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Cheap flights from Quebec to St. Louis from $225

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Quebec to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
12:10 pm - 10:15 pmYUL  Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis
11h 05m1 stop Chicago O'Hare Intl
American Airlines Logo
8:15 pm - 11:25 amSTL  Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl
14h 10m1 stop Chicago O'Hare Intl
$429American Airlines
Tue, Nov 10 - Tue, Nov 17
American Airlines Logo
12:08 pm - 7:58 pmYUL  Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis
8h 50m1 stop Chicago O'Hare Intl
American Airlines Logo
8:24 pm - 11:28 amSTL  Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl
14h 04m1 stop Chicago O'Hare Intl
$525American Airlines
Fri, Dec 11 - Sun, Dec 13
American Airlines Logo
12:10 pm - 11:59 pmYUL  Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis
12h 49m1 stop Chicago O'Hare Intl
American Airlines Logo
6:02 am - 3:28 pmSTL  Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl
8h 26m1 stop Philadelphia
$538American Airlines
Wed, Nov 11 - Wed, Nov 18
United Airlines Logo
6:25 pm - 12:10 pmYUL  Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis
18h 45m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl
United Airlines Logo
1:08 pm - 7:29 amSTL  Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl
17h 21m2 stops Chicago O'Hare Intl New York LaGuardia
$542United Airlines
Wed, Nov 11 - Wed, Nov 18
United Airlines Logo
1:10 pm - 9:40 pmYUL  Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis
9h 30m1 stop Chicago O'Hare Intl
United Airlines Logo
1:08 pm - 7:29 amSTL  Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl
17h 21m2 stops Chicago O'Hare Intl New York LaGuardia
$542United Airlines
Wed, Nov 11 - Wed, Nov 18
United Airlines Logo
9:25 am - 9:40 pmYUL  Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis
13h 15m1 stop Chicago O'Hare Intl
United Airlines Logo
6:30 am - 7:07 pmSTL  Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl
11h 37m1 stop Chicago O'Hare Intl
$542United Airlines
Fri, Nov 27 - Fri, Dec 4
United Airlines Logo
4:45 pm - 2:34 pmYUL  Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis
22h 49m1 stop Chicago O'Hare Intl
United Airlines Logo
5:25 am - 5:07 pmSTL  Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl
10h 42m1 stop Chicago O'Hare Intl
$543United Airlines
Thu, Nov 26 - Wed, Dec 9
United Airlines Logo
6:00 am - 4:59 pmYUL  Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis
11h 59m1 stop Chicago O'Hare Intl
United Airlines Logo
5:25 am - 5:07 pmSTL  Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl
10h 42m1 stop Chicago O'Hare Intl
$543United Airlines
Fri, Nov 27 - Mon, Dec 7
Air Canada Logo
10:40 am - 3:26 pmYQB  Québec City-STL Lambert-St Louis
5h 46m1 stop Toronto Pearson Intl
Air Canada Logo
4:05 pm - 11:16 pmSTL  Lambert-St Louis-YQB Québec City
6h 11m1 stop Toronto Pearson Intl
$567Air Canada
Wed, Nov 25 - Wed, Dec 2
Air Canada Logo
10:10 am - 3:26 pmYUL  Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis
6h 16m1 stop Toronto Pearson Intl
Air Canada Logo
4:05 pm - 11:25 pmSTL  Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl
6h 20m1 stop Toronto Pearson Intl
$649Air Canada
Fri, Nov 20 - Sat, Nov 21

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American Airlines flights from Quebec to St. Louis

Our best American Airlines deals on Quebec to St. Louis flight tickets
American Airlines
Dec 11
YUL12:08 pmMontreal Pierre Elliott Trudeau Intl
8h 50m
1 stop
STL7:58 pmLambert-St Louis
Dec 13
STL8:24 pmLambert-St Louis
14h 04m
1 stop
YUL11:28 amMontreal Pierre Elliott Trudeau Intl
$525
American Airlines
Nov 11
YUL12:10 pmMontreal Pierre Elliott Trudeau Intl
12h 49m
1 stop
STL11:59 pmLambert-St Louis
Nov 18
STL6:02 amLambert-St Louis
8h 26m
1 stop
YUL3:28 pmMontreal Pierre Elliott Trudeau Intl
$538
American Airlines
Nov 19
YUL12:10 pmMontreal Pierre Elliott Trudeau Intl
8h 54m
1 stop
STL8:04 pmLambert-St Louis
Nov 21
STL8:12 pmLambert-St Louis
14h 14m
1 stop
YUL11:26 amMontreal Pierre Elliott Trudeau Intl
$558

