What airlines fly to Quebec?

Air Canada, United Airlines and American Airlines are the top three most popular airlines that fly to Quebec from St. Louis according to our data. Air Canada is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Quebec. Keep in mind that there are 4 different airlines that fly to Quebec on a routine basis, so you have a few additional options to choose from.

How many flights depart from St. Louis to Quebec on average per week?

As of April 2026, there are 6 flights per week flying from St. Louis to Quebec. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.

What is the cheapest airline that flies from Lambert-St Louis to Quebec?

United Airlines, Air Canada, and American Airlines are the most popular carriers operating from Lambert-St Louis to Quebec

When did momondo last update prices for flights from Lambert-St Louis Airport to Quebec?

Prices for flights from Lambert-St Louis Airport to Quebec were last updated today.

How many operators does momondo search for flights from Lambert-St Louis Airport to Quebec?

The number of operators available for flights from Lambert-St Louis Airport to Quebec is 4 as of April 2026.

How old do you have to be to fly from Lambert-St Louis Airport to Quebec?

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 Quebec.

What documentation or ID do you need to fly to Quebec?

The required travel and health documents for your Quebec 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 Quebec. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$152 Cheap Flights from St. Louis to Quebec in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Quebec

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:05 pm - 8:46 pm

STL

YOW

6h 41m

1 stop

2:40 pm - 8:25 pm

YOW

STL

6h 45m

1 stop

$373Air Canada

Wed, May 13 - Sun, May 17

2:15 pm - 9:16 pm

STL

YOW

6h 01m

1 stop

2:40 pm - 8:25 pm

YOW

STL

6h 45m

1 stop

$378Air Canada

Tue, Jun 2 - Thu, Jun 4

6:00 am - 5:07 pm

STL

YOW

10h 07m

1 stop

3:10 pm - 11:36 pm

YOW

STL

9h 26m

1 stop

$381United Airlines

Tue, Jun 9 - Tue, Jun 16

7:05 am - 1:05 pm

STL

YOW

5h 00m

1 stop

7:00 am - 12:06 pm

YOW

STL

6h 06m

1 stop

$383Air Canada

Tue, May 12 - Sat, May 16

9:23 am - 9:35 pm

STL

YOW

11h 12m

1 stop

6:00 am - 6:13 pm

YOW

STL

13h 13m

2 stops

$391United Airlines

Sun, Jul 19 - Wed, Jul 22

7:05 am - 9:16 pm

STL

YOW

13h 11m

1 stop

3:00 pm - 8:25 pm

YOW

STL

6h 25m

1 stop

$403Air Canada

Tue, May 12 - Sat, May 16

6:00 am - 6:53 pm

STL

YUL

11h 53m

1 stop

9:30 am - 8:39 pm

YUL

STL

12h 09m

1 stop

$485Delta

Tue, May 26 - Tue, Jun 2

6:00 am - 6:53 pm

STL

YUL

11h 53m

1 stop

9:30 am - 9:38 pm

YUL

STL

13h 08m

2 stops

$495Delta

Tue, May 26 - Tue, Jun 2

7:30 am - 10:59 pm

STL

YUL

14h 29m

1 stop

12:30 pm - 11:56 pm

YUL

STL

12h 26m

1 stop

$499American Airlines

Tue, Jun 9 - Tue, Jun 16

5:40 pm - 3:31 pm

STL

YQB

20h 51m

1 stop

5:55 pm - 8:31 am

YQB

STL

15h 36m

1 stop

$650American Airlines

Wed, Jun 17 - Sat, Jun 20

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Delta flights from St. Louis to Quebec

