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Washington, D.C.

$450+ 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — WAS
Dec 4 — Dec 111
Thu 12/4
Thu 12/11
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 4, 2025.

Round-trip from

$921
(IEagle)

One-way from

$450
(Kiwi.com)

Popular in

August

Cheapest in

July

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. 4% potential increase in price ($55 potential increase over avg. RT price).
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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 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 4, 2025.

This IEagle deal was found by Cheapflights users on 11/3. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/171:30 amBKK - IAD
1 stop29h 00mAir China
Tue 11/2510:00 pmIAD - BKK
1 stop38h 10mAir China
Deal found 11/3$921
This Air China deal was found by Cheapflights users on 11/3. 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 China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/201:30 amBKK - IAD
1 stop29h 00mAir China
Tue 11/2510:00 pmIAD - BKK
1 stop32h 05mAir China
Deal found 11/3$922
This FlightHub deal was found by Cheapflights users on 11/2. 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.
Thu 12/183:20 pmBKK - IAD
1 stop34h 45mSAUDIA
Sat 1/106:10 pmIAD - BKK
1 stop41h 20mSAUDIA
Deal found 11/2$923
This CheapOair deal was found by Cheapflights users on 11/2. 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.
Sun 12/1410:50 amBKK - IAD
2 stops44h 30mIndiGo
Sun 1/49:15 pmIAD - BKK
2 stops35h 50mIndiGo
Deal found 11/2$927
This Air China deal was found by Cheapflights users on 11/3. 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 China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/171:50 pmBKK - IAD
2 stops40h 40mAir China
Tue 11/2510:00 pmIAD - BKK
1 stop32h 05mAir China
Deal found 11/3$932
This Air China deal was found by Cheapflights users on 11/3. 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 China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/31:30 amBKK - IAD
1 stop29h 00mAir China
Tue 11/1810:00 pmIAD - BKK
1 stop32h 05mAir China
Deal found 11/3$942
This Travelocity deal was found by Cheapflights users on 11/4. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/207:30 pmBKK - IAD
1 stop35h 00mMultiple Airlines
Thu 1/152:35 pmIAD - BKK
1 stop20h 45mMultiple Airlines
Deal found 11/4$956
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 11/182:55 amBKK - IAD
1 stop24h 35mEtihad Airways
Wed 1/142:35 pmIAD - BKK
1 stop20h 45mEtihad Airways
Deal found 11/4$957
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Mon 11/171:30 amBKK - IAD
1 stop29h 00mMultiple Airlines
Tue 1/132:35 pmIAD - BKK
1 stop20h 45mMultiple Airlines
Deal found 11/4$966
This CheapOair deal was found by Cheapflights users on 11/2. 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.
Fri 12/1910:50 amBKK - IAD
2 stops44h 30mIndiGo
Fri 1/99:15 pmIAD - BKK
2 stops35h 50mIndiGo
Deal found 11/2$969
This CheapOair deal was found by Cheapflights users on 11/2. 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.
Fri 12/192:55 amBKK - IAD
1 stop42h 10mEtihad Airways
Wed 1/142:35 pmIAD - BKK
1 stop20h 45mEtihad Airways
Deal found 11/2$971
This SmartFares deal was found by Cheapflights users on 11/3. 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 12/2311:50 pmBKK - BWI
2 stops41h 54mMultiple Airlines
Thu 1/17:04 amBWI - BKK
2 stops40h 56mMultiple Airlines
Deal found 11/3$987

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 4, 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 - DCA

