Cheap flights from Thailand to Washington, D.C. from ฿15,157

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 13/11. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — WAS
14 Oct — 21 Oct1
1 adult
1 adult, Economy

Cheap 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 14 September 2025.

Round-trip from

฿28,254

One-way from

฿15,157

Popular in

August

Cheapest in

January

Average price

฿33,803
27/10-3/11
  • 27/10-3/11
  • 4 total stops
  • 57h 25m total
  • Thailand to Washington, D.C.
13/11
  • 13/11
  • 2 total stops
  • 54h 09m total
  • Thailand to Washington, D.C.
Highest demand for flights based on searches. 4% potential increase in price (฿55,014 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (฿31,206 potential savings vs. average return price).
Average for round-trip flights in September 2025

Find 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 14 September 2025.

Mon 27/1013:20BKK - BWI
2 stops28h 15mMultiple Airlines
Mon 3/1105:35BWI - BKK
2 stops29h 10mMultiple Airlines
Deal found 12/9฿28,254
Sat 25/1022:15BKK - BWI
3 stops43h 20mMultiple Airlines
Tue 28/1013:35BWI - BKK
3 stops34h 40mMultiple Airlines
Deal found 14/9฿33,549
Mon 8/1217:50BKK - BWI
2 stops23h 50mMultiple Airlines
Sun 11/118:55BWI - BKK
2 stops30h 10mMultiple Airlines
Deal found 12/9฿33,644
Tue 16/1210:55BKK - BWI
2 stops30h 45mMultiple Airlines
Sat 3/119:00BWI - BKK
2 stops26h 50mMultiple Airlines
Deal found 14/9฿33,993
Wed 3/1201:15BKK - IAD
1 stop25h 30mซาอุเดียแอร์ไลน์
Fri 2/118:10IAD - BKK
1 stop31h 30mซาอุเดียแอร์ไลน์
Deal found 13/9฿34,913
Fri 24/1013:10BKK - IAD
2 stops29h 23mMultiple Airlines
Tue 4/1118:13IAD - BKK
2 stops30h 22mMultiple Airlines
Deal found 13/9฿35,135
Mon 17/1108:15BKK - DCA
2 stops38h 11mแอร์แคนาดา
Sat 29/1106:00DCA - BKK
2 stops36h 30mแอร์แคนาดา
Deal found 13/9฿35,166
Sat 20/923:40BKK - IAD
2 stops47h 05mIndiGo
Sat 27/921:40IAD - BKK
2 stops38h 00mIndiGo
Deal found 13/9฿35,230
Mon 15/901:20BKK - IAD
2 stops43h 18mแอร์แคนาดา
Tue 30/909:35IAD - BKK
2 stops26h 35mแอร์แคนาดา
Deal found 12/9฿35,325
Sun 7/1200:55BKK - IAD
1 stop20h 55mKorean Air
Sun 11/111:50IAD - BKK
1 stop24h 55mKorean Air
Deal found 12/9฿35,388
Fri 12/1217:40BKK - IAD
2 stops58h 56mMultiple Airlines
Sat 3/118:43IAD - BKK
2 stops29h 52mMultiple Airlines
Deal found 12/9฿35,515
Thu 23/1001:20BKK - IAD
2 stops43h 18mแอร์แคนาดา
Tue 4/1122:11IAD - BKK
2 stops44h 19mแอร์แคนาดา
Deal found 12/9฿35,547

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 14 September 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

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Sun 26/10

00:55-06:35

2 stops40h 40m

Baltimore/Washington

Mon 3/11

05:35-00:45

2 stops31h 10m

฿31,900

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Sat 25/10

22:15-06:35

3 stops43h 20m

Baltimore/Washington

Tue 28/10

13:35-11:15

3 stops34h 40m

฿33,549

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Mon 8/12

17:50-05:40

2 stops23h 50m

Baltimore/Washington

Sun 11/1

18:55-13:05

2 stops30h 10m

฿33,644

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Mon 17/11

08:15-10:26

2 stops38h 11m

Washington, D.C. Reagan-National

Sat 29/11

06:00-06:30

2 stops36h 30m

฿35,166

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Sun 21/12

10:55-05:44

2 stops30h 49m

Baltimore/Washington

Thu 1/1

19:00-13:05

2 stops30h 05m

฿35,642

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 3/11

00:55-09:50

1 stop20h 55m

Washington, D.C. Dulles Intl

Tue 18/11

11:50-23:20

1 stop23h 30m

฿35,705

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 3/11

21:30-09:50

1 stop24h 20m

Washington, D.C. Dulles Intl

Mon 17/11

11:50-23:20

1 stop23h 30m

฿35,705

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Tue 3/3

00:15-23:02

2 stops34h 47m

Washington, D.C. Dulles Intl

Sun 15/3

06:15-22:55

2 stops29h 40m

฿35,737

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Sun 26/10

00:55-18:59

2 stops29h 04m

Washington, D.C. Reagan-National

Mon 3/11

06:00-21:30

2 stops27h 30m

฿35,737

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Sun 21/12

09:40-23:56

2 stops26h 16m

Washington, D.C. Reagan-National

Thu 1/1

06:00-23:20

2 stops29h 20m

฿35,737

Flights are sorted by cheapest return flights first.

Deals found on 13/9

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 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 14 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Thailand to Washington, D.C. as you normally would.

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 14 September 2025.
Get a feel of what it's like to fly with ANA, 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.

Boarding

8.6

Comfort

8.2

Crew

8.7

Entertainment

7.9

Food

7.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me
8.4
Very Good

Boarding

8.6

Comfort

8.2

Crew

8.7

Entertainment

7.9

Food

7.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me

Boarding

8.6

Comfort

8.2

Crew

8.7

Entertainment

7.9

Food

7.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me

Boarding

8.6

Comfort

8.2

Crew

8.7

Entertainment

7.9

Food

7.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me

Boarding

8.6

Comfort

8.2

Crew

8.7

Entertainment

7.9

Food

7.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me

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 20h 55m. 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.

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 14 September 2025.
AirlineCheapestAverageFlexibilityOn-time
ซาอุเดียแอร์ไลน์Cheapest฿27,937Average฿30,679FlexibilityNo cancel feeOn-time86%
Search ซาอุเดียแอร์ไลน์ flights
United AirlinesCheapest฿30,776Average฿32,922FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Korean AirCheapest฿33,155Average฿38,782FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
ANACheapest฿33,597Average฿39,285FlexibilityNo cancel feeOn-time80%
Search ANA flights
Qatar AirwaysCheapest฿38,967Average฿44,820FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
EmiratesCheapest฿41,442Average฿46,897FlexibilityNo cancel feeOn-time75%
Search Emirates 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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