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Washington, D.C.

$521+ Cheap flights from Bangkok 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — WAS
Jan 16 — Jan 231
Fri 1/16
Fri 1/23
1 adult, Economy
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Cheap flight deals from Bangkok to Washington, D.C.

Cheapest flights from Bangkok to Washington, D.C.
Explore the most affordable flight options available from Bangkok to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 17, 2025.

This United Airlines deal was found by Cheapflights users on 12/16. 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.
Fri 12/264:55 pmBKK - IAD
3 stops35h 29mUnited Airlines
Sat 1/107:45 pmIAD - BKK
2 stops45h 25mUnited Airlines
Deal found 12/16$1,067
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Fri 12/269:25 amBKK - IAD
1 stop35h 40mEtihad Airways
Tue 1/132:35 pmIAD - BKK
1 stop28h 35mEtihad Airways
Deal found 12/16$1,125
This Trip.com deal was found by Cheapflights users on 12/16. 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 12/251:30 amBKK - IAD
1 stop29h 00mMultiple Airlines
Sat 1/102:35 pmIAD - BKK
1 stop20h 50mMultiple Airlines
Deal found 12/16$1,134
This CheapOair deal was found by Cheapflights users on 12/16. 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 12/193:00 amBKK - IAD
1 stop24h 55mMultiple Airlines
Wed 1/142:35 pmIAD - BKK
1 stop39h 25mMultiple Airlines
Deal found 12/16$1,162
This FlightHub deal was found by Cheapflights users on 12/15. 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.
Sat 12/208:30 pmBKK - IAD
1 stop23h 50mQatar Airways
Wed 1/148:05 pmIAD - BKK
1 stop34h 20mQatar Airways
Deal found 12/15$1,166
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Fri 12/269:25 amBKK - IAD
1 stop35h 40mEtihad Airways
Wed 1/72:35 pmIAD - BKK
1 stop20h 50mEtihad Airways
Deal found 12/16$1,190
This CheapOair deal was found by Cheapflights users on 12/16. 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 12/2010:05 pmBKK - IAD
2 stops33h 15mIndiGo
Wed 1/141:30 pmIAD - BKK
2 stops43h 35mIndiGo
Deal found 12/16$1,192
This FlightHub deal was found by Cheapflights users on 12/16. 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 12/268:55 amBKK - IAD
1 stop36h 10mEtihad Airways
Fri 1/92:35 pmIAD - BKK
1 stop40h 10mEtihad Airways
Deal found 12/16$1,194
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Fri 12/2610:05 pmBKK - IAD
2 stops54h 35mMultiple Airlines
Sun 1/112:35 pmIAD - BKK
1 stop39h 25mMultiple Airlines
Deal found 12/16$1,225
This CheapOair deal was found by Cheapflights users on 12/16. 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.
Sun 12/2110:05 pmBKK - IAD
2 stops33h 15mIndiGo
Thu 1/11:30 pmIAD - BKK
2 stops42h 20mIndiGo
Deal found 12/16$1,229
This SmartFares deal was found by Cheapflights users on 12/16. 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.
Fri 12/261:20 pmBKK - BWI
2 stops28h 24mMultiple Airlines
Sat 1/107:14 pmBWI - BKK
2 stops52h 46mMultiple Airlines
Deal found 12/16$1,244
This Mytrip deal was found by Cheapflights users on 12/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/264:50 pmDMK - IAD
3 stops34h 56mMultiple Airlines
Thu 1/82:35 pmIAD - DMK
3 stops33h 00mMultiple Airlines
Deal found 12/17$1,283

Find flight deals from Bangkok to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Bangkok (TH1) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 17, 2025.

Round-trip from

$933
(SmartFares)

One-way from

$521
(Kiwi.com)

Popular in

August

Cheapest in

October

Average price

$1,187
From Bangkok to Washington, D.C. (WAS)
Search Deals
One-way flight from Bangkok to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Bangkok 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 17, 2025.
Use the filters below to find and compare flights from Bangkok to Washington, D.C. that are best for you.

Fly from

Bangkok

Fly to

Washington, D.C.

