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Cheap flights from Québec City to St. Louis from C$ 254

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 25/10. Fares are subject to change and may not be available on all flights or dates of travel.
YQB — STL
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Québec City to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Québec City (YQB) to St. Louis (STL). 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 11 September 2025.

Round-trip from

C$ 547

One-way from

C$ 254
American Airlines
  • American Airlines
  • 23/10-26/10
  • 2 total stops
  • 14h 00m total
  • Québec City to St. Louis
Search Deals
American Airlines
  • American Airlines
  • 25/10
  • 1 total stop
  • 16h 55m total
  • Québec City to St. Louis
Search Deals

Find flight deals from Québec City to St. Louis

Cheapest flights from Québec City to St. Louis
Explore the most affordable flight options available from Québec City to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.

Thu 23/104:14 p.m.YQB - STL
1 stop8h 40mAmerican Airlines
Sun 26/107:16 a.m.STL - YQB
1 stop5h 20mAmerican Airlines
Deal found 9/9C$ 547
Thu 23/104:55 p.m.YQB - STL
2 stops18h 54mMultiple Airlines
Sun 26/106:30 a.m.STL - YQB
1 stop6h 43mMultiple Airlines
Deal found 9/9C$ 658
Thu 23/104:55 p.m.YQB - STL
2 stops18h 54mUnited Airlines
Sun 26/108:00 a.m.STL - YQB
1 stop5h 13mUnited Airlines
Deal found 9/9C$ 697
Sun 19/105:20 a.m.YQB - STL
2 stops11h 24mMultiple Airlines
Sat 25/1011:10 a.m.STL - YQB
2 stops7h 53mMultiple Airlines
Deal found 9/9C$ 956
Sun 19/105:20 a.m.YQB - STL
2 stops11h 24mUnited Airlines
Sat 25/106:30 a.m.STL - YQB
2 stops15h 11mUnited Airlines
Deal found 9/9C$ 963
Sun 19/105:20 a.m.YQB - STL
1 stop15h 18mAir Canada
Sat 25/108:00 a.m.STL - YQB
1 stop5h 16mAir Canada
Deal found 9/9C$ 1,346

Cheapflights Fare Finder

 
Customize your flight search to find flights from Québec City 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 629,999 searches. Data last updated 11 September 2025.
Use the filters below to find and compare flights from Québec City to St. Louis that are best for you.

Fly from

Québec City

Fly to

St. Louis

Route

Depart

Return

Price

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Thu 23/10

4:14 p.m.-11:54 p.m.

1 stop8h 40m

Lambert-St Louis

Sun 26/10

7:16 a.m.-1:36 p.m.

1 stop5h 20m

C$ 547

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Thu 23/10

4:55 p.m.-10:49 a.m.

2 stops18h 54m

Lambert-St Louis

Sun 26/10

6:30 a.m.-2:13 p.m.

1 stop6h 43m

C$ 658

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Thu 23/10

4:55 p.m.-10:49 a.m.

2 stops18h 54m

Lambert-St Louis

Sun 26/10

8:00 a.m.-2:13 p.m.

1 stop5h 13m

C$ 697

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Sun 19/10

5:20 a.m.-3:44 p.m.

2 stops11h 24m

Lambert-St Louis

Sat 25/10

6:30 a.m.-2:16 p.m.

1 stop6h 46m

C$ 956

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Sun 19/10

5:20 a.m.-3:44 p.m.

2 stops11h 24m

Lambert-St Louis

Sat 25/10

12:25 p.m.-2:13 p.m.

1 stop24h 48m

C$ 963

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Sun 19/10

5:20 a.m.-7:38 p.m.

1 stop15h 18m

Lambert-St Louis

Sat 25/10

8:00 a.m.-2:16 p.m.

1 stop5h 16m

C$ 1,346

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Sat 25/10

4:14 p.m.-8:09 a.m.

1 stop16h 55m

C$ 254

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Sat 25/10

5:20 a.m.-6:17 p.m.

2 stops13h 57m

C$ 312

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Sat 25/10

11:00 a.m.-10:02 a.m.

3 stops24h 02m

C$ 466

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Sun 2/11

5:00 a.m.-3:28 p.m.

2 stops11h 28m

C$ 481

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 14 results
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Best time to book a flight from Québec City to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Québec City 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.

Related info for your journey

Find useful and relevant information for your journey from Québec City to St. Louis. 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 Québec City to St. Louis?

    A quick flight from Québec City to St. Louis can take about 8h 40m. American Airlines provides one of the quickest options available for as low as C$ 547. The distance between Québec City and St. Louis is about 1782 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Québec City to St. Louis?

    Currently, January is the cheapest month in which you can book a flight from Québec City to St. Louis (average of C$ 365). Flying from Québec City to St. Louis in September is currently the most expensive (average of C$ 491). 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.

See more FAQs

Travelling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Chesterfield
St. Peters

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