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Cheap flights from St. Louis to Québec City from $303

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Québec City departing on 4/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from St. Louis to Québec City

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
7:05 am - 1:30 pm
STL
-
YQB
5h 25m
1 stop
Air Canada Logo
2:50 pm - 8:25 pm
YQB
-
STL
6h 35m
1 stop
$642Air Canada
Tue, May 5 - Tue, May 12
Air Canada Logo
7:05 am - 1:30 pm
STL
-
YQB
5h 25m
1 stop
Air Canada Logo
1:55 pm - 8:09 pm
YQB
-
STL
7h 14m
2 stops
$648Air Canada
Tue, May 5 - Tue, May 12
Multiple Airlines Logo
2:15 pm - 8:00 pm
STL
-
YQB
28h 45m
3 stops
Multiple Airlines Logo
2:50 pm - 8:25 pm
YQB
-
STL
6h 35m
1 stop
$672Multiple Airlines
Tue, May 5 - Tue, May 12
Multiple Airlines Logo
2:15 pm - 8:00 pm
STL
-
YQB
28h 45m
3 stops
Multiple Airlines Logo
1:55 pm - 8:09 pm
YQB
-
STL
7h 14m
2 stops
$678Multiple Airlines
Tue, May 5 - Tue, May 12
Multiple Airlines Logo
4:54 pm - 2:40 pm
STL
-
YQB
20h 46m
1 stop
Multiple Airlines Logo
6:30 am - 10:30 am
YQB
-
STL
29h 00m
2 stops
$716Multiple Airlines
Thu, Apr 2 - Mon, Apr 6
American Airlines Logo
5:21 pm - 1:17 pm
STL
-
YQB
42h 56m
1 stop
American Airlines Logo
1:57 pm - 11:54 pm
YQB
-
STL
10h 57m
1 stop
$729American Airlines
Tue, May 19 - Fri, May 22
American Airlines Logo
8:03 pm - 3:31 pm
STL
-
YQB
42h 28m
2 stops
American Airlines Logo
1:48 pm - 11:59 pm
YQB
-
STL
11h 11m
1 stop
$738American Airlines
Tue, May 19 - Fri, May 22
Air Canada Logo
7:05 am - 1:30 pm
STL
-
YQB
5h 25m
1 stop
Air Canada Logo
2:50 pm - 8:25 pm
YQB
-
STL
6h 35m
1 stop
$742Air Canada
Sun, May 3 - Sun, May 10
United Airlines Logo
8:15 pm - 12:02 pm
STL
-
YQB
14h 47m
2 stops
United Airlines Logo
3:05 pm - 9:18 pm
YQB
-
STL
7h 13m
1 stop
$743United Airlines
Fri, May 22 - Sat, May 23
American Airlines Logo
2:33 pm - 1:17 pm
STL
-
YQB
21h 44m
1 stop
American Airlines Logo
12:52 pm - 8:30 pm
YQB
-
STL
8h 38m
1 stop
$745American Airlines
Wed, May 20 - Sat, May 23

Air Canada flights from St. Louis to Québec City

Our best Air Canada deals on St. Louis to Québec City flight tickets
Air Canada
May 5
STL7:05 amLambert-St Louis
5h 25m
1 stop
YQB1:30 pmQuébec City
May 12
YQB2:50 pmQuébec City
6h 35m
1 stop
STL8:25 pmLambert-St Louis
$642
Air Canada
May 5
STL7:05 amLambert-St Louis
5h 25m
1 stop
YQB1:30 pmQuébec City
May 12
YQB1:55 pmQuébec City
7h 14m
2 stops
STL8:09 pmLambert-St Louis
$648
Air Canada
May 3
STL7:05 amLambert-St Louis
5h 25m
1 stop
YQB1:30 pmQuébec City
May 10
YQB2:50 pmQuébec City
6h 35m
1 stop
STL8:25 pmLambert-St Louis
$742

