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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis from $236

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis departing on 7/3. 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

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Find the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis.
 Logo
6:45 am - 9:15 amYUL-STL
27h 30m2 stops
 Logo
5:45 pm - 2:20 pmSTL-YUL
19h 35m1 stop
Fri, May 9 - Mon, May 12
 Logo
6:45 am - 12:06 amYUL-STL
18h 21m1 stop
 Logo
9:55 pm - 7:57 pmSTL-YUL
21h 02m2 stops
Thu, May 1 - Mon, May 5
 Logo
6:45 am - 9:15 amYUL-STL
27h 30m1 stop
 Logo
5:45 pm - 2:20 pmSTL-YUL
19h 35m1 stop
Fri, May 9 - Mon, May 12
Air Canada Logo
6:10 pm - 7:58 pmYUL-STL
2h 48mnonstop
Air Canada Logo
1:30 pm - 5:00 pmSTL-YUL
2h 30mnonstop
$421Air Canada
Find Deal
Fri, May 9 - Mon, May 12
United Airlines Logo
6:10 pm - 7:57 pmYUL-STL
2h 47mnonstop
United Airlines Logo
9:17 am - 5:26 pmSTL-YUL
7h 09m1 stop
$433United Airlines
Find Deal
Fri, Sep 19 - Sun, Sep 21
United Airlines Logo
6:10 pm - 7:58 pmYUL-STL
2h 48mnonstop
United Airlines Logo
1:30 pm - 5:00 pmSTL-YUL
2h 30mnonstop
$434United Airlines
Find Deal
Thu, May 1 - Mon, May 5
American Airlines Logo
5:40 pm - 9:58 amYUL-STL
17h 18m1 stop
American Airlines Logo
10:38 am - 4:27 pmSTL-YUL
4h 49m1 stop
$478American Airlines
Find Deal
Tue, Oct 14 - Sun, Oct 19
Delta Logo
11:20 am - 8:15 amYUL-STL
21h 55m1 stop
Delta Logo
6:50 am - 11:58 amSTL-YUL
4h 08m1 stop
$489Delta
Find Deal
Mon, Apr 28 - Thu, May 1
Air Canada Logo
7:00 pm - 2:42 pmYUL-STL
20h 42m2 stops
Air Canada Logo
5:20 am - 11:26 pmSTL-YUL
17h 06m1 stop
$499Air Canada
Find Deal
Mon, Apr 28 - Thu, May 1
Delta Logo
7:00 am - 4:26 pmYUL-STL
10h 26m1 stop
Delta Logo
5:32 pm - 11:59 pmSTL-YUL
5h 27m1 stop
$560Delta
Find Deal
Mon, Apr 28 - Tue, Apr 29

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

Our best WestJet deals on Montreal Pierre Elliott Trudeau Intl Airport to St. Louis flight tickets
WestJet
Sep 19
YUL7:30 amMontreal Pierre Elliott Trudeau Intl
7h 46m
1 stop
STL2:16 pmLambert-St Louis
Sep 21
STL6:00 amLambert-St Louis
10h 04m
1 stop
YUL5:04 pmMontreal Pierre Elliott Trudeau Intl
WestJet
Oct 14
YUL6:45 amMontreal Pierre Elliott Trudeau Intl
10h 13m
2 stops
STL3:58 pmLambert-St Louis
Oct 19
STL3:30 pmLambert-St Louis
8h 07m
2 stops
YUL12:37 amMontreal Pierre Elliott Trudeau Intl
WestJet
Apr 23
YUL6:45 amMontreal Pierre Elliott Trudeau Intl
9h 01m
2 stops
STL2:46 pmLambert-St Louis
Apr 23
STL5:34 pmLambert-St Louis
30h 05m
2 stops
YUL12:39 amMontreal Pierre Elliott Trudeau Intl

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

Our best United Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to St. Louis flight tickets
United Airlines
Sep 19
YUL6:10 pmMontreal Pierre Elliott Trudeau Intl
2h 47m
STL7:57 pmLambert-St Louis
Sep 21
STL9:17 amLambert-St Louis
7h 09m
1 stop
YUL5:26 pmMontreal Pierre Elliott Trudeau Intl
United Airlines
May 1
YUL6:10 pmMontreal Pierre Elliott Trudeau Intl
2h 48m
STL7:58 pmLambert-St Louis
May 5
STL1:30 pmLambert-St Louis
2h 30m
YUL5:00 pmMontreal Pierre Elliott Trudeau Intl
United Airlines
May 1
YUL6:00 pmMontreal Pierre Elliott Trudeau Intl
6h 40m
1 stop
STL11:40 pmLambert-St Louis
May 5
STL1:41 pmLambert-St Louis
8h 45m
1 stop
YUL11:26 pmMontreal Pierre Elliott Trudeau Intl

See travel insights to St. Louis from

How to get the cheapest flight ticket from Montreal Pierre Elliott Trudeau Intl Airport 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 Montreal Pierre Elliott Trudeau Intl Airport to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $440. The month of May is another great option to travel to St. Louis, with average flight prices from Montreal Pierre Elliott Trudeau Intl Airport averaging around $454.

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 Tuesday when prices can be found for as low as $282. 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 Thursday because tickets tend to average around $811. 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 time of day to depart on your flight to St. Louis?

Flying to St. Louis from Montreal Pierre Elliott Trudeau Intl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $340 when looking at flights departing in the evening. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $593 per ticket.

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

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

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

There are 3 cabin classes available to choose from on Montreal Pierre Elliott Trudeau Intl to Lambert-St Louis 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 Montreal Pierre Elliott Trudeau Intl Airport to St. Louis

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

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

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

Best Price Found

$236

Fastest flight time

2h 47m

Direct flights

Mon, Fri and Sat

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Montreal Pierre Elliott Trudeau Intl Airport in the past 72 hours is $236. The best round-trip flight deal from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis found on momondo in the last 72 hours is $305.
The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis takes 2h 47m
Direct flights go from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis on Monday, Friday and Saturday. Airlines offering direct flights are: United Airlines and Air Canada.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

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

    A flight from Montreal Pierre Elliott Trudeau Intl to Lambert-St Louis will travel around 963.7 mi. Flights usually cover this in 2h 47m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Lambert-St Louis Airport are refreshed on a daily basis.

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

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

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


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

Compare and see reviews for airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $285Free CancellationRating
7.0
9,142 reviews
Search Air Canada flights
DeltaPriceFrom $452Free CancellationRating
8.0
7,917 reviews
Search Delta flights

Traveling to a place near St. Louis?

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

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from Montreal.

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

momondo does allow users to show only those flights to St. Louis from Montreal which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Montreal to St. Louis.

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

Yes momondo offers price alerts on flights to St. Louis from Montreal. 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.


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