Find Cheap Flights from Seattle to Montreal

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 Seattle to Montreal

(Round-trip)
Depart: Tue Sep 12 2017 Return: Tue Sep 19 2017 Trip spans 8 days
Major Airline
Major Airline
SEA
2:00a
YUL
3:33a
1h 33m
1 stop
YUL
2:00a
SEA
9:33a
7h 33m
1 stop
Depart: Sat Oct 21 2017 Return: Wed Oct 25 2017 Trip spans 5 days
United
United
SEA
8:50a
YUL
4:49p
7h 59m
1 stop
YUL
5:40a
SEA
2:09p
8h 29m
1 stop
Depart: Sun Oct 29 2017 Return: Fri Nov 3 2017 Trip spans 6 days
Delta
Delta
SEA
7:20p
YUL
2:15a
6h 55m
1 stop
YUL
3:10p
SEA
10:47p
7h 37m
1 stop
Depart: Fri Sep 22 2017 Return: Sun Sep 24 2017 Trip spans 3 days
WestJet
WestJet
SEA
4:45p
YUL
12:02a
7h 17m
1 stop
YUL
3:25p
SEA
6:50p
27h 25m
1 stop
Depart: Mon Jul 10 2017 Return: Tue Jul 18 2017 Trip spans 9 days
Air Canada
Air Canada
SEA
3:05p
YUL
12:11a
9h 06m
1 stop
YUL
1:30a
SEA
9:19a
7h 49m
1 stop
Depart: Thu Sep 21 2017 Return: Tue Sep 26 2017 Trip spans 6 days
Major Airline
Major Airline
SEA
2:00a
YUL
3:33a
1h 33m
1 stop
YUL
2:00a
SEA
9:33a
7h 33m
1 stop
Depart: Wed Oct 4 2017 Return: Sun Oct 8 2017 Trip spans 5 days
WestJet
WestJet
SEA
4:45p
YUL
12:02a
7h 17m
1 stop
YUL
3:25p
SEA
6:00a
14h 35m
1 stop
Depart: Thu Aug 17 2017 Return: Wed Aug 23 2017 Trip spans 7 days
Major Airline
Major Airline
SEA
1:00a
YUL
2:33a
1h 33m
1 stop
YUL
1:00a
SEA
8:33a
7h 33m
1 stop
Depart: Wed Jul 12 2017 Return: Tue Jul 18 2017 Trip spans 7 days
Air Canada
Air Canada
SEA
10:20a
YUL
5:11p
6h 51m
1 stop
YUL
1:30a
SEA
9:19a
7h 49m
1 stop
Depart: Thu Oct 12 2017 Return: Mon Oct 16 2017 Trip spans 5 days
WestJet
WestJet
SEA
4:45p
YUL
12:02a
7h 17m
1 stop
YUL
4:00a
SEA
3:05p
11h 05m
1 stop
Depart: Thu Jul 20 2017 Return: Fri Jul 21 2017 Trip spans 2 days
United
United
SEA
3:22p
YUL
12:10a
8h 48m
1 stop
YUL
6:05a
SEA
2:55p
8h 50m
1 stop
Depart: Wed Jun 14 2017 Return: Tue Jun 20 2017 Trip spans 7 days
Major Airline
Major Airline
SEA
1:00a
YUL
2:33a
1h 33m
1 stop
YUL
1:00a
SEA
8:33a
7h 33m
1 stop
Depart: Mon Aug 28 2017 Return: Fri Sep 1 2017 Trip spans 5 days
Air Canada
Air Canada
SEA
3:05p
YUL
12:11a
9h 06m
1 stop
YUL
3:35a
SEA
12:50p
9h 15m
1 stop
Depart: Thu Jun 8 2017 Return: Thu Jun 15 2017 Trip spans 8 days
WestJet
WestJet
SEA
6:50p
YUL
12:15a
29h 25m
1 stop
YUL
3:25p
SEA
2:52p
23h 27m
1 stop
Depart: Fri Jun 16 2017 Return: Sun Jun 18 2017 Trip spans 3 days
Major Airline
Major Airline
SEA
2:00a
YUL
3:33a
1h 33m
1 stop
YUL
2:00a
SEA
9:33a
7h 33m
1 stop
Depart: Tue May 30 2017 Return: Mon Jun 5 2017 Trip spans 7 days
United
United
SEA
7:15p
YUL
2:10a
6h 55m
1 stop
YUL
12:43p
SEA
9:24p
8h 41m
1 stop
Depart: Wed Jul 19 2017 Return: Thu Jul 27 2017 Trip spans 9 days
Air Canada
Air Canada
SEA
10:20a
YUL
5:11p
6h 51m
1 stop
YUL
1:30a
SEA
9:19a
7h 49m
1 stop
Depart: Thu Jun 15 2017 Return: Mon Jun 26 2017 Trip spans 12 days
WestJet
WestJet
SEA
6:40p
YUL
12:15a
29h 35m
1 stop
YUL
4:00a
SEA
6:00a
26h 00m
1 stop
Depart: Wed Jun 21 2017 Return: Fri Jun 23 2017 Trip spans 3 days
Major Airline
Major Airline
SEA
2:00a
YUL
3:33a
1h 33m
1 stop
YUL
2:00a
SEA
9:33a
7h 33m
1 stop
Depart: Mon Jul 17 2017 Return: Thu Jul 27 2017 Trip spans 11 days
Air Canada
Air Canada
SEA
2:30a
YUL
10:13a
7h 43m
1 stop
YUL
1:30a
SEA
9:19a
7h 49m
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.

We compile tonnes of data for you
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,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Seattle
$354
Destination

Montreal
$354