฿14,899+ Cheap flights to Washington, D.C.

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.
— WAS
3 dez — 10 dez1
1 adult
1 adult, Economy, 0 bags

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Cheapest flights to Washington, D.C.
Explore the most affordable flight options available to Washington, D.C.. Find the lowest fares based on data from user searches, with prices last updated on 3 novembro 2025.

sáb 20/1210:50BKK - IAD
2 stops44h 30mIndiGo
qua 14/113:30IAD - BKK
2 stops43h 35mIndiGo
Deal found 1/11฿29,282
qui 18/1201:30BKK - IAD
1 stop29h 00mAir China
sex 9/122:00IAD - BKK
1 stop32h 05mAir China
Deal found 2/11฿29,701
seg 15/1201:30BKK - IAD
1 stop29h 00mAir China
sex 9/122:00IAD - BKK
1 stop32h 05mAir China
Deal found 2/11฿29,734
qui 18/1215:20BKK - IAD
1 stop34h 45mซาอุเดียแอร์ไลน์
sáb 10/118:10IAD - BKK
1 stop41h 20mซาอุเดียแอร์ไลน์
Deal found 2/11฿29,766
dom 14/1210:50BKK - IAD
2 stops44h 30mIndiGo
dom 4/121:15IAD - BKK
2 stops35h 50mIndiGo
Deal found 2/11฿29,895
seg 3/1101:30BKK - IAD
1 stop29h 00mAir China
ter 18/1122:00IAD - BKK
1 stop32h 05mAir China
Deal found 1/11฿30,314
dom 14/1210:50BKK - IAD
2 stops44h 30mMultiple Airlines
dom 4/110:40IAD - BKK
1 stop20h 45mMultiple Airlines
Deal found 2/11฿31,153
dom 21/1210:50BKK - IAD
2 stops44h 30mIndiGo
qui 1/113:30IAD - BKK
2 stops42h 20mIndiGo
Deal found 1/11฿31,185
sex 19/1210:50BKK - IAD
2 stops44h 30mIndiGo
sex 9/121:15IAD - BKK
2 stops35h 50mIndiGo
Deal found 2/11฿31,249
sex 19/1202:55BKK - IAD
1 stop42h 10mเอทิฮัดแอร์เวย์
qua 14/114:35IAD - BKK
1 stop20h 45mเอทิฮัดแอร์เวย์
Deal found 2/11฿31,314
sex 19/1207:10BKK - DCA
2 stops28h 39mUnited Airlines
sex 9/114:00DCA - BKK
3 stops33h 25mUnited Airlines
Deal found 2/11฿33,765
ter 18/1108:15BKK - DCA
2 stops26h 20mแอร์แคนาดา
sáb 29/1106:00DCA - BKK
2 stops36h 30mแอร์แคนาดา
Deal found 2/11฿34,152

Flights to Washington, D.C. in 2025

Find the latest flights to Washington, D.C. in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 17,341 searches and data was last updated on 3 novembro 2025.

Return from

฿29,282

One-way from

฿14,899

Popular in

August

Cheapest in

July

Average price

฿35,958
IndiGo
  • IndiGo
  • 20/12-14/1
  • 4 total stops
  • 88h 05m total
  • Bangkok to Washington, D.C.
13/11
  • 13/11
  • 3 total stops
  • 50h 05m total
  • Bangkok to Washington, D.C.
Highest demand for flights based on searches. 4% potential increase in price (฿1,784 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (฿927 potential savings vs. average return price).
Average for return flights in November 2025

Cheapflights Fare Finder

 
Locate flights to Washington, D.C. that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 17,341 searches and data was last updated on 3 novembro 2025.
Use the filters below to find and compare flights to Washington, D.C. that are best for you.

