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Cheap flights from St. Louis to Montreal from $174

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 2/26. 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 from St. Louis to Montreal

The cheapest plane tickets from St. Louis to Montreal found on KAYAK recently.
5:15 pm - 6:15 pmSTL-YUL
24h 00m3 stops
6:50 am - 11:30 amYUL-STL
29h 40m3 stops
Fri, Feb 14 - Sun, Feb 16
5:17 pm - 4:45 pmSTL-YUL
22h 28m2 stops
6:50 am - 11:45 amYUL-STL
29h 55m3 stops
Thu, Mar 27 - Mon, Mar 31
6:06 am - 4:19 pmSTL-YUL
9h 13m1 stop
6:00 am - 2:49 pmYUL-STL
9h 49m1 stop
$479Delta
Find Deal
Wed, Mar 5 - Wed, Mar 12
4:58 pm - 10:05 amSTL-YUL
16h 07m1 stop
5:35 pm - 11:34 amYUL-STL
18h 59m1 stop
$521American Airlines
Find Deal
Wed, Feb 19 - Wed, Feb 26
10:20 am - 9:03 pmSTL-YUL
9h 43m1 stop
6:00 am - 2:49 pmYUL-STL
9h 49m1 stop
$524Delta
Find Deal
Wed, Mar 5 - Wed, Mar 12
7:20 am - 4:50 pmSTL-YUL
8h 30m1 stop
7:14 am - 2:26 pmYUL-STL
8h 12m1 stop
$570American Airlines
Find Deal
Wed, Feb 12 - Sat, Feb 15
7:30 am - 3:58 pmSTL-YUL
7h 28m1 stop
8:00 pm - 11:02 amYUL-STL
16h 02m2 stops
$741United Airlines
Find Deal
Sun, Mar 16 - Fri, Mar 21
8:00 am - 10:04 pmSTL-YUL
13h 04m2 stops
4:10 pm - 3:47 pmYUL-STL
24h 37m2 stops
$743United Airlines
Find Deal
Wed, Mar 26 - Sun, Mar 30
8:48 am - 5:08 pmSTL-YUL
7h 20m1 stop
6:10 pm - 8:01 pmYUL-STL
2h 51mnonstop
$753Air Canada
Find Deal
Wed, Apr 30 - Sun, May 4
9:15 am - 3:21 pmSTL-YUL
5h 06m1 stop
6:10 pm - 8:01 pmYUL-STL
2h 51mnonstop
$759Air Canada
Find Deal
Sat, Jun 14 - Sat, Jun 14
5:20 pm - 2:40 pmSTL-YUL
20h 20m1 stop
Wed, Feb 26
5:20 pm - 2:40 pmSTL-YUL
20h 20m1 stop
Wed, Feb 26
6:43 pm - 10:10 amSTL-YUL
14h 27m2 stops
Wed, Feb 26
12:15 pm - 7:25 pmSTL-YUL
30h 10m3 stops
Wed, Feb 26
6:43 pm - 9:00 amSTL-YUL
13h 17m2 stops
Wed, Feb 26
9:50 am - 12:37 amSTL-YUL
13h 47m3 stops
Fri, Jun 13
5:00 am - 3:25 pmSTL-YUL
9h 25m1 stop
$293American Airlines
Find Deal
Thu, Mar 6
1:30 pm - 5:00 pmSTL-YUL
2h 30mnonstop
$364United Airlines
Find Deal
Fri, Jun 13
2:18 pm - 11:09 pmSTL-YUL
7h 51m1 stop
$368Delta
Find Deal
Fri, Jun 13
6:30 am - 4:27 pmSTL-YUL
32h 57m2 stops
$437WestJet
Find Deal
Fri, Jun 13
1:30 pm - 5:00 pmSTL-YUL
2h 30mnonstop
6:10 pm - 8:01 pmYUL-STL
2h 51mnonstop
$779United Airlines
Find Deal
Fri, May 30 - Thu, Jun 5
1:30 pm - 5:00 pmSTL-YUL
2h 30mnonstop
6:10 pm - 8:01 pmYUL-STL
2h 51mnonstop
$893United Airlines
Find Deal
Sun, Jun 1 - Sun, Jun 8
1:30 pm - 5:00 pmSTL-YUL
2h 30mnonstop
6:10 pm - 8:00 pmYUL-STL
2h 50mnonstop
$1,056Air Canada
Find Deal
Sun, Jun 15 - Sat, Jun 21
1:30 pm - 5:00 pmSTL-YUL
2h 30mnonstop
6:10 pm - 8:00 pmYUL-STL
2h 50mnonstop
$1,057Air Canada
Find Deal
Sun, Jun 15 - Sat, Jun 21
1:30 pm - 5:00 pmSTL-YUL
2h 30mnonstop
6:10 pm - 8:00 pmYUL-STL
2h 50mnonstop
$1,116United Airlines
Find Deal
Sat, Jun 21 - Wed, Jun 25
1:30 pm - 5:00 pmSTL-YUL
2h 30mnonstop
6:10 pm - 8:00 pmYUL-STL
2h 50mnonstop
$1,171Air Canada
Find Deal
Tue, Jun 3 - Wed, Jun 18

