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Cheap flights from Québec City to St. Louis from C$ 382

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 26/2. Fares are subject to change and may not be available on all flights or dates of travel.
YQB — STL
11 Jan — 18 Jan1
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.

Best flights from Québec City to St. Louis
Discover carefully curated flight deals from Québec City to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 12 December 2025.

Wed 21/16:00 a.m.YQB - STL
2 stops9h 30mUnited Airlines
Sun 25/19:57 a.m.STL - YQB
2 stops11h 50mUnited Airlines
Deal found 9/12C$ 727
Fri 5/65:10 p.m.YQB - STL
1 stop20h 56mAmerican Airlines
Mon 8/65:06 p.m.STL - YQB
1 stop18h 14mAmerican Airlines
Deal found 10/12C$ 728
Fri 5/61:05 p.m.YQB - STL
2 stops7h 59mAir Canada
Mon 8/61:00 p.m.STL - YQB
1 stop8h 47mAir Canada
Deal found 10/12C$ 738
Wed 21/110:55 a.m.YQB - STL
1 stop5h 34mAir Canada
Sun 25/14:05 p.m.STL - YQB
1 stop5h 38mAir Canada
Deal found 9/12C$ 758
Fri 5/610:25 a.m.YQB - STL
1 stop10h 05mUnited Airlines
Mon 8/66:00 p.m.STL - YQB
2 stops19h 23mUnited Airlines
Deal found 10/12C$ 1,230

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 December 2025.

Round-trip from

C$ 727

One-way from

C$ 382
United Airlines
  • United Airlines
  • 21/1-25/1
  • 4 total stops
  • 21h 20m total
  • Québec City to St. Louis
Search Deals
26/2
  • 26/2
  • 3 total stops
  • 39h 26m 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 December 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

Wed 21/1

6:00 a.m.-2:30 p.m.

2 stops9h 30m

Lambert-St Louis

Sun 25/1

9:57 a.m.-10:47 p.m.

2 stops11h 50m

C$ 727

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Fri 5/6

5:10 p.m.-1:06 p.m.

1 stop20h 56m

Lambert-St Louis

Mon 8/6

5:06 p.m.-12:20 p.m.

1 stop18h 14m

C$ 728

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Fri 5/6

1:05 p.m.-8:04 p.m.

2 stops7h 59m

Lambert-St Louis

Mon 8/6

1:00 p.m.-10:47 p.m.

1 stop8h 47m

C$ 738

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Wed 21/1

10:55 a.m.-3:29 p.m.

1 stop5h 34m

Lambert-St Louis

Sun 25/1

4:05 p.m.-10:43 p.m.

1 stop5h 38m

C$ 758

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Fri 5/6

10:25 a.m.-7:30 p.m.

1 stop10h 05m

Lambert-St Louis

Mon 8/6

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

2 stops19h 23m

C$ 1,230

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Thu 8/1

10:55 a.m.-3:29 p.m.

1 stop5h 34m

C$ 407

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Fri 27/2

4:25 p.m.-11:59 p.m.

3 stops32h 34m

C$ 415

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Thu 26/2

7:35 p.m.-5:45 p.m.

2 stops23h 10m

C$ 499

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Thu 26/2

7:05 p.m.-3:29 p.m.

2 stops21h 24m

C$ 517

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Fri 27/2

1:40 p.m.-3:29 p.m.

2 stops26h 49m

C$ 590

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 13 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 7h 59m. United Airlines provides one of the quickest options available for as low as C$ 738. 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.

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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