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Cheap flights from St. Louis to Québec City from $406

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 5/2. 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.
Air Canada Logo
1:05 pm - 7:45 pm
STL
-
YQB
5h 40m
1 stop
Air Canada Logo
2:50 pm - 8:25 pm
YQB
-
STL
6h 35m
1 stop
$642Air Canada
Wed, May 27 - Thu, May 28
Air Canada Logo
7:05 am - 1:30 pm
STL
-
YQB
5h 25m
1 stop
Air Canada Logo
2:50 pm - 8:25 pm
YQB
-
STL
6h 35m
1 stop
$647Air Canada
Sat, May 23 - Wed, May 27
United Airlines Logo
6:00 am - 12:02 pm
STL
-
YQB
5h 02m
1 stop
United Airlines Logo
4:55 pm - 11:35 pm
YQB
-
STL
7h 40m
1 stop
$650United Airlines
Wed, Jun 3 - Wed, Jun 10
Air Canada Logo
7:05 am - 4:56 pm
STL
-
YQB
8h 51m
2 stops
Air Canada Logo
2:50 pm - 8:25 pm
YQB
-
STL
6h 35m
1 stop
$656Air Canada
Wed, May 27 - Thu, May 28
United Airlines Logo
1:13 pm - 10:41 pm
STL
-
YQB
8h 28m
2 stops
United Airlines Logo
6:00 am - 11:41 am
YQB
-
STL
6h 41m
1 stop
$660United Airlines
Sat, May 23 - Wed, May 27
United Airlines Logo
6:00 am - 10:41 pm
STL
-
YQB
15h 41m
3 stops
United Airlines Logo
3:05 pm - 9:16 pm
YQB
-
STL
7h 11m
1 stop
$661United Airlines
Wed, Jun 3 - Wed, Jun 10
United Airlines Logo
1:13 pm - 10:41 pm
STL
-
YQB
8h 28m
2 stops
United Airlines Logo
6:00 am - 2:23 pm
YQB
-
STL
9h 23m
2 stops
$665United Airlines
Sat, May 23 - Wed, May 27
Air Canada Logo
7:05 am - 4:56 pm
STL
-
YQB
8h 51m
2 stops
Air Canada Logo
5:35 am - 12:06 pm
YQB
-
STL
7h 31m
2 stops
$669Air Canada
Wed, May 27 - Thu, May 28
United Airlines Logo
6:00 am - 10:41 pm
STL
-
YQB
15h 41m
3 stops
United Airlines Logo
6:00 am - 4:33 pm
YQB
-
STL
11h 33m
2 stops
$671United Airlines
Wed, Jun 3 - Wed, Jun 10
Air Canada Logo
1:05 pm - 7:46 pm
STL
-
YQB
5h 41m
1 stop
Air Canada Logo
1:05 pm - 8:25 pm
YQB
-
STL
8h 20m
1 stop
$672Air Canada
Mon, May 4 - Fri, May 8

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 3
STL6:00 amLambert-St Louis
5h 02m
1 stop
YQB12:02 pmQuébec City
Jun 10
YQB4:55 pmQuébec City
7h 40m
1 stop
STL11:35 pmLambert-St Louis
$650
United Airlines
May 23
STL1:13 pmLambert-St Louis
8h 28m
2 stops
YQB10:41 pmQuébec City
May 27
YQB6:00 amQuébec City
6h 41m
1 stop
STL11:41 amLambert-St Louis
$660
United Airlines
Jun 3
STL6:00 amLambert-St Louis
15h 41m
3 stops
YQB10:41 pmQuébec City
Jun 10
YQB3:05 pmQuébec City
7h 11m
1 stop
STL9:16 pmLambert-St Louis
$661

Air Canada flights from St. Louis to Québec City

Our best Air Canada deals on St. Louis to Québec City flight tickets
Air Canada
May 27
STL1:05 pmLambert-St Louis
5h 40m
1 stop
YQB7:45 pmQuébec City
May 28
YQB2:50 pmQuébec City
6h 35m
1 stop
STL8:25 pmLambert-St Louis
$642
Air Canada
May 23
STL7:05 amLambert-St Louis
5h 25m
1 stop
YQB1:30 pmQuébec City
May 27
YQB2:50 pmQuébec City
6h 35m
1 stop
STL8:25 pmLambert-St Louis
$647
Air Canada
May 27
STL7:05 amLambert-St Louis
8h 51m
2 stops
YQB4:56 pmQuébec City
May 28
YQB2:50 pmQuébec City
6h 35m
1 stop
STL8:25 pmLambert-St Louis
$656

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 April 20, 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

Wed 5/27

1:05 pm-7:45 pm

1 stop5h 40m

Québec City

Thu 5/28

2:50 pm-8:25 pm

1 stop6h 35m

$642
Quickest round-trip

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sat 5/23

7:05 am-1:30 pm

1 stop5h 25m

Québec City

Wed 5/27

2:50 pm-8:25 pm

1 stop6h 35m

$647

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Wed 6/3

6:00 am-12:02 pm

1 stop5h 02m

Québec City

Wed 6/10

4:55 pm-11:35 pm

1 stop7h 40m

$650

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Wed 5/27

7:05 am-4:56 pm

2 stops8h 51m

Québec City

Thu 5/28

2:50 pm-8:25 pm

1 stop6h 35m

$656

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sat 5/23

1:13 pm-10:41 pm

2 stops8h 28m

Québec City

Wed 5/27

6:00 am-11:41 am

1 stop6h 41m

$660

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Wed 6/3

6:00 am-10:41 pm

3 stops15h 41m

Québec City

Wed 6/10

3:05 pm-9:16 pm

1 stop7h 11m

$661

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sat 5/23

1:13 pm-10:41 pm

2 stops8h 28m

Québec City

Wed 5/27

6:00 am-2:23 pm

2 stops9h 23m

$665

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Wed 5/27

7:05 am-4:56 pm

2 stops8h 51m

Québec City

Thu 5/28

5:35 am-12:06 pm

2 stops7h 31m

$669

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Wed 6/3

6:00 am-10:41 pm

3 stops15h 41m

Québec City

Wed 6/10

6:00 am-4:33 pm

2 stops11h 33m

$671

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Mon 5/4

1:05 pm-7:46 pm

1 stop5h 41m

Québec City

Fri 5/8

1:05 pm-8:25 pm

1 stop8h 20m

$672

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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?

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

4h 42m

Direct flights

None
The fastest flight from St. Louis to Québec City takes 4h 42m
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 4h 42m.

  • 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 $516Free CancellationRating
7.4
9,607 reviews
Search United Airlines flights
Air CanadaPriceFrom $589Free CancellationRating
7.1
10,943 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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