$579+ Cheap flights from Thailand to Washington, D.C. (WAS)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — WAS
May 18 — May 251
Round-trip
1 adult, Economy
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Cheapest flights from Thailand to Washington, D.C.Explore the most affordable flight options available from Thailand to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 18, 2026.
Explore the most affordable flight options available from Thailand to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 18, 2026.
This Justfly.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/302:30 am
BKK
- IAD
1 stop26h 40m
Qatar Airways
Sun 5/109:00 pm
IAD
- BKK
1 stop22h 50m
Qatar Airways
Deal found 4/15![Qatar Airways logo]()
$1,097
This Qatar Airways deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/107:45 pm
BKK
- IAD
1 stop33h 25m
Multiple Airlines
Wed 9/99:00 pm
IAD
- BKK
1 stop29h 25m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$1,098
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:35 am
BKK
- DCA
2 stops47h 18m
United Airlines
Mon 10/126:00 pm
DCA
- BKK
2 stops47h 35m
United Airlines
Deal found 4/17![United Airlines logo]()
$1,099
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:35 am
BKK
- IAD
2 stops46h 47m
United Airlines
Mon 10/1210:10 pm
IAD
- BKK
2 stops43h 25m
United Airlines
Deal found 4/17![United Airlines logo]()
$1,099
This Delta deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/259:50 am
BKK
- DCA
2 stops23h 54m
Delta
Wed 9/1610:00 am
DCA
- BKK
2 stops28h 05m
Delta
Deal found 4/14![Delta logo]()
$1,102
This Delta deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/259:50 am
BKK
- IAD
2 stops26h 01m
Delta
Wed 9/166:00 am
IAD
- BKK
2 stops28h 45m
Delta
Deal found 4/14![Delta logo]()
$1,102
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/19:50 am
BKK
- IAD
2 stops25h 23m
Delta
Fri 8/287:25 am
IAD
- BKK
2 stops27h 20m
Delta
Deal found 4/16![Delta logo]()
$1,107
This Delta deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/79:40 pm
BKK
- IAD
2 stops37h 35m
Delta
Thu 11/57:05 am
IAD
- BKK
2 stops29h 40m
Delta
Deal found 4/15![Delta logo]()
$1,108
This Korean Air deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2511:15 pm
BKK
- IAD
1 stop22h 35m
Korean Air
Fri 1/811:50 am
IAD
- BKK
1 stop23h 30m
Korean Air
Deal found 4/15![Korean Air logo]()
$1,109
This Qatar Airways deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/77:40 pm
BKK
- IAD
1 stop33h 30m
Qatar Airways
Thu 11/58:05 pm
IAD
- BKK
1 stop34h 20m
Qatar Airways
Deal found 4/15![Qatar Airways logo]()
$1,110
This Orbitz deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/61:20 am
BKK
- IAD
2 stops33h 49m
Multiple Airlines
Thu 11/58:05 pm
IAD
- BKK
1 stop22h 35m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$1,114
This Justfly.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:45 pm
BKK
- IAD
1 stop33h 25m
Qatar Airways
Wed 5/209:00 pm
IAD
- BKK
1 stop29h 45m
Qatar Airways
Deal found 4/15![Qatar Airways logo]()
$1,117
Best flights from Thailand to Washington, D.C.Discover carefully curated flight deals from Thailand to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 18, 2026.
Discover carefully curated flight deals from Thailand to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 18, 2026.
