Cheap flights from Thailand to Washington, D.C. from ฿16,978

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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — WAS
27 Jan — 3 Feb1
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 28 December 2025.

Tue 30/1214:20BKK - DCA
2 stops42h 39mANA
Sat 3/107:00DCA - BKK
2 stops40h 25mANA
Deal found 26/12฿44,922
Tue 30/1216:55BKK - BWI
2 stops40h 59mUnited Airlines
Sat 3/108:00BWI - BKK
2 stops39h 25mUnited Airlines
Deal found 26/12฿47,742
Tue 30/1215:30BKK - IAD
2 stops39h 50mIndiGo
Sat 3/113:30IAD - BKK
2 stops42h 20mIndiGo
Deal found 26/12฿55,611
Mon 29/1202:00BKK - IAD
1 stop25h 55mQatar Airways
Sat 3/120:05IAD - BKK
1 stop22h 35mQatar Airways
Deal found 26/12฿57,377
Tue 30/1222:25BKK - IAD
1 stop29h 15mANA
Sat 3/108:15IAD - BKK
2 stops32h 55mANA
Deal found 26/12฿60,599
Tue 30/1207:10BKK - BWI
2 stops26h 16mANA
Sat 3/108:00BWI - BKK
1 stop39h 25mANA
Deal found 26/12฿62,829

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 28 December 2025.

Round-trip from

฿28,998

One-way from

฿16,978

Popular in

August

Cheapest in

October

Average price

฿36,774
10/2-17/2
  • 10/2-17/2
  • 4 total stops
  • 99h 58m total
  • Thailand to Washington, D.C.
10/2
  • 10/2
  • 2 total stops
  • 40h 54m total
  • Thailand to Washington, D.C.
Highest demand for flights based on searches. 3% potential increase in price (฿36,444 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (฿28,771 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 28 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 - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 21/4

10:50-05:40

2 stops29h 50m

Washington, D.C. Dulles Intl

Sat 12/9

19:18-09:45

2 stops27h 27m

฿31,879

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Mon 2/2

17:50-18:14

2 stops36h 24m

Baltimore/Washington

Sun 15/2

11:35-09:50

2 stops34h 15m

฿32,437

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 21/4

07:45-20:32

2 stops23h 47m

Washington, D.C. Dulles Intl

Tue 15/9

22:07-05:15

2 stops44h 08m

฿32,809

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Mon 2/2

13:40-09:05

2 stops31h 25m

Washington, D.C. Dulles Intl

Sun 15/2

14:35-02:30

2 stops23h 55m

฿32,809

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Tue 26/5

11:35-07:34

2 stops30h 59m

Washington, D.C. Dulles Intl

Tue 2/6

17:33-10:25

2 stops29h 52m

฿32,871

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 15/6

09:35-15:50

1 stop41h 15m

Washington, D.C. Dulles Intl

Mon 27/7

15:30-04:35

2 stops26h 05m

฿32,933

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 15/6

09:35-15:50

1 stop41h 15m

Washington, D.C. Dulles Intl

Mon 20/7

15:30-04:35

2 stops26h 05m

฿32,964

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Tue 21/4

01:20-22:43

2 stops32h 23m

Washington, D.C. Reagan-National

Tue 15/9

11:00-23:10

2 stops25h 10m

฿32,995

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Thu 23/4

07:45-21:53

2 stops25h 08m

Washington, D.C. Reagan-National

Sun 13/9

20:40-23:10

2 stops39h 30m

฿33,088

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Thu 23/4

07:45-21:53

2 stops25h 08m

Washington, D.C. Reagan-National

Thu 10/9

06:59-23:10

2 stops29h 11m

฿33,088

Flights are sorted by cheapest return flights first.

Deals found on 27/12

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 ฿28,410). Flying from Thailand to Washington, D.C. in November is currently the most expensive (average of ฿33,150). 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.

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 28 December 2025.
Get a feel of what it's like to fly with Korean Air, เดลต้า, andQatar Airways 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.

Overall

8.5

Food

8.1

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Overall

8.5

Food

8.1

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Overall

8.5

Food

8.1

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Overall

8.5

Food

8.1

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Overall

8.5

Food

8.1

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

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 30h 59m. Airlines will cover a distance of 13576 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 ฿28,410). Flying from Thailand to Washington, D.C. in November is currently the most expensive (average of ฿33,150). 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

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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.

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 17,341 searches. Data last updated 28 December 2025.
AirlineCheapestAverageFlexibilityOn-time
ซาอุเดียแอร์ไลน์Cheapest฿27,295Average฿29,974FlexibilityNo cancel feeOn-time86%
Search ซาอุเดียแอร์ไลน์ flights
United AirlinesCheapest฿30,062Average฿32,128FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
เอทิฮัดแอร์เวย์Cheapest฿30,904Average฿31,277FlexibilityNo cancel feeOn-time75%
Search เอทิฮัดแอร์เวย์ flights
Korean AirCheapest฿31,329Average฿34,875FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
ANACheapest฿32,824Average฿39,011FlexibilityNo cancel feeOn-time80%
Search ANA flights
Qatar AirwaysCheapest฿37,891Average฿42,579FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

Fly with Cheapflights

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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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