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

Currently priced at ฿31,831, ซาอุเดียแอร์ไลน์ will fly you from Bangkok to Washington, D.C. and back. In addition to ซาอุเดียแอร์ไลน์, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from แอร์แคนาดา and Japan Airlines - these airlines can fly you to your destination from ฿31,992 and ฿33,058, respectively. These flights start at 17% lower than the current average price 3 months from now. Find deals

What are the cheapest airlines to fly from Bangkok to Washington, D.C. one-way?

To fly one-way, consider booking your trip with Air India, which is currently one of the cheapest options available, starting at ฿20,855. Korean Air flights start at ฿20,952 while deals on China Airlines start at ฿21,113 one-way. Find deals

What is the cheapest day to fly from Bangkok to Washington, D.C.?

Travellers seeking maximum savings on their Bangkok to Washington, D.C. flight should consider departing on Saturday mornings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time. Find deals

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

The most popular flight routes from Bangkok to Washington, D.C. are Bangkok Suvarnabhumi - Washington, D.C. Dulles Intl, Bangkok Suvarnabhumi - Baltimore/Washington and Bangkok Suvarnabhumi - Washington, D.C. Reagan-National.

What are the most popular airlines that fly from Bangkok to Washington, D.C.?

Emirates, Korean Air and ANA are the most popular airlines when flying from Bangkok to Washington, D.C..

What is the cheapest day to fly return from Bangkok to Washington, D.C.?

Flying to your destination on a Friday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Washington, D.C.. Check prices with Cheapflights to find a great deal for your trip.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 56 days in advance, which can save you up to 20% on flights from Bangkok to Washington, D.C. compared to booking the week you need them. Waiting 56 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at ฿33,994. For sooner than that we have options available in the next 3 days from ฿38,223.

What is the cheapest month to fly from Bangkok to Washington, D.C.?

Our data shows that January tends to be the cheapest month to fly to Washington, D.C. from Bangkok. Users have commonly found prices around ฿38,748 for the month, but tickets can be as low as ฿31,766. Due to multiple factors, prepare for potentially higher prices in August.

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.

฿17,336+ Flights from Bangkok to Washington, D.C.

Cheapflights Tip: The best prices from Bangkok to Washington, D.C. are usually found in January or February, booked 85 days in advance, depart on a Monday or Tuesday and return on a Thursday

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

Round-trip from	฿29,733
One-way from	฿17,336
Popular in	August
Cheapest in	January
Average price	฿38,352

Korean Air
1/7-29/7
3 total stops
70h 00m total
Bangkok to Washington, D.C.

Search Deals

19/8
2 total stops
28h 24m total
Bangkok to Washington, D.C.

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (฿151,870 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (฿38,761 potential savings vs. average return price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

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 15 June 2025.