American Airlines flights from St. Louis to Québec City

Our best American Airlines deals on St. Louis to Québec City flight tickets
American Airlines
May 19
STL5:21 pmLambert-St Louis
42h 56m
1 stop
YQB1:17 pmQuébec City
May 22
YQB1:57 pmQuébec City
10h 57m
1 stop
STL11:54 pmLambert-St Louis
$729
American Airlines
May 19
STL8:03 pmLambert-St Louis
42h 28m
2 stops
YQB3:31 pmQuébec City
May 22
YQB1:48 pmQuébec City
11h 11m
1 stop
STL11:59 pmLambert-St Louis
$738
American Airlines
May 20
STL2:33 pmLambert-St Louis
21h 44m
1 stop
YQB1:17 pmQuébec City
May 23
YQB12:52 pmQuébec City
8h 38m
1 stop
STL8:30 pmLambert-St Louis
$745

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Québec City 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 832,500 searches. Data last updated March 21, 2026.
Use the filters below to find and compare flights from St. Louis to Québec City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Tue 5/5

7:05 am-1:30 pm

1 stop5h 25m

Québec City

Tue 5/12

2:50 pm-8:25 pm

1 stop6h 35m

$642

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Tue 5/5

7:05 am-1:30 pm

1 stop5h 25m

Québec City

Tue 5/12

1:55 pm-8:09 pm

2 stops7h 14m

$648

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Tue 5/5

2:15 pm-8:00 pm

3 stops28h 45m

Québec City

Tue 5/12

2:50 pm-8:25 pm

1 stop6h 35m

$672

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Tue 5/5

2:15 pm-8:00 pm

3 stops28h 45m

Québec City

Tue 5/12

1:55 pm-8:09 pm

2 stops7h 14m

$678

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Thu 4/2

4:54 pm-2:40 pm

1 stop20h 46m

Québec City

Mon 4/6

6:30 am-10:30 am

2 stops29h 00m

$716

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Tue 5/19

5:21 pm-1:17 pm

1 stop42h 56m

Québec City

Fri 5/22

1:57 pm-11:54 pm

1 stop10h 57m

$729

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Tue 5/19

8:03 pm-3:31 pm

2 stops42h 28m

Québec City

Fri 5/22

1:48 pm-11:59 pm

1 stop11h 11m

$738

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sun 5/3

7:05 am-1:30 pm

1 stop5h 25m

Québec City

Sun 5/10

2:50 pm-8:25 pm

1 stop6h 35m

$742

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Fri 5/22

8:15 pm-12:02 pm

2 stops14h 47m

Québec City

Sat 5/23

3:05 pm-9:18 pm

1 stop7h 13m

$743

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Wed 5/20

2:33 pm-1:17 pm

1 stop21h 44m

Québec City

Sat 5/23

12:52 pm-8:30 pm

1 stop8h 38m

$745

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Québec City from

How to get the cheapest flight ticket from St. Louis to Québec City

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 airline that flies from Lambert-St Louis to Québec City?

United Airlines and American Airlines are the most popular carriers operating from Lambert-St Louis to Québec City

When to book flights from St. Louis to Québec City

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

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

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

Fastest flight time

5h 01m

Direct flights

None
The fastest flight from St. Louis to Québec City takes 5h 01m
There are no direct flights from St. Louis to Québec City. There are no popular flight routes from St. Louis to Québec City.
Search flight deals

  • How far is Lambert-St Louis to Québec City by plane?

    A flight from Lambert-St Louis to Québec City will travel around 1112.3 mi. In terms of flight time, this usually takes a little over 5h 01m.

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

    Prices for flights from Lambert-St Louis Airport to Québec City Airport are updated daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Québec City Airport?

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Québec City Airport.

  • What documentation or ID do you need to fly to Québec City Airport?

    The required travel and health documents for your Québec City Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Québec City Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from St. Louis to Québec City?

Best airlines flying from St. Louis to Québec City

Compare and see reviews for airlines that fly from St. Louis to Québec City with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $193Free CancellationRating
7.1
10,821 reviews
Search Air Canada flights
United AirlinesPriceFrom $358Free CancellationRating
7.4
9,451 reviews
Search United Airlines flights

Traveling to a place near Québec City?

Book flights to Québec City if you plan to visit one of these locations
Beaupre
Baie-Saint-Paul
Victoriaville
Sainte-Marie

Why use momondo?

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

Finding the right flight to Québec City from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Québec City quick and easy, saving you time and money.

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

All flight searches from St. Louis to Québec City on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Québec City from St. Louis.

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

Price alerts on flights to Québec City from St. Louis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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