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: Thu Oct 12 2017 Return: Mon Oct 16 2017 Trip spans 5 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 Jun 14 2017 Return: Sat Jun 17 2017 Trip spans 4 days
WestJet
WestJet
SEA
10:00a
YUL
12:15a
14h 15m
1 stop
YUL
4:00a
SEA
1:35p
9h 35m
1 stop
Depart: Sat May 6 2017 Return: Wed May 10 2017 Trip spans 5 days
United
United
SEA
3:50a
YUL
11:48a
7h 58m
1 stop
YUL
2:35a
SEA
10:35a
8h 00m
1 stop
Depart: Mon Jun 5 2017 Return: Tue Jun 13 2017 Trip spans 9 days
Air Canada
Air Canada
SEA
10:20a
YUL
5:12p
6h 52m
1 stop
YUL
1:30a
SEA
9:22a
7h 52m
1 stop
Depart: Wed May 10 2017 Return: Mon May 15 2017 Trip spans 6 days
Major Airline
Major Airline
SEA
2:00a
YUL
3:33a
1h 33m
nonstop
YUL
2:00a
SEA
9:33a
7h 33m
nonstop
Depart: Wed Aug 16 2017 Return: Mon Aug 21 2017 Trip spans 6 days
WestJet
WestJet
SEA
4:45p
YUL
12:05a
7h 20m
1 stop
YUL
3:25p
SEA
3:35p
24h 10m
1 stop
Depart: Tue Jun 13 2017 Return: Fri Jun 16 2017 Trip spans 4 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 Aug 21 2017 Return: Tue Aug 29 2017 Trip spans 9 days
WestJet
WestJet
SEA
3:45a
YUL
12:15a
20h 30m
1 stop
YUL
8:00a
SEA
6:25p
10h 25m
1 stop
Depart: Wed Jul 5 2017 Return: Wed Jul 12 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: Tue May 16 2017 Return: Wed May 17 2017 Trip spans 2 days
United
United
SEA
8:30a
YUL
4:53p
8h 23m
1 stop
YUL
4:10a
SEA
3:21p
11h 11m
1 stop
Depart: Sun Jun 4 2017 Return: Tue Jun 13 2017 Trip spans 10 days
Air Canada
Air Canada
SEA
2:30a
YUL
10:12a
7h 42m
1 stop
YUL
1:30a
SEA
9:22a
7h 52m
1 stop
Depart: Sat Sep 23 2017 Return: Sat Oct 7 2017 Trip spans 15 days
WestJet
WestJet
SEA
4:45p
YUL
12:02a
7h 17m
1 stop
YUL
3:25p
SEA
4:50p
25h 25m
1 stop
Depart: Thu Jun 1 2017 Return: Tue Jun 20 2017 Trip spans 20 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: Sun May 14 2017 Return: Wed May 17 2017 Trip spans 4 days
United
United
SEA
7:15p
YUL
2:10a
6h 55m
1 stop
YUL
4:10a
SEA
3:21p
11h 11m
1 stop
Depart: Sun Jun 11 2017 Return: Sun Jun 18 2017 Trip spans 8 days
Air Canada
Air Canada
SEA
5:25p
YUL
12:12a
6h 47m
1 stop
YUL
1:30a
SEA
9:19a
7h 49m
1 stop
Depart: Thu Sep 28 2017 Return: Sun Oct 1 2017 Trip spans 4 days
WestJet
WestJet
SEA
4:45p
YUL
12:02a
7h 17m
1 stop
YUL
3:50a
SEA
1:00p
9h 10m
1 stop
Depart: Mon May 15 2017 Return: Sun May 21 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 May 1 2017 Return: Wed May 3 2017 Trip spans 3 days
United
United
SEA
6:40p
YUL
3:10a
8h 30m
1 stop
YUL
12:43p
SEA
9:15p
8h 32m
1 stop
Depart: Thu Aug 17 2017 Return: Tue Aug 22 2017 Trip spans 6 days
WestJet
WestJet
SEA
4:45p
YUL
10:12a
17h 27m
1 stop
YUL
3:50a
SEA
1:00p
9h 10m
1 stop
Depart: Sat Oct 28 2017 Return: Tue Oct 31 2017 Trip spans 4 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
* 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

Seattle
$344
Destination

Montreal
$344