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Cheap flights from St. Louis to Montreal from $164

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Montreal departing on 11/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. Louis to Montreal

Cheap round-trip flights

These are some of the best round-trip flight deals from St. Louis to Montreal that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from St. Louis to Montreal.

Cheap last minute flights

Planning a quick getaway from St. Louis to Montreal? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Montreal, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from St. Louis to Montreal

Find recent round-trip train or bus tickets from St. Louis to Montreal.

All round-trip flight deals to Montreal

The cheapest plane tickets to Montreal found on KAYAK recently.
8:34 pm - 4:35 pmSTL-YUL
19h 01m1 stop
5:35 pm - 7:34 pmYUL-STL
26h 59m1 stop
Mon, Dec 9 - Thu, Dec 12
12:15 pm - 10:45 pmSTL-YUL
33h 30m3 stops
6:50 am - 11:45 amYUL-STL
29h 55m3 stops
Wed, Dec 11 - Fri, Dec 13
11:00 am - 10:57 pmSTL-YUL
10h 57m2 stops
10:59 am - 10:13 pmYUL-STL
12h 14m2 stops
$545American Airlines
Find Deal
Mon, Dec 9 - Thu, Dec 12
6:05 am - 4:22 pmSTL-YUL
9h 17m1 stop
11:20 am - 9:06 pmYUL-STL
10h 46m1 stop
$550Delta
Find Deal
Wed, Jan 15 - Sun, Jan 19
6:01 am - 3:38 pmSTL-YUL
8h 37m1 stop
6:05 am - 3:00 pmYUL-STL
9h 55m1 stop
$578Delta
Find Deal
Wed, Dec 11 - Fri, Dec 13
5:06 pm - 10:05 amSTL-YUL
15h 59m1 stop
10:59 am - 10:13 pmYUL-STL
12h 14m2 stops
$601American Airlines
Find Deal
Mon, Dec 9 - Thu, Dec 12
1:03 pm - 10:20 amSTL-YUL
20h 17m2 stops
8:35 am - 10:05 amYUL-STL
26h 30m1 stop
$688United Airlines
Find Deal
Fri, Feb 14 - Fri, Feb 21
1:03 pm - 10:20 amSTL-YUL
20h 17m2 stops
7:00 pm - 11:17 amYUL-STL
17h 17m2 stops
$693United Airlines
Find Deal
Fri, Feb 14 - Fri, Feb 21
3:50 pm - 11:48 pmSTL-YUL
6h 58m1 stop
8:15 am - 3:06 pmYUL-STL
7h 51m1 stop
$716Air Canada
Find Deal
Sun, Dec 15 - Sat, Dec 21
8:00 am - 9:17 pmSTL-YUL
12h 17m1 stop
10:15 am - 3:06 pmYUL-STL
5h 51m1 stop
$750Air Canada
Find Deal
Wed, Dec 25 - Sun, Jan 5
5:21 pm - 5:35 pmSTL-YUL
23h 14m1 stop
Thu, Nov 28
5:21 pm - 4:45 pmSTL-YUL
22h 24m3 stops
Thu, Nov 28
5:21 pm - 2:10 pmSTL-YUL
19h 49m2 stops
Thu, Nov 28
1:00 pm - 10:45 pmSTL-YUL
32h 45m3 stops
Wed, Dec 25
9:50 am - 12:40 amSTL-YUL
13h 50m3 stops
Fri, Nov 29
7:41 pm - 4:35 pmSTL-YUL
19h 54m2 stops
Fri, Nov 29
3:53 pm - 2:40 pmSTL-YUL
21h 47m1 stop
Wed, Dec 25
8:05 am - 10:32 amSTL-YUL
25h 27m1 stop
$326United Airlines
Find Deal
Fri, Nov 29
6:15 am - 4:55 pmSTL-YUL
9h 40m2 stops
$348American Airlines
Find Deal
Wed, Dec 25
5:29 pm - 12:40 amSTL-YUL
30h 11m2 stops
3:55 pm - 4:26 pmYUL-STL
25h 31m1 stop
Tue, Nov 19 - Fri, Nov 22
5:29 pm - 2:55 pmSTL-YUL
20h 26m1 stop
3:55 pm - 4:26 pmYUL-STL
25h 31m1 stop
Tue, Nov 19 - Fri, Nov 22
5:29 pm - 5:35 pmSTL-YUL
23h 06m1 stop
6:30 am - 4:34 pmYUL-STL
11h 04m1 stop
Sun, Nov 17 - Tue, Nov 19
5:15 pm - 5:35 pmSTL-YUL
23h 20m3 stops
6:30 am - 4:34 pmYUL-STL
11h 04m1 stop
Sun, Nov 17 - Tue, Nov 19
5:29 pm - 12:40 amSTL-YUL
30h 11m3 stops
6:50 am - 11:45 amYUL-STL
29h 55m3 stops
Tue, Nov 19 - Fri, Nov 22
5:15 pm - 5:35 pmSTL-YUL
23h 20m3 stops
9:20 am - 12:10 pmYUL-STL
27h 50m3 stops
Sun, Nov 17 - Tue, Nov 19
5:29 pm - 2:10 pmSTL-YUL
19h 41m2 stops
6:30 am - 4:34 pmYUL-STL
11h 04m1 stop
Sun, Nov 17 - Tue, Nov 19
5:29 pm - 2:10 pmSTL-YUL
19h 41m2 stops
9:20 am - 12:10 pmYUL-STL
27h 50m3 stops
Sun, Nov 17 - Tue, Nov 19
7:05 am - 4:45 pmSTL-YUL
8h 40m2 stops
10:59 am - 8:59 pmYUL-STL
11h 00m2 stops
$967American Airlines
Find Deal
Tue, Nov 19 - Fri, Nov 22

