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Cheap flights from Québec City to St. Louis from C$ 388

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 19/4. Fares are subject to change and may not be available on all flights or dates of travel.
YQB — STL
11 Apr — 18 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Québec City to St. Louis

Enter your travel dates to find the best prices.

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 12 March 2026.

Tue 14/46:00 a.m.
YQB
-
STL
2 stops9h 24m
United Airlines
Sat 18/411:15 a.m.
STL
-
YQB
2 stops10h 26m
United Airlines
Deal found 7/3C$ 774
Sat 23/56:00 a.m.
YQB
-
STL
2 stops9h 23m
United Airlines
Sat 30/56:00 a.m.
STL
-
YQB
2 stops8h 18m
United Airlines
Deal found 11/3C$ 793
Sat 2/55:35 a.m.
YQB
-
STL
2 stops7h 31m
Air Canada
Tue 5/57:05 a.m.
STL
-
YQB
2 stops8h 51m
Air Canada
Deal found 8/3C$ 797
Sun 24/56:00 a.m.
YQB
-
STL
2 stops9h 23m
United Airlines
Sun 31/56:00 a.m.
STL
-
YQB
2 stops9h 00m
United Airlines
Deal found 11/3C$ 813

Find 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 12 March 2026.

Round-trip from

C$ 770

One-way from

C$ 388
United Airlines
  • United Airlines
  • 14/4-18/4
  • 2 total stops
  • 13h 10m total
  • Québec City to St. Louis
Search Deals
19/4
  • 19/4
  • 2 total stops
  • 25h 35m total
  • Québec City to St. Louis
Search Deals

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 12 March 2026.
Use the filters below to find and compare flights from Québec City to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Tue 14/4

3:00 p.m.-9:52 p.m.

1 stop7h 52m

Lambert-St Louis

Sat 18/4

6:30 a.m.-2:03 p.m.

1 stop6h 33m

C$ 774

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Sat 2/5

10:25 a.m.-8:04 p.m.

2 stops10h 39m

Lambert-St Louis

Tue 5/5

7:05 a.m.-1:30 p.m.

1 stop5h 25m

C$ 793

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Sat 23/5

6:00 a.m.-2:23 p.m.

2 stops9h 23m

Lambert-St Louis

Sat 30/5

6:00 a.m.-12:02 p.m.

1 stop5h 02m

C$ 793

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Sun 24/5

6:00 a.m.-2:23 p.m.

2 stops9h 23m

Lambert-St Louis

Sun 31/5

6:00 a.m.-12:02 p.m.

1 stop5h 02m

C$ 793
Cheapest one-way
Quickest one-way

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Sun 14/6

4:55 p.m.-11:35 p.m.

1 stop7h 40m

C$ 425

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Mon 15/6

4:55 p.m.-11:35 p.m.

1 stop7h 40m

C$ 425

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Sat 29/8

6:00 p.m.-12:49 p.m.

2 stops19h 49m

C$ 432

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Wed 8/7

6:00 a.m.-3:46 p.m.

2 stops10h 46m

C$ 433

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Sun 12/7

4:55 p.m.-11:45 p.m.

1 stop7h 50m

C$ 440

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Sun 30/8

5:35 a.m.-2:02 p.m.

2 stops9h 27m

C$ 445

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

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 7h 52m. United Airlines provides one of the quickest options available for as low as C$ 774. The distance between Québec City and St. Louis is about 1782 km.

  • 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.

See more FAQs

Travelling to a place near St. Louis?

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Can Cheapflights find flights from Québec City to St. Louis with no change fees?

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