Cheap flights from Thailand to Washington, D.C. from ฿16,932

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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — WAS
7 Jan — 14 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Thailand to Washington, D.C.

Enter your travel dates to find the best prices.

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 8 December 2025.

Thu 25/1201:30BKK - IAD
1 stop29h 00mAir China
Fri 2/122:00IAD - BKK
1 stop35h 30mAir China
Deal found 7/12฿31,764
Sun 21/1210:10BKK - IAD
1 stop37h 35mเตอร์กิชแอร์ไลน์
Thu 1/113:30IAD - BKK
1 stop31h 10mเตอร์กิชแอร์ไลน์
Deal found 7/12฿33,483
Sat 20/1215:30BKK - IAD
2 stops39h 50mIndiGo
Wed 14/113:30IAD - BKK
2 stops43h 35mIndiGo
Deal found 6/12฿34,947
Fri 26/1208:15BKK - IAD
2 stops24h 44mMultiple Airlines
Fri 2/114:35IAD - BKK
1 stop40h 10mMultiple Airlines
Deal found 7/12฿35,202
Fri 19/1202:00BKK - IAD
1 stop25h 55mMultiple Airlines
Wed 14/120:05IAD - BKK
1 stop29h 00mMultiple Airlines
Deal found 6/12฿35,584
Sat 20/1219:50BKK - IAD
1 stop24h 30mQatar Airways
Wed 14/120:05IAD - BKK
1 stop28h 10mQatar Airways
Deal found 6/12฿35,647
Wed 24/1216:55BKK - IAD
3 stops30h 53mUnited Airlines
Sun 4/118:01IAD - BKK
2 stops47h 09mUnited Airlines
Deal found 6/12฿35,775
Sat 20/1202:55BKK - IAD
1 stop42h 10mเอทิฮัดแอร์เวย์
Fri 2/114:35IAD - BKK
1 stop40h 10mเอทิฮัดแอร์เวย์
Deal found 8/12฿37,493
Thu 11/1202:55BKK - IAD
1 stop24h 35mเอทิฮัดแอร์เวย์
Sat 3/114:35IAD - BKK
1 stop20h 50mเอทิฮัดแอร์เวย์
Deal found 6/12฿39,594
Mon 22/1219:30BKK - IAD
1 stop35h 00mAir China
Fri 2/122:00IAD - BKK
1 stop32h 05mAir China
Deal found 6/12฿40,262
Wed 24/1218:40DMK - IAD
2 stops32h 05mMultiple Airlines
Sun 4/114:35IAD - DMK
3 stops34h 15mMultiple Airlines
Deal found 6/12฿43,286
Fri 26/1216:55BKK - DCA
3 stops29h 04mUnited Airlines
Fri 2/111:00DCA - BKK
3 stops36h 25mUnited Airlines
Deal found 7/12฿44,814

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 8 December 2025.

Round-trip from

฿31,764

One-way from

฿16,932

Popular in

August

Cheapest in

October

Average price

฿40,262
Air China
  • Air China
  • 25/12-2/1
  • 2 total stops
  • 64h 30m total
  • Thailand to Washington, D.C.
7/3
  • 7/3
  • 3 total stops
  • 53h 45m total
  • Thailand to Washington, D.C.
Highest demand for flights based on searches. 2% potential increase in price (฿33,809 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (฿29,942 potential savings vs. average return price).
Average for round-trip flights in December 2025

Cheapflights Fare Finder

 
Customise 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 17,341 searches. Data last updated 8 December 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

