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

American Airlines is the most popular carrier 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 are refreshed on a daily basis.

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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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.

C$ 252 Cheap Flights from St. Louis to Quebec in 2026/27

Find the cheapest flights from St. Louis to Quebec

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:15 p.m. - 11:30 a.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

14h 15m1 stop Chicago O'Hare Intl

12:10 p.m. - 10:31 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

11h 21m1 stop Chicago O'Hare Intl

C$ 555American Airlines

Wed, 3 Feb - Sat, 6 Feb

7:21 a.m. - 9:31 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

13h 10m2 stops Chicago O'Hare Intl Philadelphia

12:10 p.m. - 10:31 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

11h 21m1 stop Chicago O'Hare Intl

C$ 568American Airlines

Wed, 3 Feb - Sat, 6 Feb

7:21 a.m. - 9:31 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

13h 10m2 stops Chicago O'Hare Intl Philadelphia

1:00 p.m. - 11:57 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

11h 57m2 stops Philadelphia Chicago O'Hare Intl

C$ 576American Airlines

Wed, 3 Feb - Sat, 6 Feb

8:24 p.m. - 11:28 a.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

14h 04m1 stop Chicago O'Hare Intl

12:08 p.m. - 7:58 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

8h 50m1 stop Chicago O'Hare Intl

C$ 587American Airlines

Tue, 8 Dec - Tue, 15 Dec

8:12 p.m. - 11:26 a.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

14h 14m1 stop Chicago O'Hare Intl

12:10 p.m. - 7:50 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

8h 40m1 stop Chicago O'Hare Intl

C$ 591American Airlines

Tue, 24 Nov - Tue, 1 Dec

11:37 a.m. - 10:48 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

10h 11m2 stops Chicago O'Hare Intl Philadelphia

12:08 p.m. - 12:02 a.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

12h 54m1 stop Chicago O'Hare Intl

C$ 601American Airlines

Tue, 8 Dec - Tue, 15 Dec

11:37 a.m. - 10:48 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

10h 11m2 stops Chicago O'Hare Intl Philadelphia

1:04 p.m. - 12:02 a.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

11h 58m2 stops Philadelphia Chicago O'Hare Intl

C$ 608American Airlines

Tue, 8 Dec - Tue, 15 Dec

8:15 p.m. - 11:30 a.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

14h 15m1 stop Chicago O'Hare Intl

12:10 p.m. - 11:57 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

12h 47m1 stop Chicago O'Hare Intl

C$ 611American Airlines

Thu, 4 Feb - Sun, 7 Feb

8:15 p.m. - 11:30 a.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

14h 15m1 stop Chicago O'Hare Intl

1:00 p.m. - 11:57 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

11h 57m2 stops Philadelphia Chicago O'Hare Intl

C$ 625American Airlines

Thu, 4 Feb - Sun, 7 Feb

8:15 p.m. - 11:30 a.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

14h 15m1 stop Chicago O'Hare Intl

12:10 p.m. - 11:57 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

12h 47m1 stop Chicago O'Hare Intl

C$ 656American Airlines

Fri, 5 Feb - Sun, 7 Feb

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American Airlines flights from St. Louis to Quebec

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

American Airlines

3 Feb

STL8:15 p.m.Lambert-St Louis

14h 15m

1 stop

YUL11:30 a.m.Montreal Pierre Elliott Trudeau Intl

6 Feb

YUL12:10 p.m.Montreal Pierre Elliott Trudeau Intl

11h 21m

1 stop

STL10:31 p.m.Lambert-St Louis

C$ 555

American Airlines

3 Feb

STL7:21 a.m.Lambert-St Louis

13h 10m

2 stops

YUL9:31 p.m.Montreal Pierre Elliott Trudeau Intl

6 Feb

YUL12:10 p.m.Montreal Pierre Elliott Trudeau Intl

11h 21m

1 stop

STL10:31 p.m.Lambert-St Louis

C$ 568

American Airlines

3 Feb

STL7:21 a.m.Lambert-St Louis

13h 10m

2 stops

YUL9:31 p.m.Montreal Pierre Elliott Trudeau Intl

6 Feb

YUL1:00 p.m.Montreal Pierre Elliott Trudeau Intl

11h 57m

2 stops

STL11:57 p.m.Lambert-St Louis

C$ 576

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisMontreal

STL Lambert-St Louis - YUL Montreal Pierre Elliott Trudeau Intl

STLYUL

Lambert-St Louis

Wed 3/2

8:15 p.m.-11:30 a.m.

1 stop14h 15m

Montreal Pierre Elliott Trudeau Intl

Sat 6/2

12:10 p.m.-10:31 p.m.

