$258+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YQB
Jul 6 — Jul 131
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
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 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 6, 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 6, 2026.
This American Airlines deal was found by Cheapflights users on 6/4. 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 8/108:07 pm
STL
- YQB
1 stop16h 08m
American Airlines
Wed 8/121:56 pm
YQB
- STL
1 stop11h 18m
American Airlines
Deal found 6/4![American Airlines logo]()
$581
This American Airlines deal was found by Cheapflights users on 6/1. 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 6/305:03 pm
STL
- YQB
1 stop19h 13m
American Airlines
Wed 7/81:55 pm
YQB
- STL
1 stop11h 21m
American Airlines
Deal found 6/1![American Airlines logo]()
$596
This American Airlines deal was found by Cheapflights users on 6/3. 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 8/118:07 pm
STL
- YQB
1 stop16h 08m
American Airlines
Wed 8/123:56 pm
YQB
- STL
1 stop8h 38m
American Airlines
Deal found 6/3![American Airlines logo]()
$617
This American Airlines deal was found by Cheapflights users on 6/3. 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 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 6/3![American Airlines logo]()
$622
This American Airlines deal was found by Cheapflights users on 6/1. 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.
Wed 7/18:14 pm
STL
- YQB
1 stop16h 00m
American Airlines
Wed 7/81:55 pm
YQB
- STL
1 stop11h 21m
American Airlines
Deal found 6/1![American Airlines logo]()
$624
This American Airlines deal was found by Cheapflights users on 6/3. 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.
Wed 8/54:54 pm
STL
- YQB
1 stop19h 21m
American Airlines
Tue 8/181:56 pm
YQB
- STL
1 stop19h 27m
American Airlines
Deal found 6/3![American Airlines logo]()
$643
This American Airlines deal was found by Cheapflights users on 6/1. 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.
Fri 7/36:55 am
STL
- YQB
1 stop5h 19m
American Airlines
Wed 7/81:55 pm
YQB
- STL
1 stop11h 21m
American Airlines
Deal found 6/1![American Airlines logo]()
$644
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 6, 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 6, 2026.
This American Airlines deal was found by Cheapflights users on 6/3. 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.
Fri 8/75:42 pm
STL
- YQB
1 stop18h 30m
American Airlines
Wed 8/121:56 pm
YQB
- STL
1 stop11h 18m
American Airlines
Deal found 6/3![American Airlines logo]()
$672
This United Airlines deal was found by Cheapflights users on 6/4. 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 9/66:55 am
STL
- YQB
1 stop14h 46m
United Airlines
Thu 9/104:55 pm
YQB
- STL
1 stop7h 43m
United Airlines
Deal found 6/4![United Airlines logo]()
$723
This American Airlines deal was found by Cheapflights users on 6/2. 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.
Thu 7/27:58 pm
STL
- YQB
1 stop16h 16m
American Airlines
Wed 7/81:55 pm
YQB
- STL
1 stop11h 21m
American Airlines
Deal found 6/2![American Airlines logo]()
$672
This United Airlines deal was found by Cheapflights users on 6/1. 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.
Tue 9/157:00 am
STL
- YQB
1 stop8h 00m
United Airlines
Sun 9/204:55 pm
YQB
- STL
1 stop7h 43m
United Airlines
Deal found 6/1![United Airlines logo]()
$729
This American Airlines deal was found by Cheapflights users on 6/5. 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 8/146:00 am
STL
- YQB
1 stop8h 16m
American Airlines
Mon 8/171:56 pm
YQB
- STL
1 stop19h 27m
American Airlines
Deal found 6/5![American Airlines logo]()
$694
This United Airlines deal was found by Cheapflights users on 6/1. 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.
Mon 9/147:00 am
STL
- YQB
1 stop14h 41m
United Airlines
Mon 9/214:55 pm
YQB
- STL
1 stop7h 43m
United Airlines
Deal found 6/1![United Airlines logo]()
$729
This American Airlines deal was found by Cheapflights users on 6/5. 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 7/37:51 pm
STL
- YQB
2 stops16h 18m
American Airlines
Wed 7/81:55 pm
YQB
- STL
1 stop11h 21m
American Airlines
Deal found 6/5![American Airlines logo]()
$696
This United Airlines deal was found by Cheapflights users on 6/1. 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 9/127:00 am
STL
- YQB
1 stop8h 00m
United Airlines
Thu 9/1712:45 pm
YQB
- STL
1 stop11h 53m
United Airlines
Deal found 6/1![United Airlines logo]()
$729
This American Airlines deal was found by Cheapflights users on 6/3. 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.
Thu 8/68:07 pm
STL
- YQB
1 stop16h 08m
American Airlines
Fri 8/141:56 pm
YQB
- STL
1 stop19h 27m
American Airlines
Deal found 6/3![American Airlines logo]()
$723
This American Airlines deal was found by Cheapflights users on 6/3. 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.
Sat 7/116:14 am
STL
- YQB
1 stop8h 16m
American Airlines
Sat 7/181:43 pm
YQB
- STL
1 stop19h 54m
American Airlines
Deal found 6/3![American Airlines logo]()
$723
Last-minute flights from St. Louis to Québec CityDiscover last-minute flight deals from St. Louis to Québec City. Data last updated June 6, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Québec City. Data last updated June 6, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 6/1. 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 6/201:20 pm
STL
- YQB
1 stop5h 21m
Air Canada
Tue 6/232:45 pm
YQB
- STL
1 stop6h 40m
Air Canada
Deal found 6/1![Air Canada logo]()
$685
This American Airlines deal was found by Cheapflights users on 6/1. 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 6/305:03 pm
STL
- YQB
1 stop19h 13m
American Airlines
Wed 7/81:55 pm
YQB
- STL
1 stop11h 21m
American Airlines
Deal found 6/1![American Airlines logo]()
$596
This American Airlines deal was found by Cheapflights users on 6/1. 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.
