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

As of September 2026, there are 14 flights per week flying from St. Louis to Quebec. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

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

As of September 2026, 2 flights take off from St. Louis and land in Quebec each day. The most common flight departure time for this route is 12:00p.m., with 100% of daily flights taking off in the afternoon.

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$ 239 Cheap Flights from St. Louis to Quebec in 2026

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.

5:23 p.m. - 11:44 a.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

17h 21m1 stop Chicago O'Hare Intl

5:34 p.m. - 10:50 a.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

18h 16m1 stop Chicago O'Hare Intl

C$ 632American Airlines

Sat, 17 Oct - Wed, 21 Oct

8:15 p.m. - 11:25 a.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

14h 10m1 stop Chicago O'Hare Intl

12:10 p.m. - 11:59 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

12h 49m1 stop Chicago O'Hare Intl

C$ 670American Airlines

Sat, 7 Nov - Wed, 11 Nov

8:15 p.m. - 11:25 a.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

14h 10m1 stop Chicago O'Hare Intl

1:04 p.m. - 11:59 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

11h 55m2 stops Philadelphia Chicago O'Hare Intl

C$ 684American Airlines

Sat, 7 Nov - Wed, 11 Nov

7:26 a.m. - 9:26 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

13h 00m2 stops Chicago O'Hare Intl Philadelphia

1:04 p.m. - 11:59 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

11h 55m2 stops Philadelphia Chicago O'Hare Intl

C$ 691American Airlines

Sat, 7 Nov - Wed, 11 Nov

7:21 a.m. - 4:53 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

8h 32m1 stop Chicago O'Hare Intl

5:34 p.m. - 10:50 a.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

18h 16m1 stop Chicago O'Hare Intl

C$ 741American Airlines

Fri, 2 Oct - Tue, 6 Oct

8:15 p.m. - 11:26 a.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

14h 11m1 stop Chicago O'Hare Intl

12:06 p.m. - 11:59 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

12h 53m1 stop Chicago O'Hare Intl

C$ 765American Airlines

Fri, 8 Jan - Mon, 11 Jan

5:00 a.m. - 4:52 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

10h 52m1 stop Chicago O'Hare Intl

12:10 p.m. - 11:59 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

12h 49m1 stop Chicago O'Hare Intl

C$ 775American Airlines

Thu, 29 Oct - Mon, 2 Nov

8:55 a.m. - 3:57 p.m.STL Lambert-St Louis-YQB Québec City

6h 02m1 stop Toronto Pearson Intl

10:40 a.m. - 3:23 p.m.YQB Québec City-STL Lambert-St Louis

5h 43m1 stop Toronto Pearson Intl

C$ 786Air Canada

Fri, 23 Oct - Fri, 30 Oct

2:00 p.m. - 9:12 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

30h 12m3 stops Jonesboro Nashville Intl Toronto Island

8:35 a.m. - 2:00 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

6h 25m2 stops Ottawa Toronto Pearson Intl

C$ 796Multiple Airlines

Thu, 8 Oct - Mon, 12 Oct

12:10 p.m. - 3:41 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

2h 31mdirect

4:55 p.m. - 6:41 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

2h 46mdirect

C$ 811Air Canada

Thu, 15 Oct - Wed, 21 Oct

Cheap one-way flights

Enter your travel dates to find the best prices.

