Find Cheap Flights from Washington to Ko Samui (WAS - 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 Washington to Ko Samui

(Round-trip)
Depart: Thu Sep 21 2017 Return: Wed Sep 27 2017 Trip spans 7 days
$1098
Select
Major Airline
Major Airline
IAD
2:55a
USM
2:55a
24h 00m
2 stops
USM
12:00a
IAD
11:40a
35h 40m
2 stops
Depart: Sat Aug 26 2017 Return: Sat Sep 2 2017 Trip spans 8 days
$1454
Select
Emirates
Emirates
IAD
6:55a
USM
4:05p
33h 10m
2 stops
USM
9:00a
IAD
3:40p
30h 40m
2 stops
Depart: Sun Aug 6 2017 Return: Wed Aug 16 2017 Trip spans 11 days
$1635
Select
Air France
Air France
IAD
5:05p
USM
3:10a
34h 05m
2 stops
USM
12:35p
IAD
1:45a
37h 10m
2 stops
Depart: Sat Jun 17 2017 Return: Fri Jul 7 2017 Trip spans 21 days
$1808
Select
Cathay Pacific
Cathay Pacific
DCA
1:45p
USM
8:25p
30h 40m
3 stops
USM
1:25p
DCA
7:13p
29h 48m
3 stops
Depart: Wed Jun 28 2017 Return: Tue Aug 1 2017 Trip spans 35 days
$2004
Select
Qatar Airways
Qatar Airways
IAD
5:30p
USM
7:05p
25h 35m
2 stops
USM
11:20a
IAD
10:10p
34h 50m
2 stops
Depart: Thu Jun 22 2017 Return: Thu Jul 13 2017 Trip spans 22 days
$2030
Select
KLM
KLM
IAD
1:40p
USM
6:00a
40h 20m
2 stops
USM
12:35p
IAD
10:35p
34h 00m
2 stops
Depart: Thu Jun 29 2017 Return: Tue Jul 25 2017 Trip spans 27 days
$2314
Select
Etihad Airways
Etihad Airways
IAD
6:10p
USM
6:20p
24h 10m
2 stops
USM
11:05a
IAD
12:00a
36h 55m
2 stops
Depart: Mon Aug 7 2017 Return: Wed Aug 16 2017 Trip spans 10 days
$1554
Select
Major Airline
Major Airline
IAD
1:30p
USM
4:00p
26h 30m
3 stops
USM
7:05a
IAD
6:10p
35h 05m
3 stops
Depart: Tue Jul 4 2017 Return: Tue Jul 25 2017 Trip spans 22 days
$1725
Select
Air France
Air France
IAD
5:05p
USM
3:10a
34h 05m
2 stops
USM
12:35p
IAD
10:50p
34h 15m
2 stops
Depart: Tue Jun 27 2017 Return: Wed Jul 26 2017 Trip spans 30 days
$1815
Select
Air France
Air France
IAD
5:05p
USM
3:10a
34h 05m
2 stops
USM
12:35p
IAD
10:50p
34h 15m
2 stops
Depart: Sat Jul 1 2017 Return: Fri Jul 28 2017 Trip spans 28 days
$2005
Select
Emirates
Emirates
IAD
6:55a
USM
6:55a
24h 00m
2 stops
USM
2:00a
IAD
3:40p
37h 40m
2 stops
Depart: Thu Sep 28 2017 Return: Thu Oct 5 2017 Trip spans 8 days
$2093
Select
Cathay Pacific
Cathay Pacific
DCA
1:50p
USM
8:25p
30h 35m
3 stops
USM
1:25p
DCA
7:31p
30h 06m
3 stops
Depart: Sun Jul 2 2017 Return: Tue Jul 25 2017 Trip spans 24 days
$1815
Select
Air France
Air France
IAD
5:05p
USM
3:10a
34h 05m
2 stops
USM
12:35p
IAD
1:45a
37h 10m
2 stops
Depart: Fri Jun 30 2017 Return: Tue Jul 25 2017 Trip spans 26 days
$2474
Select
Etihad Airways
Etihad Airways
IAD
6:10p
USM
6:20p
24h 10m
2 stops
USM
11:05a
IAD
12:00a
36h 55m
2 stops
Depart: Mon Jul 3 2017 Return: Tue Jul 25 2017 Trip spans 23 days
$1865
Select
Air France
Air France
IAD
5:05p
USM
3:10a
34h 05m
2 stops
USM
12:35p
IAD
10:50p
34h 15m
2 stops
Depart: Sat Jul 15 2017 Return: Sat Jul 22 2017 Trip spans 8 days
$3017
Select
Cathay Pacific
Cathay Pacific
DCA
3:30p
USM
3:35a
36h 05m
2 stops
USM
1:25p
DCA
7:13p
29h 48m
3 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Washington
only $1098
only $1808
Destination

Ko Samui
$1098