1 stop11h 21m

C$ 555

St. LouisMontreal

STL Lambert-St Louis - YUL Montreal Pierre Elliott Trudeau Intl

STLYUL

Lambert-St Louis

Wed 3/2

7:21 a.m.-9:31 p.m.

2 stops13h 10m

Montreal Pierre Elliott Trudeau Intl

Sat 6/2

12:10 p.m.-10:31 p.m.

1 stop11h 21m

C$ 568

St. LouisMontreal

STL Lambert-St Louis - YUL Montreal Pierre Elliott Trudeau Intl

STLYUL

Lambert-St Louis

Wed 3/2

7:21 a.m.-9:31 p.m.

2 stops13h 10m

Montreal Pierre Elliott Trudeau Intl

Sat 6/2

1:00 p.m.-11:57 p.m.

2 stops11h 57m

C$ 576

St. LouisMontreal

STL Lambert-St Louis - YUL Montreal Pierre Elliott Trudeau Intl

STLYUL

Lambert-St Louis

Tue 8/12

8:24 p.m.-11:28 a.m.

1 stop14h 04m

Montreal Pierre Elliott Trudeau Intl

Tue 15/12

12:08 p.m.-7:58 p.m.

1 stop8h 50m

C$ 587

St. LouisMontreal

STL Lambert-St Louis - YUL Montreal Pierre Elliott Trudeau Intl

STLYUL

Lambert-St Louis

Tue 24/11

8:12 p.m.-11:26 a.m.

1 stop14h 14m

Montreal Pierre Elliott Trudeau Intl

Tue 1/12

12:10 p.m.-7:50 p.m.

1 stop8h 40m

C$ 591

St. LouisMontreal

STL Lambert-St Louis - YUL Montreal Pierre Elliott Trudeau Intl

STLYUL

Lambert-St Louis

Tue 8/12

11:37 a.m.-10:48 p.m.

2 stops10h 11m

Montreal Pierre Elliott Trudeau Intl

Tue 15/12

12:08 p.m.-12:02 a.m.

1 stop12h 54m

C$ 601

Quickest round-trip

St. LouisMontreal

STL Lambert-St Louis - YUL Montreal Pierre Elliott Trudeau Intl

STLYUL

Lambert-St Louis

Tue 8/12

11:37 a.m.-10:48 p.m.

2 stops10h 11m

Montreal Pierre Elliott Trudeau Intl

Tue 15/12

1:04 p.m.-12:02 a.m.

2 stops11h 58m

C$ 608

St. LouisMontreal

STL Lambert-St Louis - YUL Montreal Pierre Elliott Trudeau Intl

STLYUL

Lambert-St Louis

Thu 4/2

8:15 p.m.-11:30 a.m.

1 stop14h 15m

Montreal Pierre Elliott Trudeau Intl

Sun 7/2

12:10 p.m.-11:57 p.m.

1 stop12h 47m

C$ 611

St. LouisMontreal

STL Lambert-St Louis - YUL Montreal Pierre Elliott Trudeau Intl

STLYUL

Lambert-St Louis

Thu 4/2

8:15 p.m.-11:30 a.m.

1 stop14h 15m

Montreal Pierre Elliott Trudeau Intl

Sun 7/2

1:00 p.m.-11:57 p.m.

2 stops11h 57m

C$ 625

St. LouisMontreal

STL Lambert-St Louis - YUL Montreal Pierre Elliott Trudeau Intl

STLYUL

Lambert-St Louis

Fri 5/2

8:15 p.m.-11:30 a.m.

1 stop14h 15m

Montreal Pierre Elliott Trudeau Intl

Sun 7/2

12:10 p.m.-11:57 p.m.

1 stop12h 47m

C$ 656

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

What is the cheapest month to fly to Quebec?

In general, August is the cheapest month to fly from St. Louis to Quebec. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 641. If you are unable to visit Quebec during the month of August, then departing from St. Louis during the month February is also very affordable. Most momondo users find prices during this month for around C$ 709.

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 is only 1 cabin class 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.

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	C$ 252
Fastest flight time	6h 11m
Direct flights	None

The best one-way flight to Quebec from St. Louis in the past 72 hours is C$ 252. The best round-trip flight deal from St. Louis to Quebec found on momondo in the last 72 hours is C$ 555.

The fastest flight from St. Louis to Quebec takes 6h 11m

There are no direct flights from St. Louis to Quebec. There are no popular flight routes from St. Louis to Quebec.

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 are refreshed on a daily basis.
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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 Canadair (Bombardier) Regional Jet 900 (54.90% of total bookings). The next most popular plane models are Boeing 787-8 Dreamliner (21.57%), Embraer 175 (11.76%), and Airbus A330-300 (5.88%).

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Quebec . Millions of users trust and use momondo every year so you are in good hands.

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 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 Quebec from St. Louis.

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

Yes momondo offers price alerts on flights to Quebec from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.