This Delta deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/19:50 am
BKK
- IAD
2 stops25h 23m
Delta
Fri 8/287:25 am
IAD
- BKK
2 stops27h 20m
Delta
Deal found 4/14![Delta logo]()
$1,102
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:00 am
BKK
- DCA
2 stops25h 53m
United Airlines
Mon 9/282:00 pm
DCA
- BKK
2 stops27h 35m
United Airlines
Deal found 4/17![United Airlines logo]()
$1,119
This China Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:20 pm
BKK
- BWI
2 stops28h 10m
Multiple Airlines
Mon 10/126:11 pm
BWI
- BKK
2 stops30h 59m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$1,136
This Qatar Airways deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:55 am
BKK
- IAD
1 stop33h 50m
Qatar Airways
Mon 9/289:00 pm
IAD
- BKK
1 stop35h 05m
Qatar Airways
Deal found 4/17![Qatar Airways logo]()
$1,169
This oojo deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/104:45 pm
BKK
- DCA
2 stops38h 15m
EVA Air
Wed 9/99:30 am
DCA
- BKK
2 stops38h 50m
EVA Air
Deal found 4/16![EVA Air logo]()
$1,175
This Emirates deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:10 pm
DMK
- IAD
1 stop31h 30m
Emirates
Mon 9/2810:55 am
IAD
- DMK
1 stop22h 50m
Emirates
Deal found 4/15![Emirates logo]()
$1,450
This Korean Air deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/39:45 pm
CNX
- IAD
1 stop24h 20m
Korean Air
Mon 9/77:00 am
IAD
- CNX
2 stops26h 45m
Korean Air
Deal found 4/13![Korean Air logo]()
$1,621
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2611:30 pm
BKK
- IAD
2 stops35h 02m
Delta
Tue 6/307:15 am
IAD
- BKK
2 stops29h 20m
Delta
Deal found 4/13![Delta logo]()
$1,114
This Qatar Airways deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/41:00 am
BKK
- IAD
1 stop28h 10m
Multiple Airlines
Tue 5/269:00 pm
IAD
- BKK
1 stop29h 05m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$1,139
This Qatar Airways deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:40 pm
BKK
- IAD
2 stops34h 30m
Qatar Airways
Wed 5/139:00 pm
IAD
- BKK
1 stop29h 45m
Qatar Airways
Deal found 4/16![Qatar Airways logo]()
$1,269
This Qatar Airways deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:00 pm
BKK
- IAD
1 stop34h 10m
Multiple Airlines
Wed 5/69:00 pm
IAD
- BKK
2 stops30h 00m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$1,182
This Delta deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/109:50 am
BKK
- IAD
2 stops25h 35m
Delta
Wed 8/121:30 pm
IAD
- BKK
1 stop24h 35m
Delta
Deal found 4/15![Delta logo]()
$1,217
This Qatar Airways deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:40 pm
BKK
- IAD
1 stop33h 40m
Qatar Airways
Fri 6/129:00 pm
IAD
- BKK
1 stop22h 50m
Qatar Airways
Deal found 4/18![Qatar Airways logo]()
$1,296
This Emirates deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/111:50 pm
DMK
- IAD
1 stop43h 50m
Emirates
Mon 10/1210:55 am
IAD
- DMK
1 stop22h 50m
Emirates
Deal found 4/17![Emirates logo]()
$1,452
This United Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/293:45 pm
BKK
- DCA
3 stops32h 19m
United Airlines
Fri 7/38:25 am
DCA
- BKK
2 stops33h 10m
United Airlines
Deal found 4/15![United Airlines logo]()
$1,459
This China Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/105:30 pm
BKK
- BWI
2 stops30h 30m
Multiple Airlines
Wed 9/98:10 pm
BWI
- BKK
2 stops29h 00m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$1,225
This Qatar Airways deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/33:00 am
BKK
- IAD
1 stop23h 40m
Qatar Airways
Fri 8/79:00 pm
IAD
- BKK
1 stop29h 25m
Qatar Airways
Deal found 4/16![Qatar Airways logo]()
$1,334
This Emirates deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1011:50 pm
DMK
- IAD
1 stop43h 50m
Emirates
Sat 10/3111:15 am
IAD
- DMK
1 stop35h 45m
Emirates
Deal found 4/15![Emirates logo]()
$1,468
This United Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/253:45 pm
BKK
- DCA
3 stops28h 09m
United Airlines
Wed 9/1611:30 am
DCA
- BKK
3 stops35h 05m
United Airlines
Deal found 4/14![United Airlines logo]()
$1,486
This China Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/271:20 pm
BKK
- BWI
2 stops27h 20m
Multiple Airlines
Thu 9/38:15 pm
BWI
- BKK
2 stops28h 55m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$1,237
This Korean Air deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/39:45 pm
CNX
- DCA
2 stops34h 36m
Korean Air
Mon 9/78:30 pm
DCA
- CNX
2 stops61h 15m
Korean Air
Deal found 4/13![Korean Air logo]()
$1,682
This Qatar Airways deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/267:45 pm
BKK
- IAD
2 stops33h 25m
Qatar Airways
Tue 6/3011:05 am
IAD
- BKK
1 stop21h 20m
Qatar Airways
Deal found 4/13![Qatar Airways logo]()
$1,342
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:35 am