Wed 7/18:14 pm
STL
- YQB
1 stop16h 00m
American Airlines
Wed 7/81:55 pm
YQB
- STL
1 stop11h 21m
American Airlines
Deal found 6/1![American Airlines logo]()
$624
This American Airlines deal was found by Cheapflights users on 6/1. 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.
Fri 7/36:55 am
STL
- YQB
1 stop5h 19m
American Airlines
Wed 7/81:55 pm
YQB
- STL
1 stop11h 21m
American Airlines
Deal found 6/1![American Airlines logo]()
$644
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 6, 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 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 8/256:33 pm
STL
- YQB
3 stops18h 54m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$258
This Air Canada deal was found by Cheapflights users on 6/3. 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.
Sat 7/2512:10 pm
STL
- YQB
1 stop6h 31m
Air Canada
Deal found 6/3![Air Canada logo]()
$273
This American Airlines deal was found by Cheapflights users on 6/2. 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 8/258:07 pm
STL
- YQB
1 stop16h 08m
American Airlines
Deal found 6/2![American Airlines logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Sun 7/266:34 pm
STL
- YQB
3 stops26h 46m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 7/26:31 pm
STL
- YQB
3 stops42h 56m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$313
This American Airlines deal was found by Cheapflights users on 6/1. 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.
Sat 10/247:38 am
STL
- YQB
1 stop4h 42m
American Airlines
Deal found 6/1![American Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 6/5. 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 7/266:00 am
STL
- YQB
2 stops9h 00m
United Airlines
Deal found 6/5![United Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 7/274:57 pm
STL
- YQB
3 stops46h 53m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$321
This American Airlines deal was found by Cheapflights users on 6/2. 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.
Thu 8/136:00 am
STL
- YQB
1 stop6h 12m
American Airlines
Deal found 6/2![American Airlines logo]()
$332
This United Airlines deal was found by Cheapflights users on 6/5. 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 7/257:05 pm
STL
- YQB
2 stops15h 57m
United Airlines
Deal found 6/5![United Airlines logo]()
$337
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 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $581 (American Airlines) |
One-way from | $258 (Kiwi.com) |
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 6, 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
Fri 8/7
5:42 pm-1:12 pm
1 stop18h 30m
Québec City
Wed 8/12
1:56 pm-12:14 am
1 stop11h 18m
$672
St. LouisQuébec City
STL - YQB
STLYQB
Lambert-St Louis
Thu 7/2
7:58 pm-1:14 pm
1 stop16h 16m
Québec City
Wed 7/8
1:55 pm-12:16 am
1 stop11h 21m
$672
St. LouisQuébec City
STL - YQB
STLYQB
Lambert-St Louis
Fri 8/14
6:00 am-3:16 pm
1 stop8h 16m
Québec City
Mon 8/17
1:56 pm-8:23 am
1 stop19h 27m
$694
St. LouisQuébec City
STL - YQB
STLYQB
Lambert-St Louis
Fri 7/3
7:51 pm-1:09 pm
2 stops16h 18m
Québec City
Wed 7/8
1:55 pm-12:16 am
1 stop11h 21m
$696
St. LouisQuébec City
STL - YQB
STLYQB
Lambert-St Louis
Sun 9/6
6:55 am-10:41 pm
1 stop14h 46m
Québec City
Thu 9/10
4:55 pm-11:38 pm
1 stop7h 43m
$723
St. LouisQuébec City
STL - YQB
STLYQB
Lambert-St Louis
Thu 8/6
8:07 pm-1:15 pm
1 stop16h 08m
Québec City
Fri 8/14
1:56 pm-8:23 am
1 stop19h 27m
$723
St. LouisQuébec City
STL - YQB
STLYQB
Lambert-St Louis
Sat 7/11
6:14 am-3:30 pm
1 stop8h 16m
Québec City
Sat 7/18
1:43 pm-8:37 am
1 stop19h 54m
$723
Quickest round-trip
St. LouisQuébec City
STL - YQB
STLYQB
Lambert-St Louis
Tue 9/15
7:00 am-4:00 pm
1 stop8h 00m
Québec City
Sun 9/20
4:55 pm-11:38 pm
1 stop7h 43m
$729
St. LouisQuébec City
STL - YQB
STLYQB
Lambert-St Louis
Mon 9/14
7:00 am-10:41 pm
1 stop14h 41m
Québec City
Mon 9/21
4:55 pm-11:38 pm
1 stop7h 43m
$729
St. LouisQuébec City
STL - YQB
STLYQB
Lambert-St Louis
Sat 9/12
7:00 am-4:00 pm
1 stop8h 00m
Québec City
Thu 9/17
12:45 pm-11:38 pm
1 stop11h 53m
$729
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 6, 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.
Comfort
7.1
Food
6.3
Boarding
7.3
Crew
7.8
Overall
7.1
Entertainment
6.8
Reviews
1 / 20
4.0
OkayAnonymous,May 2026
YYJ - YUL
Comfort
7.1
Food
6.3
Boarding
7.3
Crew
7.8
Overall
7.1
Entertainment
6.8
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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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for St. Louis to Québec City
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Complete your trip
Complete your trip to Québec City by adding a car rental and/or hotel reservation to your travel itinerary.
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St. Louis and Québec City flights
Browse other St. Louis and Québec City flight options. Last updated on June 6, 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 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Québec City
Explore flights to Québec City departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 6, 2026.
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 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$662 | Average$827 | FlexibilityNo cancel fee | On-time67% |