Tue 1/723:40BKK - IAD

2 stops47h 05mMultiple Airlines

Tue 29/713:30IAD - BKK

1 stop22h 55mMultiple Airlines

Deal found 13/6฿29,733

Fri 3/1015:25BKK - IAD

1 stop35h 20mซาอุเดียแอร์ไลน์

Sat 18/1018:50IAD - BKK

1 stop42h 20mซาอุเดียแอร์ไลน์

Deal found 13/6฿31,831

Tue 18/1108:35BKK - DCA

2 stops37h 44mแอร์แคนาดา

Sat 29/1106:00DCA - BKK

2 stops36h 15mแอร์แคนาดา

Deal found 14/6฿31,992

Fri 11/722:05BKK - DCA

2 stops29h 16mJapan Airlines

Fri 25/722:08DCA - BKK

2 stops44h 42mJapan Airlines

Deal found 14/6฿33,058

Mon 7/723:30BKK - IAD

1 stop22h 45mKorean Air

Tue 22/713:30IAD - BKK

1 stop24h 35mKorean Air

Deal found 14/6฿33,155

Tue 1/709:35BKK - DCA

2 stops46h 27mUnited Airlines

Tue 29/717:59DCA - BKK

2 stops47h 36mUnited Airlines

Deal found 13/6฿33,542

Fri 19/921:35BKK - IAD

2 stops47h 03mแอร์แคนาดา

Thu 20/1122:11IAD - BKK

2 stops44h 04mแอร์แคนาดา

Deal found 14/6฿33,897

Fri 3/1013:55BKK - IAD

1 stop31h 10mANA

Sun 19/1008:20IAD - BKK

2 stops28h 35mANA

Deal found 13/6฿34,349

Wed 16/709:35BKK - IAD

2 stops49h 55mUnited Airlines

Thu 31/706:32IAD - BKK

2 stops35h 03mUnited Airlines

Deal found 13/6฿35,027

Tue 18/1109:40BKK - DCA

2 stops25h 51mเดลต้า

Sat 29/1106:00DCA - BKK

2 stops29h 20mเดลต้า

Deal found 13/6฿35,511

Tue 16/921:40BKK - IAD

2 stops29h 51mเดลต้า

Sun 23/1107:00IAD - BKK

2 stops28h 20mเดลต้า

Deal found 14/6฿35,511

Sun 6/700:05BKK - BWI

3 stops30h 24mMultiple Airlines

Tue 22/706:30BWI - BKK

2 stops28h 15mMultiple Airlines

Deal found 14/6฿35,770

Best flights from Bangkok to Washington, D.C.
Discover carefully curated flight deals from Bangkok to Washington, D.C. that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 June 2025.

Tue 1/723:40BKK - IAD

2 stops47h 05mMultiple Airlines

Tue 29/713:30IAD - BKK

1 stop22h 55mMultiple Airlines

Deal found 13/6฿29,733

Fri 3/1015:25BKK - IAD

1 stop35h 20mซาอุเดียแอร์ไลน์

Sat 18/1018:50IAD - BKK

1 stop42h 20mซาอุเดียแอร์ไลน์

Deal found 13/6฿31,831

Tue 18/1108:35BKK - DCA

2 stops37h 44mแอร์แคนาดา

Sat 29/1106:00DCA - BKK

2 stops36h 15mแอร์แคนาดา

Deal found 14/6฿31,992

Fri 11/722:05BKK - DCA

2 stops29h 16mJapan Airlines

Fri 25/722:08DCA - BKK

2 stops44h 42mJapan Airlines

Deal found 14/6฿33,058

Mon 7/723:30BKK - IAD

1 stop22h 45mKorean Air

Tue 22/713:30IAD - BKK

1 stop24h 35mKorean Air

Deal found 14/6฿33,155

Tue 1/709:35BKK - DCA

2 stops46h 27mUnited Airlines

Tue 29/717:59DCA - BKK

2 stops47h 36mUnited Airlines

Deal found 13/6฿33,542

Fri 3/1013:55BKK - IAD

1 stop31h 10mANA

Sun 19/1008:20IAD - BKK

2 stops28h 35mANA

Deal found 13/6฿34,349

Tue 18/1109:40BKK - DCA

2 stops25h 51mเดลต้า

Sat 29/1106:00DCA - BKK

2 stops29h 20mเดลต้า

Deal found 13/6฿35,511

Tue 16/912:35BKK - IAD

1 stop37h 50mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์

Sun 23/1117:25IAD - BKK

1 stop29h 15mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์

Deal found 14/6฿35,770

Sun 21/901:50BKK - IAD

2 stops29h 15mEthiopian Air

Thu 20/1120:40IAD - BKK

2 stops27h 50mEthiopian Air

Deal found 14/6฿36,544

Mon 30/602:30BKK - IAD

1 stop24h 10mQatar Airways

Tue 8/721:00IAD - BKK

1 stop29h 25mQatar Airways

Deal found 13/6฿36,867

Mon 15/901:30BKK - IAD

1 stop29h 00mAir China

Tue 18/1122:00IAD - BKK

1 stop32h 05mAir China

Deal found 14/6฿37,803

Last-minute flights from Bangkok to Washington, D.C.
Discover last-minute flight deals from Bangkok to Washington, D.C.. Data last updated 15 June 2025 and is based on user searches.

