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Washington, D.C.

$464+ Cheap flights from Thailand 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — WAS
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Thailand to Washington, D.C.

Keep the following information in mind while searching for Thailand to Washington, D.C. flight deals. Data was last updated September 17, 2025.

Round-trip from

$891
(Mytrip)

One-way from

$464
(Booking.com)

Popular in

August

Cheapest in

January

Average price

$1,066
From Thailand to Washington, D.C. (WAS)
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One-way flight from Thailand to Washington, D.C. (WAS)
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Highest demand for flights based on searches. 4% potential increase in price ($54 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Thailand to Washington, D.C.

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

This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/31:20 pmBKK - BWI
2 stops29h 15mMultiple Airlines
Mon 11/106:00 amBWI - BKK
2 stops29h 00mMultiple Airlines
Deal found 9/16$891
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:20 pmBKK - BWI
2 stops28h 15mMultiple Airlines
Fri 11/76:00 amBWI - BKK
2 stops29h 00mMultiple Airlines
Deal found 9/15$928
This Mytrip deal was found by Cheapflights users on 9/17. 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 10/31:30 pmBKK - BWI
2 stops28h 31mMultiple Airlines
Tue 10/75:35 amBWI - BKK
2 stops29h 50mMultiple Airlines
Deal found 9/17$974
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/287:00 pmBKK - BWI
3 stops28h 26mMultiple Airlines
Thu 10/25:45 amBWI - BKK
2 stops31h 05mMultiple Airlines
Deal found 9/15$992
This China Airlines deal was found by Cheapflights users on 9/15. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/155:30 pmBKK - DCA
2 stops38h 44mMultiple Airlines
Wed 10/226:59 pmDCA - BKK
2 stops34h 21mMultiple Airlines
Deal found 9/15$1,100
This Air Canada deal was found by Cheapflights users on 9/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/221:20 amBKK - IAD
2 stops43h 18mAir Canada
Mon 11/179:00 amIAD - BKK
2 stops33h 30mAir Canada
Deal found 9/15$1,102
This Booking.com deal was found by Cheapflights users on 9/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/58:15 amBKK - IAD
2 stops39h 08mMultiple Airlines
Wed 12/311:30 pmIAD - BKK
1 stop37h 35mMultiple Airlines
Deal found 9/16$1,107
This oojo deal was found by Cheapflights users on 9/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/205:40 pmBKK - IAD
2 stops48h 33mMultiple Airlines
Wed 1/146:55 pmIAD - BKK
2 stops33h 35mMultiple Airlines
Deal found 9/15$1,109
This SmartFares deal was found by Cheapflights users on 9/16. 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.
Thu 12/45:40 pmBKK - IAD
2 stops48h 35mMultiple Airlines
Wed 12/317:33 amIAD - BKK
2 stops41h 02mMultiple Airlines
Deal found 9/16$1,112
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/283:15 pmBKK - IAD
2 stops35h 55mMultiple Airlines
Thu 10/21:30 pmIAD - BKK
2 stops46h 10mMultiple Airlines
Deal found 9/15$1,113
This Booking.com deal was found by Cheapflights users on 9/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2012:55 amBKK - IAD
1 stop20h 55mMultiple Airlines
Tue 12/21:30 pmIAD - BKK
1 stop26h 50mMultiple Airlines
Deal found 9/16$1,114
This Gotogate deal was found by Cheapflights users on 9/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/151:50 amBKK - IAD
1 stop24h 55mMultiple Airlines
Tue 9/231:30 pmIAD - BKK
2 stops46h 10mMultiple Airlines
Deal found 9/15$1,115

Cheapflights Fare Finder

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

Fly from

Thailand

Fly to

Washington, D.C.

Route

Depart

Return

Price

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Fri 10/31

11:50 pm-10:29 pm

3 stops33h 39m

Baltimore/Washington

Fri 11/7

6:00 am-11:00 pm

2 stops29h 00m

$999

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Mon 12/8

5:50 pm-5:40 am

2 stops23h 50m

Baltimore/Washington

Sun 1/11

6:55 pm-1:05 pm

2 stops30h 10m

$1,062

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Sun 11/2

2:35 am-6:18 am

2 stops39h 43m

Baltimore/Washington

Mon 11/17

7:38 am-9:50 am

2 stops38h 12m

$1,104

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 11/3

11:15 pm-9:50 am

1 stop22h 35m

Washington, D.C. Dulles Intl

Mon 11/10

11:50 am-12:45 am

1 stop24h 55m

$1,115

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 12/4

11:15 pm-9:50 am

1 stop22h 35m

Washington, D.C. Dulles Intl

Wed 12/31

11:50 am-1:25 pm

1 stop37h 35m

$1,115

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Fri 2/27

12:55 am-9:50 am

1 stop20h 55m

Washington, D.C. Dulles Intl

Sat 5/16

1:15 pm-11:40 pm

1 stop23h 25m

$1,116

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Wed 12/17

12:55 am-4:34 pm

2 stops27h 39m

Washington, D.C. Reagan-National

Sun 1/4

6:00 am-11:20 pm

2 stops29h 20m

$1,118

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Sun 12/21

9:40 am-10:00 pm

2 stops24h 20m

Washington, D.C. Reagan-National

Thu 1/1

6:00 am-12:45 am

2 stops30h 45m

$1,118

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Thu 10/30

12:55 am-4:00 pm

2 stops26h 05m

Washington, D.C. Reagan-National

Fri 11/7

6:00 am-11:20 pm

2 stops29h 20m

$1,118

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Thu 11/20

12:55 am-4:02 pm

2 stops27h 07m

Washington, D.C. Reagan-National

Tue 12/2

6:59 am-11:20 pm

2 stops28h 21m

$1,118

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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

