYQB
Lambert-St Louis
Sun 7/26
6:01 am-4:00 pm
1 stop8h 59m
Québec City
Fri 7/31
5:35 am-2:02 pm
2 stops9h 27m
$630
St. LouisQuébec City
STL - YQB
STLYQB
Lambert-St Louis
Tue 6/30
10:20 am-10:41 pm
2 stops11h 21m
Québec City
Wed 7/8
4:55 pm-11:44 pm
1 stop7h 49m
$633
St. LouisQuébec City
STL - YQB
STLYQB
Lambert-St Louis
Fri 7/3
10:20 am-10:41 pm
2 stops11h 21m
Québec City
Wed 7/8
6:00 am-11:41 am
1 stop6h 41m
$633
St. LouisQuébec City
STL - YQB
STLYQB
Lambert-St Louis
Mon 8/17
12:59 pm-10:41 pm
2 stops8h 42m
Québec City
Sat 8/22
12:35 pm-8:22 pm
2 stops8h 47m
$637
St. LouisQuébec City
STL - YQB
STLYQB
Lambert-St Louis
Fri 7/24
6:00 am-4:00 pm
2 stops9h 00m
Québec City
Tue 7/28
6:00 am-3:46 pm
2 stops10h 46m
$639
Cheapest one-way
Quickest one-way
St. LouisQuébec City
STL - YQB
STLYQB
Lambert-St Louis
Wed 8/26
6:00 am-1:12 pm
1 stop6h 12m
$283
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from St. Louis to Québec City
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Québec City in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Québec City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Québec City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Québec City flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Québec City 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-Québec City 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 Québec City
Have a flexible travel schedule? Discover the best time to fly to Québec City from St. Louis with our price prediction graph.
STL-YQB
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 St. Louis to Québec City
What’s the top layover airport for flights from St. Louis to Québec City?
Share of 1-stop round-trip flights from St. Louis to Québec City chosen by Cheapflights users in the past 12 months, using the same layover each way.
Chicago (ORD) – chosen by Cheapflights users on 50% of 1-stop itineraries from St. Louis to Québec City on Cheapflights.
What’s the cheapest layover airport for flights from St. Louis to Québec City?
Average round-trip fare for 1-stop flights from St. Louis to Québec City, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Chicago (ORD) is the most affordable 1-stop option, with an average round-trip price of $701.
What’s the fastest layover option from St. Louis to Québec City?
Shortest average travel time for 1-stop one-way flights from St. Louis to Québec City, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Newark (EWR) have the shortest average one-way travel time for 1-stop routes: 5h 02m.
Which airport typically offers the quickest layover for flights from St. Louis to Québec City?
Average layover duration for 1-stop one-way flights from St. Louis to Québec City, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Newark (EWR) offer the fastest connection on this route, with an average layover time of 1h 50m.
Reviews of airlines servicing Québec City
Get insights into the airlines that provide service to Québec City. 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 Québec City. Reviews last updated June 16, 2026.
Peruse reviews from past customers who have flown with Air Canada from St. Louis to Québec City to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.3
Overall
7.1
Entertainment
6.8
Boarding
7.3
Comfort
7.1
Crew
7.8
Reviews
1 / 20
4.0
OkayAnonymous,May 2026
YYJ - YUL
Food
6.3
Overall
7.1
Entertainment
6.8
Boarding
7.3
Comfort
7.1
Crew
7.8
Reviews
1 / 20
4.0
OkayAnonymous,May 2026
YYJ - YUL
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Québec City. 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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St. Louis and Québec City flights
Browse other St. Louis and Québec City flight options. Last updated on June 16, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on June 16, 2026.
Popular flight searches
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Other flights to Québec City
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Top airline flying from St. Louis to Québec City
Discover the top airline that operate flights from St. Louis to Québec City. 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 June 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$356 | Average$828 | FlexibilityNo cancel fee | On-time67% |