Our best Delta deals on St. Louis to Quebec flight tickets

Delta

May 26

STL6:00 amLambert-St Louis

11h 53m

1 stop

YUL6:53 pmMontreal Pierre Elliott Trudeau Intl

Jun 2

YUL9:30 amMontreal Pierre Elliott Trudeau Intl

12h 09m

1 stop

STL8:39 pmLambert-St Louis

$485

Delta

May 12

STL6:45 amLambert-St Louis

9h 50m

2 stops

YOW5:35 pmOttawa

May 16

YOW12:25 pmOttawa

11h 56m

2 stops

STL11:21 pmLambert-St Louis

$486

Delta

May 13

STL6:45 amLambert-St Louis

9h 50m

2 stops

YOW5:35 pmOttawa

May 17

YOW6:55 amOttawa

7h 15m

2 stops

STL1:10 pmLambert-St Louis

$494

American Airlines flights from St. Louis to Quebec

Our best American Airlines deals on St. Louis to Quebec flight tickets

American Airlines

Jun 9

STL7:30 amLambert-St Louis

14h 29m

1 stop

YUL10:59 pmMontreal Pierre Elliott Trudeau Intl

Jun 16

YUL12:30 pmMontreal Pierre Elliott Trudeau Intl

12h 26m

1 stop

STL11:56 pmLambert-St Louis

$499

American Airlines

Sep 25

STL3:29 pmLambert-St Louis

17h 16m

1 stop

YUL9:45 amMontreal Pierre Elliott Trudeau Intl

Sep 29

YUL10:35 amMontreal Pierre Elliott Trudeau Intl

11h 28m

2 stops

STL9:03 pmLambert-St Louis

$597

American Airlines

Jun 17

STL5:40 pmLambert-St Louis

20h 51m

1 stop

YQB3:31 pmQuébec City

Jun 20

YQB5:55 pmQuébec City

15h 36m

1 stop

STL8:31 amLambert-St Louis

$650

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisOttawa

STL - YOW

STLYOW

Lambert-St Louis

Wed 5/13

1:05 pm-8:46 pm

1 stop6h 41m

Ottawa

Sun 5/17

2:40 pm-8:25 pm

1 stop6h 45m

$373

St. LouisOttawa

STL - YOW

STLYOW

Lambert-St Louis

Tue 6/2

2:15 pm-9:16 pm

1 stop6h 01m

Ottawa

Thu 6/4

2:40 pm-8:25 pm

1 stop6h 45m

$378

St. LouisOttawa

STL - YOW

STLYOW

Lambert-St Louis

Tue 6/9

6:00 am-5:07 pm

1 stop10h 07m

Ottawa

Tue 6/16

3:10 pm-11:36 pm

1 stop9h 26m

$381

Quickest round-trip

St. LouisOttawa

STL - YOW

STLYOW

Lambert-St Louis

Tue 5/12

7:05 am-1:05 pm

1 stop5h 00m

Ottawa

Sat 5/16

7:00 am-12:06 pm

1 stop6h 06m

$383

St. LouisOttawa

STL - YOW

STLYOW

Lambert-St Louis

Sun 7/19

9:23 am-9:35 pm

1 stop11h 12m

Ottawa

Wed 7/22

6:00 am-6:13 pm

2 stops13h 13m

$391

St. LouisOttawa

STL - YOW

STLYOW

Lambert-St Louis

Tue 5/12

7:05 am-9:16 pm

1 stop13h 11m

Ottawa

Sat 5/16

3:00 pm-8:25 pm

1 stop6h 25m

$403

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Tue 5/26

6:00 am-6:53 pm

1 stop11h 53m

Montreal Pierre Elliott Trudeau Intl

Tue 6/2

9:30 am-8:39 pm

1 stop12h 09m

$485

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Tue 5/26

6:00 am-6:53 pm

1 stop11h 53m

Montreal Pierre Elliott Trudeau Intl

Tue 6/2

9:30 am-9:38 pm

2 stops13h 08m

$495

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Tue 6/9

7:30 am-10:59 pm

1 stop14h 29m

Montreal Pierre Elliott Trudeau Intl

Tue 6/16

12:30 pm-11:56 pm

1 stop12h 26m

$499

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Wed 6/17

5:40 pm-3:31 pm

1 stop20h 51m

Québec City

Sat 6/20

5:55 pm-8:31 am

1 stop15h 36m

$650

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from St. Louis to Quebec

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

Prices

Airlines

Other information

What is the cheapest day to depart on your flight to Quebec?

Our data shows that Wednesday is the least expensive day to fly to Quebec. Tickets to fly out on this day can be as low as $919. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to Quebec for around $1,181.

What is the cheapest time of day to depart on your flight to Quebec?

The cheapest time of day to fly to Quebec is in the morning when flights can be purchased for as low as $995. Try not to purchase tickets at noon because they tend to be around $1,009. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Lambert-St Louis to Quebec flight route?

Fly from Lambert-St Louis to Montreal Pierre Elliott Trudeau Intl for the best Lambert-St Louis - Quebec flight prices

What cabin class options are available on St. Louis to Quebec flights?

There are 3 cabin classes available to choose from on St. Louis to Quebec flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on St. Louis to Quebec flights?

You could potentially save up to 5% on your flight if you consider stops on a St. Louis to Quebec flight.

Cheap St. Louis to Quebec flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Quebec

Best Price Found	$343
Fastest flight time	2h 31m
Direct flights	Every day
Airports in Quebec	76 airports

The best one-way flight to Quebec from St. Louis in the past 72 hours is $343. The best round-trip flight deal from St. Louis to Quebec found on momondo in the last 72 hours is $995.

The fastest flight from St. Louis to Quebec takes 2h 31m

Direct flights go from St. Louis to Quebec every day.

There are 76 airports in Quebec. From St. Louis there are direct flights to Montreal Pierre Elliott Trudeau Intl (YUL).

Search flight deals

Frequently asked questions about flying from St. Louis to Quebec

When did momondo last update prices for flights from Lambert-St Louis Airport to Quebec?
Prices for flights from Lambert-St Louis Airport to Quebec were last updated today.
How many operators does momondo search for flights from Lambert-St Louis Airport to Quebec?
The number of operators available for flights from Lambert-St Louis Airport to Quebec is 4 as of April 2026.
How old do you have to be to fly from Lambert-St Louis Airport to Quebec?
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 Quebec.
What documentation or ID do you need to fly to Quebec?
The required travel and health documents for your Quebec 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 Quebec. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from St. Louis to Quebec?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from St. Louis to Quebec is Boeing 787-8 Dreamliner (41.67% of total bookings). The next most popular plane models are Airbus A220-300 (16.67%), Canadair (Bombardier) Regional Jet 900 (16.67%), and Airbus A330-300 (5.00%).

Best airlines flying from St. Louis to Quebec

Compare and see reviews for airlines that fly from St. Louis to Quebec with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $212	Free Cancellation	Rating 7.9 8,460 reviews	Search Delta flights
United Airlines	PriceFrom $239	Free Cancellation	Rating 7.4 9,664 reviews	Search United Airlines flights
Air Canada	PriceFrom $318	Free Cancellation	Rating 7.1 10,974 reviews	Search Air Canada flights
American Airlines	PriceFrom $348	Free Cancellation	Rating 7.1 11,668 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Quebec?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Quebec. momondo saves you time and could save you money on your trip.

Can I find flights from St. Louis to Quebec with flexible booking policies on momondo?

momondo does allow users to show only those flights to Quebec from St. Louis which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from St. Louis to Quebec?

Once you have performed a search for St. Louis to Quebec flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from St. Louis to Quebec right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Quebec, momondo offers a useful price alert feature which will track prices for flights to Quebec from St. Louis and alert you when they change.