Washington, D.C.

$466+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — WAS
May 6 — May 131
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Cheapflights Tip: The best prices from Bangkok to Washington, D.C. are usually found in November or July, booked 78 days in advance, depart on a Sunday or Wednesday and return on a Saturday

Cheap 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 May 1, 2025.

Round-trip from

$1,003
(EaseMyTrip)

One-way from

$466
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$1,141
From Bangkok to Washington, D.C. (WAS)
One-way flight from Bangkok to Washington, D.C. (WAS)
Highest demand for flights based on searches. 8% potential increase in price ($104 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($34 potential savings vs. average RT price).
Average for round-trip flights in May 2025

Find 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 May 1, 2025.

This EaseMyTrip deal was found by Cheapflights users on 4/29. 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 5/291:30 amBKK - IAD
1 stop29h 00mAir China
Fri 6/611:00 pmIAD - BKK
1 stop32h 10mAir China
Deal found 4/29$1,003
This Korean Air deal was found by Cheapflights users on 4/30. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/189:40 amBKK - IAD
1 stop36h 10mKorean Air
Sat 11/2911:50 amIAD - BKK
1 stop24h 55mKorean Air
Deal found 4/30$1,005
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 9/39:35 amBKK - IAD
2 stops32h 16mUnited Airlines
Tue 9/301:20 pmIAD - BKK
2 stops28h 15mUnited Airlines
Deal found 4/30$1,008
This SAUDIA deal was found by Cheapflights users on 4/30. 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 SAUDIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/53:25 pmBKK - IAD
2 stops35h 20mSAUDIA
Sun 8/36:50 pmIAD - BKK
1 stop114h 20mSAUDIA
Deal found 4/30$1,012
This Delta deal was found by Cheapflights users on 4/29. 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.
Tue 11/189:40 amBKK - DCA
2 stops24h 36mDelta
Sat 11/296:00 amDCA - BKK
2 stops29h 20mDelta
Deal found 4/29$1,076
This SWISS deal was found by Cheapflights users on 4/30. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1512:50 pmBKK - IAD
1 stop37h 25mSWISS
Mon 6/28:45 pmIAD - BKK
1 stop26h 00mSWISS
Deal found 4/30$1,085
This EaseMyTrip deal was found by Cheapflights users on 4/30. 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.
Wed 9/34:45 pmBKK - BWI
2 stops23h 48mMultiple Airlines
Tue 9/307:22 pmBWI - BKK
2 stops28h 03mMultiple Airlines
Deal found 4/30$1,100
This Air Canada deal was found by Cheapflights users on 4/30. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/188:35 amBKK - DCA
2 stops37h 44mAir Canada
Sat 11/294:00 pmDCA - BKK
2 stops50h 15mAir Canada
Deal found 4/30$1,107
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/39:35 amBKK - DCA
2 stops47h 07mUnited Airlines
Sat 5/108:05 amDCA - BKK
2 stops52h 50mUnited Airlines
Deal found 4/28$1,108
This Air Canada deal was found by Cheapflights users on 4/30. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/188:35 amBKK - IAD
2 stops38h 41mAir Canada
Sat 11/2910:05 pmIAD - BKK
2 stops44h 10mAir Canada
Deal found 4/30$1,114
This FlightHub deal was found by Cheapflights users on 4/30. 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.
Tue 10/72:30 amBKK - IAD
1 stop24h 10mQatar Airways
Wed 10/159:00 pmIAD - BKK
1 stop28h 55mQatar Airways
Deal found 4/30$1,130
This Delta deal was found by Cheapflights users on 4/30. 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.
Thu 6/52:35 amBKK - IAD
2 stops32h 53mDelta
Sun 7/137:40 amIAD - BKK
2 stops27h 05mDelta
Deal found 4/30$1,132

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 May 1, 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.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 5/29

