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Cheap flights from Thailand to Washington, D.C. from ฿15,088

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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — WAS
4 abr. — 11 abr.1
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 5 marzo 2026.

jue. 16/401:30
BKK
-
IAD
1 stop29h 00m
Air China
vie. 24/423:00
IAD
-
BKK
1 stop38h 10m
Air China
Deal found 3/3฿23,832
lun. 9/319:30
BKK
-
IAD
1 stop35h 00m
Air China
mar. 7/423:00
IAD
-
BKK
1 stop38h 10m
Air China
Deal found 1/3฿24,084
lun. 25/501:30
BKK
-
IAD
1 stop29h 00m
Air China
mar. 26/523:00
IAD
-
BKK
1 stop32h 20m
Air China
Deal found 4/3฿24,747
jue. 27/809:35
BKK
-
IAD
1 stop41h 15m
United Airlines
jue. 10/906:15
IAD
-
BKK
2 stops30h 40m
United Airlines
Deal found 4/3฿25,284
mié. 29/409:35
BKK
-
IAD
2 stops32h 52m
United Airlines
lun. 4/522:05
IAD
-
BKK
2 stops48h 30m
United Airlines
Deal found 4/3฿25,378
mié. 1/709:35
BKK
-
IAD
2 stops48h 44m
United Airlines
mar. 4/806:30
IAD
-
BKK
2 stops30h 25m
United Airlines
Deal found 5/3฿25,473
vie. 4/1216:55
BKK
-
DCA
3 stops26h 24m
United Airlines
mar. 8/1211:30
DCA
-
BKK
3 stops35h 55m
United Airlines
Deal found 3/3฿32,544
mié. 6/515:45
BKK
-
DCA
3 stops29h 45m
United Airlines
mié. 15/711:57
DCA
-
BKK
3 stops34h 38m
United Airlines
Deal found 3/3฿32,765
mar. 28/401:35
BKK
-
DCA
2 stops29h 25m
Multiple Airlines
lun. 4/518:59
DCA
-
BKK
2 stops28h 56m
Multiple Airlines
Deal found 4/3฿32,796
lun. 9/312:45
BKK
-
DCA
2 stops40h 14m
EVA Air
mar. 7/418:41
DCA
-
BKK
2 stops28h 44m
EVA Air
Deal found 28/2฿32,828
mar. 26/511:35
CNX
-
IAD
2 stops30h 59m
EVA Air
mar. 2/617:35
IAD
-
CNX
2 stops29h 50m
EVA Air
Deal found 3/3฿32,986
mié. 6/509:50
BKK
-
DCA
2 stops24h 51m
เดลต้า
jue. 9/706:00
DCA
-
BKK
2 stops28h 45m
เดลต้า
Deal found 4/3฿33,427

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 5 marzo 2026.

Round-trip from

฿23,832

One-way from

฿15,088

Popular in

August

Cheapest in

October

Average price

฿43,339
Air China
  • Air China
  • 16/4-24/4
  • 2 total stops
  • 67h 10m total
  • Thailand to Washington, D.C.
Search Deals
Air China
  • Air China
  • 2/4
  • 1 total stop
  • 31h 25m total
  • Thailand to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (฿17,548 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿31,473 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 5 marzo 2026.
Use the filters below to find and compare flights from Thailand to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

jue. 23/4

21:40-23:32

2 stops36h 52m

Washington, D.C. Dulles Intl

dom. 12/7

07:15-21:45

2 stops27h 30m

฿33,427

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

mar. 1/9

09:35-06:00

2 stops31h 25m

Washington, D.C. Dulles Intl

mar. 3/11

17:15-11:25

3 stops30h 10m

฿33,712

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

mar. 4/8

07:00-07:26

2 stops35h 26m

Washington, D.C. Dulles Intl

mar. 29/9

22:10-09:35

2 stops48h 25m

฿34,217

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

vie. 17/4

10:50-05:40

2 stops29h 50m

Baltimore/Washington

vie. 24/4

18:30-09:45

2 stops28h 15m

฿34,248

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

mié. 1/7

20:50-19:25

2 stops33h 35m

Washington, D.C. Dulles Intl

mié. 5/8

13:20-15:50

1 stop39h 30m

฿34,627

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

mar. 28/7

09:35-07:22

2 stops32h 47m

Washington, D.C. Dulles Intl

mar. 29/9

13:05-09:35

3 stops33h 30m

฿35,258

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

jue. 9/7

07:00-22:15

2 stops26h 15m

Washington, D.C. Reagan-National

mar. 28/7

18:10-09:35

3 stops28h 25m

฿35,353

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

vie. 17/4

15:45-07:50

2 stops27h 05m

Washington, D.C. Dulles Intl

sáb. 2/5

15:15-09:35

3 stops31h 20m

฿35,795

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

mar. 26/5

11:35-07:34

2 stops30h 59m

Washington, D.C. Dulles Intl

mar. 2/6

17:35-10:25

2 stops29h 50m

฿36,110

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

jue. 23/4

23:30-17:00

2 stops28h 30m

Washington, D.C. Reagan-National

mié. 6/5

06:00-23:35

2 stops30h 35m

฿37,310

Flights are sorted by cheapest return flights first.

Deals found on 4/3

Showing 1-10 of 60 resultsSorted by cheapest first
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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, June is the cheapest month in which you can book a flight from Thailand to Washington, D.C. (average of ฿29,482). Flying from Thailand to Washington, D.C. in January is currently the most expensive (average of ฿35,890). 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 5 marzo 2026.
Get a feel of what it's like to fly with เดลต้า and Qatar 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.
เดลต้า
7.9
Good
8,250 reviews
Check prices

Boarding

8.1

Food

7.2

Crew

8.5

Comfort

7.9

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
เดลต้า
7.9
Good
8,250 reviews
เดลต้า
7.9
Good
8,250 reviews
Check prices

Boarding

8.1

Food

7.2

Crew

8.5

Comfort

7.9

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Qatar Airways
7.4
Good
3,745 reviews
เดลต้า
7.9
Good
8,250 reviews
Check prices

Boarding

8.1

Food

7.2

Crew

8.5

Comfort

7.9

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 31h 25m. 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.?

    The most popular route from Thailand to Washington, D.C. is Bangkok Suvarnabhumi - Washington, D.C. Dulles Intl. You may also consider Bangkok Suvarnabhumi - Baltimore/Washington or 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 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, June is the cheapest month in which you can book a flight from Thailand to Washington, D.C. (average of ฿29,482). Flying from Thailand to Washington, D.C. in January is currently the most expensive (average of ฿35,890). 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.
Chiang Mai to Dulles Intl flights
Chiang Mai 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 17,341 searches. Data last updated 5 marzo 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest฿30,629Average฿32,771FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
เอทิฮัดแอร์เวย์Cheapest฿31,487Average฿31,867FlexibilityNo cancel feeOn-time75%
Search เอทิฮัดแอร์เวย์ flights
Korean AirCheapest฿31,920Average฿34,424FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
ANACheapest฿33,443Average฿42,011FlexibilityNo cancel feeOn-time80%
Search ANA flights
Qatar AirwaysCheapest฿35,480Average฿39,086FlexibilityNo cancel feeOn-time68%
Search Qatar Airways 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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