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Washington, D.C.

$474+ 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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — WAS
Dec 29 — Jan 51
Mon 12/29
Mon 1/5
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 29, 2025.

Round-trip from

$946
(Mytrip)

One-way from

$474
(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 29, 2025.

This SmartFares deal was found by Cheapflights users on 11/26. 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 12/211:50 pmBKK - BWI
2 stops41h 50mMultiple Airlines
Fri 12/57:00 amBWI - BKK
2 stops46h 50mMultiple Airlines
Deal found 11/26$891
This Air China deal was found by Cheapflights users on 11/26. 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 Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:30 pmBKK - IAD
1 stop35h 00mAir China
Tue 12/210:00 pmIAD - BKK
1 stop38h 10mAir China
Deal found 11/26$922
This Gotogate deal was found by Cheapflights users on 11/28. 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 12/257:30 pmBKK - IAD
1 stop35h 00mMultiple Airlines
Sat 1/102:35 pmIAD - BKK
1 stop20h 50mMultiple Airlines
Deal found 11/28$953
This Gurufare deal was found by Cheapflights users on 11/26. 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.
Wed 12/34:05 pmBKK - DCA
2 stops39h 55mMultiple Airlines
Sat 12/69:59 amDCA - BKK
2 stops37h 11mMultiple Airlines
Deal found 11/26$996
This Gurufare deal was found by Cheapflights users on 11/26. 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.
Wed 12/35:15 pmBKK - DCA
2 stops38h 45mMultiple Airlines
Fri 12/56:59 pmDCA - BKK
2 stops40h 41mMultiple Airlines
Deal found 11/26$1,035
This Mytrip deal was found by Cheapflights users on 11/27. 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.
Fri 12/197:30 pmDMK - IAD
2 stops31h 15mMultiple Airlines
Wed 1/72:35 pmIAD - DMK
2 stops25h 50mMultiple Airlines
Deal found 11/27$1,037
This Expedia deal was found by Cheapflights users on 11/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/242:15 amBKK - DCA
2 stops30h 24mMultiple Airlines
Sat 1/106:56 pmDCA - BKK
2 stops42h 29mMultiple Airlines
Deal found 11/28$1,046
This Gurufare deal was found by Cheapflights users on 11/26. 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.
Tue 12/25:15 pmBKK - DCA
2 stops38h 45mMultiple Airlines
Sat 12/69:59 amDCA - BKK
2 stops37h 11mMultiple Airlines
Deal found 11/26$1,097
This Booking.com deal was found by Cheapflights users on 11/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1910:50 amBKK - IAD
2 stops44h 30mIndiGo
Wed 1/71:30 pmIAD - BKK
2 stops43h 35mIndiGo
Deal found 11/27$1,097
This Booking.com deal was found by Cheapflights users on 11/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2010:10 amBKK - IAD
2 stops45h 10mIndiGo
Wed 1/71:30 pmIAD - BKK
2 stops43h 35mIndiGo
Deal found 11/27$1,099
This CheapOair deal was found by Cheapflights users on 11/27. 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 12/2010:10 amBKK - IAD
2 stops45h 10mIndiGo
Wed 1/149:15 pmIAD - BKK
2 stops35h 50mIndiGo
Deal found 11/27$1,101
This Delta deal was found by Cheapflights users on 11/26. 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 12/12:05 amBKK - IAD
2 stops33h 24mDelta
Thu 12/47:05 amIAD - BKK
2 stops29h 50mDelta
Deal found 11/26$1,116

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 29, 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.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Wed 2/4

1:40 pm-9:05 am

2 stops31h 25m

Washington, D.C. Dulles Intl

Wed 3/4

2:35 pm-2:30 am

2 stops23h 55m

$949

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Thu 2/19

2:35 am-10:10 pm

2 stops31h 35m

Baltimore/Washington

Tue 3/17

6:46 pm-9:50 am

2 stops28h 04m

$1,021

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Fri 12/19

7:30 pm-2:45 pm

2 stops31h 15m

Washington, D.C. Dulles Intl

Wed 1/7

2:35 pm-4:25 am

2 stops25h 50m

$1,037

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Fri 2/20

4:55 pm-11:49 am

3 stops30h 54m

Washington, D.C. Dulles Intl

Tue 3/17

6:00 pm-11:25 am

2 stops30h 25m

$1,052

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

$1,055

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Tue 1/27

9:00 pm-9:05 am

2 stops48h 05m

Washington, D.C. Dulles Intl

Fri 2/6

2:35 pm-4:25 am

2 stops49h 50m

$1,078

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Fri 2/20

9:10 am-8:59 pm

2 stops23h 49m

Washington, D.C. Reagan-National

Tue 3/17

12:00 pm-11:25 am

3 stops36h 25m

$1,103

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Tue 3/10

12:55 am-11:47 pm

2 stops33h 52m

Washington, D.C. Reagan-National

Sun 3/15

9:40 am-12:45 am

2 stops28h 05m

$1,118

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 3/4

12:55 am-8:45 pm

2 stops31h 50m

Washington, D.C. Dulles Intl

Wed 4/15

7:10 am-11:40 pm

2 stops29h 30m

$1,118

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 2/11

9:40 am-11:10 pm

2 stops25h 30m

Washington, D.C. Dulles Intl

Wed 3/18

7:00 am-9:30 pm

2 stops27h 30m

$1,118

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/27

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 29, 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 29, 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
8,011 reviews

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.1

Entertainment

7.9

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
8,011 reviews
Delta
7.9
Good
8,011 reviews

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.1

Entertainment

7.9

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
3,677 reviews
Delta
7.9
Good
8,011 reviews

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.1

Entertainment

7.9

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
9,056 reviews
Delta
7.9
Good
8,011 reviews

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.1

Entertainment

7.9

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.?

    Korean Air, United Airlines, and Delta can get you from Thailand to Washington, D.C. in just under 20h 55m. Your travel time can differ by up to 12h 57m. 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 Etihad Airways, which is currently one of the cheapest options available, starting at $582. Air Canada flights start at $612 while deals on Korean Air start at $626 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
Fredericksburg
Fairfax
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Falls Church
Bowie
Largo
McLean
Clinton

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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Capital to Dulles Intl flights
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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 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$992Average$1,099FlexibilityNo cancel feeOn-time69%
ANACheapest$1,011Average$1,307FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$1,033Average$1,163FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,143Average$1,184FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,371Average$1,523FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$1,401Average$1,520FlexibilityNo cancel feeOn-time71%

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