Find cheap flights to Washington Dulles Intl

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.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Flexible dates? Here are the best fares found in the past 48 hours...

Book cheap flights to Washington Dulles Intl

(Round-trip)
Depart: Sun 18 Dec 2016 Return: Tue 10 Jan 2017 Trip spans 24 days
฿30,017
Select
Air China
Air China
BKK
14:15
IAD
20:35
30h 20m
1 stop
IAD
10:35
BKK
11:30
24h 55m
1 stop
Depart: Wed 22 Mar 2017 Return: Fri 31 Mar 2017 Trip spans 10 days
฿30,160
Select
Etihad Airways
Etihad Airways
BKK
04:35
IAD
00:30
43h 55m
1 stop
IAD
02:45
BKK
16:10
37h 25m
2 stops
Depart: Wed 8 Feb 2017 Return: Sat 11 Feb 2017 Trip spans 4 days
฿30,871
Select
United
United
BKK
02:10
IAD
22:20
20h 10m
1 stop
IAD
17:00
BKK
06:35
37h 35m
2 stops
Depart: Sat 1 Apr 2017 Return: Tue 18 Apr 2017 Trip spans 18 days
฿32,863
Select
ANA
ANA
BKK
02:50
IAD
07:07
28h 17m
2 stops
IAD
08:20
BKK
08:00
23h 40m
1 stop
Depart: Wed 5 Apr 2017 Return: Tue 18 Apr 2017 Trip spans 14 days
฿37,628
Select
Ethiopian Air
Ethiopian Air
BKK
21:35
IAD
15:40
42h 05m
2 stops
IAD
07:00
BKK
22:15
39h 15m
1 stop
Depart: Thu 6 Apr 2017 Return: Mon 17 Apr 2017 Trip spans 12 days
฿37,806
Select
Emirates
Emirates
BKK
11:40
IAD
15:40
28h 00m
1 stop
IAD
06:55
BKK
06:00
23h 05m
1 stop
Depart: Thu 4 May 2017 Return: Thu 11 May 2017 Trip spans 8 days
฿40,758
Select
Korean Air
Korean Air
BKK
18:40
IAD
18:15
23h 35m
1 stop
IAD
09:35
BKK
08:25
22h 50m
1 stop
Depart: Mon 23 Jan 2017 Return: Mon 27 Feb 2017 Trip spans 36 days
฿30,444
Select
Etihad Airways
Etihad Airways
BKK
15:10
IAD
23:30
32h 20m
1 stop
IAD
01:45
BKK
15:55
38h 10m
2 stops
Depart: Thu 23 Mar 2017 Return: Thu 6 Apr 2017 Trip spans 15 days
฿33,183
Select
ANA
ANA
BKK
20:30
IAD
17:15
20h 45m
1 stop
IAD
04:30
BKK
06:35
26h 05m
2 stops
Depart: Tue 14 Mar 2017 Return: Mon 8 May 2017 Trip spans 56 days
฿30,586
Select
Etihad Airways
Etihad Airways
BKK
21:55
IAD
06:36
32h 41m
2 stops
IAD
18:05
BKK
23:40
29h 35m
2 stops
Depart: Tue 4 Apr 2017 Return: Sat 22 Apr 2017 Trip spans 19 days
฿33,183
Select
ANA
ANA
BKK
20:30
IAD
17:40
21h 10m
1 stop
IAD
04:30
BKK
08:00
27h 30m
2 stops
Depart: Sun 5 Feb 2017 Return: Mon 13 Feb 2017 Trip spans 9 days
฿30,693
Select
Etihad Airways
Etihad Airways
BKK
10:25
IAD
23:30
37h 05m
2 stops
IAD
04:37
BKK
13:35
32h 58m
2 stops
Depart: Fri 16 Dec 2016 Return: Thu 5 Jan 2017 Trip spans 21 days
฿39,193
Select
Emirates
Emirates
BKK
11:00
IAD
15:10
28h 10m
1 stop
IAD
05:25
BKK
03:50
22h 25m
1 stop
Depart: Mon 6 Feb 2017 Return: Wed 15 Feb 2017 Trip spans 10 days
฿30,693
Select
Etihad Airways
Etihad Airways
BKK
10:25
IAD
23:30
37h 05m
2 stops
IAD
04:37
BKK
13:35
32h 58m
2 stops
Depart: Mon 19 Dec 2016 Return: Tue 3 Jan 2017 Trip spans 16 days
฿41,256
Select
Ethiopian Air
Ethiopian Air
BKK
20:45
IAD
15:15
42h 30m
2 stops
IAD
05:30
BKK
20:05
38h 35m
1 stop
Depart: Fri 7 Apr 2017 Return: Sun 23 Apr 2017 Trip spans 17 days
฿34,179
Select
ANA
ANA
BKK
20:30
IAD
17:40
21h 10m
1 stop
IAD
04:30
BKK
06:35
26h 05m
2 stops
Depart: Fri 3 Feb 2017 Return: Sun 5 Feb 2017 Trip spans 3 days
฿42,288
Select
Korean Air
Korean Air
BKK
19:55
IAD
16:50
20h 55m
1 stop
IAD
06:50
BKK
05:55
23h 05m
1 stop
Depart: Fri 23 Dec 2016 Return: Wed 4 Jan 2017 Trip spans 13 days
฿39,620
Select
Emirates
Emirates
BKK
11:00
IAD
15:10
28h 10m
1 stop
IAD
05:25
BKK
12:20
30h 55m
1 stop
Depart: Sat 8 Apr 2017 Return: Sat 22 Apr 2017 Trip spans 15 days
฿34,499
Select
ANA
ANA
BKK
02:50
IAD
17:40
38h 50m
1 stop
IAD
04:30
BKK
08:00
27h 30m
2 stops
Depart: Sun 26 Mar 2017 Return: Sun 30 Apr 2017 Trip spans 36 days
฿31,902
Select
Etihad Airways
Etihad Airways
BKK
16:35
IAD
06:36
38h 01m
2 stops
IAD
18:05
BKK
16:10
22h 05m
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

Bangkok
฿ 30,017
Destination

Washington
฿ 30,017