Cheap flights from Québec City to St. Louis from C$ 610

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Québec City to St. Louis departing on 6/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:49 a.m. - 10:58 p.m.YQB-STL
12h 09m2 stops
United Airlines Logo
9:57 a.m. - 10:47 p.m.STL-YQB
11h 50m2 stops
C$ 650United Airlines
Find Deal
Wed, 14 Jan - Wed, 21 Jan
Air Canada Logo
10:55 a.m. - 3:29 p.m.YQB-STL
5h 34m1 stop
Air Canada Logo
4:05 p.m. - 10:43 p.m.STL-YQB
5h 38m1 stop
C$ 657Air Canada
Find Deal
Wed, 14 Jan - Wed, 21 Jan
Air Canada Logo
9:15 a.m. - 3:29 p.m.YQB-STL
7h 14m2 stops
Air Canada Logo
4:05 p.m. - 10:43 p.m.STL-YQB
5h 38m1 stop
C$ 664Air Canada
Find Deal
Wed, 14 Jan - Wed, 21 Jan
Air Canada Logo
6:00 a.m. - 3:29 p.m.YQB-STL
10h 29m2 stops
Air Canada Logo
4:05 p.m. - 10:43 p.m.STL-YQB
5h 38m1 stop
C$ 743Air Canada
Find Deal
Thu, 11 Dec - Mon, 15 Dec
Air Canada Logo
6:00 a.m. - 3:29 p.m.YQB-STL
10h 29m2 stops
Air Canada Logo
4:05 p.m. - 10:43 p.m.STL-YQB
5h 38m1 stop
C$ 745Air Canada
Find Deal
Thu, 11 Dec - Mon, 15 Dec
Air Canada Logo
6:00 a.m. - 3:29 p.m.YQB-STL
10h 29m2 stops
Air Canada Logo
4:05 p.m. - 9:59 a.m.STL-YQB
16h 54m2 stops
C$ 792Air Canada
Find Deal
Thu, 11 Dec - Mon, 15 Dec
Air Canada Logo
5:00 a.m. - 3:29 p.m.YQB-STL
11h 29m1 stop
Air Canada Logo
4:05 p.m. - 10:43 p.m.STL-YQB
5h 38m1 stop
C$ 793Air Canada
Find Deal
Thu, 11 Dec - Mon, 15 Dec

Air Canada flights from Québec City to St. Louis

Our best Air Canada deals on Québec City to St. Louis flight tickets
Air Canada
14 Jan
YQB10:55 a.m.Québec City
5h 34m
1 stop
STL3:29 p.m.Lambert-St Louis
21 Jan
STL4:05 p.m.Lambert-St Louis
5h 38m
1 stop
YQB10:43 p.m.Québec City
Air Canada
14 Jan
YQB9:15 a.m.Québec City
7h 14m
2 stops
STL3:29 p.m.Lambert-St Louis
21 Jan
STL4:05 p.m.Lambert-St Louis
5h 38m
1 stop
YQB10:43 p.m.Québec City
Air Canada
11 Dec
YQB6:00 a.m.Québec City
10h 29m
2 stops
STL3:29 p.m.Lambert-St Louis
15 Dec
STL4:05 p.m.Lambert-St Louis
5h 38m
1 stop
YQB10:43 p.m.Québec City

momondo 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, momondo users made 96,600 searches. Data last updated 1 December 2025.
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

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Wed 14/1

11:49 a.m.-10:58 p.m.

2 stops12h 09m

Lambert-St Louis

Wed 21/1

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

2 stops11h 50m

C$ 650

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Wed 14/1

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

1 stop5h 34m

Lambert-St Louis

Wed 21/1

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

1 stop5h 38m

C$ 657

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Wed 14/1

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

2 stops7h 14m

Lambert-St Louis

Wed 21/1

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

1 stop5h 38m

C$ 664

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Thu 11/12

6:00 a.m.-3:29 p.m.

2 stops10h 29m

Lambert-St Louis

Mon 15/12

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

1 stop5h 38m

C$ 743

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Thu 11/12

6:00 a.m.-3:29 p.m.

2 stops10h 29m

Lambert-St Louis

Mon 15/12

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

1 stop5h 38m

C$ 745

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Thu 11/12

6:00 a.m.-3:29 p.m.

2 stops10h 29m

Lambert-St Louis

Mon 15/12

4:05 p.m.-9:59 a.m.

2 stops16h 54m

C$ 792

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Thu 11/12

5:00 a.m.-3:29 p.m.

1 stop11h 29m

Lambert-St Louis

Mon 15/12

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

1 stop5h 38m

C$ 793

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Sat 6/12

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

1 stop5h 34m

C$ 610

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Sat 6/12

5:10 p.m.-11:44 p.m.

1 stop7h 34m

C$ 616

Québec CitySt. Louis

YQB - STL

YQBSTL

Québec City

Sat 6/12

6:00 a.m.-3:40 p.m.

2 stops10h 40m

C$ 629

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Québec City to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to St. Louis?

Our data shows that Thursday is the least expensive day to fly to St. Louis. Tickets to fly out on this day can be as low as C$ 523. The most expensive day to fly to St. Louis is Monday, with ticket prices averaging around C$ 708.

What is the cheapest time of day to depart on your flight to St. Louis?

The cheapest time of day to fly to St. Louis is in the afternoon when flights can be purchased for as low as C$ 523. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are C$ 733 on average. Flights to St. Louis from Québec City in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

When to book flights from Québec City to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Québec City to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Québec City to St. Louis (YQB to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Québec City to St. Louis

Fastest flight time

7h 39m

Direct flights

None
The fastest flight from Québec City to St. Louis takes 7h 39m
There are no direct flights from Québec City to St. Louis. There are no popular flight routes from Québec City to St. Louis.
  • How far is Québec City to Lambert-St Louis by plane?

    The straight-line distance from Québec City to Lambert-St Louis is 1790.0 km. Flights usually cover this in 5h 34m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Québec City Airport to Lambert-St Louis Airport?

    Prices for flights from Québec City Airport to Lambert-St Louis Airport were last updated today.

  • How old do you have to be to fly from Québec City Airport to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Québec City Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near St. Louis?

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

Why use momondo?

Why should I use momondo to find a flight deal from Québec City to St. Louis?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from Québec City.

Can I find flights from Québec City to St. Louis with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to St. Louis from Québec City with this policy.

How can momondo help me find flights from Québec City to St. Louis?

momondo provides multiple filters to help you find the best flight to St. Louis from Québec City. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Québec City to St. Louis right now. Can momondo alert me if prices change?

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1 adult
Wed 31/12
Wed 7/1

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