Find Cheap Flights from Seattle/Tacoma Intl to Ko Samui (SEA - USM)

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/Tacoma Intl to Ko Samui

(Round-trip)
Depart: Wed Feb 21 2018 Return: Wed Feb 28 2018 Trip spans 8 days
Singapore Airlines
Singapore Airlines
SEA
12:00a
USM
11:30a
35h 30m
3 stops
USM
12:00a
SEA
10:21p
46h 21m
3 stops
Depart: Wed Jan 31 2018 Return: Mon Feb 5 2018 Trip spans 6 days
Singapore Airlines
Singapore Airlines
SEA
12:00a
USM
1:05p
37h 05m
3 stops
USM
12:00a
SEA
10:21p
46h 21m
3 stops
Depart: Sun Nov 19 2017 Return: Tue Nov 28 2017 Trip spans 10 days
Singapore Airlines
Singapore Airlines
SEA
12:00a
USM
11:45a
59h 45m
3 stops
USM
12:00a
SEA
6:00p
42h 00m
3 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Seattle
$814
Destination

Ko Samui
$814