Find flights
When to book
FAQs

Cheap flights from Québec City to St. Louis from C$ 343

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
YQB — STL
26 Nov — 3 Dec1
1 adult
1 adult, Economy, 0 bags

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 27 October 2025.

Round-trip from

C$ 763

One-way from

C$ 343
Air Canada
  • Air Canada
  • 7/4-9/4
  • 2 total stops
  • 11h 19m total
  • Québec City to St. Louis
Search Deals
United Airlines
  • United Airlines
  • 11/12
  • 2 total stops
  • 11h 40m total
  • Québec City to St. Louis
Search Deals

Find 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 27 October 2025.

Fri 28/112:55 p.m.YQB - STL
1 stop7h 45mUnited Airlines
Sun 30/116:30 a.m.STL - YQB
1 stop6h 43mUnited Airlines
Deal found 27/10C$ 791
Thu 25/125:10 p.m.YQB - STL
1 stop7h 33mMultiple Airlines
Sat 3/14:05 p.m.STL - YQB
2 stops15h 24mMultiple Airlines
Deal found 24/10C$ 803
Thu 25/125:00 a.m.YQB - STL
2 stops13h 54mUnited Airlines
Sat 3/16:30 a.m.STL - YQB
2 stops11h 08mUnited Airlines
Deal found 24/10C$ 994
Fri 28/116:30 a.m.YQB - STL
2 stops27h 27mMultiple Airlines
Sun 30/1111:08 a.m.STL - YQB
3 stops27h 12mMultiple Airlines
Deal found 27/10C$ 1,511

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 27 October 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

Tue 7/4

10:40 a.m.-3:24 p.m.

1 stop5h 44m

Lambert-St Louis

Thu 9/4

4:05 p.m.-10:40 p.m.

1 stop5h 35m

C$ 763

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Fri 28/11

2:55 p.m.-9:40 p.m.

1 stop7h 45m

Lambert-St Louis

Sun 30/11

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

1 stop6h 43m

C$ 791

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Thu 25/12

5:10 p.m.-11:43 p.m.

1 stop7h 33m

Lambert-St Louis

Sat 3/1

4:05 p.m.-8:29 a.m.

2 stops15h 24m

C$ 803

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Thu 11/12

5:00 a.m.-3:40 p.m.

2 stops11h 40m

C$ 343

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Fri 28/11

2:55 p.m.-9:40 p.m.

1 stop7h 45m

C$ 407

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Fri 19/12

9:15 a.m.-3:29 p.m.

2 stops7h 14m

C$ 417

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Fri 28/11

6:30 a.m.-8:57 a.m.

3 stops27h 27m

C$ 631

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Fri 19/12

4:45 p.m.-9:40 a.m.

3 stops41h 55m

C$ 728

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/10

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 5h 44m. Air Canada provides one of the quickest options available for as low as C$ 763. 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

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.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Québec City to St. Louis?

Cheapflights makes it easy to find Québec City to St. Louis flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Québec City to St. Louis?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to St. Louis from Québec City.

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

Yes! Cheapflights helps users easily find flights from Québec City to St. Louis with no change fees.

Can Cheapflights notify me if prices for flights from Québec City to St. Louis become cheaper?

Not ready to book yet? You can track prices for flights from Québec City to St. Louis on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.