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Cheap flights from St. Louis to Québec City from $473

This is the cheapest round-trip 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 1/29. 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.
Multiple Airlines Logo
4:05 pm - 10:43 pm
STL
-
YQB
5h 38m
1 stop
Multiple Airlines Logo
6:30 am - 11:33 pm
YQB
-
STL
18h 03m
1 stop
$473Multiple Airlines
Thu, Jan 29 - Fri, Feb 6
Air Canada Logo
4:05 pm - 10:43 pm
STL
-
YQB
5h 38m
1 stop
Air Canada Logo
10:55 am - 3:29 pm
YQB
-
STL
5h 34m
1 stop
$506Air Canada
Sat, Feb 28 - Sun, Mar 8
Air Canada Logo
4:05 pm - 10:43 pm
STL
-
YQB
5h 38m
1 stop
Air Canada Logo
10:55 am - 3:29 pm
YQB
-
STL
5h 34m
1 stop
$513Air Canada
Sat, Feb 28 - Sat, Mar 7
Air Canada Logo
4:05 pm - 10:43 pm
STL
-
YQB
5h 38m
1 stop
Air Canada Logo
6:00 am - 3:29 pm
YQB
-
STL
10h 29m
2 stops
$514Air Canada
Sat, Feb 28 - Sat, Mar 7
Air Canada Logo
4:05 pm - 8:28 am
STL
-
YQB
15h 23m
2 stops
Air Canada Logo
10:55 am - 3:29 pm
YQB
-
STL
5h 34m
1 stop
$541Air Canada
Thu, Jan 29 - Fri, Feb 6
Air Canada Logo
8:17 am - 10:47 pm
STL
-
YQB
13h 30m
2 stops
Air Canada Logo
10:55 am - 3:29 pm
YQB
-
STL
5h 34m
1 stop
$561Air Canada
Sat, Feb 28 - Sun, Mar 8
Air Canada Logo
8:17 am - 10:47 pm
STL
-
YQB
13h 30m
2 stops
Air Canada Logo
6:00 am - 3:29 pm
YQB
-
STL
10h 29m
2 stops
$565Air Canada
Sat, Feb 28 - Sat, Mar 7
United Airlines Logo
11:25 am - 10:47 pm
STL
-
YQB
10h 22m
2 stops
United Airlines Logo
6:00 am - 2:42 pm
YQB
-
STL
9h 42m
2 stops
$579United Airlines
Sat, Feb 28 - Sun, Mar 8
Air Canada Logo
4:05 pm - 8:28 am
STL
-
YQB
15h 23m
2 stops
Air Canada Logo
1:40 pm - 10:58 pm
YQB
-
STL
10h 18m
2 stops
$592Air Canada
Thu, Jan 29 - Fri, Feb 6
Air Canada Logo
4:05 pm - 11:28 pm
STL
-
YQB
6h 23m
1 stop
Air Canada Logo
10:55 am - 3:29 pm
YQB
-
STL
5h 34m
1 stop
$597Air Canada
Mon, Feb 9 - Thu, Feb 12

Air Canada flights from St. Louis to Québec City

Our best Air Canada deals on St. Louis to Québec City flight tickets
Air Canada
Feb 28
STL4:05 pmLambert-St Louis
5h 38m
1 stop
YQB10:43 pmQuébec City
Mar 8
YQB10:55 amQuébec City
5h 34m
1 stop
STL3:29 pmLambert-St Louis
$506
Air Canada
Feb 28
STL4:05 pmLambert-St Louis
5h 38m
1 stop
YQB10:43 pmQuébec City
Mar 7
YQB10:55 amQuébec City
5h 34m
1 stop
STL3:29 pmLambert-St Louis
$513
Air Canada
Feb 28
STL4:05 pmLambert-St Louis
5h 38m
1 stop
YQB10:43 pmQuébec City
Mar 7
YQB6:00 amQuébec City
10h 29m
2 stops
STL3:29 pmLambert-St Louis
$514

United Airlines flights from St. Louis to Québec City

Our best United Airlines deals on St. Louis to Québec City flight tickets
United Airlines
Feb 28
STL11:25 amLambert-St Louis
10h 22m
2 stops
YQB10:47 pmQuébec City
Mar 8
YQB6:00 amQuébec City
9h 42m
2 stops
STL2:42 pmLambert-St Louis
$579
United Airlines
Feb 15
STL11:25 amLambert-St Louis
10h 22m
2 stops
YQB10:47 pmQuébec City
Feb 18
YQB6:00 amQuébec City
9h 29m
2 stops
STL2:29 pmLambert-St Louis
$611
United Airlines
Feb 25
STL4:05 pmLambert-St Louis
5h 38m
1 stop
YQB10:43 pmQuébec City
Feb 28
YQB7:35 pmQuébec City
17h 46m
2 stops
STL12:21 pmLambert-St Louis
$713

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 January 15, 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

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Thu 1/29

4:05 pm-10:43 pm

1 stop5h 38m

Québec City

Fri 2/6

6:30 am-11:33 pm

1 stop18h 03m

$473

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sat 2/28

4:05 pm-10:43 pm

1 stop5h 38m

Québec City

Sun 3/8

10:55 am-3:29 pm

1 stop5h 34m

$506

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sat 2/28

4:05 pm-10:43 pm

1 stop5h 38m

Québec City

Sat 3/7

10:55 am-3:29 pm

1 stop5h 34m

$513

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sat 2/28

4:05 pm-10:43 pm

1 stop5h 38m

Québec City

Sat 3/7

6:00 am-3:29 pm

2 stops10h 29m

$514

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Thu 1/29

4:05 pm-8:28 am

2 stops15h 23m

Québec City

Fri 2/6

10:55 am-3:29 pm

1 stop5h 34m

$541

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sat 2/28

8:17 am-10:47 pm

2 stops13h 30m

Québec City

Sun 3/8

10:55 am-3:29 pm

1 stop5h 34m

$561

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sat 2/28

8:17 am-10:47 pm

2 stops13h 30m

Québec City

Sat 3/7

6:00 am-3:29 pm

2 stops10h 29m

$565

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sat 2/28

11:25 am-10:47 pm

2 stops10h 22m

Québec City

Sun 3/8

6:00 am-2:42 pm

2 stops9h 42m

$579

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Thu 1/29

4:05 pm-8:28 am

2 stops15h 23m

Québec City

Fri 2/6

1:40 pm-10:58 pm

2 stops10h 18m

$592

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Mon 2/9

4:05 pm-11:28 pm

1 stop6h 23m

Québec City

Thu 2/12

10:55 am-3:29 pm

1 stop5h 34m

$597

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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?

American Airlines, United Airlines, and Air Canada 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 23m

Direct flights

None
The fastest flight from St. Louis to Québec City takes 5h 23m
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 23m.

  • 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
United AirlinesPriceFrom $320Free CancellationRating
7.4
9,163 reviews
Search United Airlines flights
Air CanadaPriceFrom $320Free CancellationRating
7.1
10,622 reviews
Search Air Canada 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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