Find Deals on 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
Students
under 26
The price shown for each flight will be the average for all passengers including any infants.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Seattle to Montreal

(Round-trip)
Depart: Wed Jan 11 2017 Return: Wed Jan 18 2017 Trip spans 8 days
Major Airline
Major Airline
SEA
1:00a
YUL
2:33a
1h 33m
nonstop
YUL
1:00a
SEA
8:33a
7h 33m
nonstop
Depart: Wed Feb 8 2017 Return: Thu Feb 9 2017 Trip spans 2 days
American Airlines
American Airlines
SEA
4:40p
YUL
2:40a
10h 00m
1 stop
YUL
9:25a
SEA
7:26p
10h 01m
1 stop
Depart: Wed Jun 21 2017 Return: Tue Jun 27 2017 Trip spans 7 days
WestJet
WestJet
SEA
4:45p
YUL
12:04a
7h 19m
1 stop
YUL
2:45a
SEA
6:25p
15h 40m
1 stop
Depart: Tue Jan 10 2017 Return: Sun Jan 15 2017 Trip spans 6 days
Delta
Delta
SEA
6:00p
YUL
1:53a
7h 53m
1 stop
YUL
11:52a
SEA
9:25p
9h 33m
1 stop
Depart: Sun Feb 5 2017 Return: Thu Feb 9 2017 Trip spans 5 days
United
United
SEA
2:50a
YUL
10:57a
8h 07m
1 stop
YUL
6:15a
SEA
5:29p
11h 14m
1 stop
Depart: Sun Jan 1 2017 Return: Thu Jan 5 2017 Trip spans 5 days
Air Canada
Air Canada
SEA
6:55a
YUL
1:50p
6h 55m
1 stop
YUL
9:10a
SEA
6:35p
9h 25m
1 stop
Depart: Mon Jan 23 2017 Return: Thu Jan 26 2017 Trip spans 4 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: Sat Jan 14 2017 Return: Sun Jan 15 2017 Trip spans 2 days
American Airlines
American Airlines
SEA
6:20a
YUL
3:54a
21h 34m
1 stop
YUL
9:25a
SEA
6:45p
9h 20m
1 stop
Depart: Wed Jan 25 2017 Return: Mon Jan 30 2017 Trip spans 6 days
Delta
Delta
SEA
1:00a
YUL
7:54a
6h 54m
1 stop
YUL
11:30a
SEA
9:31p
10h 01m
1 stop
Depart: Tue Apr 4 2017 Return: Tue Apr 11 2017 Trip spans 8 days
United
United
SEA
6:31p
YUL
3:27a
8h 56m
1 stop
YUL
7:35a
SEA
5:40p
10h 05m
1 stop
Depart: Sun Jun 18 2017 Return: Sun Jun 25 2017 Trip spans 8 days
WestJet
WestJet
SEA
4:45p
YUL
12:04a
7h 19m
1 stop
YUL
3:50a
SEA
1:00p
9h 10m
1 stop
Depart: Wed Feb 1 2017 Return: Sun Feb 5 2017 Trip spans 5 days
Major Airline
Major Airline
SEA
12:00a
YUL
1:33a
1h 33m
1 stop
YUL
12:00a
SEA
7:33a
7h 33m
1 stop
Depart: Sat Feb 4 2017 Return: Sun Feb 5 2017 Trip spans 2 days
American Airlines
American Airlines
SEA
4:40p
YUL
2:40a
10h 00m
1 stop
YUL
9:25a
SEA
6:45p
9h 20m
1 stop
Depart: Mon Apr 24 2017 Return: Tue May 2 2017 Trip spans 9 days
United
United
SEA
6:31p
YUL
3:27a
8h 56m
1 stop
YUL
5:40a
SEA
2:09p
8h 29m
1 stop
Depart: Mon Jun 19 2017 Return: Sun Jun 25 2017 Trip spans 7 days
WestJet
WestJet
SEA
4:45p
YUL
12:04a
7h 19m
1 stop
YUL
3:50a
SEA
1:00p
9h 10m
1 stop
Depart: Mon Feb 6 2017 Return: Fri Feb 10 2017 Trip spans 5 days
Major Airline
Major Airline
SEA
12:00a
YUL
1:33a
1h 33m
nonstop
YUL
12:00a
SEA
7:33a
7h 33m
nonstop
Depart: Thu Feb 2 2017 Return: Fri Feb 3 2017 Trip spans 2 days
American Airlines
American Airlines
SEA
3:00a
YUL
1:56p
10h 56m
1 stop
YUL
2:00a
SEA
2:16p
12h 16m
1 stop
Depart: Tue Apr 25 2017 Return: Wed May 3 2017 Trip spans 9 days
United
United
SEA
6:31p
YUL
3:27a
8h 56m
1 stop
YUL
5:40a
SEA
2:09p
8h 29m
1 stop
Depart: Tue Jun 20 2017 Return: Sun Jun 25 2017 Trip spans 6 days
WestJet
WestJet
SEA
4:45p
YUL
12:04a
7h 19m
1 stop
YUL
3:50a
SEA
1:00p
9h 10m
1 stop
Depart: Sat Dec 31 2016 Return: Mon Jan 9 2017 Trip spans 10 days
Delta
Delta
SEA
3:15a
YUL
11:15a
8h 00m
1 stop
YUL
11:30a
SEA
9:31p
10h 01m
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
$355
Destination

Montreal
$355