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ภาษาไทย

฿16,112+ 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 21/12. Fares are subject to change and may not be available on all flights or dates of travel.
— WAS
13 Dec — 20 Dec1
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 13 November 2025.

Tue 18/1115:20BKK - IAD
1 stop35h 25mซาอุเดียแอร์ไลน์
Sat 29/1118:10IAD - BKK
1 stop41h 20mซาอุเดียแอร์ไลน์
Deal found 12/11฿30,246
Thu 13/1123:50BKK - BWI
2 stops42h 28mPhilippine Airlines
Thu 20/1119:16BWI - BKK
2 stops52h 44mPhilippine Airlines
Deal found 12/11฿30,668
Fri 19/1202:55BKK - IAD
1 stop42h 10mเอทิฮัดแอร์เวย์
Wed 14/114:35IAD - BKK
1 stop40h 10mเอทิฮัดแอร์เวย์
Deal found 12/11฿31,478
Mon 17/1102:15BKK - DCA
2 stops29h 45mMultiple Airlines
Mon 24/1109:59DCA - BKK
2 stops37h 11mMultiple Airlines
Deal found 11/11฿32,321
Sun 23/1108:55BKK - IAD
1 stop42h 35mMultiple Airlines
Wed 26/1111:50IAD - BKK
1 stop24h 55mMultiple Airlines
Deal found 11/11฿33,391
Sat 22/1100:55BKK - IAD
1 stop20h 55mKorean Air
Wed 26/1111:50IAD - BKK
1 stop25h 05mKorean Air
Deal found 11/11฿33,845
Tue 18/1121:30BKK - IAD
1 stop24h 20mKorean Air
Sat 29/1111:50IAD - BKK
1 stop24h 55mKorean Air
Deal found 11/11฿33,877
Sun 23/1116:55BKK - DCA
3 stops38h 12mUnited Airlines
Wed 26/1114:51DCA - BKK
3 stops32h 34mUnited Airlines
Deal found 11/11฿33,975
Sun 23/1116:55BKK - IAD
3 stops40h 28mUnited Airlines
Wed 26/1120:04IAD - BKK
2 stops51h 21mUnited Airlines
Deal found 11/11฿33,975
Sat 20/1210:50BKK - IAD
2 stops44h 30mIndiGo
Wed 14/121:15IAD - BKK
2 stops35h 50mIndiGo
Deal found 12/11฿34,007
Mon 17/1110:55BKK - BWI
2 stops31h 23mMultiple Airlines
Sun 23/1119:08BWI - BKK
2 stops26h 42mMultiple Airlines
Deal found 12/11฿34,915
Tue 18/1117:50BKK - IAD
2 stops24h 33mMultiple Airlines
Mon 24/1118:34IAD - BKK
2 stops30h 31mMultiple Airlines
Deal found 11/11฿34,915

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 13 November 2025.

Return from

฿29,598

One-way from

฿16,112

Popular in

August

Cheapest in

October

Average price

฿36,147
9/3-5/5
  • 9/3-5/5
  • 4 total stops
  • 104h 46m total
  • Bangkok to Washington, D.C.
Search Deals
21/12
  • 21/12
  • 3 total stops
  • 34h 40m total
  • Bangkok to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (฿2,123 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿962 potential savings vs. average return price).
Search Deals
Average for return flights in November 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 13 November 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

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Mon 9/3

18:45-17:46

2 stops58h 01m

Baltimore/Washington

Tue 5/5

07:00-16:45

2 stops46h 45m

฿29,598

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Mon 2/3

02:15-20:00

2 stops29h 45m

Washington, D.C. Reagan-National

Wed 15/4

09:30-10:55

2 stops38h 25m

฿32,970

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Thu 22/1

02:15-20:00

2 stops29h 45m

Washington, D.C. Reagan-National

Sat 28/2

09:59-12:35

2 stops38h 36m

฿32,970

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Mon 9/3

17:15-20:00

2 stops37h 45m

Washington, D.C. Reagan-National

Tue 5/5

09:59-10:25

2 stops37h 26m

฿32,970

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sun 1/3

20:50-09:05

1 stop24h 15m

Washington, D.C. Dulles Intl

Thu 14/5

15:35-18:15

1 stop39h 40m

฿33,294

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Tue 5/5

02:40-05:40

2 stops38h 00m

Baltimore/Washington

Wed 13/5

19:40-12:10

2 stops29h 30m

฿33,586

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 6/5

10:50-17:05

2 stops41h 15m

Washington, D.C. Dulles Intl

Wed 13/5

17:30-12:10

2 stops31h 40m

฿33,586

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Sun 1/3

02:15-17:59

2 stops27h 44m

Washington, D.C. Reagan-National

Wed 15/4

09:30-10:55

2 stops38h 25m

฿33,618

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Tue 3/3

16:55-10:55

3 stops30h 00m

Washington, D.C. Reagan-National

Wed 15/4

11:30-09:45

3 stops35h 15m

฿33,877

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Fri 27/2

00:55-09:50

1 stop20h 55m

Washington, D.C. Dulles Intl

Sat 16/5

13:15-01:05

1 stop24h 50m

฿33,877

Flights are sorted by cheapest return flights first.

Deals found on 10/11

Showing 1-10 of 59 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 26 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 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 ฿31,464
ANA
ANA
From ฿34,347
Korean Air
Korean Air
From ฿33,896
Qatar Airways
Qatar Airways
From ฿39,838

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 13 November 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
1,004 reviews
Check prices

Boarding

8.6

Overall

8.4

Food

7.7

Comfort

8.2

Crew

8.7

Entertainment

7.9

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.
ANA
8.4
Very Good
1,004 reviews
ANA
8.4
Very Good
1,004 reviews
Check prices

Boarding

8.6

Overall

8.4

Food

7.7

Comfort

8.2

Crew

8.7

Entertainment

7.9

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.
Korean Air
8.4
Very Good
1,163 reviews
ANA
8.4
Very Good
1,004 reviews
Check prices

Boarding

8.6

Overall

8.4

Food

7.7

Comfort

8.2

Crew

8.7

Entertainment

7.9

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.
Qatar Airways
7.4
Good
3,661 reviews
ANA
8.4
Very Good
1,004 reviews
Check prices

Boarding

8.6

Overall

8.4

Food

7.7

Comfort

8.2

Crew

8.7

Entertainment

7.9

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.
United Airlines
7.4
Good
9,016 reviews
ANA
8.4
Very Good
1,004 reviews
Check prices

Boarding

8.6

Overall

8.4

Food

7.7

Comfort

8.2

Crew

8.7

Entertainment

7.9

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 ฿3,030, while return flights cost around ฿48,861.

  • 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 (24 hours 4 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.?

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

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