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Cheap flights from St. Louis to Québec City from $314

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 12/13. 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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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
4:05 pm - 10:40 pmSTL-YQB
5h 35m1 stop
Air Canada Logo
10:40 am - 3:24 pmYQB-STL
5h 44m1 stop
$593Air Canada
Find Deal
Mon, Apr 13 - Fri, Apr 17
United Airlines Logo
7:45 am - 2:18 pmSTL-YQB
5h 33m1 stop
United Airlines Logo
3:00 pm - 9:04 pmYQB-STL
7h 04m1 stop
$595United Airlines
Find Deal
Mon, Apr 27 - Tue, May 5
Air Canada Logo
4:05 pm - 10:40 pmSTL-YQB
5h 35m1 stop
Air Canada Logo
9:15 am - 3:24 pmYQB-STL
7h 09m2 stops
$598Air Canada
Find Deal
Mon, Apr 13 - Fri, Apr 17
United Airlines Logo
7:45 am - 10:41 pmSTL-YQB
13h 56m2 stops
United Airlines Logo
3:00 pm - 9:04 pmYQB-STL
7h 04m1 stop
$605United Airlines
Find Deal
Mon, Apr 27 - Tue, May 5
United Airlines Logo
7:45 am - 10:41 pmSTL-YQB
13h 56m2 stops
United Airlines Logo
6:00 am - 3:21 pmYQB-STL
10h 21m2 stops
$610United Airlines
Find Deal
Mon, Apr 27 - Tue, May 5
Air Canada Logo
4:05 pm - 8:20 amSTL-YQB
15h 15m2 stops
Air Canada Logo
9:15 am - 3:24 pmYQB-STL
7h 09m2 stops
$636Air Canada
Find Deal
Mon, Apr 13 - Fri, Apr 17
Air Canada Logo
1:30 pm - 8:01 pmSTL-YQB
5h 31m1 stop
Air Canada Logo
10:25 am - 3:16 pmYQB-STL
5h 51m1 stop
$674Air Canada
Find Deal
Fri, May 1 - Sat, May 9
Air Canada Logo
4:05 pm - 10:43 pmSTL-YQB
5h 38m1 stop
Air Canada Logo
10:55 am - 3:29 pmYQB-STL
5h 34m1 stop
$677Air Canada
Find Deal
Sun, Jan 18 - Wed, Jan 21
Air Canada Logo
4:05 pm - 10:43 pmSTL-YQB
5h 38m1 stop
Air Canada Logo
5:35 am - 3:29 pmYQB-STL
10h 54m2 stops
$686Air Canada
Find Deal
Sun, Jan 18 - Wed, Jan 21
United Airlines Logo
8:00 am - 2:18 pmSTL-YQB
5h 18m1 stop
United Airlines Logo
6:00 am - 3:21 pmYQB-STL
10h 21m2 stops
$688United Airlines
Find Deal
Sat, May 9 - Sat, May 16

Air Canada flights from St. Louis to Québec City

Our best Air Canada deals on St. Louis to Québec City flight tickets
Air Canada
Apr 13
STL4:05 pmLambert-St Louis
5h 35m
1 stop
YQB10:40 pmQuébec City
Apr 17
YQB10:40 amQuébec City
5h 44m
1 stop
STL3:24 pmLambert-St Louis
$593
Find similar
Air Canada
Apr 13
STL4:05 pmLambert-St Louis
5h 35m
1 stop
YQB10:40 pmQuébec City
Apr 17
YQB9:15 amQuébec City
7h 09m
2 stops
STL3:24 pmLambert-St Louis
$598
Find similar
Air Canada
Apr 13
STL4:05 pmLambert-St Louis
15h 15m
2 stops
YQB8:20 amQuébec City
Apr 17
YQB9:15 amQuébec City
7h 09m
2 stops
STL3:24 pmLambert-St Louis
$636
Find similar

