Find Deals on Flights from Hamilton 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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Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Hamilton to Seattle

(Round-trip)
Depart: Thu May 4 2017 Return: Sun May 14 2017 Trip spans 11 days
WestJet
WestJet
YHM
2:25a
SEA
11:26a
9h 01m
1 stop
SEA
9:30a
YHM
6:01p
8h 31m
1 stop
Depart: Tue May 16 2017 Return: Sun May 28 2017 Trip spans 13 days
WestJet
WestJet
YHM
2:25a
SEA
11:26a
9h 01m
1 stop
SEA
3:00p
YHM
11:09p
8h 09m
1 stop
Depart: Tue May 23 2017 Return: Sun May 28 2017 Trip spans 6 days
WestJet
WestJet
YHM
2:25a
SEA
11:26a
9h 01m
1 stop
SEA
3:00p
YHM
11:09p
8h 09m
1 stop
Depart: Fri May 26 2017 Return: Sun May 28 2017 Trip spans 3 days
WestJet
WestJet
YHM
2:25a
SEA
11:26a
9h 01m
1 stop
SEA
3:00p
YHM
11:09p
8h 09m
1 stop
Depart: Fri May 12 2017 Return: Mon May 29 2017 Trip spans 18 days
WestJet
WestJet
YHM
2:25a
SEA
11:26a
9h 01m
1 stop
SEA
3:00p
YHM
11:09p
8h 09m
1 stop
Depart: Sat Jul 29 2017 Return: Fri Sep 1 2017 Trip spans 35 days
WestJet
WestJet
YHM
4:00a
SEA
1:00p
9h 00m
1 stop
SEA
4:45p
YHM
11:51p
7h 06m
1 stop
Depart: Sat Jun 17 2017 Return: Sat Jul 22 2017 Trip spans 36 days
WestJet
WestJet
YHM
4:00a
SEA
1:00p
9h 00m
1 stop
SEA
3:45a
YHM
10:32p
18h 47m
1 stop
Depart: Mon Jul 31 2017 Return: Fri Sep 1 2017 Trip spans 33 days
WestJet
WestJet
YHM
2:25a
SEA
6:00a
27h 35m
1 stop
SEA
4:45p
YHM
11:51p
7h 06m
1 stop
Depart: Tue Aug 1 2017 Return: Fri Sep 1 2017 Trip spans 32 days
WestJet
WestJet
YHM
2:25a
SEA
6:00a
27h 35m
1 stop
SEA
4:45p
YHM
11:51p
7h 06m
1 stop
Depart: Thu Aug 3 2017 Return: Fri Sep 1 2017 Trip spans 30 days
WestJet
WestJet
YHM
2:25a
SEA
6:00a
27h 35m
1 stop
SEA
4:45p
YHM
11:51p
7h 06m
1 stop
Depart: Sat Aug 12 2017 Return: Mon Aug 21 2017 Trip spans 10 days
WestJet
WestJet
YHM
12:15p
SEA
7:45a
19h 30m
1 stop
SEA
3:45a
YHM
10:32p
18h 47m
1 stop
Depart: Wed Apr 19 2017 Return: Sun Apr 30 2017 Trip spans 12 days
WestJet
WestJet
YHM
2:30a
SEA
1:30p
11h 00m
1 stop
SEA
9:30a
YHM
6:01p
8h 31m
1 stop
Depart: Sun Apr 23 2017 Return: Sun Apr 30 2017 Trip spans 8 days
WestJet
WestJet
YHM
2:30a
SEA
4:52p
14h 22m
1 stop
SEA
9:30a
YHM
6:01p
8h 31m
1 stop
Depart: Tue Apr 25 2017 Return: Sun Apr 30 2017 Trip spans 6 days
WestJet
WestJet
YHM
2:30a
SEA
1:30p
11h 00m
1 stop
SEA
9:30a
YHM
6:01p
8h 31m
1 stop
Depart: Wed May 10 2017 Return: Sun May 14 2017 Trip spans 5 days
WestJet
WestJet
YHM
3:00a
SEA
1:20p
10h 20m
1 stop
SEA
9:30a
YHM
6:01p
8h 31m
1 stop
Depart: Wed May 24 2017 Return: Mon May 29 2017 Trip spans 6 days
WestJet
WestJet
YHM
3:00a
SEA
1:20p
10h 20m
1 stop
SEA
3:00p
YHM
11:09p
8h 09m
1 stop
Depart: Sat Jun 3 2017 Return: Fri Jun 9 2017 Trip spans 7 days
WestJet
WestJet
YHM
2:30a
SEA
1:07p
10h 37m
1 stop
SEA
3:00p
YHM
11:54p
8h 54m
1 stop
Depart: Wed Aug 2 2017 Return: Fri Sep 1 2017 Trip spans 31 days
WestJet
WestJet
YHM
3:00a
SEA
7:45a
28h 45m
1 stop
SEA
4:45p
YHM
11:51p
7h 06m
1 stop
Depart: Wed Jul 12 2017 Return: Sun Jul 16 2017 Trip spans 5 days
WestJet
WestJet
YHM
2:25a
SEA
6:00a
27h 35m
1 stop
SEA
10:00a
YHM
10:32p
12h 32m
1 stop
Depart: Fri Jun 2 2017 Return: Tue Jun 6 2017 Trip spans 5 days
WestJet
WestJet
YHM
3:00a
SEA
1:20p
10h 20m
1 stop
SEA
3:00p
YHM
11:09p
8h 09m
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

Hamilton
$399
Destination

Seattle
$399
Airlines