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Cheap flights from St. Louis to Québec City from $285

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 10/3. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Québec City

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:18 pm - 1:53 pmSTL  Lambert-St Louis-YQB Québec City
19h 35m1 stop Chicago O'Hare Intl
American Airlines Logo
3:59 pm - 10:50 amYQB  Québec City-STL Lambert-St Louis
19h 51m2 stops Philadelphia Chicago O'Hare Intl
$595American Airlines
Mon, Sep 28 - Mon, Oct 5
American Airlines Logo
5:18 pm - 1:14 pmSTL  Lambert-St Louis-YQB Québec City
18h 56m2 stops Chicago O'Hare Intl Philadelphia
American Airlines Logo
3:59 pm - 10:50 amYQB  Québec City-STL Lambert-St Louis
19h 51m2 stops Philadelphia Chicago O'Hare Intl
$600American Airlines
Mon, Sep 28 - Mon, Oct 5
American Airlines Logo
5:18 pm - 1:53 pmSTL  Lambert-St Louis-YQB Québec City
19h 35m1 stop Chicago O'Hare Intl
American Airlines Logo
2:25 pm - 10:50 amYQB  Québec City-STL Lambert-St Louis
21h 25m1 stop Chicago O'Hare Intl
$615American Airlines
Mon, Sep 28 - Mon, Oct 5
Air Canada Logo
4:05 pm - 11:16 pmSTL  Lambert-St Louis-YQB Québec City
6h 11m1 stop Toronto Pearson Intl
Air Canada Logo
10:40 am - 3:26 pmYQB  Québec City-STL Lambert-St Louis
5h 46m1 stop Toronto Pearson Intl
$619Air Canada
Tue, Feb 9 - Sun, Feb 21
American Airlines Logo
8:13 pm - 12:51 pmSTL  Lambert-St Louis-YQB Québec City
15h 38m2 stops Chicago O'Hare Intl Philadelphia
American Airlines Logo
2:00 pm - 12:50 pmYQB  Québec City-STL Lambert-St Louis
23h 50m2 stops Philadelphia Chicago O'Hare Intl
$621American Airlines
Sat, Nov 14 - Mon, Nov 16
Air Canada Logo
8:55 am - 4:07 pmSTL  Lambert-St Louis-YQB Québec City
6h 12m1 stop Toronto Pearson Intl
Air Canada Logo
2:25 pm - 8:20 pmYQB  Québec City-STL Lambert-St Louis
6h 55m1 stop Toronto Pearson Intl
$627Air Canada
Thu, Sep 17 - Sat, Sep 19
Air Canada Logo
2:40 pm - 10:51 pmSTL  Lambert-St Louis-YQB Québec City
7h 11m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
1:40 pm - 8:00 pmYQB  Québec City-STL Lambert-St Louis
7h 20m2 stops Ottawa Toronto Pearson Intl
$634Air Canada
Mon, Sep 28 - Mon, Oct 5
United Airlines Logo
5:00 am - 2:45 pmSTL  Lambert-St Louis-YQB Québec City
8h 45m1 stop Chicago O'Hare Intl
United Airlines Logo
6:00 am - 9:52 pmYQB  Québec City-STL Lambert-St Louis
16h 52m1 stop Newark
$733United Airlines
Sat, Oct 31 - Wed, Nov 4
United Airlines Logo
7:00 am - 3:08 pmSTL  Lambert-St Louis-YQB Québec City
7h 08m1 stop Newark
United Airlines Logo
6:00 am - 9:09 pmYQB  Québec City-STL Lambert-St Louis
16h 09m1 stop Newark
$733United Airlines
Tue, Sep 22 - Sun, Sep 27
United Airlines Logo
12:28 pm - 10:41 pmSTL  Lambert-St Louis-YQB Québec City
9h 13m1 stop Newark
United Airlines Logo
3:53 pm - 9:37 pmYQB  Québec City-STL Lambert-St Louis
6h 44m1 stop Newark
$733United Airlines
Tue, Sep 22 - Sat, Sep 26

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American Airlines flights from St. Louis to Québec City

Our best American Airlines deals on St. Louis to Québec City flight tickets
American Airlines
Sep 28
STL5:18 pmLambert-St Louis
19h 35m
1 stop
YQB1:53 pmQuébec City
Oct 5
YQB3:59 pmQuébec City
19h 51m
2 stops
STL10:50 amLambert-St Louis
$595
American Airlines
Sep 28
STL5:18 pmLambert-St Louis
18h 56m
2 stops
YQB1:14 pmQuébec City
Oct 5
YQB3:59 pmQuébec City
19h 51m
2 stops
STL10:50 amLambert-St Louis
$600
American Airlines
Sep 28
STL5:18 pmLambert-St Louis
19h 35m
1 stop
YQB1:53 pmQuébec City
Oct 5
YQB2:25 pmQuébec City
21h 25m
1 stop
STL10:50 amLambert-St Louis
$615