American Airlines flights from St. Louis to Montreal

Our best American Airlines deals on St. Louis to Montreal flight tickets
American Airlines
Dec 9
STL11:00 amLambert-St Louis
10h 57m
2 stops
YUL10:57 pmMontreal Pierre Elliott Trudeau Intl
Dec 12
YUL10:59 amMontreal Pierre Elliott Trudeau Intl
12h 14m
2 stops
STL10:13 pmLambert-St Louis
American Airlines
Dec 9
STL5:06 pmLambert-St Louis
15h 59m
1 stop
YUL10:05 amMontreal Pierre Elliott Trudeau Intl
Dec 12
YUL10:59 amMontreal Pierre Elliott Trudeau Intl
12h 14m
2 stops
STL10:13 pmLambert-St Louis
American Airlines
Dec 9
STL5:06 pmLambert-St Louis
15h 59m
1 stop
YUL10:05 amMontreal Pierre Elliott Trudeau Intl
Dec 12
YUL10:59 amMontreal Pierre Elliott Trudeau Intl
12h 14m
2 stops
STL10:13 pmLambert-St Louis

Delta flights from St. Louis to Montreal

Our best Delta deals on St. Louis to Montreal flight tickets
Delta
Jan 15
STL6:05 amLambert-St Louis
9h 17m
1 stop
YUL4:22 pmMontreal Pierre Elliott Trudeau Intl
Jan 19
YUL11:20 amMontreal Pierre Elliott Trudeau Intl
10h 46m
1 stop
STL9:06 pmLambert-St Louis
Delta
Dec 11
STL6:01 amLambert-St Louis
8h 37m
1 stop
YUL3:38 pmMontreal Pierre Elliott Trudeau Intl
Dec 13
YUL6:05 amMontreal Pierre Elliott Trudeau Intl
9h 55m
1 stop
STL3:00 pmLambert-St Louis
Delta
Jan 14
STL10:20 amLambert-St Louis
9h 46m
1 stop
YUL9:06 pmMontreal Pierre Elliott Trudeau Intl
Feb 13
YUL12:45 pmMontreal Pierre Elliott Trudeau Intl
5h 11m
1 stop
STL4:56 pmLambert-St Louis

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

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 from St. Louis to Montreal?

February. The cheapest time of year to fly to Montreal from St. Louis is February. Most expensive is June

What is the cheapest day to depart St. Louis for Montreal?

Saturday. The cheapest day of the week is typically Saturday. The most expensive is typically Friday

When is the cheapest time to fly from St. Louis to Montreal?

In the evening. St. Louis to Montreal flights are approximately 55% more expensive in the morning than in the evening

What is the cheapest airline that flies to Montreal from St. Louis?

Delta. Delta, Air Canada, and United Airlines are the most popular carriers operating from St. Louis to Montreal

What is the cheapest St. Louis to Montreal flight route?

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

How far in advance should you book St. Louis to Montreal flights?

52 days before. The cheapest time to buy a flight from St. Louis to Montreal is approximately 52 days to departure

Can stopping save me money on St. Louis to Montreal flights?

You could potentially save up to 37% on your flight if you consider stops on a St. Louis to Montreal flight.

When to book flights from St. Louis to Montreal

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Montreal according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Montreal (STL to YMQ) flight deals and tips

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

Best Price Found

$164

Fastest flight time

3h 57m

Direct flights

None

Airports in Montreal

1 airport
The best one-way flight to Montreal from St. Louis in the past 72 hours is $164. The best round-trip flight deal from St. Louis to Montreal found on momondo in the last 72 hours is $331.
The fastest flight from St. Louis to Montreal takes 3h 57m
There are no direct flights from St. Louis to Montreal. Popular non-direct route for this connection is Lambert-St Louis Airport - Montreal Pierre Elliott Trudeau Intl Airport.
There is 1 airport near Montreal: Montreal Pierre Elliott Trudeau Intl (YUL)

  • How far is Lambert-St Louis to Montreal by plane?

    The distance between Lambert-St Louis and Montreal is about 973.0 mi. A reasonable flight in good conditions will take 3h 57m.

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

    Prices for flights from Lambert-St Louis Airport to Montreal are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Montreal.

  • What documentation or ID do you need to fly to Montreal?

    The required travel and health documents for your Montreal 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 Montreal. 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 Montreal?

  • What is the most popular airline from St. Louis to Montreal?


Best airlines flying from St. Louis to Montreal

Compare and see reviews for airlines that fly from St. Louis to Montreal with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $267Free CancellationRating
7.0
8,198 reviews
Search Air Canada flights
American AirlinesPriceFrom $381Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $382Free CancellationRating
8.0
8,788 reviews
Search Delta flights
United AirlinesPriceFrom $429Free CancellationRating
7.4
9,194 reviews
Search United Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Montreal for you.

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

All flight searches from St. Louis to Montreal on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential St. Louis to Montreal flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for St. Louis to Montreal flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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Find better results for your trip to Canada

Fly into one of these airports located in Montreal

Airports listed have a maximum distance of 9.4 mi from Montreal