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

Air Canada, American Airlines, and United 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 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$ 232 Cheap Flights from St. Louis to Quebec in 2026

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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.

8:03 p.m. - 11:44 a.m.

STL

YUL

14h 41m

1 stop

12:30 p.m. - 10:17 p.m.

YUL

STL

10h 47m

1 stop

C$ 520American Airlines

Wed, 8 Apr - Wed, 15 Apr

8:54 a.m. - 9:37 p.m.

STL

YUL

11h 43m

2 stops

12:30 p.m. - 10:17 p.m.

YUL

STL

10h 47m

1 stop

C$ 534American Airlines

Wed, 8 Apr - Wed, 15 Apr

8:54 a.m. - 9:37 p.m.

STL

YUL

11h 43m

2 stops

1:03 p.m. - 11:46 p.m.

YUL

STL

11h 43m

2 stops

C$ 540American Airlines

Wed, 8 Apr - Wed, 15 Apr

8:03 p.m. - 11:44 a.m.

STL

YUL

14h 41m

1 stop

12:30 p.m. - 11:46 p.m.

YUL

STL

12h 16m

1 stop

C$ 544American Airlines

Tue, 21 Apr - Tue, 28 Apr

4:30 p.m. - 11:44 a.m.

STL

YUL

18h 14m

1 stop

1:03 p.m. - 11:46 p.m.

YUL

STL

11h 43m

2 stops

C$ 558American Airlines

Tue, 21 Apr - Tue, 28 Apr

8:02 p.m. - 11:44 a.m.

STL

YUL

14h 42m

1 stop

12:30 p.m. - 11:54 p.m.

YUL

STL

12h 24m

1 stop

C$ 574American Airlines

Sat, 23 May - Tue, 26 May

11:21 a.m. - 12:45 a.m.

STL

YUL

12h 24m

2 stops

4:35 p.m. - 11:19 p.m.

YUL

STL

7h 44m

1 stop

C$ 614Multiple Airlines

Thu, 30 Apr - Sat, 2 May

7:45 a.m. - 5:30 p.m.

STL

YUL

8h 45m

1 stop

6:30 p.m. - 8:25 p.m.

YUL

STL

2h 55mdirect

C$ 631Air Canada

Sat, 2 May - Mon, 4 May

4:05 p.m. - 10:25 p.m.

STL

YQB

5h 20m

1 stop

5:35 a.m. - 12:06 p.m.

YQB

STL

7h 31m

2 stops

C$ 850Air Canada

Fri, 24 Apr - Fri, 1 May

6:01 a.m. - 12:02 p.m.

STL

YQB

5h 01m

1 stop

4:55 p.m. - 11:45 p.m.

