HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington, D.C.

$564+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — WAS
Feb 11 — Feb 181
Wed 2/11
Wed 2/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Thailand to Washington, D.C. with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 January 12, 2026.

Round-trip from

$909
(CheapOair)

One-way from

$564
(Kiwi.com)

Popular in

August

Cheapest in

October

Average price

$1,275
From Thailand to Washington, D.C. (WAS)
Search Deals
One-way flight from Thailand 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).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 12, 2026.

This CheapOair deal was found by Cheapflights users on 1/11. 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.
Mon 2/210:10 amBKK - IAD
2 stops45h 10mIndiGo
Sat 2/211:30 pmIAD - BKK
2 stops43h 35mIndiGo
Deal found 1/11$909
This CheapOair deal was found by Cheapflights users on 1/11. 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 2/810:10 amBKK - IAD
2 stops45h 10mIndiGo
Sun 2/159:15 pmIAD - BKK
2 stops35h 50mIndiGo
Deal found 1/11$916
This Gotogate deal was found by Cheapflights users on 1/11. 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.
Tue 2/1010:50 amBKK - IAD
2 stops44h 30mMultiple Airlines
Tue 2/172:35 pmIAD - BKK
1 stop20h 50mMultiple Airlines
Deal found 1/11$920
This Gotogate deal was found by Cheapflights users on 1/11. 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.
Sun 2/810:10 amBKK - IAD
2 stops45h 10mMultiple Airlines
Sun 2/152:35 pmIAD - BKK
1 stop20h 50mMultiple Airlines
Deal found 1/11$962
This Booking.com deal was found by Cheapflights users on 1/11. 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.
Mon 2/210:10 amBKK - IAD
2 stops45h 10mMultiple Airlines
Sat 2/212:35 pmIAD - BKK
1 stop20h 50mMultiple Airlines
Deal found 1/11$963
This SmartFares deal was found by Cheapflights users on 1/11. 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 amBKK - DCA
2 stops29h 50mMultiple Airlines
Wed 3/49:59 amDCA - BKK
2 stops37h 11mMultiple Airlines
Deal found 1/11$974
This Gotogate deal was found by Cheapflights users on 1/11. 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.
Wed 2/2510:50 amBKK - IAD
2 stops44h 30mMultiple Airlines
Wed 3/42:35 pmIAD - BKK
1 stop20h 50mMultiple Airlines
Deal found 1/11$979
This Trip.com deal was found by Cheapflights users on 1/10. 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.
Sun 3/293:25 pmBKK - IAD
1 stop35h 20mSAUDIA
Fri 5/86:50 pmIAD - BKK
1 stop31h 55mSAUDIA
Deal found 1/10$983
This Gotogate deal was found by Cheapflights users on 1/10. 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.
Tue 2/243:30 pmBKK - IAD
2 stops39h 50mMultiple Airlines
Tue 3/32:35 pmIAD - BKK
1 stop20h 50mMultiple Airlines
Deal found 1/10$985
This oojo deal was found by Cheapflights users on 1/11. 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.
Mon 2/92:15 amBKK - DCA
2 stops29h 45mMultiple Airlines
Tue 2/179:59 amDCA - BKK
2 stops36h 46mMultiple Airlines
Deal found 1/11$990
This SmartFares deal was found by Cheapflights users on 1/11. 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 3/242:15 amBKK - DCA
2 stops26h 26mMultiple Airlines
Tue 5/129:59 amDCA - BKK
2 stops37h 26mMultiple Airlines
Deal found 1/11$993
This SmartFares deal was found by Cheapflights users on 1/11. 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.
Sun 2/85:15 pmBKK - DCA
2 stops38h 45mMultiple Airlines
Sun 2/159:59 amDCA - BKK
2 stops36h 46mMultiple Airlines
Deal found 1/11$1,004

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 January 12, 2026.
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

