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Washington, D.C.

$548+ 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — WAS
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
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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 December 28, 2025.

This Ovago deal was found by Cheapflights users on 12/26. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/302:20 pmBKK - DCA
2 stops42h 39mANA
Sat 1/37:00 amDCA - BKK
2 stops40h 25mANA
Deal found 12/26$1,450
This United Airlines deal was found by Cheapflights users on 12/26. 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.
Tue 12/304:55 pmBKK - BWI
2 stops40h 59mUnited Airlines
Sat 1/38:00 amBWI - BKK
2 stops39h 25mUnited Airlines
Deal found 12/26$1,541
This CheapOair deal was found by Cheapflights users on 12/26. 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.
Tue 12/303:30 pmBKK - IAD
2 stops39h 50mIndiGo
Sat 1/31:30 pmIAD - BKK
2 stops42h 20mIndiGo
Deal found 12/26$1,795
This FlightHub deal was found by Cheapflights users on 12/26. 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.
Mon 12/292:00 amBKK - IAD
1 stop25h 55mQatar Airways
Sat 1/38:05 pmIAD - BKK
1 stop22h 35mQatar Airways
Deal found 12/26$1,852
This Ovago deal was found by Cheapflights users on 12/26. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:25 pmBKK - IAD
1 stop29h 15mANA
Sat 1/38:15 amIAD - BKK
2 stops32h 55mANA
Deal found 12/26$1,956
This Ovago deal was found by Cheapflights users on 12/26. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:10 amBKK - BWI
2 stops26h 16mANA
Sat 1/38:00 amBWI - BKK
1 stop39h 25mANA
Deal found 12/26$2,028

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 December 28, 2025.

Round-trip from

$936
(SmartFares)

One-way from

$548
(SmartFares)

Popular in

August

Cheapest in

October

Average price

$1,187
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. 3% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 28, 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 2/11

10:10 am-7:20 pm

2 stops45h 10m

Washington, D.C. Dulles Intl

Wed 2/18

9:15 pm-7:50 pm

2 stops34h 35m

$972

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 4/21

10:50 am-5:40 am

2 stops29h 50m

Washington, D.C. Dulles Intl

Sat 9/12

7:18 pm-9:45 am

2 stops27h 27m

$1,029

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Mon 2/2

5:50 pm-6:14 pm

2 stops36h 24m

Baltimore/Washington

Sun 2/15

11:35 am-9:50 am

2 stops34h 15m

$1,047

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Mon 2/2

1:40 pm-9:05 am

2 stops31h 25m

Washington, D.C. Dulles Intl

Sun 2/15

2:35 pm-2:30 am

2 stops23h 55m

$1,059

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Tue 5/26

11:35 am-7:34 am

2 stops30h 59m

Washington, D.C. Dulles Intl

Tue 6/2

5:33 pm-10:25 am

2 stops29h 52m

$1,061

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 4/21

9:35 am-3:40 pm

1 stop41h 05m

Washington, D.C. Dulles Intl

Sat 9/12

10:08 am-4:35 am

2 stops31h 27m

$1,063

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 6/15

9:35 am-3:50 pm

1 stop41h 15m

Washington, D.C. Dulles Intl

Mon 7/27

3:30 pm-4:35 am

2 stops26h 05m

$1,063

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 6/15

9:35 am-3:50 pm

1 stop41h 15m

Washington, D.C. Dulles Intl

Mon 7/20

3:30 pm-4:35 am

2 stops26h 05m

$1,064

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Tue 4/21

1:20 am-10:43 pm

2 stops32h 23m

Washington, D.C. Reagan-National

Tue 9/15

11:00 am-11:10 pm

2 stops25h 10m

$1,065

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Thu 4/23

7:45 am-9:53 pm

2 stops25h 08m

Washington, D.C. Reagan-National

Sun 9/13

8:40 pm-11:10 pm

2 stops39h 30m

$1,068

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/27

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 November is currently the most expensive (average of $1,070). 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 December 28, 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 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 December 28, 2025.
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
1,049 reviews

Overall

8.4

Crew

8.7

Entertainment

7.9

Food

7.7

Boarding

8.5

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

HND - LAX

I always take ANA because of the great service and overall experience.
ANA
8.4
Very good
1,049 reviews
ANA
8.4
Very good
1,049 reviews

Overall

8.4

Crew

8.7

Entertainment

7.9

Food

7.7

Boarding

8.5

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

HND - LAX

I always take ANA because of the great service and overall experience.
Delta
7.9
Good
8,016 reviews
ANA
8.4
Very good
1,049 reviews

Overall

8.4

Crew

8.7

Entertainment

7.9

Food

7.7

Boarding

8.5

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

HND - LAX

I always take ANA because of the great service and overall experience.
Qatar Airways
7.4
Good
3,698 reviews
ANA
8.4
Very good
1,049 reviews

Overall

8.4

Crew

8.7

Entertainment

7.9

Food

7.7

Boarding

8.5

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

HND - LAX

I always take ANA because of the great service and overall experience.
United Airlines
7.4
Good
9,114 reviews
ANA
8.4
Very good
1,049 reviews

Overall

8.4

Crew

8.7

Entertainment

7.9

Food

7.7

Boarding

8.5

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

HND - LAX

I always take ANA because of the great service and overall experience.

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.?

    IndiGo, EVA Air, and United Airlines can get you from Thailand to Washington, D.C. in just under 30h 59m. Your travel time can differ by up to 14h 11m. The distance from Thailand to Washington, D.C. is about 8436 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 SAUDIA, which is currently one of the cheapest options available, starting at $484. Turkish Airlines flights start at $539 while deals on Etihad Airways start at $575 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 November is currently the most expensive (average of $1,070). 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
Hanover
Silver Spring
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Bowie
Largo
McLean
Clinton
Cordova

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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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Taiwan Taoyuan Intl to Reagan-National flights
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Narita to Reagan-National flights
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Kuala Lumpur Intl to Dulles Intl flights
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Manila to Reagan-National flights
Dhaka to Dulles Intl flights
Hong Kong to Dulles Intl flights
Okinawa to Dulles Intl flights
Singapore to Dulles Intl flights
Capital to Dulles Intl flights
Suvarnabhumi to Reagan-National flights
Karachi to Reagan-National flights
Okinawa to Reagan-National flights
Karachi to Dulles Intl flights
Astana to Dulles Intl flights
Ho Chi Minh City to Dulles Intl flights
Cochin to Dulles Intl flights
Singapore to Reagan-National flights
Kuala Lumpur Intl to Reagan-National flights
Colombo 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 December 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$992Average$1,113FlexibilityNo cancel feeOn-time69%
ANACheapest$1,011Average$1,316FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$1,033Average$1,127FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,142Average$1,172FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,392Average$1,430FlexibilityNo cancel feeOn-time75%

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