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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis from $333

This is the cheapest round-trip 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 12/9. 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 Montreal Pierre Elliott Trudeau Intl Airport to St. Louis

Cheap round-trip flights

These are some of the best round-trip flight deals from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis 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 Montreal Pierre Elliott Trudeau Intl Airport to St. Louis.

Cheap last minute flights

Planning a quick getaway from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis? 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 St. Louis, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis

Find recent round-trip train or bus tickets from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis.

All round-trip flight deals to St. Louis

The cheapest plane tickets to St. Louis found on KAYAK recently.
3:55 pm - 3:21 pmYUL-STL
24h 26m1 stop
8:34 pm - 4:35 pmSTL-YUL
19h 01m1 stop
Mon, Dec 9 - Mon, Dec 16
6:45 am - 11:27 pmYUL-STL
17h 42m1 stop
8:34 pm - 4:35 pmSTL-YUL
19h 01m1 stop
Thu, Jan 9 - Mon, Jan 13
5:35 pm - 7:55 pmYUL-STL
27h 20m3 stops
12:00 pm - 4:35 pmSTL-YUL
27h 35m3 stops
Thu, Jan 9 - Mon, Jan 13
5:15 pm - 12:32 pmYUL-STL
20h 17m1 stop
6:05 am - 9:06 pmSTL-YUL
14h 01m1 stop
$505Delta
Find Deal
Thu, Jan 9 - Mon, Jan 13
7:30 am - 12:50 pmYUL-STL
6h 20m1 stop
7:18 am - 4:50 pmSTL-YUL
8h 32m2 stops
$529American Airlines
Find Deal
Thu, Jan 9 - Mon, Jan 13
7:14 am - 11:59 pmYUL-STL
17h 45m1 stop
11:00 am - 10:57 pmSTL-YUL
10h 57m2 stops
$539American Airlines
Find Deal
Mon, Dec 9 - Mon, Dec 16
8:25 am - 9:45 pmYUL-STL
14h 20m2 stops
5:00 am - 10:32 amSTL-YUL
4h 32m1 stop
$625United Airlines
Find Deal
Tue, Dec 24 - Thu, Jan 2
6:00 am - 10:40 amYUL-STL
5h 40m1 stop
5:17 pm - 12:40 amSTL-YUL
30h 23m2 stops
$632WestJet
Find Deal
Mon, Dec 16 - Mon, Dec 23
8:25 am - 9:45 pmYUL-STL
14h 20m2 stops
5:00 am - 5:50 pmSTL-YUL
11h 50m2 stops
$654United Airlines
Find Deal
Tue, Dec 24 - Thu, Jan 2
7:10 am - 4:59 pmYUL-STL
10h 49m1 stop
5:55 pm - 11:09 pmSTL-YUL
4h 14m1 stop
$844WestJet
Find Deal
Fri, Dec 20 - Fri, Dec 27
8:15 am - 3:06 pmYUL-STL
7h 51m1 stop
$397Air Canada
Find Deal
Sat, Dec 21
3:55 pm - 4:26 pmYUL-STL
25h 31m1 stop
Sat, Nov 30
8:50 pm - 4:26 pmYUL-STL
44h 36m3 stops
Sun, Dec 1
6:45 am - 4:29 pmYUL-STL
10h 44m2 stops
$482WestJet
Find Deal
Sat, Nov 30
6:45 am - 9:55 pmYUL-STL
40h 10m2 stops
$493WestJet
Find Deal
Sun, Dec 1
6:15 pm - 10:47 amYUL-STL
17h 32m2 stops
$498United Airlines
Find Deal
Sat, Dec 21
7:00 am - 4:25 pmYUL-STL
34h 25m3 stops
Sat, Nov 30
6:09 pm - 11:41 pmYUL-STL
6h 32m1 stop
$535WestJet
Find Deal
Sun, Dec 1

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

Our best American Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to St. Louis flight tickets
American Airlines
Jan 9
YUL7:30 amMontreal Pierre Elliott Trudeau Intl
6h 20m
1 stop
STL12:50 pmLambert-St Louis
Jan 13
STL7:18 amLambert-St Louis
8h 32m
2 stops
YUL4:50 pmMontreal Pierre Elliott Trudeau Intl
American Airlines
Dec 9
YUL7:14 amMontreal Pierre Elliott Trudeau Intl
17h 45m
1 stop
STL11:59 pmLambert-St Louis
Dec 16
STL11:00 amLambert-St Louis
10h 57m
2 stops
YUL10:57 pmMontreal Pierre Elliott Trudeau Intl
American Airlines
Dec 9
YUL10:59 amMontreal Pierre Elliott Trudeau Intl
12h 06m
2 stops
STL10:05 pmLambert-St Louis
Dec 16
STL11:00 amLambert-St Louis
10h 57m
2 stops
YUL10:57 pmMontreal 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
Dec 24
YUL8:25 amMontreal Pierre Elliott Trudeau Intl
14h 20m
2 stops
STL9:45 pmLambert-St Louis
Jan 2
STL5:00 amLambert-St Louis
4h 32m
1 stop
YUL10:32 amMontreal Pierre Elliott Trudeau Intl
United Airlines
Dec 24
YUL8:25 amMontreal Pierre Elliott Trudeau Intl
14h 20m
2 stops
STL9:45 pmLambert-St Louis
Jan 2
STL5:00 amLambert-St Louis
11h 50m
2 stops
YUL5:50 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 typical price of a round-trip flight between Montreal Pierre Elliott Trudeau Intl Airport and St. Louis?

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

In general, January 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 $371. The month of April is another great option to travel to St. Louis, with average flight prices from Montreal Pierre Elliott Trudeau Intl Airport averaging around $399.

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 Monday when prices can be found for as low as $0. 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 Wednesday because tickets tend to average around $549. 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 morning is the least expensive time of day to depart. momondo users have found prices as low as $450 when looking at flights departing in the morning. In the evening is when there is more demand to fly to St. Louis, so prices are often more expensive at around $602 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 1 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.

Can stopping save me money on Montreal Pierre Elliott Trudeau Intl Airport to St. Louis flights?

You could potentially save up to 14% on your flight if you consider stops on a Montreal Pierre Elliott Trudeau Intl Airport to St. Louis flight.

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

$397

Fastest flight time

5h 40m

Direct flights

None

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 $397. 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 $333.
The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis takes 5h 40m
There are no direct flights from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis. Popular non-direct route for this connection is Montreal Pierre Elliott Trudeau Intl Airport - Lambert-St Louis Airport.
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 5h 40m, 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
8,246 reviews
Search Air Canada flights

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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