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Washington, D.C.

$527+ 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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — WAS
Jan 5 — Jan 121
Mon 1/5
Mon 1/12
1 adult, Economy
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Cheap 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 December 6, 2025.

This Gotogate deal was found by Cheapflights users on 12/3. 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 12/251:30 amBKK - IAD
1 stop29h 00mAir China
Fri 1/210:00 pmIAD - BKK
1 stop35h 30mAir China
Deal found 12/3$934
This CheapOair deal was found by Cheapflights users on 12/5. 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 12/111:30 amBKK - IAD
1 stop29h 00mMultiple Airlines
Sat 1/32:35 pmIAD - BKK
1 stop20h 50mMultiple Airlines
Deal found 12/5$1,065
This CheapOair deal was found by Cheapflights users on 12/4. 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 12/203:30 pmBKK - IAD
2 stops39h 50mIndiGo
Wed 1/141:30 pmIAD - BKK
2 stops43h 35mIndiGo
Deal found 12/4$1,111
This FlightHub deal was found by Cheapflights users on 12/5. 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.
Fri 12/192:00 amBKK - IAD
1 stop25h 55mMultiple Airlines
Wed 1/148:05 pmIAD - BKK
1 stop29h 00mMultiple Airlines
Deal found 12/5$1,119
This FlightHub deal was found by Cheapflights users on 12/4. 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.
Fri 12/193:00 amBKK - IAD
1 stop24h 55mQatar Airways
Wed 1/148:05 pmIAD - BKK
1 stop28h 10mQatar Airways
Deal found 12/4$1,120
This EaseMyTrip deal was found by Cheapflights users on 12/6. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1811:05 pmCNX - IAD
1 stop31h 25mAir China
Fri 1/210:00 pmIAD - CNX
1 stop35h 50mAir China
Deal found 12/6$1,135
This oojo deal was found by Cheapflights users on 12/4. 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.
Mon 12/228:55 amBKK - IAD
1 stop36h 10mEtihad Airways
Fri 1/22:35 pmIAD - BKK
1 stop40h 10mEtihad Airways
Deal found 12/4$1,178
This United Airlines deal was found by Cheapflights users on 12/4. 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.
Sat 12/204:55 pmBKK - DCA
3 stops29h 04mUnited Airlines
Mon 1/56:00 amDCA - BKK
2 stops30h 20mUnited Airlines
Deal found 12/4$1,189
This CheapOair deal was found by Cheapflights users on 12/4. 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 12/203:30 pmBKK - IAD
2 stops39h 50mIndiGo
Mon 1/51:30 pmIAD - BKK
2 stops43h 35mIndiGo
Deal found 12/4$1,252
This KAYAK deal was found by Cheapflights users on 12/4. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2010:05 pmBKK - DCA
2 stops32h 52mJapan Airlines
Mon 1/54:50 pmDCA - BKK
2 stops59h 35mJapan Airlines
Deal found 12/4$1,254
This oojo deal was found by Cheapflights users on 12/4. 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.
Sun 12/219:25 amBKK - IAD
1 stop35h 40mEtihad Airways
Fri 1/22:35 pmIAD - BKK
1 stop40h 10mEtihad Airways
Deal found 12/4$1,266
This oojo deal was found by Cheapflights users on 12/5. 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.
Mon 12/227:30 pmBKK - IAD
1 stop35h 00mAir China
Fri 1/210:00 pmIAD - BKK
1 stop32h 05mAir China
Deal found 12/5$1,268

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 December 6, 2025.

Round-trip from

$904
(oojo)

One-way from

$527
(SmartFares)

Popular in

August

Cheapest in

October

Average price

$1,362
From Thailand to Washington, D.C. (WAS)
Search Deals
One-way flight from Thailand to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 6, 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

Tue 5/12

9:35 am-7:08 am

2 stops32h 33m

Washington, D.C. Dulles Intl

Tue 9/1

3:30 pm-9:45 am

3 stops31h 15m

$1,045

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 5/6

11:30 pm-11:15 am

1 stop22h 45m

Washington, D.C. Dulles Intl

Wed 5/13

1:15 pm-1:05 am

1 stop24h 50m

$1,047

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 3/5

9:40 am-9:50 am

1 stop36h 10m

Washington, D.C. Dulles Intl

Wed 4/15

1:15 pm-11:40 pm

1 stop23h 25m

$1,047

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 1/19

9:10 am-11:46 am

2 stops38h 36m

Washington, D.C. Dulles Intl

Mon 1/26

8:15 am-11:25 am

3 stops39h 10m

$1,074

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 3/5

5:15 pm-5:40 am

2 stops24h 25m

Washington, D.C. Dulles Intl

Wed 4/15

7:01 pm-10:55 am

2 stops28h 54m

$1,075

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Mon 1/19

7:10 am-8:56 pm

2 stops25h 46m

Washington, D.C. Reagan-National

Mon 1/26

2:00 pm-11:25 am

3 stops33h 25m

$1,095

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sun 1/18

7:10 am-7:35 pm

2 stops24h 25m

Washington, D.C. Dulles Intl

Sun 1/25

10:28 pm-5:10 am

2 stops42h 42m

$1,099

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Wed 5/6

5:30 pm-8:35 pm

3 stops38h 05m

Baltimore/Washington

Wed 5/13

3:30 pm-9:45 am

2 stops31h 15m

$1,117

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 12/18

11:05 pm-6:30 pm

1 stop31h 25m

Washington, D.C. Dulles Intl

Fri 1/2

10:00 pm-9:50 pm

1 stop35h 50m

$1,135

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sun 3/1

11:15 pm-11:10 pm

2 stops35h 55m

Washington, D.C. Dulles Intl

Thu 5/14

7:59 pm-9:45 pm

2 stops38h 46m

$1,151

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

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 December 6, 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 December 6, 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
8,010 reviews

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

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
8,010 reviews
Delta
7.9
Good
8,010 reviews

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

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
3,676 reviews
Delta
7.9
Good
8,010 reviews

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

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
9,066 reviews
Delta
7.9
Good
8,010 reviews

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

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.?

    United Airlines, Korean Air, and Air China can get you from Thailand to Washington, D.C. in just under 22h 45m. Your travel time can differ by up to 9h 48m. 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 SAUDIA, which is currently one of the cheapest options available, starting at $484. Air Canada flights start at $548 while deals on Etihad Airways start at $561 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
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Fairfax
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Bowie
Largo
McLean
Clinton
Cordova

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 Reagan-National 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 December 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$992Average$1,099FlexibilityNo cancel feeOn-time69%
ANACheapest$1,011Average$1,307FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$1,033Average$1,161FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,143Average$1,184FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,371Average$1,523FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$1,401Average$1,499FlexibilityNo cancel feeOn-time71%

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