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Cheap flights from St. Louis to Québec City from $269

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 9/16. 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
8:07 pm - 1:15 pm
STL
-
YQB
16h 08m
1 stop
American Airlines Logo
1:56 pm - 12:14 am
YQB
-
STL
11h 18m
1 stop
$524American Airlines
Tue, Aug 11 - Tue, Aug 18
American Airlines Logo
8:07 pm - 3:16 pm
STL
-
YQB
18h 09m
2 stops
American Airlines Logo
1:56 pm - 12:14 am
YQB
-
STL
11h 18m
1 stop
$533American Airlines
Tue, Aug 11 - Tue, Aug 18
American Airlines Logo
8:07 pm - 11:48 am
STL
-
YQB
14h 41m
2 stops
American Airlines Logo
3:56 pm - 8:24 am
YQB
-
STL
17h 28m
2 stops
$539American Airlines
Tue, Aug 11 - Tue, Aug 18
American Airlines Logo
2:31 pm - 1:14 pm
STL
-
YQB
21h 43m
1 stop
American Airlines Logo
1:56 pm - 12:54 pm
YQB
-
STL
23h 58m
1 stop
$573American Airlines
Mon, Aug 3 - Tue, Aug 11
American Airlines Logo
6:16 pm - 1:03 pm
STL
-
YQB
17h 47m
1 stop
American Airlines Logo
1:55 pm - 12:16 am
YQB
-
STL
11h 21m
1 stop
$576American Airlines
Fri, Jul 3 - Wed, Jul 8
American Airlines Logo
5:58 pm - 1:14 pm
STL
-
YQB
18h 16m
1 stop
American Airlines Logo
3:56 pm - 8:24 am
YQB
-
STL
17h 28m
2 stops
$583American Airlines
Mon, Aug 3 - Tue, Aug 11
Air Canada Logo
12:10 pm - 7:41 pm
STL
-
YQB
6h 31m
1 stop
Air Canada Logo
2:50 pm - 6:41 pm
YQB
-
STL
4h 51m
1 stop
$588Air Canada
Sun, Sep 6 - Thu, Sep 10
Air Canada Logo
8:55 am - 4:01 pm
STL
-
YQB
6h 06m
1 stop
Air Canada Logo
1:05 pm - 6:41 pm
YQB
-
STL
6h 36m
1 stop
$592Air Canada
Sun, Sep 6 - Thu, Sep 10
American Airlines Logo
6:30 am - 1:14 pm
STL
-
YQB
5h 44m
1 stop
American Airlines Logo
1:54 pm - 10:29 am
YQB
-
STL
21h 35m
1 stop
$596American Airlines
Wed, Sep 9 - Thu, Sep 17
Air Canada Logo
12:10 pm - 7:41 pm
STL
-
YQB
6h 31m
1 stop
Air Canada Logo
1:40 pm - 8:00 pm
YQB
-
STL
7h 20m
2 stops
$598Air Canada
Sun, Sep 6 - Thu, Sep 10

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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
Aug 11
STL8:07 pmLambert-St Louis
16h 08m
1 stop
YQB1:15 pmQuébec City
Aug 18
YQB1:56 pmQuébec City
11h 18m
1 stop
STL12:14 amLambert-St Louis
$524
American Airlines
Aug 11
STL8:07 pmLambert-St Louis
18h 09m
2 stops
YQB3:16 pmQuébec City
Aug 18
YQB1:56 pmQuébec City
11h 18m
1 stop
STL12:14 amLambert-St Louis
$533
American Airlines
Aug 11
STL8:07 pmLambert-St Louis
14h 41m
2 stops
YQB11:48 amQuébec City
Aug 18
YQB3:56 pmQuébec City
17h 28m
2 stops
STL8:24 amLambert-St Louis
$539

Air Canada flights from St. Louis to Québec City

Our best Air Canada deals on St. Louis to Québec City flight tickets
Air Canada
Sep 6
STL12:10 pmLambert-St Louis
6h 31m
1 stop
YQB7:41 pmQuébec City
Sep 10
YQB2:50 pmQuébec City
4h 51m
1 stop
STL6:41 pmLambert-St Louis
$588
Air Canada
Sep 6
STL8:55 amLambert-St Louis
6h 06m
1 stop
YQB4:01 pmQuébec City
Sep 10
YQB1:05 pmQuébec City
6h 36m
1 stop
STL6:41 pmLambert-St Louis
$592
Air Canada
Sep 6
STL12:10 pmLambert-St Louis
6h 31m
1 stop
YQB7:41 pmQuébec City
Sep 10
YQB1:40 pmQuébec City
7h 20m
2 stops
STL8:00 pmLambert-St Louis
$598

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 June 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

Cheapest round-trip

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Tue 8/11

8:07 pm-1:15 pm

1 stop16h 08m

Québec City

Tue 8/18

1:56 pm-12:14 am

1 stop11h 18m

$524

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Tue 8/11

8:07 pm-3:16 pm

2 stops18h 09m

Québec City

Tue 8/18

1:56 pm-12:14 am

1 stop11h 18m

$533

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Tue 8/11

8:07 pm-11:48 am

2 stops14h 41m

Québec City

Tue 8/18

3:56 pm-8:24 am

2 stops17h 28m

$539

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Mon 8/3

2:31 pm-1:14 pm

1 stop21h 43m

Québec City

Tue 8/11

1:56 pm-12:54 pm

1 stop23h 58m

$573

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Fri 7/3

6:16 pm-1:03 pm

1 stop17h 47m

Québec City

Wed 7/8

1:55 pm-12:16 am

1 stop11h 21m

$576

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Mon 8/3

5:58 pm-1:14 pm

1 stop18h 16m

Québec City

Tue 8/11

3:56 pm-8:24 am

2 stops17h 28m

$583
Quickest round-trip

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sun 9/6

12:10 pm-7:41 pm

1 stop6h 31m

Québec City

Thu 9/10

2:50 pm-6:41 pm

1 stop4h 51m

$588

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sun 9/6

8:55 am-4:01 pm

1 stop6h 06m

Québec City

Thu 9/10

1:05 pm-6:41 pm

1 stop6h 36m

$592

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Wed 9/9

6:30 am-1:14 pm

1 stop5h 44m

Québec City

Thu 9/17

1:54 pm-10:29 am

1 stop21h 35m

$596

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sun 9/6

12:10 pm-7:41 pm

1 stop6h 31m

Québec City

Thu 9/10

1:40 pm-8:00 pm

2 stops7h 20m

$598

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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, 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

5h 08m

Direct flights

None
The fastest flight from St. Louis to Québec City takes 5h 08m
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

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 5h 08m.

  • 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 $356Free CancellationRating
7.1
11,194 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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