United Airlines flights from Quebec to St. Louis

Our best United Airlines deals on Quebec to St. Louis flight tickets
United Airlines
Nov 11
YUL6:25 pmMontreal Pierre Elliott Trudeau Intl
18h 45m
2 stops
STL12:10 pmLambert-St Louis
Nov 18
STL1:08 pmLambert-St Louis
17h 21m
2 stops
YUL7:29 amMontreal Pierre Elliott Trudeau Intl
$542
United Airlines
Nov 26
YUL1:10 pmMontreal Pierre Elliott Trudeau Intl
26h 24m
1 stop
STL2:34 pmLambert-St Louis
Dec 8
STL6:30 amLambert-St Louis
11h 37m
1 stop
YUL7:07 pmMontreal Pierre Elliott Trudeau Intl
$543
United Airlines
Nov 26
YUL4:45 pmMontreal Pierre Elliott Trudeau Intl
22h 49m
1 stop
STL2:34 pmLambert-St Louis
Dec 11
STL5:25 amLambert-St Louis
12h 42m
1 stop
YUL7:07 pmMontreal Pierre Elliott Trudeau Intl
$556

momondo Fare Finder

 
Use the filters below to find and compare flights from Quebec to St. Louis that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest round-trip

MontrealSt. Louis

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

YULSTL

Montreal Pierre Elliott Trudeau Intl

Tue 11/10

12:10 pm-10:15 pm

1 stop11h 05m

Lambert-St Louis

Tue 11/17

8:15 pm-11:25 am

1 stop14h 10m

$429

MontrealSt. Louis

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

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 12/11

12:08 pm-7:58 pm

1 stop8h 50m

Lambert-St Louis

Sun 12/13

8:24 pm-11:28 am

1 stop14h 04m

$525

MontrealSt. Louis

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

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 11/11

12:10 pm-11:59 pm

1 stop12h 49m

Lambert-St Louis

Wed 11/18

6:02 am-3:28 pm

1 stop8h 26m

$538

MontrealSt. Louis

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

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 11/11

6:25 pm-12:10 pm

2 stops18h 45m

Lambert-St Louis

Wed 11/18

1:08 pm-7:29 am

2 stops17h 21m

$542

MontrealSt. Louis

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

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 11/11

1:10 pm-9:40 pm

1 stop9h 30m

Lambert-St Louis

Wed 11/18

1:08 pm-7:29 am

2 stops17h 21m

$542

MontrealSt. Louis

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

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 11/27

9:25 am-9:40 pm

1 stop13h 15m

Lambert-St Louis

Fri 12/4

6:30 am-7:07 pm

1 stop11h 37m

$542

MontrealSt. Louis

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

YULSTL

Montreal Pierre Elliott Trudeau Intl

Thu 11/26

4:45 pm-2:34 pm

1 stop22h 49m

Lambert-St Louis

Wed 12/9

5:25 am-5:07 pm

1 stop10h 42m

$543

MontrealSt. Louis

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

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 11/27

6:00 am-4:59 pm

1 stop11h 59m

Lambert-St Louis

Mon 12/7

5:25 am-5:07 pm

1 stop10h 42m

$543
Quickest round-trip

Québec CitySt. Louis

YQB Québec City - STL Lambert-St Louis

YQBSTL

Québec City

Wed 11/25

10:40 am-3:26 pm

1 stop5h 46m

Lambert-St Louis

Wed 12/2

4:05 pm-11:16 pm

1 stop6h 11m

$567

MontrealSt. Louis

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

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 11/20

10:10 am-3:26 pm

1 stop6h 16m

Lambert-St Louis

Sat 11/21

4:05 pm-11:25 pm

1 stop6h 20m

$649

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

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

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

What is the cheapest month to fly to St. Louis?

In general, August is the cheapest month to fly from Quebec to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $442. The month of May is another great option to travel to St. Louis, with average flight prices from Quebec averaging around $548.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Thursday when prices can be found for as low as $538. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $690. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

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

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

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

There is only 1 cabin class available to choose from on Quebec to St. Louis 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 Quebec to St. Louis flights?

You could potentially save up to 22% on your flight if you consider stops on a Quebec to St. Louis flight.

Cheap Quebec to St. Louis flight deals and tips

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

Best Price Found

$225

Fastest flight time

2h 46m

Direct flights

Tue and Fri

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Quebec in the past 72 hours is $225. The best round-trip flight deal from Quebec to St. Louis found on momondo in the last 72 hours is $429.
The fastest flight from Quebec to St. Louis takes 2h 46m
Direct flights go from Quebec to St. Louis on Tuesday and Friday. The only airline offering direct flights is Air Canada.
There is 1 airport in St. Louis. From Quebec there are direct flights to Lambert-St Louis (STL).
Search flight deals

Frequently asked questions about flying from Quebec to St. Louis

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

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

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

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

    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 Quebec to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Quebec to St. Louis?

Best airlines flying from Quebec to St. Louis

Compare and see reviews for airlines that fly from Quebec to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $478Free CancellationRating
7.1
11,769 reviews
Search Air Canada flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Fairview Heights
Chesterfield
Maryland Heights
St. Peters
Alton
Florissant
Collinsville
Farmington
Hermann
Clayton
Festus
Fenton
O'Fallon
Edwardsville
Eureka
Wentzville
Litchfield
Grafton
Waterloo

Why use momondo?

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

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

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

Yes. momondo enables you to select and highlight flights to St. Louis from Quebec with this policy.

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

momondo helps you find the best flight between Quebec and St. Louis by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Quebec to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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