Fly from

Bangkok

Route

Depart

Return

Price

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

sex 19/12

07:10-23:49

2 stops28h 39m

Washington, D.C. Reagan-National

sex 9/1

14:00-11:25

3 stops33h 25m

฿33,765

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

ter 18/11

08:15-22:35

2 stops26h 20m

Washington, D.C. Reagan-National

sáb 29/11

06:00-06:30

2 stops36h 30m

฿34,152

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

qua 18/2

08:00-20:30

2 stops24h 30m

Washington, D.C. Dulles Intl

dom 22/2

09:45-06:30

2 stops32h 45m

฿34,345

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

dom 15/2

02:15-05:55

2 stops39h 40m

Washington, D.C. Dulles Intl

dom 22/3

07:00-10:45

2 stops40h 45m

฿34,668

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

qua 4/3

00:55-09:50

1 stop20h 55m

Washington, D.C. Dulles Intl

qua 15/4

13:15-23:40

1 stop23h 25m

฿35,700

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

dom 21/12

02:05-23:27

2 stops33h 22m

Washington, D.C. Dulles Intl

dom 11/1

06:00-00:55

2 stops30h 55m

฿36,054

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

ter 10/3

00:55-16:32

2 stops26h 37m

Washington, D.C. Reagan-National

dom 15/3

10:00-00:45

2 stops27h 45m

฿36,087

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

seg 16/2

09:40-09:50

1 stop36h 10m

Washington, D.C. Dulles Intl

dom 22/3

12:50-23:20

1 stop23h 30m

฿36,087

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

qua 17/12

08:15-08:55

2 stops36h 40m

Washington, D.C. Reagan-National

dom 11/1

18:50-22:30

2 stops39h 40m

฿36,087

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

dom 21/12

09:40-22:01

2 stops24h 21m

Washington, D.C. Reagan-National

seg 12/1

19:30-00:45

2 stops41h 15m

฿36,183

Flights are sorted by cheapest return flights first.

Deals found on 2/11

Showing 1-10 of 58 results
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Best time to book a flight to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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 to Washington, D.C.

How long is the flight to Washington, D.C.?

On average, a flight from Bangkok to Washington, D.C. takes 27 hours 27 minutes. Flights to Washington, D.C. from other popular cities in Thailand will vary in length. Below are a few examples of popular routes and their flight times.

What are the cheapest airlines that fly to Washington, D.C.?

The cheapest airlines flying from Bangkok to Washington, D.C. are ซาอุเดียแอร์ไลน์, United Airlines and Korean Air.

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 mm 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 3 novembro 2025.
Read reviews from past customers who have flown ANA, Korean Air, andQatar Airways to the United States. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.4

Entertainment

7.9

Boarding

8.6

Comfort

8.2

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
8.4
Very Good

Overall

8.4

Entertainment

7.9

Boarding

8.6

Comfort

8.2

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.

Overall

8.4

Entertainment

7.9

Boarding

8.6

Comfort

8.2

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.

Overall

8.4

Entertainment

7.9

Boarding

8.6

Comfort

8.2

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.

Overall

8.4

Entertainment

7.9

Boarding

8.6

Comfort

8.2

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.

FAQs about flying to Washington, D.C.

  • Can I find cheaper flights to Washington, D.C. if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Washington, D.C. on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Washington, D.C.?

    Based on reviews from Cheapflights users, ซาอุเดียแอร์ไลน์ is rated the highest out of the airlines that fly to Washington, D.C..

  • What is the cheapest airport to fly to in Washington, D.C.?

    Washington, D.C. Reagan-National is currently the cheapest airport to fly to in Washington, D.C.. One-way flights to Washington, D.C. Reagan-National typically cost ฿3,015, while return flights cost around ฿48,606.

  • Where does the fastest flight to Washington, D.C. depart from?

    For those looking to save time traveling to Washington, D.C., Bangkok offers the quickest one-way flight (25 hours 26 minutes).

  • Does Washington, D.C. Dulles Intl have rental cars?

    Yes. Those touching down at Washington, D.C. Dulles Intl can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Washington, D.C. Dulles Intl?

    Yes. Washington, D.C. Dulles Intl has hotels nearby for those requiring accommodations. Sleepbox Lounge Iad, Dulles International Airport is the closest property to Washington, D.C. Dulles Intl (0.0 km away from Washington, D.C. Dulles Intl).

See more FAQs

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Airports serving Washington, D.C.

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

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

Cheapflights helps you find that perfect flight to Washington, D.C. by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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Users can book flights with no change fees policies with our dedicated filters. Book flights to Washington, D.C. flexibly with Cheapflights today.

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