Thu 19/602:35BKK - IAD

2 stops32h 57mเดลต้า

Wed 25/606:20IAD - BKK

2 stops31h 45mเดลต้า

Deal found 14/6฿35,511

Thu 19/603:40BKK - IAD

1 stop40h 00mEmirates

Wed 25/610:55IAD - BKK

1 stop21h 30mEmirates

Deal found 13/6฿49,974

Fri 20/607:00BKK - IAD

2 stops45h 30mUnited Airlines

Wed 25/612:20IAD - BKK

1 stop29h 15mUnited Airlines

Deal found 13/6฿37,610

Fri 20/613:55BKK - IAD

1 stop36h 50mANA

Wed 25/612:20IAD - BKK

1 stop29h 15mANA

Deal found 13/6฿47,940

Tue 24/602:30BKK - IAD

1 stop24h 10mQatar Airways

Thu 3/721:00IAD - BKK

1 stop22h 55mQatar Airways

Deal found 13/6฿38,707

Tue 24/602:35BKK - BWI

2 stops32h 13mเดลต้า

Thu 3/706:00BWI - BKK

2 stops32h 05mเดลต้า

Deal found 13/6฿54,623

Wed 25/608:05BKK - BWI

2 stops26h 11mAmerican Airlines

Thu 3/706:43BWI - BKK

2 stops29h 17mAmerican Airlines

Deal found 13/6฿42,323

Fri 27/613:55BKK - IAD

1 stop31h 10mANA

Fri 4/715:39IAD - BKK

2 stops25h 56mANA

Deal found 13/6฿34,381

Mon 30/602:30BKK - IAD

1 stop24h 10mQatar Airways

Tue 8/721:00IAD - BKK

1 stop29h 25mQatar Airways

Deal found 13/6฿36,867

Tue 1/723:40BKK - IAD

2 stops47h 05mMultiple Airlines

Tue 29/713:30IAD - BKK

1 stop22h 55mMultiple Airlines

Deal found 13/6฿29,733

Tue 1/709:35BKK - DCA

2 stops46h 27mUnited Airlines

Tue 29/717:59DCA - BKK

2 stops47h 36mUnited Airlines

Deal found 13/6฿33,542

Sun 6/700:05BKK - BWI

3 stops30h 24mMultiple Airlines

Tue 22/706:30BWI - BKK

2 stops28h 15mMultiple Airlines

Deal found 14/6฿35,770

One-way flights from Bangkok to Washington, D.C.
Search for one-way flight options from Bangkok to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated 15 June 2025.

Tue 19/813:30BKK - BWI

2 stops28h 24mMultiple Airlines

Deal found 12/6฿17,336

Fri 27/612:40DMK - IAD

2 stops33h 35mMultiple Airlines

Deal found 13/6฿20,661

Mon 14/713:50BKK - IAD

3 stops32h 25mMultiple Airlines

Deal found 14/6฿20,726

Tue 8/717:55BKK - IAD

2 stops28h 20mAir India

Deal found 12/6฿20,855

Wed 9/709:50BKK - IAD

1 stop36h 25mKorean Air

Deal found 14/6฿20,952

Wed 22/1002:40BKK - IAD

2 stops39h 53mChina Airlines

Deal found 12/6฿21,113

Wed 10/1202:35BKK - BWI

2 stops39h 10mChina Airlines

Deal found 13/6฿21,145

Wed 22/1001:50BKK - IAD

1 stop24h 55mซาอุเดียแอร์ไลน์

Deal found 12/6฿21,307

Fri 29/802:35BKK - DCA

2 stops30h 26mเดลต้า

Deal found 13/6฿21,436

Wed 27/802:35BKK - IAD

2 stops31h 46mเดลต้า

Deal found 13/6฿21,468

Wed 2/707:00BKK - DCA

2 stops25h 48mแอร์แคนาดา

Deal found 14/6฿21,630

Thu 23/1019:35BKK - IAD

1 stop34h 55mAir China

Deal found 12/6฿21,759

Cheapflights Fare Finder

Use the filters below to find and compare flights from Bangkok to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 1/7