BKK
- BWI
2 stops59h 44m
United Airlines
Sun 10/46:17 am
BWI
- BKK
2 stops35h 18m
United Airlines
Deal found 4/17![United Airlines logo]()
$1,507
This Qatar Airways deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/243:00 am
BKK
- IAD
1 stop23h 40m
Multiple Airlines
Sat 8/19:00 pm
IAD
- BKK
1 stop29h 25m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$1,302
This Emirates deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:00 pm
CNX
- IAD
2 stops47h 40m
Emirates
Wed 9/1610:55 am
IAD
- CNX
2 stops45h 15m
Emirates
Deal found 4/18![Emirates logo]()
$1,598
This Qatar Airways deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/292:30 am
BKK
- DCA
2 stops31h 58m
Qatar Airways
Wed 5/62:54 pm
DCA
- BKK
2 stops28h 56m
Qatar Airways
Deal found 4/17![Qatar Airways logo]()
$1,399
This United Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/63:45 pm
BKK
- BWI
2 stops50h 35m
United Airlines
Wed 5/134:12 pm
BWI
- BKK
3 stops54h 23m
United Airlines
Deal found 4/16![United Airlines logo]()
$1,603
This CheapOair deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:00 am
BKK
- BWI
2 stops45h 40m
Multiple Airlines
Thu 5/79:30 pm
BWI
- BKK
2 stops46h 25m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$1,372
This Qatar Airways deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/310:10 am
CNX
- IAD
2 stops33h 35m
Qatar Airways
Mon 9/79:00 pm
IAD
- CNX
2 stops59h 10m
Qatar Airways
Deal found 4/13![Qatar Airways logo]()
$1,400
This Qatar Airways deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/42:30 am
BKK
- DCA
2 stops31h 58m
Qatar Airways
Tue 5/266:40 pm
DCA
- BKK
2 stops25h 10m
Qatar Airways
Deal found 4/16![Qatar Airways logo]()
$1,404
Last-minute flights from Thailand to Washington, D.C.Discover last-minute flight deals from Thailand to Washington, D.C.. Data last updated April 18, 2026 and is based on user searches.
Discover last-minute flight deals from Thailand to Washington, D.C.. Data last updated April 18, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:45 pm
BKK
- IAD
1 stop33h 25m
Qatar Airways
Wed 5/209:00 pm
IAD
- BKK
1 stop29h 45m
Qatar Airways
Deal found 4/15![Qatar Airways logo]()
$1,117
This Qatar Airways deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:45 pm
BKK
- IAD
1 stop33h 25m
Qatar Airways
Wed 5/69:00 pm
IAD
- BKK
1 stop30h 10m
Qatar Airways
Deal found 4/17![Qatar Airways logo]()
$1,121
This Qatar Airways deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:00 pm
BKK
- IAD
1 stop34h 10m
Multiple Airlines
Wed 5/279:00 pm
IAD
- BKK
1 stop29h 05m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$1,119
This Justfly.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/302:30 am
BKK
- IAD
1 stop26h 40m
Qatar Airways
Sun 5/109:00 pm
IAD
- BKK
1 stop22h 50m
Qatar Airways
Deal found 4/15![Qatar Airways logo]()
$1,097
This Trip.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:45 pm
BKK
- IAD
1 stop33h 25m
Multiple Airlines
Thu 5/73:10 pm
IAD
- BKK
1 stop28h 35m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$1,107
This Orbitz deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/61:20 am
BKK
- IAD
2 stops33h 49m
Multiple Airlines
Thu 11/58:05 pm
IAD
- BKK
1 stop22h 35m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$1,114
This Delta deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/79:40 pm
BKK
- IAD
2 stops37h 35m
Delta
Thu 11/57:05 am
IAD
- BKK
2 stops29h 40m
Delta
Deal found 4/15![Delta logo]()
$1,108
This Qatar Airways deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/77:40 pm
BKK
- IAD
1 stop33h 30m
Qatar Airways
Thu 11/58:05 pm
IAD
- BKK
1 stop35h 20m
Qatar Airways
Deal found 4/15![Qatar Airways logo]()
$1,110
This flugladen.de deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:50 am
BKK
- IAD
1 stop24h 50m
Multiple Airlines
Fri 5/293:10 pm
IAD
- BKK
1 stop28h 35m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$1,118
This Delta deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/259:50 am
BKK
- DCA
2 stops23h 54m
Delta
Wed 9/1610:00 am
DCA
- BKK
2 stops28h 05m
Delta
Deal found 4/14![Delta logo]()
$1,102
This Delta deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/259:50 am
BKK
- IAD
2 stops26h 01m
Delta
Wed 9/166:00 am
IAD
- BKK
2 stops28h 45m
Delta
Deal found 4/14![Delta logo]()
$1,102
This OneTravel deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/317:10 pm
BKK
- BWI
2 stops35h 30m
Multiple Airlines
Sun 6/79:35 pm
BWI
- BKK
2 stops33h 10m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$1,122
One-way flights from Thailand to Washington, D.C.Search for one-way flight options from Thailand to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated April 18, 2026.
