$564+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — WAS
Feb 18 — Feb 251
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap 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 January 19, 2026.
Round-trip from | $940 (Gotogate) |
|---|---|
One-way from | $564 (Kiwi.com) |
Popular in | August |
Cheapest in | October |
Average price | $1,275 |
Find flight deals from Thailand to Washington, D.C.
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 January 19, 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 January 19, 2026.
This Gotogate deal was found by Cheapflights users on 1/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/103:20 pm
BKK
- IAD
1 stop35h 25m
SAUDIA
Sat 4/256:50 pm
IAD
- BKK
1 stop31h 50m
SAUDIA
Deal found 1/17![SAUDIA logo]()
$940
This CheapOair deal was found by Cheapflights users on 1/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/1610:10 am
BKK
- IAD
2 stops45h 10m
IndiGo
Mon 2/239:15 pm
IAD
- BKK
2 stops35h 50m
IndiGo
Deal found 1/18![IndiGo logo]()
$992
This CheapOair deal was found by Cheapflights users on 1/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/1410:10 am
BKK
- IAD
2 stops45h 10m
IndiGo
Sat 2/219:15 pm
IAD
- BKK
2 stops35h 50m
IndiGo
Deal found 1/17![IndiGo logo]()
$997
This Trip.com deal was found by Cheapflights users on 1/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/165:05 pm
BKK
- IAD
2 stops28h 00m
Multiple Airlines
Mon 2/232:35 pm
IAD
- BKK
1 stop20h 50m
Multiple Airlines
Deal found 1/18![Multiple Airlines logo]()
$1,000
This Gotogate deal was found by Cheapflights users on 1/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1710:10 am
BKK
- IAD
2 stops45h 10m
Multiple Airlines
Tue 2/242:35 pm
IAD
- BKK
1 stop20h 50m
Multiple Airlines
Deal found 1/18![Multiple Airlines logo]()
$1,002
This SmartFares deal was found by Cheapflights users on 1/18. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/45:15 pm
BKK
- DCA
2 stops36h 44m
Multiple Airlines
Mon 4/276:59 pm
DCA
- BKK
2 stops28h 56m
Multiple Airlines
Deal found 1/18![Multiple Airlines logo]()
$1,016
This Gotogate deal was found by Cheapflights users on 1/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/2510:50 am
BKK
- IAD
2 stops44h 30m
Multiple Airlines
Sat 2/72:35 pm
IAD
- BKK
1 stop20h 50m
Multiple Airlines
Deal found 1/17![Multiple Airlines logo]()
$1,021
This China Airlines deal was found by Cheapflights users on 1/18. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/235:30 pm
BKK
- BWI
2 stops23h 14m
Multiple Airlines
Sun 4/266:35 pm
BWI
- BKK
2 stops28h 10m
Multiple Airlines
Deal found 1/18![Multiple Airlines logo]()
$1,022
This Travelocity deal was found by Cheapflights users on 1/18. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/61:25 pm
BKK
- IAD
2 stops45h 44m
Multiple Airlines
Wed 5/133:35 pm
IAD
- BKK
1 stop28h 10m
Multiple Airlines
Deal found 1/18![Multiple Airlines logo]()
$1,022
This Kiwi.com deal was found by Cheapflights users on 1/17. 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.
Tue 3/310:50 am
BKK
- IAD
2 stops34h 15m
Multiple Airlines
Tue 3/103:35 pm
IAD
- BKK
1 stop20h 50m
Multiple Airlines
Deal found 1/17![Multiple Airlines logo]()
$1,025
This SmartFares deal was found by Cheapflights users on 1/18. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/51:35 am
BKK
- DCA
2 stops27h 24m
Multiple Airlines
Wed 5/139:59 am
DCA
- BKK
2 stops37h 56m
Multiple Airlines
Deal found 1/18![Multiple Airlines logo]()
$1,027
This Gotogate deal was found by Cheapflights users on 1/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/253:20 pm
BKK
- IAD
1 stop35h 25m
SAUDIA
Sat 2/76:10 pm
IAD
- BKK
1 stop41h 20m
SAUDIA
Deal found 1/17![SAUDIA logo]()
$1,027
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 January 19, 2026.
Use the filters below to find and compare flights from Thailand to Washington, D.C. that are best for you.
Fly from
Thailand
Fly to
Washington, D.C.
Route
Depart
Return
Price
BangkokWashington, D.C.
BKK - IAD
BKKIAD
Bangkok Suvarnabhumi
Mon 3/9
10:55 am-5:40 am
2 stops29h 45m
Washington, D.C. Dulles Intl
Wed 4/29
5:30 pm-1:25 am
2 stops44h 55m
$1,028
BangkokBaltimore
BKK - BWI
BKKBWI
Bangkok Suvarnabhumi
Wed 3/4
5:15 pm-5:46 pm
2 stops36h 31m
Baltimore/Washington
Mon 4/27
7:16 pm-10:55 am
2 stops28h 39m
$1,029
BangkokWashington, D.C.
