Find Cheap Flights from Montreal to Lambert-St Louis (YMQ - STL)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Montreal to Lambert-St Louis

(Round-trip)
Depart: Sat Sep 23 2017 Return: Sun Sep 24 2017 Trip spans 2 days
American Airlines
American Airlines
YUL
2:15a
STL
9:42a
7h 27m
1 stop
STL
1:02a
YUL
6:31a
5h 29m
1 stop
Depart: Wed Jul 12 2017 Return: Mon Jul 17 2017 Trip spans 6 days
Major Airline
Major Airline
YUL
1:00a
STL
3:56a
2h 56m
1 stop
STL
1:00a
YUL
1:56a
0h 56m
1 stop
Depart: Fri Jun 30 2017 Return: Sun Jul 2 2017 Trip spans 3 days
Delta
Delta
YUL
8:34a
STL
1:08p
4h 34m
1 stop
STL
1:05p
YUL
7:06p
6h 01m
1 stop
Depart: Thu Jun 15 2017 Return: Sun Jun 18 2017 Trip spans 4 days
Major Airline
Major Airline
YUL
11:00p
STL
5:11a
6h 11m
1 stop
STL
4:47a
YUL
1:24p
8h 37m
1 stop
Depart: Fri Jul 7 2017 Return: Mon Jul 17 2017 Trip spans 11 days
Major Airline
Major Airline
YUL
11:00p
STL
5:45a
6h 45m
2 stops
STL
10:55a
YUL
1:26a
14h 31m
2 stops
Depart: Thu Jun 1 2017 Return: Mon Jun 5 2017 Trip spans 5 days
Delta
Delta
YUL
1:45a
STL
9:40a
7h 55m
1 stop
STL
10:34a
YUL
5:24p
6h 50m
1 stop
Depart: Thu Jul 13 2017 Return: Tue Jul 18 2017 Trip spans 6 days
Major Airline
Major Airline
YUL
2:00a
STL
4:56a
2h 56m
2 stops
STL
2:00a
YUL
2:56a
0h 56m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

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Airports
Origin

Montreal
$263
Destination

St. Louis
$263