BKKDCA

Bangkok Suvarnabhumi

Wed 11/19

8:15 am-8:55 am

2 stops36h 40m

Washington, D.C. Reagan-National

Sun 1/18

6:50 pm-10:30 pm

2 stops39h 40m

$1,028

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Tue 11/18

4:55 pm-4:56 pm

3 stops36h 01m

Washington, D.C. Reagan-National

Tue 11/25

12:00 pm-11:25 am

3 stops35h 25m

$1,043

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 11/18

11:15 pm-9:50 am

1 stop22h 35m

Washington, D.C. Dulles Intl

Tue 11/25

11:50 am-1:25 pm

1 stop37h 35m

$1,047

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Fri 12/19

7:10 am-11:49 pm

2 stops28h 39m

Washington, D.C. Reagan-National

Fri 1/9

2:00 pm-11:25 am

3 stops33h 25m

$1,047

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Fri 11/21

4:55 pm-9:22 pm

3 stops40h 27m

Washington, D.C. Dulles Intl

Sun 11/30

6:00 am-12:20 am

2 stops30h 20m

$1,047

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Fri 2/13

8:55 pm-7:20 pm

2 stops34h 25m

Washington, D.C. Dulles Intl

Fri 2/27

2:35 pm-4:20 am

2 stops25h 45m

$1,060

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sun 2/15

2:15 am-5:55 am

2 stops39h 40m

Washington, D.C. Dulles Intl

Sun 3/22

7:00 am-10:45 am

2 stops40h 45m

$1,075

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Tue 11/18

8:15 am-10:26 am

2 stops38h 11m

Washington, D.C. Reagan-National

Sat 11/29

6:00 am-6:30 am

2 stops36h 30m

$1,101

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 3/4

12:55 am-9:50 am

1 stop20h 55m

Washington, D.C. Dulles Intl

Wed 4/15

1:15 pm-11:40 pm

1 stop23h 25m

$1,107

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 11/20

11:15 pm-9:50 am

1 stop22h 35m

Washington, D.C. Dulles Intl

Wed 11/26

11:50 am-11:20 pm

1 stop23h 30m

$1,107

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

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 $917). Flying from Thailand to Washington, D.C. in December is currently the most expensive (average of $1,084). 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 4, 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 4, 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
8,002 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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
8,002 reviews
Delta
7.9
Good
8,002 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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
3,660 reviews
Delta
7.9
Good
8,002 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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
8,999 reviews
Delta
7.9
Good
8,002 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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.?

    Air Canada, United Airlines, and Korean Air can get you from Thailand to Washington, D.C. in just under 22h 35m. Your travel time can differ by up to 14h 05m. 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 Air China, which is currently one of the cheapest options available, starting at $542. Philippine Airlines flights start at $585 while deals on Korean Air start at $644 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 $917). Flying from Thailand to Washington, D.C. in December is currently the most expensive (average of $1,084). 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
Hyderabad to Dulles Intl flights
Suvarnabhumi to Dulles Intl flights
Mumbai to Dulles Intl flights
Hyderabad to Reagan-National flights
New Delhi to Dulles Intl flights
New Delhi to Reagan-National flights
Incheon Intl to Reagan-National flights
Taiwan Taoyuan Intl to Dulles Intl flights
Manila to Dulles Intl flights
Kathmandu to Dulles Intl flights
Kathmandu to Reagan-National flights
Lahore to Dulles Intl flights
Mumbai to Reagan-National flights
Haneda to Dulles Intl flights
Chennai to Dulles Intl flights
Ahmedabad to Dulles Intl flights
Bangalore to Dulles Intl flights
Manila to Reagan-National flights
Karachi to Dulles Intl flights
Kuala Lumpur Intl to Dulles Intl flights
Ho Chi Minh City to Dulles Intl flights
Chennai to Reagan-National flights
Narita to Dulles Intl flights
Suvarnabhumi to Reagan-National flights
Haneda to Reagan-National flights
Islamabad to Dulles Intl flights
Ahmedabad to Reagan-National flights
Kuala Lumpur Intl to Reagan-National flights
Bangalore to Reagan-National flights
Hong Kong to Dulles Intl flights
Lahore to Reagan-National flights
Narita to Reagan-National flights
Hongqiao Intl to Dulles Intl flights
Taiwan Taoyuan Intl to Reagan-National flights
Dhaka to Dulles Intl flights
Pu Dong to Dulles Intl flights
Singapore to Dulles Intl flights
Capital to Dulles Intl flights
Dhaka to Reagan-National flights
Singapore to Reagan-National flights
Kolkata to Dulles Intl flights
Colombo to Dulles Intl flights
Cochin to Dulles Intl flights
Yerevan 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 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$992Average$1,107FlexibilityNo cancel feeOn-time69%
ANACheapest$1,011Average$1,316FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$1,033Average$1,169FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,143Average$1,196FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,371Average$1,523FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$1,401Average$1,520FlexibilityNo cancel feeOn-time71%

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