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฿16,814+ 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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
— WAS
19 Jun — 26 Jun1
1 adult

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 14 June 2025.

Return from

฿29,837

One-way from

฿16,814

Popular in

August

Cheapest in

January

Average price

฿38,487
Korean Air
  • Korean Air
  • 1/7-29/7
  • 3 total stops
  • 70h 00m total
  • Bangkok to Washington, D.C.
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6/9
  • 6/9
  • 2 total stops
  • 32h 42m total
  • Bangkok to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (฿152,926 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (฿39,021 potential savings vs. average return price).
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Average for return flights in June 2025
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Find flight deals to Washington, D.C.

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 14 June 2025.

Tue 1/723:40BKK - IAD
2 stops47h 05mMultiple Airlines
Tue 29/713:30IAD - BKK
1 stop22h 55mMultiple Airlines
Deal found 13/6฿29,837
Fri 3/1015:25BKK - IAD
1 stop35h 20mซาอุเดียแอร์ไลน์
Sat 18/1018:50IAD - BKK
1 stop42h 20mซาอุเดียแอร์ไลน์
Deal found 12/6฿31,910
Tue 18/1108:35BKK - DCA
2 stops37h 44mแอร์แคนาดา
Sat 29/1106:00DCA - BKK
2 stops36h 15mแอร์แคนาดา
Deal found 14/6฿32,105
Fri 11/722:05BKK - DCA
2 stops29h 16mJapan Airlines
Fri 25/722:08DCA - BKK
2 stops44h 42mJapan Airlines
Deal found 14/6฿33,174
Fri 27/609:35BKK - IAD
2 stops49h 55mUnited Airlines
Mon 30/606:30IAD - BKK
2 stops30h 25mUnited Airlines
Deal found 12/6฿33,562
Tue 1/709:35BKK - DCA
2 stops46h 27mUnited Airlines
Tue 29/717:59DCA - BKK
2 stops47h 36mUnited Airlines
Deal found 13/6฿33,660
Fri 19/921:35BKK - IAD
2 stops47h 03mแอร์แคนาดา
Thu 20/1122:11IAD - BKK
2 stops44h 04mแอร์แคนาดา
Deal found 14/6฿34,016
Tue 18/1109:40BKK - IAD
1 stop36h 10mKorean Air
Sat 29/1111:50IAD - BKK
1 stop24h 55mKorean Air
Deal found 13/6฿34,275
Fri 27/613:55BKK - IAD
1 stop31h 10mANA
Fri 4/715:39IAD - BKK
2 stops27h 21mANA
Deal found 12/6฿34,308
Thu 19/602:35BKK - IAD
2 stops32h 08mเดลต้า
Wed 25/606:20IAD - BKK
2 stops31h 45mเดลต้า
Deal found 12/6฿35,441
Tue 18/1109:40BKK - DCA
2 stops25h 51mเดลต้า
Sat 29/1106:00DCA - BKK
2 stops29h 20mเดลต้า
Deal found 13/6฿35,636
Tue 16/912:35BKK - IAD
1 stop37h 50mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Thu 20/1120:45IAD - BKK
1 stop25h 55mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Deal found 14/6฿35,895

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 14 June 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 - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 1/7

23:40-11:45

2 stops47h 05m

Washington, D.C. Dulles Intl

Tue 29/7

13:30-23:25

1 stop22h 55m

฿29,837

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Fri 3/10

15:25-15:45

1 stop35h 20m

Washington, D.C. Dulles Intl

Sat 18/10

18:50-00:10

1 stop42h 20m

฿31,910

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Tue 18/11

08:35-10:19

2 stops37h 44m

Washington, D.C. Reagan-National

Sat 29/11

06:00-06:15

2 stops36h 15m

฿32,105

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Fri 11/7

22:05-16:21

2 stops29h 16m

Washington, D.C. Reagan-National

Fri 25/7

22:08-05:50

2 stops44h 42m

฿33,174

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Fri 27/6

09:35-00:30

2 stops49h 55m

Washington, D.C. Dulles Intl

Mon 30/6

06:30-23:55

2 stops30h 25m

฿33,562

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Tue 1/7

09:35-21:02

2 stops46h 27m

Washington, D.C. Reagan-National

Tue 29/7

17:59-04:35

2 stops47h 36m

฿33,660

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Fri 19/9

21:35-09:38

2 stops47h 03m

Washington, D.C. Dulles Intl

Thu 20/11

22:11-06:15

2 stops44h 04m

฿34,016

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 18/11

09:40-09:50

1 stop36h 10m

Washington, D.C. Dulles Intl

Sat 29/11

11:50-00:45

1 stop24h 55m

฿34,275

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Fri 27/6

13:55-10:05

1 stop31h 10m

Washington, D.C. Dulles Intl

Fri 4/7

15:39-06:00

2 stops27h 21m

฿34,308

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Tue 18/11

09:40-23:31

2 stops25h 51m

Washington, D.C. Reagan-National

Sat 29/11

06:00-23:20

2 stops29h 20m

฿35,636

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 60 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.

When is the best time to book a flight to Washington, D.C.?

Use this chart to determine the optimal time to book a return flight from Bangkok to Washington, D.C.. Price data was last updated on 9 June 2025.

The best time to book flights to Washington, D.C. is 85 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

On average, a flight from Bangkok to Washington, D.C. takes 27 hours 51 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 most popular airlines that fly to Washington, D.C.?

The most popular airlines flying from Bangkok to Washington, D.C. are United Airlines, ANA and Qatar Airways.

United Airlines
United Airlines
From ฿970
ANA
ANA
From ฿1,018
Qatar Airways
Qatar Airways
From ฿1,238
Emirates
Emirates
From ฿1,307

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 ANA.

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 14 June 2025.
To help decide which airline to fly to Washington, D.C., see what other customers have to say about EVA Air, Korean Air and Japan Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Overall

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very Good
1,204 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Overall

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very Good
1,091 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Overall

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Japan Airlines
8.3
Very Good
1,494 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Overall

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Airlines
8.3
Very Good
738 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Overall

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
ANA
8.3
Very Good
882 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Overall

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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.?

    Baltimore/Washington is currently the cheapest airport to fly to in Washington, D.C.. One-way flights to Baltimore/Washington typically cost ฿3,924, while return flights cost around ฿16,288.

  • How much is a return flight to Washington, D.C.?

    A return flight to Washington, D.C. will typically cost around ฿503, however they can be found for as little as ฿503.

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

    For those looking to save time traveling to Washington, D.C., Chiang Mai offers the quickest one-way flight (21 hours 30 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

Browse thousands of different options on Cheapflights for your next trip

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Airports serving Washington, D.C.

Book a flight to or from one of these Washington, D.C. airports.
Flights to Reagan-National
Flights to Dulles Intl
Flights from Reagan-National
Flights from Dulles Intl

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

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