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: Mon Apr 2 2018 Return: Mon Apr 9 2018 Trip spans 8 days
Singapore Airlines
Singapore Airlines
SEA
12:00a
USM
1:55p
37h 55m
3 stops
USM
12:00a
SEA
9:09p
45h 09m
3 stops
Depart: Thu Nov 23 2017 Return: Fri Dec 1 2017 Trip spans 9 days
$1252
Select
Multiple Airlines
Multiple Airlines
SEA
12:00a
USM
12:15a
24h 15m
2 stops
USM
12:00a
SEA
11:15p
23h 15m
2 stops
Depart: Tue Jan 2 2018 Return: Thu Feb 1 2018 Trip spans 31 days
$1148
Select
Singapore Airlines
Singapore Airlines
SEA
12:00a
USM
6:20a
54h 20m
3 stops
USM
12:00a
SEA
10:28p
46h 28m
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
$796
Destination

Ko Samui
$796