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: Sun Nov 5 2017 Return: Fri Nov 17 2017 Trip spans 13 days
Thai Airways
Thai Airways
SEA
8:00a
USM
12:30p
52h 30m
2 stops
USM
4:10a
SEA
8:20p
40h 10m
2 stops
Depart: Thu Jun 8 2017 Return: Thu Jun 29 2017 Trip spans 22 days
$1471
Select
EVA Air
EVA Air
SEA
7:30a
USM
2:35p
31h 05m
2 stops
USM
3:45p
SEA
5:00p
49h 15m
2 stops
Depart: Sun Jul 2 2017 Return: Thu Jul 13 2017 Trip spans 12 days
$1529
Select
Major Airline
Major Airline
SEA
3:30a
USM
11:55p
44h 25m
2 stops
USM
11:15p
SEA
1:00p
37h 45m
2 stops
Depart: Thu Jun 22 2017 Return: Sun Jun 25 2017 Trip spans 4 days
$1737
Select
EVA Air
EVA Air
SEA
9:50p
USM
8:40p
22h 50m
2 stops
USM
4:15p
SEA
4:40p
24h 25m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Seattle
$966
Destination

Ko Samui
$966