Thu 29/1

14:40-20:00

2 stops41h 20m

Washington, D.C. Reagan-National

Tue 10/2

09:59-11:30

2 stops37h 31m

฿31,923

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Wed 28/1

17:15-20:00

2 stops38h 45m

Washington, D.C. Reagan-National

Tue 10/2

09:59-11:30

2 stops37h 31m

฿31,923

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Wed 28/1

08:15-12:19

2 stops40h 04m

Washington, D.C. Reagan-National

Wed 11/2

06:00-22:30

2 stops28h 30m

฿32,942

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Thu 29/1

08:15-12:19

2 stops40h 04m

Washington, D.C. Reagan-National

Wed 11/2

06:00-22:30

2 stops28h 30m

฿32,942

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Thu 22/1

14:40-20:00

2 stops41h 20m

Washington, D.C. Reagan-National

Thu 29/1

09:59-11:10

2 stops37h 11m

฿32,942

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Thu 29/1

08:15-12:19

2 stops40h 04m

Washington, D.C. Reagan-National

Mon 9/2

11:05-00:20

2 stops49h 15m

฿32,942

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Mon 26/1

08:15-21:58

2 stops49h 43m

Washington, D.C. Reagan-National

Tue 10/2

16:15-00:20

2 stops44h 05m

฿33,069

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 22/1

09:10-09:10

1 stop36h 00m

Washington, D.C. Dulles Intl

Thu 29/1

13:05-11:25

3 stops34h 20m

฿33,260

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 5/3

09:40-09:50

1 stop36h 10m

Washington, D.C. Dulles Intl

Wed 15/4

13:15-13:15

1 stop37h 00m

฿33,260

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 13/5

21:40-11:15

1 stop24h 35m

Washington, D.C. Dulles Intl

Wed 3/6

13:30-13:15

1 stop36h 45m

฿33,260

Flights are sorted by cheapest return flights first.

Deals found on 7/12

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 return 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 ฿29,186). Flying from Thailand to Washington, D.C. in November is currently the most expensive (average of ฿34,056). 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 8 December 2025.

It’s optimal to fly from Thailand to Washington, D.C. at midday. By choosing this option you can save up to 62% on the cost of your flight, compared to a flight in the evening.

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 8 December 2025.
Get a feel of what it's like to fly with ANA, Korean Air, andเดลต้า from Thailand to Washington, D.C. by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.6

Comfort

8.2

Crew

8.7

Overall

8.4

Food

7.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support
8.4
Very Good

Boarding

8.6

Comfort

8.2

Crew

8.7

Overall

8.4

Food

7.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support

Boarding

8.6

Comfort

8.2

Crew

8.7

Overall

8.4

Food

7.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support

Boarding

8.6

Comfort

8.2

Crew

8.7

Overall

8.4

Food

7.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support

Boarding

8.6

Comfort

8.2

Crew

8.7

Overall

8.4

Food

7.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support

Boarding

8.6

Comfort

8.2

Crew

8.7

Overall

8.4

Food

7.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support

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.?

    Departing from Thailand to Washington, D.C. will take you 36h. Airlines will cover a distance of 14149 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from Thailand to Washington, D.C.?

  • 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 holiday 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 ฿29,186). Flying from Thailand to Washington, D.C. in November is currently the most expensive (average of ฿34,056). 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

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.

Top 7 airlines flying from Thailand to Washington, D.C.

Discover the top 7 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 17,341 searches. Data last updated 8 December 2025.
AirlineCheapestAverageFlexibilityOn-time
ซาอุเดียแอร์ไลน์Cheapest฿28,041Average฿30,793FlexibilityNo cancel feeOn-time86%
Search ซาอุเดียแอร์ไลน์ flights
United AirlinesCheapest฿30,891Average฿32,670FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
เอทิฮัดแอร์เวย์Cheapest฿31,749Average฿32,132FlexibilityNo cancel feeOn-time75%
Search เอทิฮัดแอร์เวย์ flights
Korean AirCheapest฿32,185Average฿35,828FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
ANACheapest฿33,722Average฿41,386FlexibilityNo cancel feeOn-time80%
Search ANA flights
Qatar AirwaysCheapest฿39,112Average฿46,544FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
EmiratesCheapest฿41,596Average฿45,781FlexibilityNo cancel feeOn-time75%
Search Emirates flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Thailand to Washington, D.C.?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Thailand to Washington, D.C.. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Thailand to Washington, D.C.?

Cheapflights simply makes it quick and affordable to book flights from Thailand to Washington, D.C. by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Thailand to Washington, D.C. with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Thailand to Washington, D.C., users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Thailand to Washington, D.C. become cheaper?

Yes! Start tracking prices for Thailand to Washington, D.C. flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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