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Washington, D.C.

$449+ 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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — WAS
Dec 18 — Dec 251
Thu 12/18
Thu 12/25
1 adult, Economy
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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 November 18, 2025.

Round-trip from

$952
(Mytrip)

One-way from

$449
(Kiwi.com)

Popular in

August

Cheapest in

October

Average price

$1,115
From Thailand to Washington, D.C. (WAS)
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One-way flight from Thailand to Washington, D.C. (WAS)
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Highest demand for flights based on searches. 5% potential increase in price ($65 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 November 18, 2025.

This Trip.com deal was found by Cheapflights users on 11/18. 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.
Thu 11/203:20 pmBKK - IAD
1 stop34h 45mSAUDIA
Fri 11/286:10 pmIAD - BKK
1 stop31h 30mSAUDIA
Deal found 11/18$862
This Priceline deal was found by Cheapflights users on 11/18. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/242:55 amBKK - IAD
1 stop24h 35mEtihad Airways
Wed 1/142:35 pmIAD - BKK
1 stop28h 35mEtihad Airways
Deal found 11/18$970
This CheapOair deal was found by Cheapflights users on 11/17. 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.
Fri 12/192:55 amBKK - IAD
1 stop42h 10mEtihad Airways
Wed 1/142:35 pmIAD - BKK
1 stop20h 45mEtihad Airways
Deal found 11/17$971
This Gurufare deal was found by Cheapflights users on 11/17. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/172:15 amBKK - DCA
2 stops29h 45mMultiple Airlines
Mon 11/249:59 amDCA - BKK
2 stops37h 31mMultiple Airlines
Deal found 11/17$998
This China Airlines deal was found by Cheapflights users on 11/17. 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.
Tue 11/1810:55 amBKK - IAD
2 stops31h 28mMultiple Airlines
Mon 11/246:34 pmIAD - BKK
2 stops27h 16mMultiple Airlines
Deal found 11/17$1,002
This Mytrip deal was found by Cheapflights users on 11/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/255:10 pmBKK - IAD
2 stops34h 20mMultiple Airlines
Wed 1/142:35 pmIAD - BKK
1 stop20h 45mMultiple Airlines
Deal found 11/18$1,004
This Gurufare deal was found by Cheapflights users on 11/18. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/242:15 amBKK - DCA
2 stops30h 27mMultiple Airlines
Wed 1/149:59 amDCA - BKK
2 stops37h 11mMultiple Airlines
Deal found 11/18$1,028
This oojo deal was found by Cheapflights users on 11/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/255:15 pmBKK - DCA
2 stops36h 31mEVA Air
Wed 1/149:59 amDCA - BKK
2 stops37h 11mEVA Air
Deal found 11/18$1,048
This SmartFares deal was found by Cheapflights users on 11/18. 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.
Thu 11/275:15 pmBKK - IAD
2 stops36h 19mMultiple Airlines
Sat 12/67:34 amIAD - BKK
2 stops39h 36mMultiple Airlines
Deal found 11/18$1,052
This CheapOair deal was found by Cheapflights users on 11/18. 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.
Tue 12/233:30 pmBKK - IAD
2 stops39h 50mIndiGo
Tue 1/69:15 pmIAD - BKK
2 stops35h 50mIndiGo
Deal found 11/18$1,056
This Gotogate deal was found by Cheapflights users on 11/18. 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.
Thu 11/205:55 pmBKK - IAD
2 stops36h 35mMultiple Airlines
Fri 11/2810:40 amIAD - BKK
1 stop20h 45mMultiple Airlines
Deal found 11/18$1,059
This Gotogate deal was found by Cheapflights users on 11/18. 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 12/238:50 pmBKK - IAD
1 stop24h 15mMultiple Airlines
Tue 1/69:15 pmIAD - BKK
2 stops35h 50mMultiple Airlines
Deal found 11/18$1,063

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 November 18, 2025.
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