2:29 p.m. - 7:32 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

28h 03m3 stops Atlanta Hartsfield-Jackson Fort Lauderdale Toronto Pearson Intl

C$ 239Multiple Airlines

Mon, 28 Sep

6:35 p.m. - 6:20 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

22h 45m3 stops Atlanta Hartsfield-Jackson Orlando Toronto Pearson Intl

C$ 266Multiple Airlines

Mon, 19 Oct

2:29 p.m. - 7:05 a.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

15h 36m2 stops Atlanta Hartsfield-Jackson Calgary

C$ 273Multiple Airlines

Mon, 28 Sep

5:23 p.m. - 11:44 a.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

17h 21m1 stop Chicago O'Hare Intl

C$ 283American Airlines

Sat, 17 Oct

7:42 p.m. - 8:30 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

23h 48m3 stops Denver Intl Phoenix Sky Harbor Intl Calgary

C$ 292Multiple Airlines

Sat, 17 Oct

2:29 p.m. - 12:25 a.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

56h 56m3 stops Atlanta Hartsfield-Jackson Fort Lauderdale Toronto Pearson Intl

C$ 308Multiple Airlines

Fri, 2 Oct

6:35 p.m. - 7:32 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

23h 57m3 stops Atlanta Hartsfield-Jackson Fort Lauderdale Toronto Pearson Intl

C$ 316Multiple Airlines

Fri, 16 Oct

2:29 p.m. - 7:05 a.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

15h 36m2 stops Atlanta Hartsfield-Jackson Calgary

C$ 327Multiple Airlines

Fri, 2 Oct

6:35 p.m. - 7:05 a.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

35h 30m2 stops Atlanta Hartsfield-Jackson Calgary

C$ 331Multiple Airlines

Mon, 19 Oct

10:20 a.m. - 12:25 a.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

37h 05m3 stops Dallas/Fort Worth Fort Lauderdale Toronto Pearson Intl

C$ 335Multiple Airlines

Sun, 20 Sep

Cheap direct flights

Enter your travel dates to find the best prices.

12:10 p.m. - 3:41 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

2h 31mdirect

4:55 p.m. - 6:41 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

2h 46mdirect

C$ 811Air Canada

Thu, 15 Oct - Wed, 21 Oct

12:10 p.m. - 3:41 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

2h 31mdirect

4:55 p.m. - 6:41 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

2h 46mdirect

C$ 815Air Canada

Thu, 8 Oct - Mon, 12 Oct

12:10 p.m. - 3:41 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

2h 31mdirect

4:55 p.m. - 6:41 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

2h 46mdirect

C$ 924Air Canada

Sat, 3 Oct - Mon, 12 Oct

12:10 p.m. - 3:41 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

2h 31mdirect

4:55 p.m. - 6:41 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

2h 46mdirect

C$ 953Air Canada

Sat, 17 Oct - Wed, 21 Oct

12:10 p.m. - 3:41 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

2h 31mdirect

4:55 p.m. - 6:41 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

2h 46mdirect

C$ 1,007Air Canada

Sat, 19 Sep - Tue, 22 Sep

12:10 p.m. - 3:41 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

2h 31mdirect

4:55 p.m. - 6:41 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

2h 46mdirect

C$ 1,061Air Canada

Fri, 2 Oct - Tue, 6 Oct

12:10 p.m. - 3:41 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

2h 31mdirect

4:55 p.m. - 6:41 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

2h 46mdirect

C$ 1,110Air Canada

Sat, 3 Oct - Tue, 6 Oct

12:10 p.m. - 3:41 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

2h 31mdirect

4:55 p.m. - 6:41 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

2h 46mdirect

C$ 1,112Air Canada

Fri, 2 Oct - Tue, 6 Oct

12:10 p.m. - 3:41 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

2h 31mdirect

4:55 p.m. - 6:41 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

2h 46mdirect

C$ 1,258United Airlines

Fri, 2 Oct - Tue, 6 Oct

12:10 p.m. - 3:41 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

2h 31mdirect

4:55 p.m. - 6:41 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

2h 46mdirect

C$ 1,360Air Canada

Fri, 2 Oct - Tue, 6 Oct

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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