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

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

Currently, August is the cheapest month in which you can book a flight from Thailand to Washington, D.C. (average of $292). Flying from Thailand to Washington, D.C. in April is currently the most expensive (average of $337). 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 TH to WAS?

Find hourly flight availability from Thailand 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 September 17, 2025.

When flying from Thailand to Washington, D.C., the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 17, 2025.
Read through reviews of airlines operating flights from Thailand to Washington, D.C., such as ANA, Korean Air, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very good
964 reviews

Comfort

8.2

Crew

8.7

Food

7.7

Overall

8.4

Entertainment

7.9

Boarding

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me
ANA
8.4
Very good
964 reviews
ANA
8.4
Very good
964 reviews

Comfort

8.2

Crew

8.7

Food

7.7

Overall

8.4

Entertainment

7.9

Boarding

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me
Korean Air
8.4
Very good
1,140 reviews
ANA
8.4
Very good
964 reviews

Comfort

8.2

Crew

8.7

Food

7.7

Overall

8.4

Entertainment

7.9

Boarding

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me
Delta
8.0
Very good
7,961 reviews
ANA
8.4
Very good
964 reviews

Comfort

8.2

Crew

8.7

Food

7.7

Overall

8.4

Entertainment

7.9

Boarding

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me
Qatar Airways
7.4
Good
3,622 reviews
ANA
8.4
Very good
964 reviews

Comfort

8.2

Crew

8.7

Food

7.7

Overall

8.4

Entertainment

7.9

Boarding

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me
United Airlines
7.4
Good
8,926 reviews
ANA
8.4
Very good
964 reviews

Comfort

8.2

Crew

8.7

Food

7.7

Overall

8.4

Entertainment

7.9

Boarding

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me

Related info for your journey

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

    Korean Air, Delta, and Air China can get you from Thailand to Washington, D.C. in just under 22h 35m. Your travel time can differ by up to 8h 50m. The distance from Thailand to Washington, D.C. is about 8792 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Thailand 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 $477. Air Canada flights start at $519 while deals on Korean Air start at $672 one-way.

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

    The most popular flight routes from Thailand 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 Thailand to Washington, D.C. that include hotel bookings?

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Thailand to Washington, D.C. (average of $292). Flying from Thailand to Washington, D.C. in April is currently the most expensive (average of $337). 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
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
National Harbor
Dundalk

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Thailand to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
Incheon Intl to Dulles Intl flights
Suvarnabhumi to Dulles Intl flights
Taiwan Taoyuan Intl to Dulles Intl flights
New Delhi to Dulles Intl flights
Suvarnabhumi to Reagan-National flights
Incheon Intl to Reagan-National flights
Haneda to Dulles Intl flights
New Delhi to Reagan-National flights
Hyderabad to Dulles Intl flights
Lahore to Dulles Intl flights
Hyderabad to Reagan-National flights
Narita to Dulles Intl flights
Mumbai to Dulles Intl flights
Ahmedabad to Dulles Intl flights
Mumbai to Reagan-National flights
Taiwan Taoyuan Intl to Reagan-National flights
Manila to Dulles Intl flights
Bangalore to Dulles Intl flights
Narita to Reagan-National flights
Haneda to Reagan-National flights
Lahore to Reagan-National flights
Karachi to Dulles Intl flights
Kathmandu to Dulles Intl flights
Islamabad to Dulles Intl flights
Manila to Reagan-National flights
Bangalore to Reagan-National flights
Yerevan to Dulles Intl flights
Ho Chi Minh City to Dulles Intl flights
Hong Kong to Dulles Intl flights
Chennai to Dulles Intl flights
Dhaka to Dulles Intl flights
Hongqiao Intl to Dulles Intl flights
Hong Kong to Reagan-National flights
Islamabad to Reagan-National flights
Shenyang to Dulles Intl flights
Kolkata to Dulles Intl flights
Capital to Dulles Intl flights
Guangzhou to Dulles Intl flights
Dhaka to Reagan-National flights
Kathmandu to Reagan-National flights
Pu Dong to Dulles Intl flights
Guangzhou to Reagan-National flights
Chennai to Reagan-National flights
Chiang Mai to Dulles Intl flights
Trivandrum to Dulles Intl flights

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

Discover the top 6 airlines that operate flights from Thailand 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$992Average$1,159FlexibilityNo cancel feeOn-time69%
ANACheapest$1,015Average$1,187FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$1,043Average$1,219FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,143Average$1,201FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,371Average$1,545FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$1,401Average$1,520FlexibilityNo cancel feeOn-time71%

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