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Cheap flights from St. Louis to Québec City from $153

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 10/24. 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

United Airlines Logo
5:00 am - 2:16 pmSTL-YQB
8h 16m1 stop
United Airlines Logo
5:20 am - 3:44 pmYQB-STL
11h 24m2 stops
$351United Airlines
Find Deal
Wed, Oct 22 - Sat, Oct 25
United Airlines Logo
5:00 am - 2:16 pmSTL-YQB
8h 16m1 stop
United Airlines Logo
5:20 am - 3:44 pmYQB-STL
11h 24m2 stops
$361United Airlines
Find Deal
Wed, Oct 22 - Sat, Oct 25
United Airlines Logo
5:00 am - 10:10 pmSTL-YQB
16h 10m2 stops
United Airlines Logo
4:55 pm - 10:49 amYQB-STL
18h 54m2 stops
$371United Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 22
United Airlines Logo
12:25 pm - 10:20 amSTL-YQB
20h 55m2 stops
United Airlines Logo
5:20 am - 3:44 pmYQB-STL
11h 24m2 stops
$386United Airlines
Find Deal
Wed, Oct 22 - Sat, Oct 25
American Airlines Logo
8:04 pm - 1:36 pmSTL-YQB
16h 32m1 stop
American Airlines Logo
4:14 pm - 1:44 pmYQB-STL
22h 30m1 stop
$389American Airlines
Find Deal
Wed, Oct 22 - Sat, Oct 25
American Airlines Logo
8:42 am - 1:36 pmSTL-YQB
27h 54m1 stop
American Airlines Logo
4:14 pm - 8:09 amYQB-STL
16h 55m1 stop
$536American Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 22
Multiple Airlines Logo
1:00 pm - 10:14 pmSTL-YQB
32h 14m3 stops
Multiple Airlines Logo
6:00 am - 3:29 pmYQB-STL
10h 29m2 stops
$637Multiple Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
Multiple Airlines Logo
1:00 pm - 6:14 pmSTL-YQB
28h 14m3 stops
Multiple Airlines Logo
1:40 pm - 3:29 pmYQB-STL
26h 49m3 stops
$706Multiple Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
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
$828Air Canada
Find Deal
Mon, Nov 24 - Fri, Nov 28
Air Canada Logo
4:05 pm - 10:43 pmSTL-YQB
5h 38m1 stop
Air Canada Logo
9:15 am - 3:29 pmYQB-STL
7h 14m2 stops
$833Air Canada
Find Deal
Mon, Feb 9 - Thu, Feb 12

United Airlines flights from St. Louis to Québec City

Our best United Airlines deals on St. Louis to Québec City flight tickets
United Airlines
Oct 22
STL5:00 amLambert-St Louis
8h 16m
1 stop
YQB2:16 pmQuébec City
Oct 25
YQB5:20 amQuébec City
11h 24m
2 stops
STL3:44 pmLambert-St Louis
$351
Find similar
United Airlines
Oct 22
STL5:00 amLambert-St Louis
8h 16m
1 stop
YQB2:16 pmQuébec City
Oct 25
YQB5:20 amQuébec City
11h 24m
2 stops
STL3:44 pmLambert-St Louis
$361
Find similar
United Airlines
Oct 15
STL5:00 amLambert-St Louis
16h 10m
2 stops
YQB10:10 pmQuébec City
Oct 22
YQB4:55 pmQuébec City
18h 54m
2 stops
STL10:49 amLambert-St Louis
$371
Find similar

American Airlines flights from St. Louis to Québec City

Our best American Airlines deals on St. Louis to Québec City flight tickets
American Airlines
Oct 22
STL8:04 pmLambert-St Louis
16h 32m
1 stop
YQB1:36 pmQuébec City
Oct 25
YQB4:14 pmQuébec City
22h 30m
1 stop
STL1:44 pmLambert-St Louis
$389
Find similar
American Airlines
Oct 15
STL8:42 amLambert-St Louis
27h 54m
1 stop
YQB1:36 pmQuébec City
Oct 22
YQB4:14 pmQuébec City
16h 55m
1 stop
STL8:09 amLambert-St Louis
$536
Find similar
American Airlines
Oct 15
STL8:04 pmLambert-St Louis
18h 30m
2 stops
YQB3:34 pmQuébec City
Oct 22
YQB4:14 pmQuébec City
22h 30m
1 stop
STL1:44 pmLambert-St Louis
$546
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 September 17, 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

Wed 10/22

5:00 am-2:16 pm

1 stop8h 16m

Québec City

Sat 10/25

5:20 am-3:44 pm

2 stops11h 24m

$351

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Wed 10/22

5:00 am-2:16 pm

1 stop8h 16m

Québec City

Sat 10/25

5:20 am-3:44 pm

2 stops11h 24m

$361

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Wed 10/15

5:00 am-10:10 pm

2 stops16h 10m

Québec City

Wed 10/22

4:55 pm-10:49 am

2 stops18h 54m

$371

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Wed 10/22

12:25 pm-10:20 am

2 stops20h 55m

Québec City

Sat 10/25

5:20 am-3:44 pm

2 stops11h 24m

$386

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Wed 10/22

8:04 pm-1:36 pm

1 stop16h 32m

Québec City

Sat 10/25

4:14 pm-1:44 pm

1 stop22h 30m

$389

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Wed 10/15

8:42 am-1:36 pm

1 stop27h 54m

Québec City

Wed 10/22

4:14 pm-8:09 am

1 stop16h 55m

$536

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Thu 10/30

1:00 pm-10:14 pm

3 stops32h 14m

Québec City

Thu 11/6

6:00 am-3:29 pm

2 stops10h 29m

$637

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Thu 10/30

1:00 pm-6:14 pm

3 stops28h 14m

Québec City

Thu 11/6

1:40 pm-3:29 pm

3 stops26h 49m

$706

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Mon 11/24

4:05 pm-10:43 pm

1 stop5h 38m

Québec City

Fri 11/28

10:55 am-3:29 pm

1 stop5h 34m

$828

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Mon 2/9

4:05 pm-10:43 pm

1 stop5h 38m

Québec City

Thu 2/12

9:15 am-3:29 pm

2 stops7h 14m

$833

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 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 $236, 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 January is your next best option. Flight prices from St. Louis to Québec City during January average around $288.

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

Direct flights

None
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 13m.

  • 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
10,000 reviews
Search Air Canada flights
United AirlinesPriceFrom $358Free CancellationRating
7.4
8,926 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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