Find Deals on Flights from Hamilton to Seattle/Tacoma Intl (YHM - SEA)

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

Book cheap flights from Hamilton to Seattle/Tacoma Intl

(Round-trip)
Depart: Sun May 28 2017 Return: Thu Jun 8 2017 Trip spans 12 days
WestJet
WestJet
YHM
2:25a
SEA
11:30a
9h 05m
1 stop
SEA
9:30a
YHM
5:42p
8h 12m
1 stop
Depart: Thu Jun 8 2017 Return: Mon Jun 12 2017 Trip spans 5 days
Major Airline
Major Airline
YHM
2:00a
SEA
9:06a
7h 06m
2 stops
SEA
2:00a
YHM
3:06a
1h 06m
2 stops
Depart: Fri Apr 21 2017 Return: Wed Apr 26 2017 Trip spans 6 days
WestJet
WestJet
YHM
3:00a
SEA
1:20p
10h 20m
1 stop
SEA
9:30a
YHM
6:00p
8h 30m
1 stop
Depart: Wed Mar 1 2017 Return: Sat Mar 11 2017 Trip spans 11 days
WestJet
WestJet
YHM
1:30a
SEA
12:12p
10h 42m
1 stop
SEA
5:00a
YHM
4:57p
11h 57m
1 stop
Depart: Fri Apr 28 2017 Return: Sat May 13 2017 Trip spans 16 days
WestJet
WestJet
YHM
3:00a
SEA
1:20p
10h 20m
1 stop
SEA
5:35a
YHM
5:42p
12h 07m
1 stop
Depart: Sun Jun 18 2017 Return: Sat Jun 24 2017 Trip spans 7 days
WestJet
WestJet
YHM
12:15p
SEA
1:00p
24h 45m
1 stop
SEA
3:40a
YHM
10:32p
18h 52m
1 stop
Depart: Wed Feb 22 2017 Return: Wed Mar 8 2017 Trip spans 15 days
WestJet
WestJet
YHM
1:30a
SEA
12:12p
10h 42m
1 stop
SEA
4:45a
YHM
4:57p
12h 12m
1 stop
Depart: Fri Feb 24 2017 Return: Wed Mar 8 2017 Trip spans 13 days
WestJet
WestJet
YHM
1:30a
SEA
12:12p
10h 42m
1 stop
SEA
4:45a
YHM
4:57p
12h 12m
1 stop
Depart: Fri Mar 3 2017 Return: Sat Mar 11 2017 Trip spans 9 days
WestJet
WestJet
YHM
1:30a
SEA
12:12p
10h 42m
1 stop
SEA
5:00a
YHM
4:57p
11h 57m
1 stop
Depart: Tue Feb 21 2017 Return: Thu Mar 2 2017 Trip spans 10 days
WestJet
WestJet
YHM
1:30a
SEA
12:12p
10h 42m
1 stop
SEA
4:45a
YHM
4:57p
12h 12m
1 stop
Depart: Sun Feb 19 2017 Return: Thu Mar 2 2017 Trip spans 12 days
WestJet
WestJet
YHM
1:30a
SEA
1:44p
12h 14m
1 stop
SEA
4:45a
YHM
4:57p
12h 12m
1 stop
Depart: Thu Feb 23 2017 Return: Wed Mar 8 2017 Trip spans 14 days
WestJet
WestJet
YHM
1:30a
SEA
12:12p
10h 42m
1 stop
SEA
4:45a
YHM
4:57p
12h 12m
1 stop
Depart: Sat Feb 25 2017 Return: Thu Mar 16 2017 Trip spans 19 days
WestJet
WestJet
YHM
1:30a
SEA
12:09p
10h 39m
1 stop
SEA
6:00a
YHM
5:57p
11h 57m
1 stop
Depart: Tue Feb 28 2017 Return: Fri Mar 31 2017 Trip spans 31 days
WestJet
WestJet
YHM
1:30a
SEA
12:12p
10h 42m
1 stop
SEA
6:00a
YHM
5:57p
11h 57m
1 stop
Depart: Fri Mar 10 2017 Return: Sat Mar 18 2017 Trip spans 8 days
WestJet
WestJet
YHM
2:00a
SEA
12:23p
10h 23m
1 stop
SEA
6:00a
YHM
5:57p
11h 57m
1 stop
Depart: Mon Feb 20 2017 Return: Thu Mar 2 2017 Trip spans 11 days
WestJet
WestJet
YHM
1:30a
SEA
12:12p
10h 42m
1 stop
SEA
4:45a
YHM
4:57p
12h 12m
1 stop
Depart: Thu Jan 26 2017 Return: Thu Feb 2 2017 Trip spans 8 days
WestJet
WestJet
YHM
1:30a
SEA
12:13p
10h 43m
1 stop
SEA
6:30a
YHM
4:57p
10h 27m
1 stop
Depart: Fri Feb 17 2017 Return: Sat Feb 25 2017 Trip spans 9 days
WestJet
WestJet
YHM
1:30a
SEA
6:27a
28h 57m
1 stop
SEA
2:05p
YHM
4:57p
26h 52m
1 stop
Depart: Wed Feb 15 2017 Return: Thu Mar 2 2017 Trip spans 16 days
WestJet
WestJet
YHM
1:30a
SEA
2:00p
12h 30m
1 stop
SEA
4:45a
YHM
4:57p
12h 12m
1 stop
Depart: Sat Feb 18 2017 Return: Thu Mar 2 2017 Trip spans 13 days
WestJet
WestJet
YHM
1:30a
SEA
1:41p
12h 11m
1 stop
SEA
4:45a
YHM
4:57p
12h 12m
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
$397
Destination

Seattle
$397
Airlines