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Cheap flights from St. Louis to Québec City from $289

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 6/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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.
United Airlines Logo
6:00 am - 2:08 pm
STL
-
YQB
7h 08m
1 stop
United Airlines Logo
4:55 pm - 11:36 pm
YQB
-
STL
7h 41m
1 stop
$627United Airlines
Tue, Jun 9 - Tue, Jun 9
American Airlines Logo
5:40 pm - 1:09 pm
STL
-
YQB
18h 29m
1 stop
American Airlines Logo
4:11 pm - 11:59 pm
YQB
-
STL
8h 48m
1 stop
$661American Airlines
Mon, Jun 15 - Mon, Jun 22
United Airlines Logo
6:00 am - 12:02 pm
STL
-
YQB
5h 02m
1 stop
United Airlines Logo
6:00 am - 11:41 am
YQB
-
STL
6h 41m
1 stop
$679United Airlines
Tue, Jun 16 - Sun, Jun 21
United Airlines Logo
6:01 am - 4:00 pm
STL
-
YQB
8h 59m
1 stop
United Airlines Logo
4:55 pm - 11:45 pm
YQB
-
STL
7h 50m
1 stop
$686United Airlines
Thu, Jun 25 - Sun, Jun 28
United Airlines Logo
7:30 am - 10:41 pm
STL
-
YQB
14h 11m
1 stop
United Airlines Logo
12:45 pm - 9:24 pm
YQB
-
STL
9h 39m
1 stop
$687United Airlines
Sat, Oct 10 - Sat, Oct 17
United Airlines Logo
6:01 am - 4:00 pm
STL
-
YQB
8h 59m
1 stop
United Airlines Logo
6:00 am - 9:26 pm
YQB
-
STL
16h 26m
2 stops
$696United Airlines
Thu, Jun 25 - Sun, Jun 28
American Airlines Logo
8:14 pm - 5:15 pm
STL
-
YQB
20h 01m
1 stop
American Airlines Logo
1:55 pm - 8:31 am
YQB
-
STL
19h 36m
1 stop
$697American Airlines
Fri, Jun 19 - Mon, Jul 6
United Airlines Logo
6:49 pm - 12:02 pm
STL
-
YQB
16h 13m
2 stops
United Airlines Logo
6:00 am - 4:26 pm
YQB
-
STL
11h 26m
2 stops
$702United Airlines
Sat, Oct 10 - Sat, Oct 17
Air Canada Logo
12:10 pm - 7:41 pm
STL
-
YQB
6h 31m
1 stop
Air Canada Logo
1:05 pm - 6:42 pm
YQB
-
STL
6h 37m
1 stop
$707Air Canada
Mon, Aug 31 - Sat, Sep 5
Air Canada Logo
8:55 am - 11:12 pm
STL
-
YQB
13h 17m
1 stop
Air Canada Logo
1:05 pm - 6:41 pm
YQB
-
STL
6h 36m
1 stop
$709Air Canada
Thu, Sep 17 - Sun, Oct 4

United Airlines flights from St. Louis to Québec City

Our best United Airlines deals on St. Louis to Québec City flight tickets
United Airlines
Jun 9
STL6:00 amLambert-St Louis
7h 08m
1 stop
YQB2:08 pmQuébec City
Jun 9
YQB4:55 pmQuébec City
7h 41m
1 stop
STL11:36 pmLambert-St Louis
$627
United Airlines
Jun 16
STL6:00 amLambert-St Louis
5h 02m
1 stop
YQB12:02 pmQuébec City
Jun 21
YQB6:00 amQuébec City
6h 41m
1 stop
STL11:41 amLambert-St Louis
$679
United Airlines
Jun 25
STL6:01 amLambert-St Louis
8h 59m
1 stop
YQB4:00 pmQuébec City
Jun 28
YQB4:55 pmQuébec City
7h 50m
1 stop
STL11:45 pmLambert-St Louis
$686

American Airlines flights from St. Louis to Québec City

Our best American Airlines deals on St. Louis to Québec City flight tickets
American Airlines
Jun 15
STL5:40 pmLambert-St Louis
18h 29m
1 stop
YQB1:09 pmQuébec City
Jun 22
YQB4:11 pmQuébec City
8h 48m
1 stop
STL11:59 pmLambert-St Louis
$661
American Airlines
Jun 19
STL8:14 pmLambert-St Louis
20h 01m
1 stop
YQB5:15 pmQuébec City
Jul 6
YQB1:55 pmQuébec City
19h 36m
1 stop
STL8:31 amLambert-St Louis
$697
American Airlines
Jul 24
STL6:16 pmLambert-St Louis
21h 52m
1 stop
YQB5:08 pmQuébec City
Aug 1
YQB1:48 pmQuébec City
21h 50m
1 stop
STL10:38 amLambert-St Louis
$721

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 May 2, 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 6/9

6:00 am-2:08 pm

1 stop7h 08m

Québec City

Tue 6/9

4:55 pm-11:36 pm

1 stop7h 41m

$627

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Mon 6/15

5:40 pm-1:09 pm

1 stop18h 29m

Québec City

Mon 6/22

4:11 pm-11:59 pm

1 stop8h 48m

$661
Quickest round-trip

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Tue 6/16

6:00 am-12:02 pm

1 stop5h 02m

Québec City

Sun 6/21

6:00 am-11:41 am

1 stop6h 41m

$679

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Thu 6/25

6:01 am-4:00 pm

1 stop8h 59m

Québec City

Sun 6/28

4:55 pm-11:45 pm

1 stop7h 50m

$686

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sat 10/10

7:30 am-10:41 pm

1 stop14h 11m

Québec City

Sat 10/17

12:45 pm-9:24 pm

1 stop9h 39m

$687

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Thu 6/25

6:01 am-4:00 pm

1 stop8h 59m

Québec City

Sun 6/28

6:00 am-9:26 pm

2 stops16h 26m

$696

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Fri 6/19

8:14 pm-5:15 pm

1 stop20h 01m

Québec City

Mon 7/6

1:55 pm-8:31 am

1 stop19h 36m

$697

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sat 10/10

6:49 pm-12:02 pm

2 stops16h 13m

Québec City

Sat 10/17

6:00 am-4:26 pm

2 stops11h 26m

$702

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Mon 8/31

12:10 pm-7:41 pm

1 stop6h 31m

Québec City

Sat 9/5

1:05 pm-6:42 pm

1 stop6h 37m

$707

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Thu 9/17

8:55 am-11:12 pm

1 stop13h 17m

Québec City

Sun 10/4

1:05 pm-6:41 pm

1 stop6h 36m

$709

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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 airline that flies from Lambert-St Louis to Québec City?

United Airlines and American 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 01m

Direct flights

None
The fastest flight from St. Louis to Québec City takes 5h 01m
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 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
9,679 reviews
Search United Airlines flights
Air CanadaPriceFrom $696Free CancellationRating
7.1
10,988 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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