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

Delta, Air Canada, 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$ 381 Cheap Flights from St. Louis to Quebec in 2025/26

1 adult

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Find the cheapest flights from St. Louis to Quebec

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:43 p.m. - 3:07 p.m.STL-YUL

19h 24m1 stop

3:52 p.m. - 10:22 a.m.YUL-STL

19h 30m1 stop

C$ 381American Airlines

Find Deal

Sat, 10 Jan - Wed, 28 Jan

6:00 a.m. - 3:07 p.m.STL-YUL

8h 07m1 stop

3:52 p.m. - 10:22 a.m.YUL-STL

19h 30m1 stop

C$ 382American Airlines

Find Deal

Fri, 16 Jan - Mon, 19 Jan

2:48 p.m. - 4:30 p.m.STL-YUL

24h 42m3 stops

5:25 p.m. - 11:01 a.m.YUL-STL

18h 36m2 stops

C$ 574Multiple Airlines

Find Deal

Sat, 10 Jan - Wed, 28 Jan

2:57 p.m. - 4:23 p.m.STL-YUL

24h 26m1 stop

5:25 p.m. - 10:33 p.m.YUL-STL

30h 08m2 stops

C$ 596Multiple Airlines

Find Deal

Sun, 7 Dec - Fri, 12 Dec

8:05 a.m. - 9:16 p.m.STL-YUL

12h 11m2 stops

10:50 a.m. - 10:58 p.m.YUL-STL

13h 08m2 stops

C$ 644United Airlines

Find Deal

Sat, 10 Jan - Wed, 28 Jan

5:27 p.m. - 3:52 p.m.STL-YQB

21h 25m2 stops

7:35 p.m. - 3:40 p.m.YQB-STL

21h 05m2 stops

C$ 648United Airlines

Find Deal

Mon, 8 Dec - Mon, 15 Dec

7:05 a.m. - 6:54 p.m.STL-YUL

10h 49m2 stops

9:28 a.m. - 8:39 p.m.YUL-STL

12h 11m2 stops

C$ 848Delta

Find Deal

Mon, 15 Dec - Tue, 6 Jan

9:50 a.m. - 6:54 p.m.STL-YUL

8h 04m1 stop

9:28 a.m. - 8:39 p.m.YUL-STL

12h 11m2 stops

C$ 877Delta

Find Deal

Mon, 15 Dec - Tue, 6 Jan

4:05 p.m. - 10:43 p.m.STL-YQB

5h 38m1 stop

10:55 a.m. - 3:29 p.m.YQB-STL

5h 34m1 stop

C$ 926Air Canada

Find Deal

Mon, 24 Nov - Fri, 28 Nov

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

5h 20m1 stop

10:40 a.m. - 3:24 p.m.YQB-STL

5h 44m1 stop

C$ 947Air Canada

Find Deal

Tue, 31 Mar - Wed, 1 Apr

American Airlines flights from St. Louis to Quebec

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

American Airlines

10 Jan

STL6:43 p.m.Lambert-St Louis

19h 24m

1 stop

YUL3:07 p.m.Montreal Pierre Elliott Trudeau Intl

28 Jan

YUL3:52 p.m.Montreal Pierre Elliott Trudeau Intl

19h 30m

1 stop

STL10:22 a.m.Lambert-St Louis

C$ 381

Find similar

American Airlines

16 Jan

STL6:00 a.m.Lambert-St Louis

8h 07m

1 stop

YUL3:07 p.m.Montreal Pierre Elliott Trudeau Intl

19 Jan

YUL3:52 p.m.Montreal Pierre Elliott Trudeau Intl

19h 30m

1 stop

STL10:22 a.m.Lambert-St Louis

C$ 382

Find similar

American Airlines

10 Jan

STL6:43 p.m.Lambert-St Louis

19h 24m

1 stop

YUL3:07 p.m.Montreal Pierre Elliott Trudeau Intl

28 Jan

YUL7:30 a.m.Montreal Pierre Elliott Trudeau Intl

11h 44m

2 stops

STL6:14 p.m.Lambert-St Louis

C$ 395

Find similar

Delta flights from St. Louis to Quebec

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

Delta

15 Dec

STL7:05 a.m.Lambert-St Louis

10h 49m

2 stops

YUL6:54 p.m.Montreal Pierre Elliott Trudeau Intl

6 Jan

YUL9:28 a.m.Montreal Pierre Elliott Trudeau Intl

12h 11m

2 stops

STL8:39 p.m.Lambert-St Louis

C$ 848

Find similar

Delta

15 Dec

STL9:50 a.m.Lambert-St Louis

8h 04m

