Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport from $136

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 Pierre Elliott Trudeau Intl Airport departing on 3/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

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.
6:11 pm - 2:55 pmSTL-YUL
19h 44m1 stop
6:45 am - 5:16 pmYUL-STL
11h 31m2 stops
jue., abr. 10 - dom., abr. 13
6:11 pm - 2:55 pmSTL-YUL
19h 44m1 stop
6:30 am - 5:16 pmYUL-STL
11h 46m1 stop
jue., abr. 10 - dom., abr. 13
6:08 am - 4:05 pmSTL-YUL
8h 57m1 stop
6:00 am - 2:46 pmYUL-STL
9h 46m1 stop
$452Delta
Find Deal
jue., abr. 17 - mar., abr. 22
6:00 am - 9:26 pmSTL-YUL
14h 26m1 stop
6:00 am - 2:49 pmYUL-STL
9h 49m1 stop
$496Delta
Find Deal
mar., may. 27 - mar., jun. 3
6:01 pm - 9:50 amSTL-YUL
14h 49m1 stop
12:30 pm - 9:52 pmYUL-STL
10h 22m1 stop
$530American Airlines
Find Deal
jue., may. 15 - lun., may. 19
6:00 am - 10:45 pmSTL-YUL
15h 45m2 stops
10:44 am - 7:47 pmYUL-STL
10h 03m1 stop
$531American Airlines
Find Deal
mar., may. 20 - mar., may. 27
1:30 pm - 5:00 pmSTL-YUL
2h 30mnonstop
6:10 pm - 8:01 pmYUL-STL
2h 51mnonstop
$571United Airlines
Find Deal
dom., may. 18 - sáb., may. 24
1:30 pm - 5:00 pmSTL-YUL
2h 30mnonstop
1:15 pm - 12:19 pmYUL-STL
24h 04m1 stop
$580United Airlines
Find Deal
vie., may. 16 - dom., may. 18
1:30 pm - 5:00 pmSTL-YUL
2h 30mnonstop
6:10 pm - 8:00 pmYUL-STL
2h 50mnonstop
$699Air Canada
Find Deal
mié., jun. 11 - jue., jun. 19
7:30 am - 3:14 pmSTL-YUL
6h 44m2 stops
7:00 am - 12:36 pmYUL-STL
6h 36m1 stop
$727Air Canada
Find Deal
dom., jun. 15 - sáb., jun. 21

Delta flights from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport

Our best Delta deals on St. Louis to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
Delta
Apr 17
STL6:08 amLambert-St Louis
8h 57m
1 stop
YUL4:05 pmMontreal Pierre Elliott Trudeau Intl
Apr 22
YUL6:00 amMontreal Pierre Elliott Trudeau Intl
9h 46m
1 stop
STL2:46 pmLambert-St Louis
Delta
May 27
STL6:00 amLambert-St Louis
14h 26m
1 stop
YUL9:26 pmMontreal Pierre Elliott Trudeau Intl
Jun 3
YUL6:00 amMontreal Pierre Elliott Trudeau Intl
9h 49m
1 stop
STL2:49 pmLambert-St Louis
Delta
May 25
STL6:40 pmLambert-St Louis
14h 45m
1 stop
YUL10:25 amMontreal Pierre Elliott Trudeau Intl
Jun 3
YUL6:00 amMontreal Pierre Elliott Trudeau Intl
9h 49m
1 stop
STL2:49 pmLambert-St Louis

American Airlines flights from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport

Our best American Airlines deals on St. Louis to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
American Airlines
May 15
STL6:01 pmLambert-St Louis
14h 49m
1 stop
YUL9:50 amMontreal Pierre Elliott Trudeau Intl
May 19
YUL12:30 pmMontreal Pierre Elliott Trudeau Intl
10h 22m
1 stop
STL9:52 pmLambert-St Louis
American Airlines
May 20
STL6:00 amLambert-St Louis
15h 45m
2 stops
YUL10:45 pmMontreal Pierre Elliott Trudeau Intl
May 27
YUL10:44 amMontreal Pierre Elliott Trudeau Intl
10h 03m
1 stop
STL7:47 pmLambert-St Louis
American Airlines
May 15
STL5:00 amLambert-St Louis
10h 55m
2 stops
YUL4:55 pmMontreal Pierre Elliott Trudeau Intl
May 19
YUL12:30 pmMontreal Pierre Elliott Trudeau Intl
10h 22m
1 stop
STL9:52 pmLambert-St Louis

See travel insights to Montreal from

How to get the cheapest flight ticket from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport

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 Montreal Pierre Elliott Trudeau Intl Airport?