United Airlines flights from St. Louis to Québec City

Our best United Airlines deals on St. Louis to Québec City flight tickets
United Airlines
Sep 22
STL7:00 amLambert-St Louis
7h 08m
1 stop
YQB3:08 pmQuébec City
Sep 27
YQB6:00 amQuébec City
16h 09m
1 stop
STL9:09 pmLambert-St Louis
$733
United Airlines
Sep 22
STL12:59 pmLambert-St Louis
8h 42m
2 stops
YQB10:41 pmQuébec City
Sep 26
YQB6:00 amQuébec City
11h 00m
1 stop
STL4:00 pmLambert-St Louis
$743
United Airlines
Oct 31
STL5:00 amLambert-St Louis
8h 45m
1 stop
YQB2:45 pmQuébec City
Nov 4
YQB6:00 amQuébec City
16h 52m
1 stop
STL9:52 pmLambert-St Louis
$744

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 August 16, 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

St. LouisQuébec City

STL Lambert-St Louis - YQB Québec City

STLYQB

Lambert-St Louis

Mon 9/28

5:18 pm-1:53 pm

1 stop19h 35m

Québec City

Mon 10/5

3:59 pm-10:50 am

2 stops19h 51m

$595

St. LouisQuébec City

STL Lambert-St Louis - YQB Québec City

STLYQB

Lambert-St Louis

Mon 9/28

5:18 pm-1:14 pm

2 stops18h 56m

Québec City

Mon 10/5

3:59 pm-10:50 am

2 stops19h 51m

$600

St. LouisQuébec City

STL Lambert-St Louis - YQB Québec City

STLYQB

Lambert-St Louis

Mon 9/28

5:18 pm-1:53 pm

1 stop19h 35m

Québec City

Mon 10/5

2:25 pm-10:50 am

1 stop21h 25m

$615
Quickest round-trip

St. LouisQuébec City

STL Lambert-St Louis - YQB Québec City

STLYQB

Lambert-St Louis

Tue 2/9

4:05 pm-11:16 pm

1 stop6h 11m

Québec City

Sun 2/21

10:40 am-3:26 pm

1 stop5h 46m

$619

St. LouisQuébec City

STL Lambert-St Louis - YQB Québec City

STLYQB

Lambert-St Louis

Sat 11/14

8:13 pm-12:51 pm

2 stops15h 38m

Québec City

Mon 11/16

2:00 pm-12:50 pm

2 stops23h 50m

$621

St. LouisQuébec City

STL Lambert-St Louis - YQB Québec City

STLYQB

Lambert-St Louis

Thu 9/17

8:55 am-4:07 pm

1 stop6h 12m

Québec City

Sat 9/19

2:25 pm-8:20 pm

1 stop6h 55m

$627

St. LouisQuébec City

STL Lambert-St Louis - YQB Québec City

STLYQB

Lambert-St Louis

Mon 9/28

2:40 pm-10:51 pm

2 stops7h 11m

Québec City

Mon 10/5

1:40 pm-8:00 pm

2 stops7h 20m

$634

St. LouisQuébec City

STL Lambert-St Louis - YQB Québec City

STLYQB

Lambert-St Louis

Sat 10/31

5:00 am-2:45 pm

1 stop8h 45m

Québec City

Wed 11/4

6:00 am-9:52 pm

1 stop16h 52m

$733

St. LouisQuébec City

STL Lambert-St Louis - YQB Québec City

STLYQB

Lambert-St Louis

Tue 9/22

7:00 am-3:08 pm

1 stop7h 08m

Québec City

Sun 9/27

6:00 am-9:09 pm

1 stop16h 09m

$733

St. LouisQuébec City

STL Lambert-St Louis - YQB Québec City

STLYQB

Lambert-St Louis

Tue 9/22

12:28 pm-10:41 pm

1 stop9h 13m

Québec City

Sat 9/26

3:53 pm-9:37 pm

1 stop6h 44m

$733

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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, Air Canada, and United 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

6h 01m

Direct flights

None
The fastest flight from St. Louis to Québec City takes 6h 01m
There are no direct flights from St. Louis to Québec City. There are no popular flight routes from St. Louis to Québec City.
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Frequently asked questions about flying from St. Louis to Québec City

  • 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 6h 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
United AirlinesPriceFrom $486Free CancellationRating
7.4
10,105 reviews
Search United Airlines flights
Air CanadaPriceFrom $662Free CancellationRating
7.1
11,479 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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