YQB

STL

7h 50m

1 stop

C$ 982United Airlines

Thu, 25 Jun - Sun, 28 Jun

Air Canada flights from St. Louis to Quebec

Our best Air Canada deals on St. Louis to Quebec flight tickets

Air Canada

2 May

STL7:45 a.m.Lambert-St Louis

8h 45m

1 stop

YUL5:30 p.m.Montreal Pierre Elliott Trudeau Intl

4 May

YUL6:30 p.m.Montreal Pierre Elliott Trudeau Intl

2h 55m

STL8:25 p.m.Lambert-St Louis

C$ 631

Air Canada

2 May

STL7:45 a.m.Lambert-St Louis

8h 45m

1 stop

YUL5:30 p.m.Montreal Pierre Elliott Trudeau Intl

4 May

YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl

6h 06m

1 stop

STL12:06 p.m.Lambert-St Louis

C$ 642

Air Canada

2 May

STL7:45 a.m.Lambert-St Louis

8h 45m

1 stop

YUL5:30 p.m.Montreal Pierre Elliott Trudeau Intl

4 May

YUL11:10 a.m.Montreal Pierre Elliott Trudeau Intl

11h 03m

2 stops

STL9:13 p.m.Lambert-St Louis

C$ 687

American Airlines flights from St. Louis to Quebec

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

American Airlines

8 Apr

STL8:03 p.m.Lambert-St Louis

14h 41m

1 stop

YUL11:44 a.m.Montreal Pierre Elliott Trudeau Intl

15 Apr

YUL12:30 p.m.Montreal Pierre Elliott Trudeau Intl

10h 47m

1 stop

STL10:17 p.m.Lambert-St Louis

C$ 520

American Airlines

8 Apr

STL8:54 a.m.Lambert-St Louis

11h 43m

2 stops

YUL9:37 p.m.Montreal Pierre Elliott Trudeau Intl

15 Apr

YUL12:30 p.m.Montreal Pierre Elliott Trudeau Intl

10h 47m

1 stop

STL10:17 p.m.Lambert-St Louis

C$ 534

American Airlines

8 Apr

STL8:54 a.m.Lambert-St Louis

11h 43m

2 stops

YUL9:37 p.m.Montreal Pierre Elliott Trudeau Intl

15 Apr

YUL1:03 p.m.Montreal Pierre Elliott Trudeau Intl

11h 43m

2 stops

STL11:46 p.m.Lambert-St Louis

C$ 540

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Wed 8/4

8:03 p.m.-11:44 a.m.

1 stop14h 41m

Montreal Pierre Elliott Trudeau Intl

Wed 15/4

12:30 p.m.-10:17 p.m.

1 stop10h 47m

C$ 520

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Wed 8/4

8:54 a.m.-9:37 p.m.

2 stops11h 43m

Montreal Pierre Elliott Trudeau Intl

Wed 15/4

12:30 p.m.-10:17 p.m.

1 stop10h 47m

C$ 534

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Wed 8/4

8:54 a.m.-9:37 p.m.

2 stops11h 43m

Montreal Pierre Elliott Trudeau Intl

Wed 15/4

1:03 p.m.-11:46 p.m.

2 stops11h 43m

C$ 540

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Tue 21/4

8:03 p.m.-11:44 a.m.

1 stop14h 41m

Montreal Pierre Elliott Trudeau Intl

Tue 28/4

12:30 p.m.-11:46 p.m.

1 stop12h 16m

C$ 544

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Tue 21/4

4:30 p.m.-11:44 a.m.

1 stop18h 14m

Montreal Pierre Elliott Trudeau Intl

Tue 28/4

1:03 p.m.-11:46 p.m.

2 stops11h 43m

C$ 558

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sat 23/5

8:02 p.m.-11:44 a.m.

1 stop14h 42m

Montreal Pierre Elliott Trudeau Intl

Tue 26/5

12:30 p.m.-11:54 p.m.

1 stop12h 24m

C$ 574

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Thu 30/4

11:21 a.m.-12:45 a.m.

2 stops12h 24m

Montreal Pierre Elliott Trudeau Intl

Sat 2/5

4:35 p.m.-11:19 p.m.

1 stop7h 44m

C$ 614

Quickest round-trip

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sat 2/5

7:45 a.m.-5:30 p.m.

1 stop8h 45m

Montreal Pierre Elliott Trudeau Intl

Mon 4/5

6:30 p.m.-8:25 p.m.

Nonstop2h 55m

C$ 631

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Fri 24/4

4:05 p.m.-10:25 p.m.

1 stop5h 20m

Québec City

Fri 1/5

5:35 a.m.-12:06 p.m.

2 stops7h 31m

C$ 850

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Thu 25/6

6:01 a.m.-12:02 p.m.

1 stop5h 01m

Québec City

Sun 28/6

4:55 p.m.-11:45 p.m.

1 stop7h 50m

C$ 982

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 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 Lambert-St Louis to Quebec flights?

There is only 1 cabin class available to choose from on Lambert-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 42% 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

Fastest flight time	2h 32m
Direct flights	Every day
Airports in Quebec	76 airports

The fastest flight from St. Louis to Quebec takes 2h 32m

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

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 Boeing 787-8 Dreamliner (50.00% of total bookings). The next most popular plane models are Airbus A220-300 (12.00%), Canadair (Bombardier) Regional Jet 900 (8.00%), and Airbus A330-300 (6.00%).

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.