The month of April is another great option to travel to Montreal Pierre Elliott Trudeau Intl Airport, with average flight prices from St. Louis averaging around $490.

What is the cheapest day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport?

The cheapest day to depart from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport is on a Tuesday. Travelers who choose to depart for Montreal Pierre Elliott Trudeau Intl Airport on a Tuesday will often find tickets for as low as $1,065. Flights from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport on a Saturday will generally be more expensive and average around $1,275. 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 Pierre Elliott Trudeau Intl Airport?

In the evening is the cheapest time of day to fly from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport when you can find flight prices for as low as $282. Flying to Montreal Pierre Elliott Trudeau Intl Airport in the evening is an ideal time because this is during off-peak travel hours. Flights at noon are often more expensive with an average ticket price of $1,271.

What is the cheapest Lambert-St Louis to Montreal Pierre Elliott Trudeau Intl flight route?

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

What cabin class options are available on Lambert-St Louis to Montreal Pierre Elliott Trudeau Intl flights?

There are 4 cabin classes available to choose from on Lambert-St Louis to Montreal Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl Airport

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

Cheap St. Louis to Montreal Pierre Elliott Trudeau Intl Airport (STL to YUL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport

Best Price Found

$136

Fastest flight time

2h 30m

Direct flights

Mon, Tue, Wed, Thu and Sun
The best one-way flight to Montreal Pierre Elliott Trudeau Intl Airport from St. Louis in the past 72 hours is $136. The best round-trip flight deal from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport found on momondo in the last 72 hours is $303.
The fastest flight from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport takes 2h 30m
Direct flights go from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport on Monday, Tuesday, Wednesday, Thursday and Sunday. Airlines offering direct flights are: United Airlines and Air Canada.

  • How far is Lambert-St Louis to Montreal Pierre Elliott Trudeau Intl by plane?

    There are 963.7 mi between Lambert-St Louis and Montreal Pierre Elliott Trudeau Intl. 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 Pierre Elliott Trudeau Intl Airport?

    Prices for flights from Lambert-St Louis Airport to Montreal Pierre Elliott Trudeau Intl Airport are updated daily.

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

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

    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 Pierre Elliott Trudeau Intl Airport.

  • What documentation or ID do you need to fly to Montreal Pierre Elliott Trudeau Intl Airport?

    The required travel and health documents for your Montreal Pierre Elliott Trudeau Intl Airport 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 Pierre Elliott Trudeau Intl Airport. 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 Pierre Elliott Trudeau Intl Airport?

  • What is the most popular airline from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport?


Best airlines flying from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport

Compare and see reviews for airlines that fly from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $259Free CancellationRating
7.4
8,766 reviews
Search United Airlines flights
Air CanadaPriceFrom $272Free CancellationRating
7.0
8,748 reviews
Search Air Canada flights
American AirlinesPriceFrom $330Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $472Free CancellationRating
8.0
8,220 reviews
Search Delta flights

Traveling to a place near Montreal?

Book flights to Montreal if you plan to visit one of these locations
Laval
Longueuil
Dorval
Cornwall
Brossard
Saint-Sauveur
Trois-Rivières
Sherbrooke
Magog
Saint-Jean-sur-Richelieu
Drummondville
Bromont
Montebello
Sutton
Boucherville
North Hatley

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Montreal. momondo saves you time and could save you money on your trip.

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 offers price alerts on flights to Montreal 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.


An easier way to manage your Montreal Pierre Elliott Trudeau Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
mar. 2/25
mar. 3/4

Find better results for your trip to Montreal

Popular cities in Canada

Popular flights according to clicks in the last 7 days on momondo