1:30 am-7:30 pm

1 stop29h 00m

Washington, D.C. Dulles Intl

Fri 6/6

11:00 pm-6:10 pm

1 stop32h 10m

$1,003

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 9/3

9:35 am-6:51 am

2 stops32h 16m

Washington, D.C. Dulles Intl

Tue 9/30

1:20 pm-4:35 am

2 stops28h 15m

$1,008

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sat 7/5

3:25 pm-3:45 pm

2 stops35h 20m

Washington, D.C. Dulles Intl

Sun 8/3

6:50 pm-12:10 am

1 stop114h 20m

$1,012

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 9/3

9:40 pm-10:55 am

1 stop24h 15m

Washington, D.C. Dulles Intl

Tue 9/30

1:15 pm-1:05 am

1 stop24h 50m

$1,065

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 5/15

12:50 pm-3:15 pm

1 stop37h 25m

Washington, D.C. Dulles Intl

Mon 6/2

8:45 pm-9:45 am

1 stop26h 00m

$1,085

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Wed 9/3

4:45 pm-5:33 am

2 stops23h 48m

Baltimore/Washington

Tue 9/30

7:22 pm-10:25 am

2 stops28h 03m

$1,100

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 10/7

2:30 am-3:40 pm

1 stop24h 10m

Washington, D.C. Dulles Intl

Wed 10/15

9:00 pm-12:55 pm

1 stop28h 55m

$1,130

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 6/5

2:35 am-12:28 am

2 stops32h 53m

Washington, D.C. Dulles Intl

Sun 7/13

7:40 am-9:45 pm

2 stops27h 05m

$1,132

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 10/7

1:50 am-8:05 pm

2 stops29h 15m

Washington, D.C. Dulles Intl

Wed 10/15

9:40 pm-12:00 pm

2 stops27h 20m

$1,134

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Fri 6/20

5:30 pm-9:42 pm

2 stops39h 12m

Washington, D.C. Reagan-National

Tue 7/22

6:58 pm-9:45 am

2 stops27h 47m

$1,137

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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.

How far ahead should I book a flight from Bangkok to Washington, D.C.?

Use this chart to determine the optimal time to book a round-trip flight from Bangkok to Washington, D.C.. Price data was last updated on April 25, 2025.

The best time to book flights from Bangkok to Washington, D.C. is 76 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from Bangkok to Washington, D.C. (average of $309). Flying from Bangkok to Washington, D.C. in June is currently the most expensive (average of $373). 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 May 1, 2025.

It’s typically best to fly out from Bangkok to Washington, D.C. in the morning. Doing so could potentially save you 9% on the flight price compared to flying in the afternoon, which is usually more expensive.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 May 1, 2025.
Get a feel of what it's like to fly with EVA Air, Korean Air and Japan Airlines from Bangkok to Washington, D.C. by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Boarding

8.4

Food

8.1

Entertainment

8.0

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Crew

8.6

Boarding

8.4

Food

8.1

Entertainment

8.0

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Crew

8.6

Boarding

8.4

Food

8.1

Entertainment

8.0

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Crew

8.6

Boarding

8.4

Food

8.1

Entertainment

8.0

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Crew

8.6

Boarding

8.4

Food

8.1

Entertainment

8.0

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
8.3
Very good

Crew

8.6

Boarding

8.4

Food

8.1

Entertainment

8.0

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

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.
  • 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 $1,003. Other airlines that can offer you cheap pricing are United Airlines, from $1,008, and SAUDIA, from $1,012. Air China 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 $578. Korean Air flights start at $601 while deals on IndiGo start at $635 one-way.

  • What are the most popular routes 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, August is the cheapest month in which you can book a flight from Bangkok to Washington, D.C. (average of $309). Flying from Bangkok to Washington, D.C. in June is currently the most expensive (average of $373). 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 Bangkok?

Book flights to Bangkok if you plan to visit one of these locations
Alexandria
Arlington
Woodbridge
Tysons
Fairfax
Springfield
Rockville
Fredericksburg
Silver Spring
Gaithersburg
Linthicum Heights
Falls Church
Laurel
Easton
Towson
Herndon
Bowie
National Harbor
Oxon Hill
Reston

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.

Top 7 airlines flying from Bangkok to Washington, D.C.

Discover the top 7 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$977Average$1,106FlexibilityNo cancel feeOn-time69%
ANACheapest$995Average$1,284FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$1,043Average$1,220FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,201Average$1,373FlexibilityNo cancel feeOn-time68%
Turkish AirlinesCheapest$1,287Average$1,448FlexibilityNo cancel feeOn-time77%
EmiratesCheapest$1,349Average$1,511FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$1,351Average$1,443FlexibilityNo cancel feeOn-time71%

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