Search for one-way flight options from Thailand to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated April 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:50 pm
BKK
- BWI
3 stops56h 35m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$579
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/257:10 pm
BKK
- BWI
3 stops47h 33m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$616
This Kiwi.com deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/19:55 pm
BKK
- BWI
3 stops57h 23m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$618
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/95:50 pm
BKK
- BWI
3 stops27h 47m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$619
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/111:10 am
BKK
- IAD
3 stops44h 02m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$625
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/111:10 pm
BKK
- BWI
3 stops53h 33m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$626
This Kiwi.com deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/19:55 pm
BKK
- IAD
3 stops53h 27m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$626
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:40 pm
BKK
- IAD
1 stop33h 30m
Qatar Airways
Deal found 4/16![Qatar Airways logo]()
$627
This FlightHub deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:40 pm
BKK
- IAD
1 stop33h 30m
Qatar Airways
Deal found 4/15![Qatar Airways logo]()
$628
This FlightHub deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/117:45 pm
BKK
- IAD
1 stop33h 25m
Qatar Airways
Deal found 4/13![Qatar Airways logo]()
$629
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:05 pm
BKK
- BWI
3 stops51h 32m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$630
This Justfly.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/117:45 pm
BKK
- IAD
1 stop33h 25m
Qatar Airways
Deal found 4/14![Qatar Airways logo]()
$630
Find flight deals from Thailand to Washington, D.C.
Keep the following information in mind while searching for Thailand to Washington, D.C. flight deals. Data was last updated April 18, 2026.
Round-trip from | $1,097 (Justfly.com) |
|---|---|
One-way from | $579 (Kiwi.com) |
Popular in | April |
Cheapest in | October |
Average price | $1,852 |
Cheapflights Fare Finder
Customize your flight search to find flights from Thailand to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 18, 2026.
Use the filters below to find and compare flights from Thailand to Washington, D.C. that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BangkokWashington, D.C.
BKK - IAD
BKKIAD
Bangkok Suvarnabhumi
Mon 6/1
9:50 am-12:13 am
2 stops25h 23m
Washington, D.C. Dulles Intl
Fri 8/28
7:25 am-9:45 pm
2 stops27h 20m
$1,102
BangkokWashington, D.C.
BKK - IAD
BKKIAD
Bangkok Suvarnabhumi
Tue 5/26
11:30 pm-11:32 pm
2 stops35h 02m
Washington, D.C. Dulles Intl
Tue 6/30
7:15 am-11:35 pm
2 stops29h 20m
$1,114
BangkokWashington, D.C.
BKK - DCA
BKKDCA
Bangkok Suvarnabhumi
Thu 9/24
7:00 am-9:53 pm
2 stops25h 53m
Washington, D.C. Reagan-National
Mon 9/28
2:00 pm-4:35 am
2 stops27h 35m
$1,119
BangkokBaltimore
BKK - BWI
BKKBWI
Bangkok Suvarnabhumi
Thu 10/1
1:20 pm-6:30 am
2 stops28h 10m
Baltimore/Washington
Mon 10/12
6:11 pm-12:10 pm
2 stops30h 59m
$1,136
BangkokWashington, D.C.