23:40-11:45

2 stops47h 05m

Washington, D.C. Dulles Intl

Tue 29/7

13:30-23:25

1 stop22h 55m

฿29,733

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Fri 3/10

15:25-15:45

1 stop35h 20m

Washington, D.C. Dulles Intl

Sat 18/10

18:50-00:10

1 stop42h 20m

฿31,831

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Tue 18/11

08:35-10:19

2 stops37h 44m

Washington, D.C. Reagan-National

Sat 29/11

06:00-06:15

2 stops36h 15m

฿31,992

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Fri 11/7

22:05-16:21

2 stops29h 16m

Washington, D.C. Reagan-National

Fri 25/7

22:08-05:50

2 stops44h 42m

฿33,058

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 7/7

23:30-11:15

1 stop22h 45m

Washington, D.C. Dulles Intl

Tue 22/7

13:30-01:05

1 stop24h 35m

฿33,155

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Tue 1/7

09:35-21:02

2 stops46h 27m

Washington, D.C. Reagan-National

Tue 29/7

17:59-04:35

2 stops47h 36m

฿33,542

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Fri 19/9

21:35-09:38

2 stops47h 03m

Washington, D.C. Dulles Intl

Thu 20/11

22:11-06:15

2 stops44h 04m

฿33,897

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Fri 3/10

13:55-10:05

1 stop31h 10m

Washington, D.C. Dulles Intl

Sun 19/10

08:20-23:55

2 stops28h 35m

฿34,349

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 16/7

09:35-15:45

1 stop41h 10m

Washington, D.C. Dulles Intl

Sat 2/8

22:19-04:35

2 stops43h 16m

฿35,027

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Tue 18/11

09:40-23:31

2 stops25h 51m

Washington, D.C. Reagan-National

Sat 29/11

06:00-23:20

2 stops29h 20m

฿35,511

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 60 results

...

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.?

The best time to book flights from Bangkok to Washington, D.C. is 85 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?

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

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

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.

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.

EVA Air

8.4

Very Good

1,204 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

EVA Air

8.4

Very Good

1,204 reviews

EVA Air

8.4

Very Good

1,204 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Korean Air

8.4

Very Good

1,091 reviews

EVA Air

8.4

Very Good

1,204 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Japan Airlines

8.3

Very Good

1,494 reviews

EVA Air

8.4

Very Good

1,204 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

China Airlines

8.3

Very Good

738 reviews

EVA Air

8.4

Very Good

1,204 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

ANA

8.3

Very Good

886 reviews

EVA Air

8.4

Very Good

1,204 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

What are the cheapest airlines flying from Bangkok to Washington, D.C. round-trip?
Currently priced at ฿31,831, ซาอุเดียแอร์ไลน์ will fly you from Bangkok to Washington, D.C. and back. In addition to ซาอุเดียแอร์ไลน์, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from แอร์แคนาดา and Japan Airlines - these airlines can fly you to your destination from ฿31,992 and ฿33,058, respectively. These flights start at 17% 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 Air India, which is currently one of the cheapest options available, starting at ฿20,855. Korean Air flights start at ฿20,952 while deals on China Airlines start at ฿21,113 one-way.
What are the most popular routes from Bangkok to Washington, D.C.?
The most popular flight routes from Bangkok 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 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

Alternative routes for Bangkok to Washington, D.C.

Chiang Mai to Dulles Intl flights

Chiang Mai to Reagan-National flights

Complete your trip

Washington, D.C. car hire

Washington, D.C. Dulles Intl Airport car hire

Washington, D.C. Reagan-National Airport car hire

Dupont Circle car hire

Georgetown car hire

Downtown car hire

Capitol Hill car hire

Foggy Bottom - West End car hire

Southwest Waterfront car hire

Columbia Heights car hire

Adams Morgan car hire

Anacostia car hire

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

Airline	Cheapest	Average	Flexibility	On-time
ซาอุเดียแอร์ไลน์	Cheapest฿28,442	Average฿31,233	FlexibilityNo cancel fee	On-time86%	Search ซาอุเดียแอร์ไลน์ flights
United Airlines	Cheapest฿31,312	Average฿33,810	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
ANA	Cheapest฿32,863	Average฿40,449	FlexibilityNo cancel fee	On-time80%	Search ANA flights
Korean Air	Cheapest฿33,754	Average฿41,407	FlexibilityNo cancel fee	On-time81%	Search Korean Air flights
Qatar Airways	Cheapest฿39,974	Average฿45,629	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights
Emirates	Cheapest฿42,191	Average฿47,745	FlexibilityNo cancel fee	On-time75%	Search Emirates flights

Fly with Cheapflights

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.

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Cheap flights from Bangkok to Washington, D.C. from ฿17,336

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 19/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Bangkok to Washington, D.C. are usually found in January or February, booked 85 days in advance, depart on a Monday or Tuesday and return on a Thursday

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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 15 June 2025.

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 15 June 2025.

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Use the filters below to find and compare flights from Bangkok to Washington, D.C. that are best for you.

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.

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 13 June 2025.

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 15 June 2025.

Rainfall in Washington, D.C. by month

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

Temperature in Washington, D.C. by month

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

Reviews of airlines servicing Washington, D.C.

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.

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?

What are the cheapest airlines to fly from Bangkok to Washington, D.C. 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?

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

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

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

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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 15 June 2025.