1 stop

YUL6:54 p.m.Montreal Pierre Elliott Trudeau Intl

6 Jan

YUL9:28 a.m.Montreal Pierre Elliott Trudeau Intl

12h 11m

2 stops

STL8:39 p.m.Lambert-St Louis

C$ 877

Find similar

Delta

15 Dec

STL6:00 a.m.Lambert-St Louis

11h 54m

2 stops

YUL6:54 p.m.Montreal Pierre Elliott Trudeau Intl

6 Jan

YUL9:28 a.m.Montreal Pierre Elliott Trudeau Intl

12h 11m

2 stops

STL8:39 p.m.Lambert-St Louis

C$ 884

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sat 10/1

6:43 p.m.-3:07 p.m.

1 stop19h 24m

Montreal Pierre Elliott Trudeau Intl

Wed 28/1

3:52 p.m.-10:22 a.m.

1 stop19h 30m

C$ 381

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Fri 16/1

6:00 a.m.-3:07 p.m.

1 stop8h 07m

Montreal Pierre Elliott Trudeau Intl

Mon 19/1

3:52 p.m.-10:22 a.m.

1 stop19h 30m

C$ 382

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sat 10/1

2:48 p.m.-4:30 p.m.

3 stops24h 42m

Montreal Pierre Elliott Trudeau Intl

Wed 28/1

5:25 p.m.-11:01 a.m.

2 stops18h 36m

C$ 574

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sun 7/12

2:57 p.m.-4:23 p.m.

1 stop24h 26m

Montreal Pierre Elliott Trudeau Intl

Fri 12/12

5:25 p.m.-10:33 p.m.

2 stops30h 08m

C$ 596

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sat 10/1

8:05 a.m.-9:16 p.m.

2 stops12h 11m

Montreal Pierre Elliott Trudeau Intl

Wed 28/1

10:50 a.m.-10:58 p.m.

2 stops13h 08m

C$ 644

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Mon 8/12

5:27 p.m.-3:52 p.m.

2 stops21h 25m

Québec City

Mon 15/12

7:35 p.m.-3:40 p.m.

2 stops21h 05m

C$ 648

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Mon 15/12

7:05 a.m.-6:54 p.m.

2 stops10h 49m

Montreal Pierre Elliott Trudeau Intl

Tue 6/1

9:28 a.m.-8:39 p.m.

2 stops12h 11m

C$ 848

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Mon 15/12

9:50 a.m.-6:54 p.m.

1 stop8h 04m

Montreal Pierre Elliott Trudeau Intl

Tue 6/1

9:28 a.m.-8:39 p.m.

2 stops12h 11m

C$ 877

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Mon 24/11

4:05 p.m.-10:43 p.m.

1 stop5h 38m

Québec City

Fri 28/11

10:55 a.m.-3:29 p.m.

1 stop5h 34m

C$ 926

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Tue 31/3

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

1 stop5h 20m

Québec City

Wed 1/4

10:40 a.m.-3:24 p.m.

1 stop5h 44m

C$ 947

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, June 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$ 400. If you are unable to visit Quebec during the month of June, then departing from St. Louis during the month August is also very affordable. Most momondo users find prices during this month for around C$ 646.

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 39% 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

Direct flights	None

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

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 Canadair (Bombardier) Regional Jet 900 (71.08% of total bookings). The next most popular plane models are Airbus A330-300 (6.02%), Boeing 787-8 Dreamliner (4.82%), and Boeing 737 MAX 8 (2.41%).

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.