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

$547+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — WAS
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
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.

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 21, 2026.

This CheapOair deal was found by Cheapflights users on 1/20. 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 2/910:10 am
BKK
-
IAD
2 stops45h 10m
IndiGo
Thu 2/199:15 pm
IAD
-
BKK
2 stops35h 50m
IndiGo
Deal found 1/20$931
This CheapOair deal was found by Cheapflights users on 1/20. 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 2/910:10 am
BKK
-
IAD
2 stops45h 10m
Multiple Airlines
Thu 2/192:35 pm
IAD
-
BKK
1 stop20h 50m
Multiple Airlines
Deal found 1/20$963
This SmartFares deal was found by Cheapflights users on 1/20. 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.
Mon 3/25:15 pm
BKK
-
DCA
2 stops38h 50m
Multiple Airlines
Thu 5/79:59 am
DCA
-
BKK
2 stops37h 26m
Multiple Airlines
Deal found 1/20$978
This oojo deal was found by Cheapflights users on 1/21. 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 3/22:15 am
BKK
-
DCA
2 stops29h 50m
EVA Air
Thu 5/79:59 am
DCA
-
BKK
2 stops37h 26m
EVA Air
Deal found 1/21$1,015
This Gotogate deal was found by Cheapflights users on 1/19. 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 4/53:25 pm
BKK
-
IAD
1 stop35h 20m
SAUDIA
Sat 5/26:50 pm
IAD
-
BKK
1 stop42h 15m
SAUDIA
Deal found 1/19$1,018
This Mytrip deal was found by Cheapflights users on 1/20. 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 2/91:40 pm
DMK
-
IAD
2 stops31h 25m
Multiple Airlines
Thu 2/192:35 pm
IAD
-
DMK
2 stops23h 55m
Multiple Airlines
Deal found 1/20$1,020
This SmartFares deal was found by Cheapflights users on 1/20. 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 3/55:15 pm
BKK
-
IAD
2 stops24h 25m
Multiple Airlines
Wed 4/157:00 am
IAD
-
BKK
2 stops40h 55m
Multiple Airlines
Deal found 1/20$1,030
This Expedia deal was found by Cheapflights users on 1/21. 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.
Tue 2/32:15 am
BKK
-
DCA
2 stops29h 45m
Multiple Airlines
Sat 2/79:59 am
DCA
-
BKK
2 stops49h 41m
Multiple Airlines
Deal found 1/21$1,032
This SmartFares deal was found by Cheapflights users on 1/21. 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 3/312:45 pm
BKK
-
BWI
2 stops41h 01m
Multiple Airlines
Thu 5/77:16 pm
BWI
-
BKK
2 stops28h 09m
Multiple Airlines
Deal found 1/21$1,032
This oojo deal was found by Cheapflights users on 1/21. 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 4/2012:25 pm
BKK
-
DCA
2 stops40h 16m
EVA Air
Mon 5/119:59 am
DCA
-
BKK
2 stops37h 56m
EVA Air
Deal found 1/21$1,034
This CheapOair deal was found by Cheapflights users on 1/19. 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 2/2010:10 am
BKK
-
IAD
2 stops45h 10m
Multiple Airlines
Mon 3/22:35 pm
IAD
-
BKK
1 stop20h 50m
Multiple Airlines
Deal found 1/19$1,035
This FlightHub deal was found by Cheapflights users on 1/19. 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.
Tue 4/73:25 pm
BKK
-
IAD
1 stop35h 20m
SAUDIA
Sat 5/26:50 pm
IAD
-
BKK
1 stop31h 50m
SAUDIA
Deal found 1/19$1,037

Find 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 21, 2026.

Round-trip from

$931
(CheapOair)

One-way from

$547
(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

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 21, 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

