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

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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Book cheap flights from Lambert-St Louis to Montreal

(Round-trip)
Depart: Thu Apr 27 2017 Return: Mon May 1 2017 Trip spans 5 days
Major Airline
Major Airline
STL
2:00a
YUL
2:56a
0h 56m
1 stop
YUL
2:00a
STL
4:56a
2h 56m
1 stop
Depart: Tue Jun 13 2017 Return: Tue Jun 20 2017 Trip spans 8 days
Air Canada
Air Canada
STL
5:05a
YUL
10:12a
5h 07m
1 stop
YUL
1:00p
STL
6:28p
5h 28m
1 stop
Depart: Tue Apr 25 2017 Return: Sun Apr 30 2017 Trip spans 6 days
Delta
Delta
STL
2:35a
YUL
6:54a
4h 19m
1 stop
YUL
1:30a
STL
6:22a
4h 52m
1 stop
Depart: Sun Jun 4 2017 Return: Wed Jun 7 2017 Trip spans 4 days
American Airlines
American Airlines
STL
1:00a
YUL
6:31a
5h 31m
1 stop
YUL
1:45a
STL
7:47a
6h 02m
1 stop
Depart: Mon May 22 2017 Return: Wed May 31 2017 Trip spans 10 days
WestJet
WestJet
STL
2:56p
YUL
5:22a
14h 26m
1 stop
YUL
3:15a
STL
9:18a
6h 03m
1 stop
Depart: Tue Apr 4 2017 Return: Thu Apr 13 2017 Trip spans 10 days
United
United
STL
12:30p
YUL
5:01p
4h 31m
1 stop
YUL
2:45a
STL
8:02a
5h 17m
1 stop
Depart: Wed May 3 2017 Return: Sun May 7 2017 Trip spans 5 days
Major Airline
Major Airline
STL
1:00a
YUL
1:56a
0h 56m
1 stop
YUL
1:00a
STL
3:56a
2h 56m
1 stop
Depart: Wed Jun 14 2017 Return: Fri Jun 16 2017 Trip spans 3 days
Air Canada
Air Canada
STL
5:05a
YUL
10:12a
5h 07m
1 stop
YUL
12:30p
STL
6:28p
5h 58m
1 stop
Depart: Mon May 8 2017 Return: Mon May 15 2017 Trip spans 8 days
Major Airline
Major Airline
STL
2:00a
YUL
2:56a
0h 56m
1 stop
YUL
2:00a
STL
4:56a
2h 56m
1 stop
Depart: Thu Jun 15 2017 Return: Fri Jun 16 2017 Trip spans 2 days
Air Canada
Air Canada
STL
2:00a
YUL
7:12a
5h 12m
1 stop
YUL
12:30p
STL
6:28p
5h 58m
1 stop
Depart: Sat Jun 17 2017 Return: Mon Jun 19 2017 Trip spans 3 days
Air Canada
Air Canada
STL
1:45p
YUL
7:22p
5h 37m
1 stop
YUL
12:30p
STL
6:28p
5h 58m
1 stop
Depart: Thu Aug 10 2017 Return: Sun Aug 13 2017 Trip spans 4 days
Major Airline
Major Airline
STL
2:00a
YUL
2:56a
0h 56m
1 stop
YUL
2:00a
STL
4:56a
2h 56m
1 stop
Depart: Sun Jun 18 2017 Return: Tue Jun 20 2017 Trip spans 3 days
Air Canada
Air Canada
STL
5:05a
YUL
10:13a
5h 08m
1 stop
YUL
1:00p
STL
6:28p
5h 28m
1 stop
Depart: Mon Apr 3 2017 Return: Mon Apr 10 2017 Trip spans 8 days
American Airlines
American Airlines
STL
2:15a
YUL
7:19a
5h 04m
1 stop
YUL
1:32p
STL
7:55p
6h 23m
1 stop
Depart: Mon Jun 19 2017 Return: Tue Jun 20 2017 Trip spans 2 days
Air Canada
Air Canada
STL
2:00a
YUL
7:13a
5h 13m
1 stop
YUL
1:00p
STL
6:28p
5h 28m
1 stop
Depart: Thu Apr 13 2017 Return: Sun Apr 16 2017 Trip spans 4 days
Delta
Delta
STL
5:43a
YUL
12:45p
7h 02m
1 stop
YUL
2:00a
STL
7:36a
5h 36m
1 stop
Depart: Fri Jun 2 2017 Return: Sun Jun 4 2017 Trip spans 3 days
American Airlines
American Airlines
STL
1:00a
YUL
6:31a
5h 31m
1 stop
YUL
1:45a
STL
7:45a
6h 00m
1 stop
Depart: Fri Jun 9 2017 Return: Mon Jun 12 2017 Trip spans 4 days
Major Airline
Major Airline
STL
1:00a
YUL
1:56a
0h 56m
2 stops
YUL
1:00a
STL
3:56a
2h 56m
2 stops
Depart: Thu May 25 2017 Return: Wed May 31 2017 Trip spans 7 days
WestJet
WestJet
STL
2:00a
YUL
9:25a
7h 25m
1 stop
YUL
3:15a
STL
5:45p
14h 30m
1 stop
Depart: Wed Aug 9 2017 Return: Tue Aug 15 2017 Trip spans 7 days
Air Canada
Air Canada
STL
5:05a
YUL
10:13a
5h 08m
1 stop
YUL
8:00a
STL
2:13p
6h 13m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

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.

If you have more questions or if you have a bad price to report to us,
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Airports
Origin

St. Louis
$287
Destination

Montreal
$287