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Cheap flights from Thailand to Washington, D.C. from ฿15,554

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 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — WAS
6 May — 13 May1
1 adult

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 1 May 2025.

Round-trip from

฿33,478

One-way from

฿15,554

Popular in

August

Cheapest in

November

Average price

฿38,084
Air China
  • Air China
  • 29/5-6/6
  • 2 total stops
  • 61h 10m total
  • Thailand to Washington, D.C.
13/5
  • 13/5
  • 2 total stops
  • 42h 24m total
  • Thailand to Washington, D.C.
Highest demand for flights based on searches. 8% potential increase in price (฿115,271 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (฿37,865 potential savings vs. average return price).
Average for round-trip flights in May 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 1 May 2025.

Thu 29/501:30BKK - IAD
1 stop29h 00mAir China
Fri 6/623:00IAD - BKK
1 stop32h 10mAir China
Deal found 29/4฿33,478
Tue 18/1109:40BKK - IAD
1 stop36h 10mKorean Air
Sat 29/1111:50IAD - BKK
1 stop24h 55mKorean Air
Deal found 30/4฿33,544
Wed 3/909:35BKK - IAD
2 stops32h 16mUnited Airlines
Tue 30/913:20IAD - BKK
2 stops28h 15mUnited Airlines
Deal found 30/4฿33,644
Sat 5/715:25BKK - IAD
2 stops35h 20mซาอุเดียแอร์ไลน์
Sun 3/818:50IAD - BKK
1 stop114h 20mซาอุเดียแอร์ไลน์
Deal found 30/4฿33,778
Tue 18/1109:40BKK - DCA
2 stops24h 36mเดลต้า
Sat 29/1106:00DCA - BKK
2 stops29h 20mเดลต้า
Deal found 29/4฿35,914
Tue 18/1109:40BKK - IAD
2 stops26h 27mเดลต้า
Sat 29/1106:10IAD - BKK
2 stops29h 10mเดลต้า
Deal found 29/4฿35,914
Thu 15/512:50BKK - IAD
1 stop37h 25mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Mon 2/620:45IAD - BKK
1 stop26h 00mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Deal found 29/4฿36,215
Wed 3/916:45BKK - BWI
2 stops23h 48mMultiple Airlines
Tue 30/919:22BWI - BKK
2 stops28h 03mMultiple Airlines
Deal found 30/4฿36,715
Tue 18/1108:35BKK - DCA
2 stops37h 44mแอร์แคนาดา
Sat 29/1116:00DCA - BKK
2 stops50h 15mแอร์แคนาดา
Deal found 30/4฿36,949
Sat 3/509:35BKK - DCA
2 stops47h 07mUnited Airlines
Sat 10/508:05DCA - BKK
2 stops52h 50mUnited Airlines
Deal found 28/4฿36,982
Tue 18/1108:35BKK - IAD
2 stops38h 41mแอร์แคนาดา
Sat 29/1122:05IAD - BKK
2 stops44h 10mแอร์แคนาดา
Deal found 30/4฿37,182
Tue 7/1002:30BKK - IAD
1 stop24h 10mQatar Airways
Wed 15/1021:00IAD - BKK
1 stop28h 55mQatar Airways
Deal found 30/4฿37,717

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 1 May 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

Thu 29/5

01:30-19:30

1 stop29h 00m

Washington, D.C. Dulles Intl

Fri 6/6

23:00-18:10

1 stop32h 10m

฿33,478

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 3/9

09:35-06:51

2 stops32h 16m

Washington, D.C. Dulles Intl

Tue 30/9

13:20-04:35

2 stops28h 15m

฿33,644

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sat 5/7

15:25-15:45

2 stops35h 20m

Washington, D.C. Dulles Intl

Sun 3/8

18:50-00:10

1 stop114h 20m

฿33,778

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 3/9

21:40-10:55

1 stop24h 15m

Washington, D.C. Dulles Intl

Tue 30/9

13:15-01:05

1 stop24h 50m

฿35,547

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 15/5

12:50-15:15

1 stop37h 25m

Washington, D.C. Dulles Intl

Mon 2/6

20:45-09:45

1 stop26h 00m

฿36,215

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Wed 3/9

16:45-05:33

2 stops23h 48m

Baltimore/Washington

Tue 30/9

19:22-10:25

2 stops28h 03m

฿36,715

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 5/6

02:35-05:52

2 stops38h 17m

Washington, D.C. Dulles Intl

Sun 13/7

19:36-13:15

2 stops30h 39m

฿37,616

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 7/10

02:30-15:40

1 stop24h 10m

Washington, D.C. Dulles Intl

Wed 15/10

21:00-12:55

1 stop28h 55m

฿37,717

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 7/10

01:50-20:05

2 stops29h 15m

Washington, D.C. Dulles Intl

Wed 15/10

21:40-12:00

2 stops27h 20m

฿37,850

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Fri 20/6

17:30-21:42

2 stops39h 12m

Washington, D.C. Reagan-National

Tue 22/7

18:58-09:45

2 stops27h 47m

฿37,950

Flights are sorted by cheapest return flights first.

Deals found on 30/4

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 1 May 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.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. when rainfall is around 66.0 mm.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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 1 May 2025.
Read reviews from past customers who have flown EVA Air, Korean Air and Japan Airlines from Thailand to Washington, D.C.. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
8.3
Very Good

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

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.
  • What are the cheapest airlines to fly from Thailand to Washington, D.C. one-way?

    The cheapest airline one-way is ซาอุเดียแอร์ไลน์, with whom users have recently found tickets for as low as ฿19,292. However, be on the lookout for offers from Korean Air and IndiGo, as they are both options that can get you from Thailand to Washington, D.C. for a low price.

  • 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

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 1 May 2025.
AirlineCheapestAverageFlexibilityOn-time
ซาอุเดียแอร์ไลน์Cheapest฿29,406Average฿32,292FlexibilityNo cancel feeOn-time86%
Search ซาอุเดียแอร์ไลน์ flights
United AirlinesCheapest฿32,373Average฿34,901FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Korean AirCheapest฿34,899Average฿43,321FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
ANACheapest฿35,052Average฿41,205FlexibilityNo cancel feeOn-time80%
Search ANA flights
เดลต้าCheapest฿36,831Average฿50,029FlexibilityNo cancel feeOn-timeN/A
Search เดลต้า flights
Qatar AirwaysCheapest฿41,330Average฿46,471FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
EmiratesCheapest฿43,622Average฿49,363FlexibilityNo 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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