Find Deals on Flights from Montreal to Seattle

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 Montreal to Seattle

(Round-trip)
Depart: Tue Mar 14 2017 Return: Tue Mar 21 2017 Trip spans 8 days
American Airlines
American Airlines
YUL
10:25a
SEA
8:13p
9h 48m
1 stop
SEA
7:55p
YUL
9:47a
13h 52m
1 stop
Depart: Wed Apr 26 2017 Return: Mon May 8 2017 Trip spans 13 days
Delta
Delta
YUL
3:00a
SEA
1:22p
10h 22m
1 stop
SEA
6:35p
YUL
4:20a
9h 45m
1 stop
Depart: Mon May 1 2017 Return: Sat May 6 2017 Trip spans 6 days
WestJet
WestJet
YUL
3:50a
SEA
1:20p
9h 30m
1 stop
SEA
3:05p
YUL
12:05a
9h 00m
1 stop
Depart: Fri Jun 16 2017 Return: Tue Jun 27 2017 Trip spans 12 days
Major Airline
Major Airline
YUL
7:47a
SEA
4:53p
9h 06m
2 stops
SEA
9:00a
YUL
8:05p
11h 05m
2 stops
Depart: Tue Mar 21 2017 Return: Thu Mar 23 2017 Trip spans 3 days
American Airlines
American Airlines
YUL
10:25a
SEA
8:13p
9h 48m
1 stop
SEA
6:00a
YUL
4:26a
22h 26m
1 stop
Depart: Tue May 2 2017 Return: Mon May 8 2017 Trip spans 7 days
Delta
Delta
YUL
9:00a
SEA
9:06p
12h 06m
2 stops
SEA
6:35p
YUL
4:20a
9h 45m
1 stop
Depart: Thu May 25 2017 Return: Tue May 30 2017 Trip spans 6 days
WestJet
WestJet
YUL
3:50a
SEA
1:20p
9h 30m
1 stop
SEA
3:05p
YUL
12:05a
9h 00m
1 stop
Depart: Mon Mar 27 2017 Return: Sat Apr 8 2017 Trip spans 13 days
Major Airline
Major Airline
YUL
4:05a
SEA
1:06p
9h 01m
2 stops
SEA
11:45p
YUL
1:27p
13h 42m
2 stops
Depart: Fri Mar 31 2017 Return: Tue Apr 4 2017 Trip spans 5 days
American Airlines
American Airlines
YUL
3:20a
SEA
8:13p
16h 53m
1 stop
SEA
7:59p
YUL
9:49a
13h 50m
1 stop
Depart: Thu Apr 27 2017 Return: Mon May 8 2017 Trip spans 12 days
Delta
Delta
YUL
8:00a
SEA
10:10p
14h 10m
2 stops
SEA
6:35p
YUL
4:20a
9h 45m
1 stop
Depart: Wed Jun 7 2017 Return: Thu Jun 22 2017 Trip spans 16 days
WestJet
WestJet
YUL
3:50a
SEA
1:20p
9h 30m
1 stop
SEA
4:45p
YUL
12:05a
7h 20m
1 stop
Depart: Mon Apr 17 2017 Return: Mon Apr 24 2017 Trip spans 8 days
Major Airline
Major Airline
YUL
4:15a
SEA
1:10p
8h 55m
2 stops
SEA
11:00a
YUL
10:13p
11h 13m
2 stops
Depart: Fri Apr 28 2017 Return: Mon May 8 2017 Trip spans 11 days
Delta
Delta
YUL
8:00a
SEA
10:10p
14h 10m
2 stops
SEA
6:35p
YUL
4:20a
9h 45m
1 stop
Depart: Sun Jun 11 2017 Return: Thu Jun 22 2017 Trip spans 12 days
WestJet
WestJet
YUL
3:50a
SEA
1:20p
9h 30m
1 stop
SEA
4:45p
YUL
12:05a
7h 20m
1 stop
Depart: Sun Jun 4 2017 Return: Mon Jun 12 2017 Trip spans 9 days
Major Airline
Major Airline
YUL
11:42p
SEA
7:54a
8h 12m
2 stops
SEA
4:10a
YUL
1:54p
9h 44m
2 stops
Depart: Mon Jun 12 2017 Return: Thu Jun 22 2017 Trip spans 11 days
WestJet
WestJet
YUL
2:45a
SEA
1:05p
10h 20m
1 stop
SEA
4:45p
YUL
12:05a
7h 20m
1 stop
Depart: Wed Jun 21 2017 Return: Fri Jul 7 2017 Trip spans 17 days
Major Airline
Major Airline
YUL
7:47a
SEA
4:53p
9h 06m
2 stops
SEA
11:45p
YUL
1:30p
13h 45m
2 stops
Depart: Thu Mar 23 2017 Return: Fri Apr 7 2017 Trip spans 16 days
Delta
Delta
YUL
3:20a
SEA
6:37p
15h 17m
2 stops
SEA
3:00p
YUL
12:00a
9h 00m
1 stop
Depart: Tue Jun 13 2017 Return: Thu Jun 22 2017 Trip spans 10 days
WestJet
WestJet
YUL
3:50a
SEA
1:00p
9h 10m
1 stop
SEA
4:45p
YUL
12:05a
7h 20m
1 stop
Depart: Sun Aug 27 2017 Return: Sat Sep 9 2017 Trip spans 14 days
Major Airline
Major Airline
YUL
5:30a
SEA
3:14p
9h 44m
1 stop
SEA
3:50p
YUL
12:46a
8h 56m
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

Montreal
$334
Destination

Seattle
$334