17 Oct

STL5:23 p.m.Lambert-St Louis

17h 21m

1 stop

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

21 Oct

YUL5:34 p.m.Montreal Pierre Elliott Trudeau Intl

18h 16m

1 stop

STL10:50 a.m.Lambert-St Louis

C$ 632

American Airlines

7 Nov

STL8:15 p.m.Lambert-St Louis

14h 10m

1 stop

YUL11:25 a.m.Montreal Pierre Elliott Trudeau Intl

11 Nov

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

12h 49m

1 stop

STL11:59 p.m.Lambert-St Louis

C$ 670

American Airlines

7 Nov

STL8:15 p.m.Lambert-St Louis

14h 10m

1 stop

YUL11:25 a.m.Montreal Pierre Elliott Trudeau Intl

11 Nov

YUL1:04 p.m.Montreal Pierre Elliott Trudeau Intl

11h 55m

2 stops

STL11:59 p.m.Lambert-St Louis

C$ 684

Air Canada flights from St. Louis to Quebec

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

Air Canada

23 Oct

STL8:55 a.m.Lambert-St Louis

6h 02m

1 stop

YQB3:57 p.m.Québec City

30 Oct

YQB10:40 a.m.Québec City

5h 43m

1 stop

STL3:23 p.m.Lambert-St Louis

C$ 786

Air Canada

15 Oct

STL12:10 p.m.Lambert-St Louis

2h 31m

YUL3:41 p.m.Montreal Pierre Elliott Trudeau Intl

21 Oct

YUL4:55 p.m.Montreal Pierre Elliott Trudeau Intl

2h 46m

STL6:41 p.m.Lambert-St Louis

C$ 811

Air Canada

8 Oct

STL12:10 p.m.Lambert-St Louis

2h 31m

YUL3:41 p.m.Montreal Pierre Elliott Trudeau Intl

12 Oct

YUL4:55 p.m.Montreal Pierre Elliott Trudeau Intl

2h 46m

STL6:41 p.m.Lambert-St Louis

C$ 815

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

Sat 17/10

5:23 p.m.-11:44 a.m.

1 stop17h 21m

Montreal Pierre Elliott Trudeau Intl

Wed 21/10

5:34 p.m.-10:50 a.m.

1 stop18h 16m

C$ 632

St. LouisMontreal

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

STLYUL

Lambert-St Louis

Sat 7/11

8:15 p.m.-11:25 a.m.

1 stop14h 10m

Montreal Pierre Elliott Trudeau Intl

Wed 11/11

12:10 p.m.-11:59 p.m.

1 stop12h 49m

C$ 670

St. LouisMontreal

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

STLYUL

Lambert-St Louis

Sat 7/11

8:15 p.m.-11:25 a.m.

1 stop14h 10m

Montreal Pierre Elliott Trudeau Intl

Wed 11/11

1:04 p.m.-11:59 p.m.

2 stops11h 55m

C$ 684

St. LouisMontreal

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

STLYUL

Lambert-St Louis

Sat 7/11

7:26 a.m.-9:26 p.m.

2 stops13h 00m

Montreal Pierre Elliott Trudeau Intl

Wed 11/11

1:04 p.m.-11:59 p.m.

2 stops11h 55m

C$ 691

St. LouisMontreal

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

STLYUL

Lambert-St Louis

Fri 2/10

7:21 a.m.-4:53 p.m.

1 stop8h 32m

Montreal Pierre Elliott Trudeau Intl

Tue 6/10

5:34 p.m.-10:50 a.m.

1 stop18h 16m

C$ 741

St. LouisMontreal

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

STLYUL

Lambert-St Louis

Fri 8/1

8:15 p.m.-11:26 a.m.

1 stop14h 11m

Montreal Pierre Elliott Trudeau Intl

Mon 11/1

12:06 p.m.-11:59 p.m.

1 stop12h 53m

C$ 765

St. LouisMontreal

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

STLYUL

Lambert-St Louis

Thu 29/10

5:00 a.m.-4:52 p.m.

1 stop10h 52m

Montreal Pierre Elliott Trudeau Intl

Mon 2/11

12:10 p.m.-11:59 p.m.

1 stop12h 49m

C$ 775

St. LouisQuébec City

STL Lambert-St Louis - YQB Québec City

STLYQB

Lambert-St Louis

Fri 23/10

8:55 a.m.-3:57 p.m.

1 stop6h 02m

Québec City

Fri 30/10

10:40 a.m.-3:23 p.m.

1 stop5h 43m

C$ 786

St. LouisMontreal

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

STLYUL

Lambert-St Louis

Thu 8/10

2:00 p.m.-9:12 p.m.

3 stops30h 12m

Montreal Pierre Elliott Trudeau Intl

Mon 12/10

8:35 a.m.-2:00 p.m.

2 stops6h 25m

C$ 796

Quickest round-trip

St. LouisMontreal

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

STLYUL

Lambert-St Louis

Thu 15/10

12:10 p.m.-3:41 p.m.

Nonstop2h 31m

Montreal Pierre Elliott Trudeau Intl

Wed 21/10

4:55 p.m.-6:41 p.m.

Nonstop2h 46m

C$ 811

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

Other information

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$ 630. 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$ 698.

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$ 239
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 C$ 239. The best round-trip flight deal from St. Louis to Quebec found on momondo in the last 72 hours is C$ 632.

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 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 (62.96% of total bookings). The next most popular plane models are Boeing 787-8 Dreamliner (24.69%), Airbus A220-300 (7.41%), and Airbus A330-300 (3.70%).

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.