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Washington, D.C.

$489+ 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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — WAS
Dec 25 — Jan 11
Thu 12/25
Thu 1/1
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 November 25, 2025.

Round-trip from

$979
(Trip.com)

One-way from

$489
(Kiwi.com)

Popular in

August

Cheapest in

October

Average price

$1,115
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. 5% potential increase in price ($65 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 25, 2025.

This Gotogate deal was found by Cheapflights users on 11/25. 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.
Thu 12/257:30 pmBKK - IAD
1 stop35h 00mMultiple Airlines
Thu 1/81:30 pmIAD - BKK
2 stops43h 35mMultiple Airlines
Deal found 11/25$1,008
This Mytrip deal was found by Cheapflights users on 11/25. 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 12/198:40 pmDMK - IAD
2 stops30h 05mMultiple Airlines
Tue 1/62:35 pmIAD - DMK
2 stops25h 50mMultiple Airlines
Deal found 11/25$1,011
This United Airlines deal was found by Cheapflights users on 11/23. 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.
Fri 12/194:55 pmBKK - DCA
3 stops30h 01mUnited Airlines
Tue 1/67:59 pmDCA - BKK
2 stops40h 21mUnited Airlines
Deal found 11/23$1,049
This Mytrip deal was found by Cheapflights users on 11/23. 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 12/198:05 pmBKK - IAD
2 stops30h 40mMultiple Airlines
Tue 1/62:35 pmIAD - BKK
1 stop20h 45mMultiple Airlines
Deal found 11/23$1,097
This Trip.com deal was found by Cheapflights users on 11/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/221:30 amBKK - IAD
1 stop29h 00mAir China
Tue 12/3010:00 pmIAD - BKK
1 stop32h 05mAir China
Deal found 11/23$1,105
This United Airlines deal was found by Cheapflights users on 11/23. 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.
Fri 12/194:55 pmBKK - IAD
3 stops29h 29mUnited Airlines
Tue 1/66:00 pmIAD - BKK
2 stops47h 10mUnited Airlines
Deal found 11/23$1,108
This Expedia deal was found by Cheapflights users on 11/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/242:15 amBKK - DCA
2 stops30h 24mMultiple Airlines
Thu 1/89:59 amDCA - BKK
2 stops38h 36mMultiple Airlines
Deal found 11/25$1,120
This CheapOair deal was found by Cheapflights users on 11/24. 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 12/2010:10 amBKK - IAD
2 stops45h 10mIndiGo
Wed 1/149:15 pmIAD - BKK
2 stops35h 50mIndiGo
Deal found 11/24$1,122
This Mytrip deal was found by Cheapflights users on 11/25. 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.
Thu 12/257:25 pmDMK - IAD
2 stops35h 05mMultiple Airlines
Thu 1/82:35 pmIAD - DMK
2 stops25h 55mMultiple Airlines
Deal found 11/25$1,130
This SmartFares deal was found by Cheapflights users on 11/23. 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.
Fri 12/198:55 amBKK - IAD
1 stop36h 10mEtihad Airways
Tue 1/62:35 pmIAD - BKK
1 stop20h 45mEtihad Airways
Deal found 11/23$1,165
This oojo deal was found by Cheapflights users on 11/24. 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.
Fri 12/192:55 amBKK - IAD
1 stop42h 10mEtihad Airways
Wed 1/142:35 pmIAD - BKK
1 stop20h 45mEtihad Airways
Deal found 11/24$1,169
This United Airlines deal was found by Cheapflights users on 11/23. 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.
Mon 12/224:55 pmBKK - IAD
3 stops35h 29mUnited Airlines
Mon 12/296:01 pmIAD - BKK
2 stops47h 09mUnited Airlines
Deal found 11/23$1,170

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 November 25, 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

