
Keep the following information in mind while searching for Thailand to Washington, D.C. flight deals. Data was last updated September 4, 2026.
Round-trip from | $749 (Trip.com) |
|---|---|
One-way from | $373 (IEagle) |
Popular in | August |
Cheapest in | October |
Average price | $1,197 |
Fly from
Fly to
Route
Depart
Return
Chiang MaiWashington, D.C.
CNX Chiang Mai - IAD Washington, D.C. Dulles Intl
CNXIAD
Chiang Mai
Fri 11/6
9:10 am-9:05 am
1 stop35h 55m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 pm
Nonstop0h 00m
BangkokWashington, D.C.
DMK Bangkok Don Mueang Intl - IAD Washington, D.C. Dulles Intl
DMKIAD
Bangkok Don Mueang Intl
Mon 9/28
3:25 pm-10:50 am
2 stops54h 25m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 pm
Nonstop0h 00m
Chiang MaiBaltimore
CNX Chiang Mai - BWI Baltimore/Washington
CNXBWI
Chiang Mai
Sat 10/31
9:10 am-1:33 am
2 stops51h 23m
Baltimore/Washington
Wed 12/31
12:00 am-12:00 pm
Nonstop0h 00m
BangkokWashington, D.C.
BKK Bangkok Suvarnabhumi - IAD Washington, D.C. Dulles Intl
BKKIAD
Bangkok Suvarnabhumi
Mon 9/28
4:15 pm-10:50 am
2 stops53h 35m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 pm
Nonstop0h 00m
BangkokWashington, D.C.
BKK Bangkok Suvarnabhumi - DCA Washington, D.C. Reagan-National
BKKDCA
Bangkok Suvarnabhumi
Thu 12/10
7:15 pm-6:57 pm
2 stops35h 42m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-12:00 pm
Nonstop0h 00m
Chiang MaiWashington, D.C.
CNX Chiang Mai - IAD Washington, D.C. Dulles Intl
CNXIAD
Chiang Mai
Fri 11/6
6:35 am-8:55 pm
2 stops50h 20m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 pm
Nonstop0h 00m
BangkokWashington, D.C.
BKK Bangkok Suvarnabhumi - IAD Washington, D.C. Dulles Intl
BKKIAD
Bangkok Suvarnabhumi
Sun 9/27
3:15 am-9:45 am
1 stop41h 30m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 pm
Nonstop0h 00m
BangkokWashington, D.C.
BKK Bangkok Suvarnabhumi - DCA Washington, D.C. Reagan-National
BKKDCA
Bangkok Suvarnabhumi
Mon 9/28
11:45 am-9:59 pm
3 stops45h 14m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-12:00 pm
Nonstop0h 00m
BangkokWashington, D.C.
BKK Bangkok Suvarnabhumi - DCA Washington, D.C. Reagan-National
BKKDCA
Bangkok Suvarnabhumi
Thu 10/29
7:15 pm-10:57 pm
2 stops38h 42m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-12:00 pm
Nonstop0h 00m
BangkokBaltimore
BKK Bangkok Suvarnabhumi - BWI Baltimore/Washington
BKKBWI
Bangkok Suvarnabhumi
Tue 10/13
1:20 pm-5:20 am
2 stops27h 00m
Baltimore/Washington
Wed 12/31
12:00 am-12:00 pm
Nonstop0h 00m
Everything you need to know about your flight from Thailand to Washington, D.C.
Comfort
Entertainment
Crew
Overall
Boarding
Food
Reviews
Jacqueline,Aug 2025
ICN - SEA
Comfort
Entertainment
Crew
Overall
Boarding
Food
Reviews
Jacqueline,Aug 2025
ICN - SEA
Comfort
Entertainment
Crew
Overall
Boarding
Food
Reviews
Jacqueline,Aug 2025
ICN - SEA
Comfort
Entertainment
Crew
Overall
Boarding
Food
Reviews
Jacqueline,Aug 2025
ICN - SEA
Comfort
Entertainment
Crew
Overall
Boarding
Food
Reviews
Jacqueline,Aug 2025
ICN - SEA
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.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$956 | Average$1,091 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,028 | Average$1,371 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$1,045 | Average$1,180 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$1,112 | Average$1,119 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$1,132 | Average$1,186 | FlexibilityNo cancel fee | On-time68% |