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
Students
under 26
The price shown for each flight will be the average for all passengers including any infants.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

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

Book cheap flights from Seattle/Tacoma Intl to Ko Samui

(Round-trip)
Depart: Tue Apr 4 2017 Return: Thu Apr 13 2017 Trip spans 10 days
$1118
Select
Major Airline
Major Airline
SEA
11:10a
USM
2:50p
27h 40m
1 stop
USM
9:50a
SEA
5:00p
31h 10m
1 stop
Depart: Sun Apr 2 2017 Return: Mon Apr 10 2017 Trip spans 9 days
$1293
Select
Emirates
Emirates
SEA
1:35p
USM
1:05a
35h 30m
2 stops
USM
5:15a
SEA
10:55p
41h 40m
2 stops
Depart: Wed Apr 5 2017 Return: Sun Apr 9 2017 Trip spans 5 days
$1501
Select
Cathay Pacific
Cathay Pacific
SEA
5:55a
USM
12:35a
42h 40m
2 stops
USM
1:25p
SEA
2:10a
36h 45m
2 stops
Depart: Mon Apr 3 2017 Return: Mon Apr 10 2017 Trip spans 8 days
$1293
Select
Emirates
Emirates
SEA
1:35p
USM
1:45a
36h 10m
2 stops
USM
5:15a
SEA
4:55p
35h 40m
2 stops
Depart: Tue Dec 20 2016 Return: Fri Jan 6 2017 Trip spans 18 days
$2858
Select
Thai Airways
Thai Airways
SEA
7:50p
USM
8:35p
24h 45m
2 stops
USM
12:20p
SEA
8:20p
32h 00m
2 stops
Depart: Sat Apr 1 2017 Return: Mon Apr 10 2017 Trip spans 10 days
$1343
Select
Emirates
Emirates
SEA
1:35p
USM
4:00a
38h 25m
2 stops
USM
2:00a
SEA
4:55p
38h 55m
2 stops
Depart: Thu Apr 6 2017 Return: Sun Apr 9 2017 Trip spans 4 days
$1501
Select
Cathay Pacific
Cathay Pacific
SEA
5:55a
USM
12:35a
42h 40m
2 stops
USM
1:25p
SEA
2:10a
36h 45m
2 stops
Depart: Fri Apr 7 2017 Return: Mon Apr 10 2017 Trip spans 4 days
$1551
Select
Cathay Pacific
Cathay Pacific
SEA
5:55a
USM
12:35a
42h 40m
2 stops
USM
6:55a
SEA
6:34a
47h 39m
2 stops
Depart: Fri Dec 23 2016 Return: Tue Jan 10 2017 Trip spans 19 days
$1632
Select
Emirates
Emirates
SEA
4:00a
USM
2:45p
34h 45m
2 stops
USM
2:05p
SEA
10:05p
56h 00m
2 stops
Depart: Thu Dec 22 2016 Return: Tue Jan 10 2017 Trip spans 20 days
$1893
Select
Emirates
Emirates
SEA
4:00a
USM
9:10p
41h 10m
2 stops
USM
1:05p
SEA
10:05p
57h 00m
2 stops
Depart: Wed Dec 21 2016 Return: Tue Jan 10 2017 Trip spans 21 days
$2068
Select
Emirates
Emirates
SEA
4:00a
USM
3:45p
35h 45m
2 stops
USM
1:05p
SEA
10:05p
57h 00m
2 stops
Depart: Sat Dec 24 2016 Return: Fri Jan 6 2017 Trip spans 14 days
$3305
Select
Thai Airways
Thai Airways
SEA
7:50p
USM
8:35p
24h 45m
2 stops
USM
4:10a
SEA
4:10a
24h 00m
2 stops
Depart: Tue Dec 27 2016 Return: Tue Jan 10 2017 Trip spans 15 days
$2098
Select
Emirates
Emirates
SEA
12:10p
USM
1:45a
37h 35m
2 stops
USM
2:05p
SEA
10:05p
56h 00m
2 stops
Depart: Sun Dec 25 2016 Return: Mon Jan 9 2017 Trip spans 16 days
$2168
Select
Emirates
Emirates
SEA
4:00a
USM
1:15p
33h 15m
2 stops
USM
4:20a
SEA
10:05p
65h 45m
2 stops
Depart: Mon Dec 26 2016 Return: Tue Jan 3 2017 Trip spans 9 days
$2615
Select
Emirates
Emirates
SEA
12:10p
USM
12:05a
35h 55m
2 stops
USM
3:00p
SEA
10:05p
55h 05m
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.

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

Seattle
$1118
Destination

Ko Samui
$1118