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 1/21

1:20 pm-4:26 pm

2 stops39h 06m

Washington, D.C. Dulles Intl

Thu 1/29

2:35 pm-11:20 pm

1 stop20h 45m

$1,009

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Fri 12/19

8:40 pm-2:45 pm

2 stops30h 05m

Washington, D.C. Dulles Intl

Tue 1/6

2:35 pm-4:25 am

2 stops25h 50m

$1,011

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 3/25

9:30 pm-10:50 am

1 stop24h 20m

Washington, D.C. Dulles Intl

Tue 5/12

3:35 pm-11:55 pm

1 stop21h 20m

$1,012

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Tue 5/5

2:40 am-5:40 am

2 stops38h 00m

Baltimore/Washington

Wed 5/13

7:40 pm-12:10 pm

2 stops29h 30m

$1,034

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 5/5

2:40 am-5:05 pm

2 stops49h 25m

Washington, D.C. Dulles Intl

Wed 5/13

5:30 pm-12:10 pm

2 stops31h 40m

$1,034

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 3/5

9:40 am-9:50 am

1 stop36h 10m

Washington, D.C. Dulles Intl

Wed 4/15

1:15 pm-11:40 pm

1 stop23h 25m

$1,043

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 3/25

4:55 pm-11:49 am

3 stops29h 54m

Washington, D.C. Dulles Intl

Tue 5/12

12:15 pm-4:35 am

1 stop29h 20m

$1,046

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Fri 12/19

4:55 pm-10:56 am

3 stops30h 01m

Washington, D.C. Reagan-National

Tue 1/6

7:59 pm-12:20 am

2 stops40h 21m

$1,049

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Fri 4/3

3:40 pm-2:14 pm

3 stops33h 34m

Washington, D.C. Reagan-National

Sat 4/18

7:59 pm-4:35 am

2 stops45h 36m

$1,055

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Fri 4/3

3:40 pm-5:30 pm

3 stops36h 50m

Washington, D.C. Dulles Intl

Sat 4/18

10:05 pm-4:35 am

2 stops43h 30m

$1,055

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

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, March is the cheapest month in which you can book a flight from Thailand to Washington, D.C. (average of $918). Flying from Thailand to Washington, D.C. in December is currently the most expensive (average of $1,072). 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 November 25, 2025.

When flying from Thailand to Washington, D.C., the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 19% versus a flight in the evening.

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

Use this chart to determine the cheapest time to fly round-trip from Thailand to Washington, D.C.. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Thailand to Washington, D.C. flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 25, 2025.
Read through reviews of airlines operating flights from Thailand to Washington, D.C., such as Delta, Qatar Airways, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,998 reviews

Crew

8.5

Entertainment

7.9

Overall

7.9

Comfort

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Crew

8.5

Entertainment

7.9

Overall

7.9

Comfort

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Qatar Airways
7.4
Good
3,675 reviews
Delta
7.9
Good
7,998 reviews

Crew

8.5

Entertainment

7.9

Overall

7.9

Comfort

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,046 reviews
Delta
7.9
Good
7,998 reviews

Crew

8.5

Entertainment

7.9

Overall

7.9

Comfort

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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, United Airlines, and Delta can get you from Thailand to Washington, D.C. in just under 30h 01m. Your travel time can differ by up to 6h 09m. The distance from Thailand to Washington, D.C. is about 8797 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 Philippine Airlines, which is currently one of the cheapest options available, starting at $563. Air Canada flights start at $611 while deals on Korean Air start at $625 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, March is the cheapest month in which you can book a flight from Thailand to Washington, D.C. (average of $918). Flying from Thailand to Washington, D.C. in December is currently the most expensive (average of $1,072). 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
Tysons
Woodbridge
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Waldorf
Bowie
Largo
McLean

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
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Mumbai to Dulles Intl flights
Haneda to Dulles Intl flights
Suvarnabhumi to Dulles Intl flights
New Delhi to Reagan-National flights
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Hyderabad to Reagan-National flights
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Mumbai to Reagan-National flights
Incheon Intl to Reagan-National flights
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Hongqiao Intl to Reagan-National flights
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Kathmandu to Dulles Intl flights
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Bangalore to Reagan-National flights
Ahmedabad to Reagan-National flights
Karachi to Dulles Intl flights
Islamabad to Dulles Intl flights
Manila to Dulles Intl flights
Haneda to Reagan-National flights
Islamabad to Reagan-National flights
Pu Dong to Reagan-National flights
Suvarnabhumi to Reagan-National flights
Narita to Reagan-National flights
Lahore to Reagan-National flights
Kuala Lumpur Intl to Dulles Intl flights
Capital to Dulles Intl flights
Taiwan Taoyuan Intl to Reagan-National flights
Nagpur to Dulles Intl flights
Kathmandu to Reagan-National flights
Chennai to Reagan-National flights
Manila to Reagan-National flights
Kolkata to Dulles Intl flights
Cochin to Dulles Intl flights
Colombo to Dulles Intl flights
Dhaka to Dulles Intl flights
Yerevan to Dulles Intl flights
Ho Chi Minh City 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 November 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$992Average$1,099FlexibilityNo cancel feeOn-time69%
ANACheapest$1,011Average$1,307FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$1,033Average$1,163FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,143Average$1,184FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,371Average$1,523FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$1,401Average$1,520FlexibilityNo cancel feeOn-time71%

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