BKK - DCA
BKKDCA
Bangkok Suvarnabhumi
Mon 2/16
5:15 pm-8:05 pm
2 stops38h 50m
Washington, D.C. Reagan-National
Mon 2/23
9:59 am-11:10 am
2 stops37h 11m
$1,041
BangkokWashington, D.C.
BKK - IAD
BKKIAD
Bangkok Suvarnabhumi
Sun 5/3
9:35 am-3:40 pm
1 stop41h 05m
Washington, D.C. Dulles Intl
Wed 7/29
6:20 am-4:35 am
2 stops35h 15m
$1,051
BangkokWashington, D.C.
BKK - IAD
BKKIAD
Bangkok Suvarnabhumi
Wed 7/8
9:35 am-10:05 am
1 stop35h 30m
Washington, D.C. Dulles Intl
Mon 7/27
10:08 am-4:35 am
2 stops31h 27m
$1,053
BangkokWashington, D.C.
BKK - IAD
BKKIAD
Bangkok Suvarnabhumi
Wed 3/4
5:15 pm-5:20 pm
2 stops36h 05m
Washington, D.C. Dulles Intl
Mon 4/27
7:20 pm-10:55 am
2 stops28h 35m
$1,060
BangkokWashington, D.C.
BKK - DCA
BKKDCA
Bangkok Suvarnabhumi
Wed 7/8
7:00 am-9:53 pm
2 stops25h 53m
Washington, D.C. Reagan-National
Mon 7/27
3:30 pm-9:35 am
3 stops31h 05m
$1,062
BangkokWashington, D.C.
BKK - IAD
BKKIAD
Bangkok Suvarnabhumi
Fri 5/1
3:45 pm-5:28 pm
3 stops36h 43m
Washington, D.C. Dulles Intl
Sat 5/16
10:05 pm-9:35 am
2 stops48h 30m
$1,068
BangkokWashington, D.C.
BKK - IAD
BKKIAD
Bangkok Suvarnabhumi
Tue 3/3
4:55 pm-11:49 am
3 stops30h 54m
Washington, D.C. Dulles Intl
Tue 3/10
6:00 pm-11:25 am
2 stops30h 25m
$1,068
BangkokWashington, D.C.
BKK - DCA
BKKDCA
Bangkok Suvarnabhumi
Tue 6/30
3:45 pm-9:15 am
3 stops28h 30m
Washington, D.C. Reagan-National
Fri 7/10
11:30 am-9:35 am
3 stops35h 05m
$1,070
Showing 1-10 of 60 results
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.
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.
What is the cheapest month to book a flight from Thailand to Washington, D.C.?
Currently, June is the cheapest month in which you can book a flight from Thailand to Washington, D.C. (average of $934). Flying from Thailand to Washington, D.C. in January is currently the most expensive (average of $1,130). 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.
What is the cheapest time of day to fly from TH to WAS?
Find hourly flight availability from Thailand to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 19, 2026.
When flying from Thailand to Washington, D.C., the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 45% versus a flight at noon.
What is the cheapest day to fly from Thailand to Washington, D.C.?
Use this chart to determine the cheapest time to fly round-trip from Thailand to Washington, D.C.. Price data was last updated on March 30, 2025.
Travelers seeking maximum savings on their Thailand to Washington, D.C. flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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 January 19, 2026.
Read through reviews of airlines operating flights from Thailand to Washington, D.C., such as ANA, Delta, and Qatar Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.5
Crew
8.7
Comfort
8.2
Overall
8.4
Entertainment
7.9
Food
7.7
Reviews
1 / 20
10.0
ExcellentLindsey,Jan 2026
CGK - HND
Boarding
8.5
Crew
8.7
Comfort
8.2
Overall
8.4
Entertainment
7.9
Food
7.7
Reviews
1 / 20
10.0
ExcellentLindsey,Jan 2026
CGK - HND
Boarding
8.5
Crew
8.7
Comfort
8.2
Overall
8.4
Entertainment
7.9
Food
7.7
Reviews
1 / 20
10.0
ExcellentLindsey,Jan 2026
CGK - HND
Boarding
8.5
Crew
8.7
Comfort
8.2
Overall
8.4
Entertainment
7.9
Food
7.7
Reviews
1 / 20
10.0
ExcellentLindsey,Jan 2026
CGK - HND
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
Arlington
Owings Mills
Springfield
Silver Spring
Hanover
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Largo
Bowie
McLean
Clinton
Herndon
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Alternative routes for Thailand to Washington, D.C.
See prices for flight routes from nearby airports that may be better suited for you.
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 January 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$992 | Average$1,113 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,011 | Average$1,316 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$1,033 | Average$1,124 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$1,142 | Average$1,172 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,392 | Average$1,430 | FlexibilityNo cancel fee | On-time75% |