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Washington, D.C.

$519+ 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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — WAS
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This FlightHub deal was found by Cheapflights users on 1/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:05 am
BKK
-
IAD
2 stops35h 45m
Air Canada
Wed 5/1312:39 pm
IAD
-
BKK
2 stops29h 26m
Air Canada
Deal found 1/28$966
This SmartFares deal was found by Cheapflights users on 1/28. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/242:15 am
BKK
-
DCA
2 stops29h 50m
Multiple Airlines
Wed 3/49:59 am
DCA
-
BKK
2 stops37h 11m
Multiple Airlines
Deal found 1/28$983
This CheapOair deal was found by Cheapflights users on 1/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/710:50 am
BKK
-
IAD
2 stops44h 30m
IndiGo
Sun 2/151:30 pm
IAD
-
BKK
2 stops43h 35m
IndiGo
Deal found 1/28$997
This SmartFares deal was found by Cheapflights users on 1/28. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/281:35 am
BKK
-
DCA
2 stops29h 25m
Multiple Airlines
Wed 7/296:59 pm
DCA
-
BKK
2 stops29h 21m
Multiple Airlines
Deal found 1/28$1,003
This Air Canada deal was found by Cheapflights users on 1/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:45 am
BKK
-
IAD
2 stops43h 35m
Air Canada
Sun 10/259:45 am
IAD
-
BKK
2 stops32h 45m
Air Canada
Deal found 1/29$1,003
This CheapOair deal was found by Cheapflights users on 1/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/710:50 am
BKK
-
IAD
2 stops44h 30m
Multiple Airlines
Sun 2/152:35 pm
IAD
-
BKK
1 stop20h 50m
Multiple Airlines
Deal found 1/28$1,019
This CheapOair deal was found by Cheapflights users on 1/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2510:10 am
BKK
-
IAD
2 stops45h 10m
Multiple Airlines
Wed 3/42:35 pm
IAD
-
BKK
1 stop40h 10m
Multiple Airlines
Deal found 1/28$1,027
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/108:50 am
BKK
-
IAD
2 stops36h 15m
Multiple Airlines
Wed 4/293:10 pm
IAD
-
BKK
1 stop21h 40m
Multiple Airlines
Deal found 1/28$1,036
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:10 pm
BKK
-
IAD
3 stops46h 30m
Multiple Airlines
Wed 4/293:10 pm
IAD
-
BKK
1 stop21h 40m
Multiple Airlines
Deal found 1/28$1,039
This EaseMyTrip deal was found by Cheapflights users on 1/28. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/105:15 pm
BKK
-
DCA
2 stops35h 44m
Multiple Airlines
Wed 4/299:59 am
DCA
-
BKK
2 stops37h 56m
Multiple Airlines
Deal found 1/28$1,041
This CheapOair deal was found by Cheapflights users on 1/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1110:10 am
BKK
-
IAD
2 stops45h 10m
IndiGo
Sat 2/141:30 pm
IAD
-
BKK
2 stops43h 35m
IndiGo
Deal found 1/28$1,042
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1910:50 am
BKK
-
IAD
2 stops34h 15m
Multiple Airlines
Mon 3/233:35 pm
IAD
-
BKK
1 stop20h 50m
Multiple Airlines
Deal found 1/28$1,044

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 January 29, 2026.

Round-trip from

$966
(FlightHub)

One-way from

$519
(Trip.com)

Popular in

August

Cheapest in

October

Average price

$1,275
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. 1% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 29, 2026.
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 - DCA

