Find Cheap Flights from Washington Dulles Intl to Ko Samui (IAD - 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 Dulles Intl to Ko Samui

(Round-trip)
Depart: Thu Nov 2 2017 Return: Mon Nov 13 2017 Trip spans 12 days
$1128
Select
Singapore Airlines
Singapore Airlines
IAD
12:00a
USM
10:31a
34h 31m
3 stops
USM
12:00a
IAD
6:01p
42h 01m
3 stops
Depart: Sun Oct 1 2017 Return: Tue Oct 31 2017 Trip spans 31 days
$1162
Select
Multiple Airlines
Multiple Airlines
IAD
12:00a
USM
3:03a
51h 03m
2 stops
USM
12:00a
IAD
1:56p
61h 56m
3 stops
Depart: Thu Sep 28 2017 Return: Thu Oct 5 2017 Trip spans 8 days
$1187
Select
Emirates
Emirates
IAD
12:00a
USM
12:00a
24h 00m
2 stops
USM
12:00a
IAD
12:55a
24h 55m
2 stops
Depart: Wed Sep 27 2017 Return: Thu Oct 5 2017 Trip spans 9 days
$1241
Select
Etihad Airways
Etihad Airways
IAD
12:00a
USM
3:40a
27h 40m
2 stops
USM
12:00a
IAD
7:45a
31h 45m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Washington
$1128
Destination

Ko Samui
$1128