BKK - IAD
BKKIAD
Bangkok Suvarnabhumi
Mon 5/4
1:00 am-6:10 pm
1 stop28h 10m
Washington, D.C. Dulles Intl
Tue 5/26
9:00 pm-1:05 pm
1 stop29h 05m
$1,139
BangkokWashington, D.C.
BKK - IAD
BKKIAD
Bangkok Suvarnabhumi
Thu 9/24
9:55 am-8:45 am
1 stop33h 50m
Washington, D.C. Dulles Intl
Mon 9/28
9:00 pm-7:05 pm
1 stop35h 05m
$1,169
BangkokWashington, D.C.
BKK - DCA
BKKDCA
Bangkok Suvarnabhumi
Wed 6/10
4:45 pm-8:00 pm
2 stops38h 15m
Washington, D.C. Reagan-National
Wed 9/9
9:30 am-11:20 am
2 stops38h 50m
$1,175
BangkokWashington, D.C.
BKK - IAD
BKKIAD
Bangkok Suvarnabhumi
Thu 4/30
7:00 pm-6:10 pm
1 stop34h 10m
Washington, D.C. Dulles Intl
Wed 5/6
9:00 pm-2:00 pm
2 stops30h 00m
$1,182
Quickest round-trip
BangkokWashington, D.C.
BKK - IAD
BKKIAD
Bangkok Suvarnabhumi
Wed 6/10
9:50 am-12:25 am
2 stops25h 35m
Washington, D.C. Dulles Intl
Wed 8/12
1:30 pm-1:05 am
1 stop24h 35m
$1,217
BangkokBaltimore
BKK - BWI
BKKBWI
Bangkok Suvarnabhumi
Wed 6/10
5:30 pm-1:00 pm
2 stops30h 30m
Baltimore/Washington
Wed 9/9
8:10 pm-12:10 pm
2 stops29h 00m
$1,225
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Thailand to Washington, D.C.
Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Thailand with our price prediction graph.
BKK-IAD
BKK-DCA
BKK-BWI
CNX-IAD
DMK-IAD
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Thailand to Washington, D.C.
TH0-WAS
BKK-IAD
BKK-DCA
BKK-BWI
CNX-IAD
What is the cheapest month to book a flight from Thailand to Washington, D.C.?
Currently, April is the cheapest month in which you can book a flight from Thailand to Washington, D.C. (average of $472). Flying from Thailand to Washington, D.C. in January is currently the most expensive (average of $1,129). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Washington, D.C.
Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated April 18, 2026.
Read through reviews of airlines operating flights from Thailand to Washington, D.C., such as Korean Air,ANA, andDelta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.4
Food
8.1
Comfort
8.3
Boarding
8.5
Entertainment
8.2
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Overall
8.4
Food
8.1
Comfort
8.3
Boarding
8.5
Entertainment
8.2
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Overall
8.4
Food
8.1
Comfort
8.3
Boarding
8.5
Entertainment
8.2
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Overall
8.4
Food
8.1
Comfort
8.3
Boarding
8.5
Entertainment
8.2
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Overall
8.4
Food
8.1
Comfort
8.3
Boarding
8.5
Entertainment
8.2
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Overall
8.4
Food
8.1
Comfort
8.3
Boarding
8.5
Entertainment
8.2
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Related info for your journey
Find useful and relevant information for your journey from Thailand to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Washington, D.C.?
Book flights to Washington, D.C. if you plan to visit one of these locationsAlexandria
Woodbridge
Tysons
Owings Mills
Springfield
Arlington
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Largo
Upper Marlboro
Waldorf
Bowie
Clinton
Towson
Hunt Valley
Cordova
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Alternative routes for Thailand to Washington, D.C.
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Thailand and Washington, D.C. flights
Browse other Thailand and Washington, D.C. flight options. Last updated on April 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Thailand to Washington, D.C. flights
Consider these flights traveling from Thailand to Washington, D.C..
Other flights to Washington, D.C.
Explore flights to Washington, D.C. departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 18, 2026.
Top 5 airlines flying from Thailand to Washington, D.C.
Discover the top 5 airlines that operate flights from Thailand to Washington, D.C.. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,028 | Average$1,340 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$1,044 | Average$1,137 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,065 | Average$1,172 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$1,112 | Average$1,119 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$1,142 | Average$1,172 | FlexibilityNo cancel fee | On-time68% |