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Cheap flights from Bangkok to Washington, D.C. from ฿15,975

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 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — WAS
1 May — 8 May1
1 adult

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 Monday or Tuesday and return on a Thursday

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 26 April 2025.

Round-trip from

฿33,458

One-way from

฿15,975

Popular in

August

Cheapest in

November

Average price

฿40,089
Air China
  • Air China
  • 9/6-17/6
  • 2 total stops
  • 61h 10m total
  • Bangkok to Washington, D.C.
13/5
  • 13/5
  • 2 total stops
  • 42h 24m total
  • Bangkok to Washington, D.C.
Highest demand for flights based on searches. 8% potential increase in price (฿116,075 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (฿38,120 potential savings vs. average return price).
Average for round-trip flights in April 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 26 April 2025.

Mon 9/601:30BKK - IAD
1 stop29h 00mAir China
Tue 17/623:00IAD - BKK
1 stop32h 10mAir China
Deal found 26/4฿33,458
Wed 9/701:50BKK - IAD
1 stop24h 55mซาอุเดียแอร์ไลน์
Sat 19/718:50IAD - BKK
1 stop42h 20mซาอุเดียแอร์ไลน์
Deal found 26/4฿33,525
Fri 20/622:05BKK - DCA
2 stops29h 17mJapan Airlines
Tue 22/706:00DCA - BKK
2 stops36h 50mJapan Airlines
Deal found 26/4฿33,592
Mon 26/509:35BKK - IAD
2 stops49h 55mUnited Airlines
Mon 2/606:30IAD - BKK
2 stops59h 05mUnited Airlines
Deal found 26/4฿33,625
Wed 17/1207:10BKK - DCA
2 stops26h 58mUnited Airlines
Mon 5/114:00DCA - BKK
3 stops32h 50mUnited Airlines
Deal found 25/4฿33,726
Sun 4/510:50BKK - IAD
2 stops31h 53mMultiple Airlines
Sat 17/519:25IAD - BKK
2 stops29h 45mMultiple Airlines
Deal found 25/4฿34,731
Mon 15/1201:00BKK - IAD
1 stop20h 50mKorean Air
Tue 6/111:50IAD - BKK
1 stop37h 25mKorean Air
Deal found 25/4฿35,936
Mon 25/802:35BKK - IAD
2 stops32h 18mเดลต้า
Sat 20/917:25IAD - BKK
2 stops32h 50mเดลต้า
Deal found 26/4฿36,037
Mon 15/1201:00BKK - DCA
2 stops27h 32mเดลต้า
Mon 5/106:10DCA - BKK
2 stops27h 20mเดลต้า
Deal found 25/4฿36,070
Thu 15/512:50BKK - IAD
1 stop37h 25mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Mon 2/620:45IAD - BKK
1 stop26h 00mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Deal found 25/4฿36,372
Sun 25/502:30BKK - IAD
1 stop41h 10mQatar Airways
Mon 2/611:00IAD - BKK
1 stop21h 20mQatar Airways
Deal found 26/4฿37,845
Tue 18/1108:35BKK - IAD
2 stops38h 41mแอร์แคนาดา
Sat 29/1122:05IAD - BKK
2 stops44h 10mแอร์แคนาดา
Deal found 26/4฿37,879

Cheapflights Fare Finder

Customise 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 17,341 searches. Data last updated 26 April 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

