Find Deals on Flights from Washington to Bangkok

Depart
Return
1 adult
Adults
18+
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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Flexible dates? Here are the best fares found in the past 48 hours...

Book cheap flights from Washington to Bangkok

(Round-trip)
Depart: Sat 14 Jan 2017 Return: Wed 8 Feb 2017 Trip spans 26 days
฿20,710
Select
Major Airline
Major Airline
IAD
05:35
BKK
01:45
20h 10m
1 stop
BKK
06:55
IAD
15:35
32h 40m
1 stop
Depart: Sat 4 Mar 2017 Return: Sat 18 Mar 2017 Trip spans 14 days
฿21,172
Select
Air China
Air China
IAD
10:35
BKK
11:30
24h 55m
1 stop
BKK
01:50
IAD
21:35
19h 45m
1 stop
Depart: Thu 26 Jan 2017 Return: Sun 12 Feb 2017 Trip spans 18 days
฿22,667
Select
ANA
ANA
IAD
07:25
BKK
06:35
23h 10m
1 stop
BKK
02:10
IAD
22:20
20h 10m
1 stop
Depart: Sun 15 Jan 2017 Return: Mon 23 Jan 2017 Trip spans 9 days
฿27,826
Select
Turkish Airlines
Turkish Airlines
IAD
17:55
BKK
21:50
27h 55m
1 stop
BKK
06:30
IAD
02:05
43h 35m
1 stop
Depart: Thu 4 May 2017 Return: Sat 13 May 2017 Trip spans 10 days
฿28,360
Select
Korean Air
Korean Air
IAD
09:35
BKK
21:40
36h 05m
1 stop
BKK
18:40
IAD
18:15
23h 35m
1 stop
Depart: Tue 16 May 2017 Return: Mon 22 May 2017 Trip spans 7 days
฿29,036
Select
Etihad Airways
Etihad Airways
IAD
18:05
BKK
16:10
22h 05m
1 stop
BKK
22:10
IAD
00:00
25h 50m
1 stop
Depart: Sat 29 Apr 2017 Return: Mon 8 May 2017 Trip spans 10 days
฿29,854
Select
Qatar Airways
Qatar Airways
IAD
17:20
BKK
21:40
28h 20m
1 stop
BKK
17:15
IAD
22:20
29h 05m
1 stop
Depart: Wed 24 May 2017 Return: Tue 6 Jun 2017 Trip spans 14 days
฿31,776
Select
Emirates
Emirates
IAD
06:55
BKK
06:00
23h 05m
1 stop
BKK
11:50
IAD
15:40
27h 50m
1 stop
Depart: Sat 17 Jun 2017 Return: Sun 2 Jul 2017 Trip spans 16 days
฿35,085
Select
Aeroflot
Aeroflot
IAD
10:45
BKK
17:30
30h 45m
1 stop
BKK
06:00
IAD
19:50
37h 50m
1 stop
Depart: Fri 9 Dec 2016 Return: Sun 11 Dec 2016 Trip spans 3 days
฿37,291
Select
Austrian Airlines
Austrian Airlines
IAD
13:00
BKK
22:20
33h 20m
1 stop
BKK
18:55
IAD
21:55
27h 00m
1 stop
Depart: Mon 1 May 2017 Return: Thu 29 Jun 2017 Trip spans 60 days
฿40,209
Select
Cathay Pacific
Cathay Pacific
DCA
07:50
BKK
08:15
24h 25m
2 stops
BKK
07:05
DCA
19:23
36h 18m
2 stops
Depart: Mon 13 Feb 2017 Return: Mon 13 Mar 2017 Trip spans 28 days
฿20,710
Select
Major Airline
Major Airline
IAD
11:35
BKK
08:35
21h 00m
1 stop
BKK
10:05
IAD
20:30
34h 25m
1 stop
Depart: Mon 12 Dec 2016 Return: Mon 16 Jan 2017 Trip spans 36 days
฿43,518
Select
Thai Airways
Thai Airways
IAD
05:55
BKK
05:30
23h 35m
1 stop
BKK
18:55
IAD
16:15
21h 20m
1 stop
Depart: Tue 28 Feb 2017 Return: Thu 30 Mar 2017 Trip spans 30 days
฿20,710
Select
Major Airline
Major Airline
IAD
11:35
BKK
10:55
23h 20m
1 stop
BKK
00:40
IAD
20:00
43h 20m
1 stop
Depart: Sun 29 Jan 2017 Return: Sun 12 Feb 2017 Trip spans 15 days
฿23,022
Select
ANA
ANA
IAD
07:25
BKK
06:35
23h 10m
1 stop
BKK
02:10
IAD
06:49
28h 39m
2 stops
Depart: Sat 25 Feb 2017 Return: Fri 10 Mar 2017 Trip spans 14 days
฿23,449
Select
Air China
Air China
IAD
10:35
BKK
06:45
20h 10m
1 stop
BKK
20:05
IAD
20:35
24h 30m
1 stop
Depart: Sun 5 Mar 2017 Return: Fri 10 Mar 2017 Trip spans 6 days
฿20,710
Select
Major Airline
Major Airline
IAD
10:45
BKK
15:20
28h 35m
1 stop
BKK
15:35
IAD
16:50
25h 15m
1 stop
Depart: Mon 30 Jan 2017 Return: Sun 12 Feb 2017 Trip spans 14 days
฿23,022
Select
ANA
ANA
IAD
05:55
BKK
06:35
24h 40m
1 stop
BKK
02:10
IAD
06:49
28h 39m
2 stops
Depart: Tue 7 Mar 2017 Return: Sat 11 Mar 2017 Trip spans 5 days
฿20,710
Select
Major Airline
Major Airline
IAD
10:45
BKK
15:20
28h 35m
1 stop
BKK
10:40
IAD
18:50
31h 10m
1 stop
Depart: Mon 16 Jan 2017 Return: Tue 14 Feb 2017 Trip spans 30 days
฿27,826
Select
Turkish Airlines
Turkish Airlines
IAD
17:55
BKK
21:50
27h 55m
1 stop
BKK
06:30
IAD
02:05
43h 35m
1 stop
* We attempt to get accurate prices and fees; however, prices and fees are not guaranteed, and may be subject to last minute changes over which we have no control.
Airports
Origin

Washington
only ฿ 20,710
only ฿ 40,209
Destination

Bangkok
฿ 20,710