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Québec City

$289+ 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 6/13. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YQB
May 30 — Jun 61
Sat 5/30
Sat 6/6
1 adult, Economy
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Cheap flight deals from St. Louis to Québec City

Cheapest flights from St. Louis to Québec City
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 April 30, 2026.

This United Airlines deal was found by Cheapflights users on 4/27. 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 6/256:01 am
STL
-
YQB
1 stop8h 59m
United Airlines
Sun 6/284:55 pm
YQB
-
STL
1 stop7h 50m
United Airlines
Deal found 4/27$686
This American Airlines deal was found by Cheapflights users on 4/27. 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 12/116:00 am
STL
-
YQB
1 stop8h 19m
American Airlines
Mon 12/143:59 pm
YQB
-
STL
1 stop19h 18m
American Airlines
Deal found 4/27$687
This Air Canada deal was found by Cheapflights users on 4/26. 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 12/294:15 pm
STL
-
YQB
1 stop5h 13m
Air Canada
Sat 1/210:20 am
YQB
-
STL
1 stop6h 10m
Air Canada
Deal found 4/26$689
This United Airlines deal was found by Cheapflights users on 4/26. 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 12/316:30 am
STL
-
YQB
1 stop5h 11m
United Airlines
Thu 1/72:00 pm
YQB
-
STL
3 stops11h 34m
United Airlines
Deal found 4/26$697
This Air Canada deal was found by Cheapflights users on 4/27. 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 5/167:05 am
STL
-
YQB
1 stop15h 05m
Air Canada
Sat 5/235:00 am
YQB
-
STL
1 stop8h 06m
Air Canada
Deal found 4/27$702
This United Airlines deal was found by Cheapflights users on 4/26. 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 12/3110:23 am
STL
-
YQB
2 stops11h 20m
United Airlines
Wed 1/62:00 pm
YQB
-
STL
3 stops11h 34m
United Airlines
Deal found 4/26$707
This Air Canada deal was found by Cheapflights users on 4/27. 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 9/178:55 am
STL
-
YQB
1 stop13h 17m
Air Canada
Sun 10/41:05 pm
YQB
-
STL
1 stop6h 36m
Air Canada
Deal found 4/27$709
This Air Canada deal was found by Cheapflights users on 4/28. 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 6/168:40 am
STL
-
YQB
1 stop9h 30m
Air Canada
Sun 6/215:00 am
YQB
-
STL
1 stop8h 21m
Air Canada
Deal found 4/28$713
This Air Canada deal was found by Cheapflights users on 4/29. 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 7/38:55 am
STL
-
YQB
1 stop6h 06m
Air Canada
Wed 7/82:50 pm
YQB
-
STL
1 stop4h 52m
Air Canada
Deal found 4/29$718
This United Airlines deal was found by Cheapflights users on 4/27. 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 7/246:01 am
STL
-
YQB
1 stop8h 59m
United Airlines
Sat 8/14:55 pm
YQB
-
STL
1 stop7h 50m
United Airlines
Deal found 4/27$721

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 April 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$679
(United Airlines)

One-way from

$289
(United Airlines)
Provider with most accurate pricing for Lambert-St Louis-Québec City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Québec City flights.
Search Deals
From Lambert-St Louis to Québec City
Search Deals
One-way flight from Lambert-St Louis to Québec City
Search Deals

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 April 30, 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

Price

Cheapest round-trip

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Thu 6/25

6:01 am-4:00 pm

1 stop8h 59m

Québec City

Sun 6/28

4:55 pm-11:45 pm

1 stop7h 50m

$686

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sat 10/10

6:49 pm-12:02 pm

2 stops16h 13m

Québec City

Sat 10/17

3:53 pm-9:24 pm

1 stop6h 31m

$697

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sat 5/16

7:05 am-11:10 pm

1 stop15h 05m

Québec City

Sat 5/23

5:00 am-12:06 pm

1 stop8h 06m

$702
Quickest round-trip

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Fri 7/3

8:55 am-4:01 pm

1 stop6h 06m

Québec City

Wed 7/8

2:50 pm-6:42 pm

1 stop4h 52m

$718

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Thu 7/16

6:06 am-3:30 pm

1 stop8h 24m

Québec City

Sun 7/19

4:12 pm-10:38 am

1 stop19h 26m

$721

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Thu 6/25

2:15 pm-11:11 pm

1 stop7h 56m

Québec City

Sun 6/28

5:35 am-12:21 pm

2 stops7h 46m

$721

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Fri 7/24

6:01 am-4:00 pm

1 stop8h 59m

Québec City

Sat 8/1

4:55 pm-11:45 pm

1 stop7h 50m

$721

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Fri 7/3

8:35 pm-3:18 pm

2 stops17h 43m

Québec City

Wed 7/8

6:00 am-4:07 pm

1 stop11h 07m

$731
Cheapest one-way

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sat 6/13

6:00 am-4:00 pm

1 stop9h 00m

$289
Quickest one-way

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sat 10/10

7:30 am-4:12 pm

1 stop7h 42m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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 April 30, 2026.
Peruse reviews from past customers who have flown with United Airlines and 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.
United Airlines
7.4
Good
9,677 reviews

Comfort

7.3

Overall

7.4

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,677 reviews
United Airlines
7.4
Good
9,677 reviews

Comfort

7.3

Overall

7.4

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Air Canada
7.1
Good
10,982 reviews
United Airlines
7.4
Good
9,677 reviews

Comfort

7.3

Overall

7.4

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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.

  • How long is the flight from St. Louis to Québec City?

    For as low as $686, United Airlines can have you in Québec City from St. Louis in 8h 59m. The distance from St. Louis to Québec City is about 1107 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from St. Louis to Québec City round-trip?

    United Airlines, at $486, was found to be the cheapest airline from St. Louis to Québec City. An alternate airline flying to your destination would be Air Canada.

  • What are the cheapest airlines to fly from St. Louis to Québec City one-way?

    $172 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Air Canada and United Airlines, with prices starting from $297 and $309, respectively.

  • Can I find deals for flights from St. Louis to Québec City that include hotel bookings?

    Yes. In addition to deals on St. Louis to Québec City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Québec City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Québec City.

  • Can I find deals for business class flights from St. Louis to Québec City?

    Yes. Cheapflights offers flight deals from St. Louis to Québec City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from St. Louis to Québec City

Discover the top 2 airlines 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 April 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$486Average$804FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$696Average$828FlexibilityNo cancel feeOn-time67%

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