BKKDCA

Bangkok Suvarnabhumi

Mon 3/2

2:15 am-8:05 pm

2 stops29h 50m

Washington, D.C. Reagan-National

Wed 3/4

9:59 am-11:10 am

2 stops37h 11m

$983

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Mon 5/4

1:35 am-8:00 pm

2 stops29h 25m

Washington, D.C. Reagan-National

Tue 7/28

6:59 pm-10:50 am

2 stops28h 51m

$1,003

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 3/19

10:50 am-10:05 am

2 stops34h 15m

Washington, D.C. Dulles Intl

Mon 3/23

3:35 pm-11:25 pm

1 stop20h 50m

$1,044

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 6/16

9:35 am-10:05 am

1 stop35h 30m

Washington, D.C. Dulles Intl

Thu 8/6

6:20 am-11:55 pm

2 stops30h 35m

$1,063

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sun 2/8

4:55 pm-11:23 am

3 stops30h 28m

Washington, D.C. Dulles Intl

Tue 2/17

6:05 pm-11:25 am

2 stops29h 20m

$1,066

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 3/10

7:10 am-9:18 pm

2 stops25h 08m

Washington, D.C. Dulles Intl

Wed 4/29

10:10 am-9:35 am

3 stops36h 25m

$1,068

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Mon 4/6

8:30 am-8:00 pm

2 stops46h 30m

Washington, D.C. Reagan-National

Fri 4/24

6:59 pm-10:55 am

2 stops28h 56m

$1,071

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Tue 5/5

3:45 pm-5:04 pm

3 stops36h 19m

Washington, D.C. Reagan-National

Tue 7/28

11:30 am-9:35 am

3 stops35h 05m

$1,076

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 2/11

4:55 pm-4:05 pm

3 stops35h 10m

Washington, D.C. Dulles Intl

Sat 2/14

10:05 pm-11:25 am

2 stops49h 20m

$1,076

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 2/26

4:55 pm-11:49 am

3 stops30h 54m

Washington, D.C. Dulles Intl

Thu 3/5

10:05 pm-11:25 am

2 stops49h 20m

$1,077

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

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, June is the cheapest month in which you can book a flight from Bangkok to Washington, D.C. (average of $934). Flying from Bangkok to Washington, D.C. in January is currently the most expensive (average of $1,130). 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.

How much does it cost to fly round-trip from Bangkok to Washington, D.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 January 29, 2026.
Read through reviews of airlines operating flights from Bangkok to Washington, D.C., such as ANA and Qatar Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very good
1,078 reviews

Overall

8.4

Crew

8.7

Comfort

8.2

Boarding

8.5

Entertainment

7.9

Food

7.7

Reviews

1 / 20
10.0
Excellent

Lindsey,Jan 2026

CGK - HND

All of the flight attendants were very nice & attentive. The bathrooms were kept very clean. We have no complaints!
ANA
8.4
Very good
1,078 reviews
ANA
8.4
Very good
1,078 reviews

Overall

8.4

Crew

8.7

Comfort

8.2

Boarding

8.5

Entertainment

7.9

Food

7.7

Reviews

1 / 20
10.0
Excellent

Lindsey,Jan 2026

CGK - HND

All of the flight attendants were very nice & attentive. The bathrooms were kept very clean. We have no complaints!
Qatar Airways
7.4
Good
3,729 reviews
ANA
8.4
Very good
1,078 reviews

Overall

8.4

Crew

8.7

Comfort

8.2

Boarding

8.5

Entertainment

7.9

Food

7.7

Reviews

1 / 20
10.0
Excellent

Lindsey,Jan 2026

CGK - HND

All of the flight attendants were very nice & attentive. The bathrooms were kept very clean. We have no complaints!

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 35h 30m. The distance from Bangkok to Washington, D.C. is about 8792 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 $1,011. Other airlines that can offer you cheap pricing are United Airlines, from $1,038, and Korean Air, from $1,045. ANA 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 IndiGo, which is currently one of the cheapest options available, starting at $471. SAUDIA flights start at $484 while deals on Turkish Airlines start at $539 one-way.

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

    While some choose either Bangkok Suvarnabhumi - Washington, D.C. Reagan-National or Bangkok Suvarnabhumi - Baltimore/Washington, 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, June is the cheapest month in which you can book a flight from Bangkok to Washington, D.C. (average of $934). Flying from Bangkok to Washington, D.C. in January is currently the most expensive (average of $1,130). 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
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

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.
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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
ANACheapest$1,011Average$1,316FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$1,038Average$1,113FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$1,045Average$1,170FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,142Average$1,172FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,392Average$1,430FlexibilityNo cancel feeOn-time75%

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