Sun 2/8

5:15 pm-8:00 pm

2 stops38h 45m

Washington, D.C. Reagan-National

Sun 2/15

9:59 am-10:45 am

2 stops36h 46m

$1,004

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Thu 1/22

2:15 am-8:00 pm

2 stops29h 45m

Washington, D.C. Reagan-National

Thu 1/29

9:59 am-10:45 am

2 stops36h 46m

$1,010

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Tue 3/24

12:45 pm-5:41 pm

2 stops39h 56m

Washington, D.C. Reagan-National

Tue 4/7

9:59 am-10:55 am

2 stops37h 56m

$1,030

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Sun 2/8

12:45 pm-8:00 pm

2 stops43h 15m

Washington, D.C. Reagan-National

Sun 2/15

9:59 am-11:10 am

2 stops37h 11m

$1,040

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Tue 5/26

5:20 pm-7:34 am

2 stops49h 14m

Washington, D.C. Dulles Intl

Tue 6/2

5:33 pm-4:20 pm

2 stops35h 47m

$1,051

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Fri 3/6

7:10 am-9:45 pm

2 stops26h 35m

Washington, D.C. Reagan-National

Sat 3/21

7:30 am-11:25 am

3 stops40h 55m

$1,062

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 3/4

7:10 am-8:47 pm

2 stops25h 37m

Washington, D.C. Dulles Intl

Thu 5/7

8:15 am-4:35 am

2 stops33h 20m

$1,062

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Tue 3/3

2:15 am-5:59 pm

2 stops27h 44m

Washington, D.C. Reagan-National

Thu 5/7

9:59 am-10:25 am

2 stops37h 26m

$1,065

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Tue 3/3

11:50 am-5:20 pm

2 stops41h 30m

Washington, D.C. Dulles Intl

Thu 4/2

7:00 am-10:25 am

2 stops40h 25m

$1,072

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Sun 2/8

4:55 pm-10:56 am

3 stops30h 01m

Washington, D.C. Reagan-National

Sun 2/15

6:00 am-12:20 am

2 stops30h 20m

$1,077

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/11

Showing 1-10 of 60 results
1
2
3
...
6

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, June is the cheapest month in which you can book a flight from Thailand to Washington, D.C. (average of $934). Flying from Thailand 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.

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 January 12, 2026.

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 in the evening, which can drop the price by up to 45% versus a flight at noon.

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 March 30, 2025.

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 January 12, 2026.
Read through reviews of airlines operating flights from Thailand to Washington, D.C., such as ANA, Delta, 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
1,065 reviews

Boarding

8.5

Crew

8.7

Overall

8.4

Comfort

8.2

Food

7.7

Entertainment

7.9

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
1,065 reviews
ANA
8.4
Very good
1,065 reviews

Boarding

8.5

Crew

8.7

Overall

8.4

Comfort

8.2

Food

7.7

Entertainment

7.9

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!
Delta
7.9
Good
8,036 reviews
ANA
8.4
Very good
1,065 reviews

Boarding

8.5

Crew

8.7

Overall

8.4

Comfort

8.2

Food

7.7

Entertainment

7.9

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
3,711 reviews
ANA
8.4
Very good
1,065 reviews

Boarding

8.5

Crew

8.7

Overall

8.4

Comfort

8.2

Food

7.7

Entertainment

7.9

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 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.?

    EVA Air, STARLUX Airlines, and Qatar Airways can get you from Thailand to Washington, D.C. in just under 29h 45m. Your travel time can differ by up to 19h 29m. 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 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 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, June is the cheapest month in which you can book a flight from Thailand to Washington, D.C. (average of $934). Flying from Thailand 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
Hanover
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Bowie
Largo
McLean
Clinton
Cordova

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 Thailand to Washington, D.C.

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

Top 5 airlines flying from Thailand to Washington, D.C.

Discover the top 5 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 January 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$992Average$1,113FlexibilityNo cancel feeOn-time69%
ANACheapest$1,011Average$1,316FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$1,033Average$1,138FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,142Average$1,172FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,392Average$1,430FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.