United Airlines flights from St. Louis to Québec City

Our best United Airlines deals on St. Louis to Québec City flight tickets
United Airlines
Apr 27
STL7:45 amLambert-St Louis
5h 33m
1 stop
YQB2:18 pmQuébec City
May 5
YQB3:00 pmQuébec City
7h 04m
1 stop
STL9:04 pmLambert-St Louis
$595
Find similar
United Airlines
Apr 27
STL7:45 amLambert-St Louis
13h 56m
2 stops
YQB10:41 pmQuébec City
May 5
YQB3:00 pmQuébec City
7h 04m
1 stop
STL9:04 pmLambert-St Louis
$605
Find similar
United Airlines
Apr 27
STL7:45 amLambert-St Louis
13h 56m
2 stops
YQB10:41 pmQuébec City
May 5
YQB6:00 amQuébec City
10h 21m
2 stops
STL3:21 pmLambert-St Louis
$610
Find similar

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 December 3, 2025.
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

Mon 4/13

4:05 pm-10:40 pm

1 stop5h 35m

Québec City

Fri 4/17

10:40 am-3:24 pm

1 stop5h 44m

$593

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Mon 4/27

7:45 am-2:18 pm

1 stop5h 33m

Québec City

Tue 5/5

3:00 pm-9:04 pm

1 stop7h 04m

$595

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Mon 4/13

4:05 pm-10:40 pm

1 stop5h 35m

Québec City

Fri 4/17

9:15 am-3:24 pm

2 stops7h 09m

$598

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Mon 4/27

7:45 am-10:41 pm

2 stops13h 56m

Québec City

Tue 5/5

3:00 pm-9:04 pm

1 stop7h 04m

$605

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Mon 4/27

7:45 am-10:41 pm

2 stops13h 56m

Québec City

Tue 5/5

6:00 am-3:21 pm

2 stops10h 21m

$610

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Mon 4/13

4:05 pm-8:20 am

2 stops15h 15m

Québec City

Fri 4/17

9:15 am-3:24 pm

2 stops7h 09m

$636

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Fri 5/1

1:30 pm-8:01 pm

1 stop5h 31m

Québec City

Sat 5/9

10:25 am-3:16 pm

1 stop5h 51m

$674

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sun 1/18

4:05 pm-10:43 pm

1 stop5h 38m

Québec City

Wed 1/21

10:55 am-3:29 pm

1 stop5h 34m

$677

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sun 1/18

4:05 pm-10:43 pm

1 stop5h 38m

Québec City

Wed 1/21

5:35 am-3:29 pm

2 stops10h 54m

$686

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sat 5/9

8:00 am-2:18 pm

1 stop5h 18m

Québec City

Sat 5/16

6:00 am-3:21 pm

2 stops10h 21m

$688

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 month to fly to Québec City?

The cheapest month to fly to Québec City from St. Louis is in October. Flight prices, which tend to average around $298, are often lower during this time because this is during the off-season. If you’re not able to fly to Québec City in October, then February is your next best option. Flight prices from St. Louis to Québec City during February average around $369.

What is the cheapest day to depart on your flight to Québec City?

The cheapest day to depart from St. Louis to Québec City is on a Saturday when prices can be found for as low as $366. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Québec City on Tuesday is $853.

What is the cheapest time of day to depart on your flight to Québec City?

In the morning is the cheapest time of day to fly from St. Louis to Québec City when you can find flight prices for as low as $652. Flying to Québec City in the morning is an ideal time because this is during off-peak travel hours. In the afternoon is when there is more demand to fly to Québec City, so prices are often more expensive at around $744 per ticket.

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 33m

Direct flights

None
The fastest flight from St. Louis to Québec City takes 5h 33m
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 18m.

  • 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 $320Free CancellationRating
7.1
10,500 reviews
Search Air Canada flights
United AirlinesPriceFrom $358Free CancellationRating
7.4
9,065 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
Victoriaville
Baie-Saint-Paul
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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