Mon 9/6

01:30-19:30

1 stop29h 00m

Washington, D.C. Dulles Intl

Tue 17/6

23:00-18:10

1 stop32h 10m

฿33,458

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 9/7

01:50-15:45

1 stop24h 55m

Washington, D.C. Dulles Intl

Sat 19/7

18:50-00:10

1 stop42h 20m

฿33,525

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Fri 20/6

22:05-16:22

2 stops29h 17m

Washington, D.C. Reagan-National

Tue 22/7

06:00-05:50

2 stops36h 50m

฿33,592

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 26/5

09:35-00:30

2 stops49h 55m

Washington, D.C. Dulles Intl

Mon 2/6

06:30-04:35

2 stops59h 05m

฿33,625

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 23/7

15:25-15:45

2 stops35h 20m

Washington, D.C. Dulles Intl

Wed 13/8

13:30-05:15

1 stop28h 45m

฿35,635

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 25/8

02:35-23:53

2 stops32h 18m

Washington, D.C. Dulles Intl

Sat 20/9

17:25-13:15

2 stops32h 50m

฿36,037

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 15/5

12:50-15:15

1 stop37h 25m

Washington, D.C. Dulles Intl

Mon 2/6

20:45-09:45

1 stop26h 00m

฿36,372

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sun 25/5

02:30-08:40

1 stop41h 10m

Washington, D.C. Dulles Intl

Mon 2/6

11:00-19:20

1 stop21h 20m

฿37,845

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Thu 10/7

07:00-21:38

2 stops25h 38m

Washington, D.C. Reagan-National

Sat 19/7

13:00-04:35

2 stops28h 35m

฿38,013

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Tue 10/6

13:10-06:10

3 stops28h 00m

Baltimore/Washington

Tue 17/6

20:35-16:40

2 stops33h 05m

฿38,415

Flights are sorted by cheapest return flights first.

Deals found on 25/4

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 return 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 return flight from Bangkok to Washington, D.C.. Price data was last updated on 25 April 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 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 26 April 2025.

It’s optimal to fly from Bangkok to Washington, D.C. in the morning. By choosing this option you can save up to 27% on the cost of your flight, compared to a flight in the afternoon.

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 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. when rainfall is around 66.0 mm.

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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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 26 April 2025.
See what other customers who have flown with EVA Air, Korean Air and Japan Airlines from Bangkok to Washington, D.C. have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.3

Overall

8.4

Entertainment

8.0

Food

8.1

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Comfort

8.3

Overall

8.4

Entertainment

8.0

Food

8.1

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Comfort

8.3

Overall

8.4

Entertainment

8.0

Food

8.1

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Comfort

8.3

Overall

8.4

Entertainment

8.0

Food

8.1

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Comfort

8.3

Overall

8.4

Entertainment

8.0

Food

8.1

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
8.3
Very Good

Comfort

8.3

Overall

8.4

Entertainment

8.0

Food

8.1

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

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?

    Currently priced at ฿33,458, Air China will fly you from Bangkok to Washington, D.C. and back. In addition to Air China, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from ซาอุเดียแอร์ไลน์ and United Airlines - these airlines can fly you to your destination from ฿33,525 and ฿33,625, respectively. These flights start at 14% lower than the current average price 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 ซาอุเดียแอร์ไลน์, which is currently one of the cheapest options available, starting at ฿19,023. IndiGo flights start at ฿19,559 while deals on Korean Air start at ฿21,568 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 holiday 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Bangkok to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

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

Discover the top 6 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 17,341 searches. Data last updated 26 April 2025.
AirlineCheapestAverageFlexibilityOn-time
ซาอุเดียแอร์ไลน์Cheapest฿29,507Average฿32,402FlexibilityNo cancel feeOn-time86%
Search ซาอุเดียแอร์ไลน์ flights
United AirlinesCheapest฿32,484Average฿34,986FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
ANACheapest฿34,094Average฿40,926FlexibilityNo cancel feeOn-time80%
Search ANA flights
Korean AirCheapest฿35,018Average฿42,957FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Qatar AirwaysCheapest฿42,281Average฿47,337FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
EmiratesCheapest฿43,771Average฿49,532FlexibilityNo cancel feeOn-time75%
Search Emirates flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Bangkok to Washington, D.C.?

Deals for Bangkok to Washington, D.C. flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Bangkok to Washington, D.C.?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Bangkok to Washington, D.C..

Can Cheapflights find flights from Bangkok to Washington, D.C. with no change fees?

Yes, we can. To see specific flights from Bangkok to Washington, D.C. with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Bangkok to Washington, D.C. become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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