Route

Depart

Return

Price

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Fri 2/6

1:40 pm-9:05 am

2 stops31h 25m

Washington, D.C. Dulles Intl

Sun 2/15

2:35 pm-4:20 am

2 stops25h 45m

$1,023

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Fri 1/30

2:15 am-8:00 pm

2 stops29h 45m

Washington, D.C. Reagan-National

Sat 2/7

9:59 am-11:10 am

2 stops37h 11m

$1,025

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Sun 5/3

10:50 am-1:20 am

2 stops25h 30m

Baltimore/Washington

Thu 8/20

7:10 pm-9:45 am

2 stops27h 35m

$1,036

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 4/21

2:40 am-5:05 pm

2 stops49h 25m

Washington, D.C. Dulles Intl

Tue 4/28

7:01 pm-9:45 am

2 stops27h 44m

$1,036

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

$1,053

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Fri 2/6

1:40 pm-9:05 am

2 stops31h 25m

Washington, D.C. Dulles Intl

Sat 2/14

2:35 pm-4:25 am

2 stops25h 50m

$1,056

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 4/22

7:00 am-11:59 pm

2 stops27h 59m

Washington, D.C. Dulles Intl

Tue 4/28

1:05 pm-9:45 am

3 stops33h 40m

$1,059

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Tue 1/27

8:05 am-8:44 pm

2 stops24h 39m

Washington, D.C. Reagan-National

Tue 2/17

5:32 pm-4:25 pm

2 stops34h 53m

$1,060

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Fri 2/6

4:55 pm-5:35 pm

3 stops36h 40m

Washington, D.C. Dulles Intl

Sat 2/14

10:10 pm-5:10 am

2 stops43h 00m

$1,067

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sat 1/31

4:55 pm-11:46 am

3 stops30h 51m

Washington, D.C. Dulles Intl

Sat 2/7

6:00 pm-11:25 am

2 stops29h 25m

$1,067

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 60 results
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Best time to book a flight from Bangkok to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Bangkok 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 Bangkok to Washington, D.C.

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

Currently, March is the cheapest month in which you can book a flight from Bangkok to Washington, D.C. (average of $917). Flying from Bangkok to Washington, D.C. in November is currently the most expensive (average of $1,070). 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 BKK to WAS?

Find hourly flight availability from Bangkok 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 17, 2025.

It’s typically best to fly out from Bangkok to Washington, D.C. in the afternoon. Doing so could potentially save you 19% on the flight price compared to flying at noon, which is usually more expensive.

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 17, 2025.
Read through reviews of airlines operating flights from Bangkok to Washington, D.C., such as Qatar Airways and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.4
Good
3,685 reviews

Overall

7.4

Crew

7.9

Comfort

7.4

Entertainment

7.4

Food

7.3

Boarding

7.5

Reviews

1 / 20
6.0
Good

Mohamed,Jul 2025

BKK - DOH

boarding process was smooth, Crew was excellent. i booked Comfort+ the seat was good but very old and the entertainment screen get stuck and difficult to control again maybe because its old device brought from other old airplanes not belong to Qatar Airways new fleets. Food is not at all matching the hype of Qatarairways, what i had in Emirates or Etihad economy class is way better.
Qatar Airways
7.4
Good
3,685 reviews
Qatar Airways
7.4
Good
3,685 reviews

Overall

7.4

Crew

7.9

Comfort

7.4

Entertainment

7.4

Food

7.3

Boarding

7.5

Reviews

1 / 20
6.0
Good

Mohamed,Jul 2025

BKK - DOH

boarding process was smooth, Crew was excellent. i booked Comfort+ the seat was good but very old and the entertainment screen get stuck and difficult to control again maybe because its old device brought from other old airplanes not belong to Qatar Airways new fleets. Food is not at all matching the hype of Qatarairways, what i had in Emirates or Etihad economy class is way better.
United Airlines
7.4
Good
9,091 reviews
Qatar Airways
7.4
Good
3,685 reviews

Overall

7.4

Crew

7.9

Comfort

7.4

Entertainment

7.4

Food

7.3

Boarding

7.5

Reviews

1 / 20
6.0
Good

Mohamed,Jul 2025

BKK - DOH

boarding process was smooth, Crew was excellent. i booked Comfort+ the seat was good but very old and the entertainment screen get stuck and difficult to control again maybe because its old device brought from other old airplanes not belong to Qatar Airways new fleets. Food is not at all matching the hype of Qatarairways, what i had in Emirates or Etihad economy class is way better.

Related info for your journey

Find useful and relevant information for your journey from Bangkok 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 Bangkok to Washington, D.C.?

    Departing from Bangkok to Washington, D.C. will take you 23h 53m. The distance from Bangkok to Washington, D.C. is about 8797 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Bangkok to Washington, D.C. round-trip?

    Cheapflights users have booked flights from Bangkok to Washington, D.C. round-trip from $992. Other airlines that can offer you cheap pricing are ANA, from $1,011, and Korean Air, from $1,033. United Airlines is priced at 14% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Bangkok 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. Etihad Airways flights start at $575 while deals on Air China start at $582 one-way.

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

    While some choose either Bangkok Suvarnabhumi - Baltimore/Washington or Bangkok Suvarnabhumi - Washington, D.C. Reagan-National, Bangkok Suvarnabhumi - Washington, D.C. Dulles Intl is the most popular route from Bangkok to Washington, D.C..

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

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

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

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

    Yes. Cheapflights offers flight deals from Bangkok 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 Bangkok to Washington, D.C.?

    Currently, March is the cheapest month in which you can book a flight from Bangkok to Washington, D.C. (average of $917). Flying from Bangkok to Washington, D.C. in November is currently the most expensive (average of $1,070). 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
Linthicum Heights
Rockville
Laurel
Towson
Manassas
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 Bangkok to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
Suvarnabhumi to Dulles Intl flights
Suvarnabhumi to Reagan-National flights
Chiang Mai to Dulles Intl flights
Chiang Mai to Reagan-National flights

Top 5 airlines flying from Bangkok to Washington, D.C.

Discover the top 5 airlines that operate flights from Bangkok 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 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$992Average$1,112FlexibilityNo cancel feeOn-time69%
ANACheapest$1,011Average$1,340FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$1,033Average$1,155FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,142Average$1,172FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,371Average$1,430FlexibilityNo cancel feeOn-time75%

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