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ภาษาไทย

฿14,736+ 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 22/12. Fares are subject to change and may not be available on all flights or dates of travel.
— WAS
3 Jan — 10 Jan1
1 adult
1 adult, Economy, 0 bags

Flights to Washington, D.C. in 2025

Enter your travel dates to find the best prices.

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 4 December 2025.

Mon 22/1219:30BKK - IAD
1 stop35h 00mAir China
Fri 2/122:00IAD - BKK
1 stop35h 30mAir China
Deal found 3/12฿28,834
Thu 25/1201:30BKK - IAD
1 stop29h 00mAir China
Fri 2/122:00IAD - BKK
1 stop35h 30mAir China
Deal found 3/12฿29,791
Sat 20/1210:50BKK - IAD
2 stops44h 30mIndiGo
Wed 14/113:30IAD - BKK
2 stops43h 35mIndiGo
Deal found 2/12฿35,277
Sat 20/1218:55BKK - IAD
1 stop33h 00mQatar Airways
Wed 14/120:05IAD - BKK
1 stop29h 00mQatar Airways
Deal found 2/12฿35,692
Mon 22/1208:55BKK - IAD
1 stop36h 10mเอทิฮัดแอร์เวย์
Fri 2/114:35IAD - BKK
1 stop40h 10mเอทิฮัดแอร์เวย์
Deal found 4/12฿37,574
Sat 20/1216:55BKK - IAD
3 stops30h 50mUnited Airlines
Mon 5/107:45IAD - BKK
2 stops33h 25mUnited Airlines
Deal found 4/12฿37,829
Sat 20/1216:55BKK - DCA
3 stops29h 04mUnited Airlines
Mon 5/106:00DCA - BKK
2 stops30h 20mUnited Airlines
Deal found 4/12฿37,925
Sat 20/1210:50BKK - IAD
2 stops44h 30mIndiGo
Mon 5/113:30IAD - BKK
2 stops43h 35mIndiGo
Deal found 3/12฿39,711
Sat 20/1222:05BKK - DCA
2 stops32h 52mJapan Airlines
Mon 5/116:50DCA - BKK
2 stops59h 35mJapan Airlines
Deal found 4/12฿39,998
Sun 21/1209:25BKK - IAD
1 stop35h 40mเอทิฮัดแอร์เวย์
Fri 2/114:35IAD - BKK
1 stop40h 10mเอทิฮัดแอร์เวย์
Deal found 4/12฿40,381
Sat 20/1216:55BKK - DCA
3 stops29h 04mUnited Airlines
Sun 4/114:45DCA - BKK
3 stops32h 40mUnited Airlines
Deal found 2/12฿40,668
Tue 30/1208:05BKK - DCA
2 stops24h 54mJapan Airlines
Tue 6/117:30DCA - BKK
2 stops34h 55mJapan Airlines
Deal found 1/12฿44,240

Find flight deals to Washington, D.C.

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 4 December 2025.

Return from

฿28,834

One-way from

฿14,736

Popular in

August

Cheapest in

October

Average price

฿43,443
Air China
  • Air China
  • 22/12-2/1
  • 2 total stops
  • 70h 30m total
  • Bangkok to Washington, D.C.
Search Deals
22/12
  • 22/12
  • 3 total stops
  • 52h 02m total
  • Bangkok to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (฿1,838 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿925 potential savings vs. average return price).
Search Deals
Average for return flights in December 2025
Search Deals

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 4 December 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

Wed 11/3

02:15-20:05

2 stops28h 50m

Washington, D.C. Reagan-National

Tue 17/3

18:59-10:45

2 stops28h 46m

฿31,450

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Thu 12/3

07:10-21:45

2 stops25h 35m

Washington, D.C. Reagan-National

Tue 28/4

14:00-09:45

3 stops32h 45m

฿33,427

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sun 8/2

23:55-15:49

2 stops51h 54m

Washington, D.C. Dulles Intl

Sun 15/2

22:09-05:10

2 stops43h 01m

฿33,427

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Sun 8/2

07:10-20:56

2 stops25h 46m

Washington, D.C. Reagan-National

Sun 15/2

15:30-11:25

3 stops55h 55m

฿33,427

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Thu 12/3

07:10-21:45

2 stops25h 35m

Washington, D.C. Reagan-National

Tue 17/3

15:30-11:25

3 stops32h 55m

฿33,427

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sun 8/2

07:10-06:47

2 stops35h 37m

Washington, D.C. Dulles Intl

Sun 15/2

22:30-11:25

3 stops48h 55m

฿33,427

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 5/3

21:30-09:50

1 stop24h 20m

Washington, D.C. Dulles Intl

Wed 15/4

13:15-23:40

1 stop23h 25m

฿33,555

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Wed 11/2

16:05-17:46

2 stops37h 41m

Baltimore/Washington

Wed 18/3

18:55-11:30

2 stops29h 35m

฿33,842

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 9/4

11:35-05:10

2 stops52h 35m

Washington, D.C. Dulles Intl

Sun 19/4

15:35-23:55

1 stop21h 20m

฿34,002

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Thu 9/4

15:40-14:14

3 stops33h 34m

Washington, D.C. Reagan-National

Sun 19/4

06:00-04:35

2 stops35h 35m

฿34,002

Flights are sorted by cheapest return flights first.

Deals found on 2/12

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.

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

On average, a flight from Bangkok to Washington, D.C. takes 27 hours 41 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 Korean Air.

United Airlines
United Airlines
From ฿30,957
ANA
ANA
From ฿33,794
Korean Air
Korean Air
From ฿32,255
Qatar Airways
Qatar Airways
From ฿39,196

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 เอทิฮัดแอร์เวย์.

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 4 December 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.
ANA
8.4
Very Good
1,017 reviews
Check prices

Food

7.7

Comfort

8.2

Overall

8.4

Entertainment

7.9

Crew

8.7

Boarding

8.6

Reviews

1 / 20
10.0
Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support
ANA
8.4
Very Good
1,017 reviews
ANA
8.4
Very Good
1,017 reviews
Check prices

Food

7.7

Comfort

8.2

Overall

8.4

Entertainment

7.9

Crew

8.7

Boarding

8.6

Reviews

1 / 20
10.0
Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support
Korean Air
8.4
Very Good
1,177 reviews
ANA
8.4
Very Good
1,017 reviews
Check prices

Food

7.7

Comfort

8.2

Overall

8.4

Entertainment

7.9

Crew

8.7

Boarding

8.6

Reviews

1 / 20
10.0
Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support
Qatar Airways
7.4
Good
3,678 reviews
ANA
8.4
Very Good
1,017 reviews
Check prices

Food

7.7

Comfort

8.2

Overall

8.4

Entertainment

7.9

Crew

8.7

Boarding

8.6

Reviews

1 / 20
10.0
Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support
United Airlines
7.4
Good
9,065 reviews
ANA
8.4
Very Good
1,017 reviews
Check prices

Food

7.7

Comfort

8.2

Overall

8.4

Entertainment

7.9

Crew

8.7

Boarding

8.6

Reviews

1 / 20
10.0
Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support

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 ฿2,982, while return flights cost around ฿48,074.

  • 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 (23 hours 19 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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How does Cheapflights help users find flights to Washington, D.C.?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights 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 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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