United Airlines flights from St. Louis to Montreal

Our best United Airlines deals on St. Louis to Montreal flight tickets
United Airlines
Mar 16
STL7:30 amLambert-St Louis
7h 28m
1 stop
YUL3:58 pmMontreal Pierre Elliott Trudeau Intl
Mar 21
YUL8:00 pmMontreal Pierre Elliott Trudeau Intl
16h 02m
2 stops
STL11:02 amLambert-St Louis
United Airlines
Mar 26
STL8:00 amLambert-St Louis
13h 04m
2 stops
YUL10:04 pmMontreal Pierre Elliott Trudeau Intl
Mar 30
YUL4:10 pmMontreal Pierre Elliott Trudeau Intl
24h 37m
2 stops
STL3:47 pmLambert-St Louis
United Airlines
Mar 8
STL1:05 pmLambert-St Louis
16h 55m
2 stops
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
Mar 15
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
9h 31m
2 stops
STL3:31 pmLambert-St Louis

WestJet flights from St. Louis to Montreal

Our best WestJet deals on St. Louis to Montreal flight tickets
WestJet
Feb 14
STL5:50 pmLambert-St Louis
4h 32m
1 stop
YUL11:22 pmMontreal Pierre Elliott Trudeau Intl
Feb 16
YUL6:00 amMontreal Pierre Elliott Trudeau Intl
7h 28m
1 stop
STL12:28 pmLambert-St Louis
WestJet
Mar 12
STL6:50 amLambert-St Louis
4h 08m
1 stop
YUL11:58 amMontreal Pierre Elliott Trudeau Intl
Mar 13
YUL6:00 amMontreal Pierre Elliott Trudeau Intl
6h 58m
1 stop
STL11:58 amLambert-St Louis
WestJet
Mar 10
STL5:37 pmLambert-St Louis
17h 21m
1 stop
YUL11:58 amMontreal Pierre Elliott Trudeau Intl
Mar 13
YUL6:00 amMontreal Pierre Elliott Trudeau Intl
6h 58m
1 stop
STL11:58 amLambert-St Louis

See travel insights to Montreal from

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 typical price of a round-trip flight between St. Louis and Montreal?

What is the cheapest month to fly to Montreal?

The cheapest month to fly to Montreal from St. Louis is in November. Flight prices, which tend to average around $471, are often lower during this time because this is during the off-season. If you are unable to visit Montreal during the month of November, then departing from St. Louis during the month April is also very affordable. Most momondo users find prices during this month for around $501.

What is the cheapest day to depart on your flight to Montreal?

The cheapest day to depart from St. Louis to Montreal is on a Saturday when prices can be found for as low as $529. Flights from St. Louis to Montreal on a Friday will generally be more expensive and average around $646. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Montreal?

Our most recent data shows that the best time of day to fly to Montreal is in the evening. Flights from St. Louis to Montreal during this time can be as low as $266. At noon is when there is more demand to fly to Montreal, so prices are often more expensive at around $1,316 per ticket.

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

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

What cabin class options are available on Lambert-St Louis to Montreal flights?

There are 3 cabin classes available to choose from on Lambert-St Louis to Montreal flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

$174

Fastest flight time

2h 30m

Direct flights

Mon, Wed, Sat and Sun

Airports in Montreal

1 airport
The best one-way flight to Montreal from St. Louis in the past 72 hours is $174. The best round-trip flight deal from St. Louis to Montreal found on momondo in the last 72 hours is $465.
The fastest flight from St. Louis to Montreal takes 2h 30m
Direct flights go from St. Louis to Montreal on Monday, Wednesday, Saturday and Sunday. Airlines offering direct flights are: United Airlines and Air Canada.
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 2h 30m.

  • 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
United AirlinesPriceFrom $261Free CancellationRating
7.4
8,984 reviews
Search United Airlines flights
Air CanadaPriceFrom $272Free CancellationRating
7.0
8,633 reviews
Search Air Canada flights
American AirlinesPriceFrom $330Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $383Free CancellationRating
8.0
8,521 reviews
Search Delta 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