Thu 3/5

8:50 pm-9:05 am

1 stop24h 15m

Washington, D.C. Dulles Intl

Wed 4/15

3:35 pm-6:30 am

1 stop27h 55m

$1,027

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sun 3/1

8:50 pm-9:05 am

1 stop24h 15m

Washington, D.C. Dulles Intl

Thu 5/14

3:35 pm-11:55 pm

1 stop21h 20m

$1,028

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Tue 5/5

2:40 am-5:40 am

2 stops38h 00m

Baltimore/Washington

Wed 5/13

7:40 pm-12:10 pm

2 stops29h 30m

$1,036

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 5/6

10:50 am-5:05 pm

2 stops41h 15m

Washington, D.C. Dulles Intl

Wed 5/13

5:30 pm-12:10 pm

2 stops31h 40m

$1,036

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Thu 4/2

3:40 pm-1:10 pm

3 stops32h 30m

Washington, D.C. Reagan-National

Tue 4/14

11:30 am-9:45 am

3 stops35h 15m

$1,044

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Fri 2/27

12:55 am-9:50 am

1 stop20h 55m

Washington, D.C. Dulles Intl

Sat 5/16

1:15 pm-1:15 pm

1 stop37h 00m

$1,044

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 2/16

9:30 pm-9:50 am

1 stop24h 20m

Washington, D.C. Dulles Intl

Sun 3/22

12:50 pm-11:20 pm

1 stop23h 30m

$1,047

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Wed 3/25

1:40 pm-10:05 am

2 stops31h 25m

Washington, D.C. Dulles Intl

Tue 5/12

3:35 pm-4:40 am

2 stops26h 05m

$1,064

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 1/15

4:55 pm-11:46 am

3 stops30h 51m

Washington, D.C. Dulles Intl

Tue 1/27

8:25 am-11:25 am

2 stops39h 00m

$1,091

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Thu 4/2

9:50 am-11:33 pm

2 stops24h 43m

Washington, D.C. Reagan-National

Tue 4/14

6:00 am-11:40 pm

2 stops30h 40m

$1,109

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/16

Showing 1-10 of 60 results
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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, March is the cheapest month in which you can book a flight from Thailand to Washington, D.C. (average of $918). Flying from Thailand to Washington, D.C. in December is currently the most expensive (average of $1,072). 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 November 18, 2025.

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 at noon, which can drop the price by up to 19% versus a flight in the evening.

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 December 16, 2024.

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 November 18, 2025.
Read through reviews of airlines operating flights from Thailand to Washington, D.C., such as Delta, Qatar Airways, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,003 reviews

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,003 reviews
Delta
7.9
Good
8,003 reviews

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Qatar Airways
7.4
Good
3,664 reviews
Delta
7.9
Good
8,003 reviews

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,019 reviews
Delta
7.9
Good
8,003 reviews

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.

  • How long is the flight from Thailand to Washington, D.C.?

    Etihad Airways, United Airlines, and Korean Air can get you from Thailand to Washington, D.C. in just under 20h 55m. Your travel time can differ by up to 11h 35m. The distance from Thailand to Washington, D.C. is about 8792 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Thailand to Washington, D.C. one-way?

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $612. Korean Air flights start at $625 while deals on Delta start at $670 one-way.

  • What are the most popular routes from Thailand to Washington, D.C.?

    The most popular flight routes from Thailand to Washington, D.C. are Bangkok Suvarnabhumi - Washington, D.C. Dulles Intl, Bangkok Suvarnabhumi - Baltimore/Washington and Bangkok Suvarnabhumi - Washington, D.C. Reagan-National.

  • Can I find deals for flights from Thailand to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Thailand to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Thailand to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Thailand to Washington, D.C..

  • Can I find deals for business class flights from Thailand to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Thailand to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Thailand to Washington, D.C.?

    Currently, March is the cheapest month in which you can book a flight from Thailand to Washington, D.C. (average of $918). Flying from Thailand to Washington, D.C. in December is currently the most expensive (average of $1,072). 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.

See more FAQs

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Tysons
Woodbridge
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Waldorf
Bowie
Largo
McLean

Browse thousands of different options on Cheapflights for your next trip

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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.
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Suvarnabhumi to Reagan-National flights
Manila to Reagan-National flights
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Capital to Reagan-National flights
Kuala Lumpur Intl to Dulles Intl flights
Lahore to Reagan-National flights
Colombo to Dulles Intl flights
Capital to Dulles Intl flights
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Kansai Intl to Dulles Intl flights
Nagpur to Dulles Intl flights
Soekarno-Hatta Intl to Reagan-National flights
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Almaty to Dulles Intl flights

Top 6 airlines flying from Thailand to Washington, D.C.

Discover the top 6 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 November 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$992Average$1,107FlexibilityNo cancel feeOn-time69%
ANACheapest$1,011Average$1,316FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$1,033Average$1,169FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,143Average$1,196FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,371Average$1,523FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$1,401Average$1,520FlexibilityNo cancel feeOn-time71%

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