Mon 3/2

5:15 pm-8:05 pm

2 stops38h 50m

Washington, D.C. Reagan-National

Thu 5/7

9:59 am-10:25 am

2 stops37h 26m

$978

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

Thu 5/7

9:59 am-10:25 am

2 stops37h 26m

$1,015

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Mon 2/9

1:40 pm-9:05 am

2 stops31h 25m

Washington, D.C. Dulles Intl

Thu 2/19

2:35 pm-2:30 am

2 stops23h 55m

$1,020

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Mon 3/2

2:40 pm-8:05 pm

2 stops41h 25m

Washington, D.C. Reagan-National

Mon 4/27

6:59 pm-10:55 am

2 stops28h 56m

$1,032

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Tue 2/3

2:15 am-8:00 pm

2 stops29h 45m

Washington, D.C. Reagan-National

Sat 2/7

9:59 am-11:40 pm

2 stops49h 41m

$1,032

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Tue 3/3

12:45 pm-5:46 pm

2 stops41h 01m

Baltimore/Washington

Thu 5/7

7:16 pm-10:25 am

2 stops28h 09m

$1,032

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Mon 4/20

12:25 pm-5:41 pm

2 stops40h 16m

Washington, D.C. Reagan-National

Mon 5/11

9:59 am-10:55 am

2 stops37h 56m

$1,034

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 4/8

9:59 am-10:55 am

2 stops37h 56m

$1,043

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 4/27

3:10 pm-5:50 am

2 stops25h 40m

Washington, D.C. Dulles Intl

Sun 5/3

7:20 pm-10:25 am

2 stops28h 05m

$1,054

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

Tue 5/5

11:35 am-8:00 pm

2 stops43h 25m

Washington, D.C. Reagan-National

Tue 6/2

8:00 am-10:25 am

2 stops39h 25m

$1,056

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

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 21, 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 21, 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
1,076 reviews

Boarding

8.6

Overall

8.4

Comfort

8.2

Food

7.8

Crew

8.7

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
1,076 reviews
ANA
8.4
Very good
1,076 reviews

Boarding

8.6

Overall

8.4

Comfort

8.2

Food

7.8

Crew

8.7

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
8,088 reviews
ANA
8.4
Very good
1,076 reviews

Boarding

8.6

Overall

8.4

Comfort

8.2

Food

7.8

Crew

8.7

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
3,718 reviews
ANA
8.4
Very good
1,076 reviews

Boarding

8.6

Overall

8.4

Comfort

8.2

Food

7.8

Crew

8.7

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, United Airlines, and Etihad Airways can get you from Thailand to Washington, D.C. in just under 29h 50m. Your travel time can differ by up to 19h 53m. 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 - Washington, D.C. Reagan-National and Bangkok Suvarnabhumi - Baltimore/Washington.

  • 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
Herndon
Fredericksburg
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 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
Mumbai to Dulles Intl flights
Ahmedabad to Dulles Intl flights
New Delhi to Dulles Intl flights
Mumbai to Reagan-National flights
Bangalore to Dulles Intl flights
Incheon Intl to Dulles Intl flights
Chennai to Dulles Intl flights
Haneda to Dulles Intl flights
Lahore to Dulles Intl flights
New Delhi to Reagan-National flights
Ahmedabad to Reagan-National flights
Bangalore to Reagan-National flights
Chennai to Reagan-National flights
Taiwan Taoyuan Intl to Dulles Intl flights
Narita to Dulles Intl flights
Suvarnabhumi to Dulles Intl flights
Hongqiao Intl to Dulles Intl flights
Lahore to Reagan-National flights
Dhaka to Dulles Intl flights
Ho Chi Minh City to Dulles Intl flights
Suvarnabhumi to Reagan-National flights
Manila to Reagan-National flights
Manila to Dulles Intl flights
Nagpur to Dulles Intl flights
Hongqiao Intl to Reagan-National flights
Taiwan Taoyuan Intl to Reagan-National flights
Incheon Intl to Reagan-National flights
Pu Dong to Dulles Intl flights
Kolkata to Dulles Intl flights
Colombo to Dulles Intl flights
Narita to Reagan-National flights
Islamabad to Dulles Intl flights
Kathmandu to Dulles Intl flights
Dhaka to Reagan-National flights
Haneda to Reagan-National flights
Kathmandu to Reagan-National flights
Ho Chi Minh City to Reagan-National flights
Capital to Dulles Intl flights
Singapore to Reagan-National flights
Kuala Lumpur Intl to Dulles Intl flights
Cochin to Dulles Intl flights
Hong Kong to Dulles Intl flights
Pune to Dulles Intl flights
Pu Dong to Reagan-National 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 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$992Average$1,113FlexibilityNo cancel feeOn-time69%
ANACheapest$1,011Average$1,316FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$1,033Average$1,124FlexibilityNo 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.
Site
©2026 Cheapflights