Find Deals on 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 May 1 2017 Return: Sat May 6 2017 Trip spans 6 days
$1103
Select
Major Airline
Major Airline
SEA
9:43a
USM
10:55a
49h 12m
3 stops
USM
1:55a
SEA
10:09p
44h 14m
2 stops
Depart: Wed Aug 9 2017 Return: Thu Aug 17 2017 Trip spans 9 days
$1132
Select
Singapore Airlines
Singapore Airlines
SEA
3:35p
USM
5:05p
49h 30m
2 stops
USM
7:50a
SEA
4:00a
44h 10m
3 stops
Depart: Mon Apr 17 2017 Return: Fri Apr 28 2017 Trip spans 12 days
$1107
Select
Major Airline
Major Airline
SEA
6:20a
USM
6:35p
36h 15m
2 stops
USM
1:10a
SEA
7:40p
42h 30m
2 stops
Depart: Tue Aug 8 2017 Return: Thu Aug 17 2017 Trip spans 10 days
$1203
Select
Singapore Airlines
Singapore Airlines
SEA
2:28a
USM
5:05p
38h 37m
2 stops
USM
5:55a
SEA
4:00a
46h 05m
3 stops
Depart: Tue Apr 25 2017 Return: Sat May 6 2017 Trip spans 12 days
$1121
Select
Major Airline
Major Airline
SEA
9:35a
USM
4:05p
30h 30m
1 stop
USM
6:15a
SEA
12:55p
30h 40m
1 stop
Depart: Thu Aug 10 2017 Return: Thu Aug 17 2017 Trip spans 8 days
$1293
Select
Singapore Airlines
Singapore Airlines
SEA
3:05a
USM
2:55p
35h 50m
3 stops
USM
5:55a
SEA
4:00a
46h 05m
3 stops
Depart: Thu Jun 29 2017 Return: Fri Jul 7 2017 Trip spans 9 days
$1387
Select
Major Airline
Major Airline
SEA
9:35a
USM
2:50p
29h 15m
1 stop
USM
6:45a
SEA
12:55p
30h 10m
1 stop
Depart: Fri Aug 11 2017 Return: Tue Aug 15 2017 Trip spans 5 days
$2166
Select
Singapore Airlines
Singapore Airlines
SEA
7:00a
USM
5:05p
34h 05m
3 stops
USM
7:50a
SEA
2:15a
42h 25m
2 stops
Depart: Sat Aug 12 2017 Return: Tue Aug 15 2017 Trip spans 4 days
$2166
Select
Singapore Airlines
Singapore Airlines
SEA
8:35a
USM
2:55p
30h 20m
3 stops
USM
7:50a
SEA
2:15a
42h 25m
2 stops
Depart: Mon Aug 7 2017 Return: Tue Aug 15 2017 Trip spans 9 days
$2213
Select
Singapore Airlines
Singapore Airlines
SEA
7:00a
USM
5:05p
34h 05m
3 stops
USM
7:50a
SEA
2:15a
42h 25m
2 stops
Depart: Sun Aug 6 2017 Return: Tue Aug 15 2017 Trip spans 10 days
$2973
Select
Singapore Airlines
Singapore Airlines
SEA
6:00a
USM
2:55p
32h 55m
3 stops
USM
7:50a
SEA
2:15a
42h 25m
2 stops
* 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.

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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.

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Airports
Origin

Seattle
$1103
Destination

Ko Samui
$1103