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Thailand (ภาษาไทย)
ภาษาไทย

฿12,621+ 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 16/10. Fares are subject to change and may not be available on all flights or dates of travel.
— WAS
10 Nov — 17 Nov1
1 adult
1 adult, Economy

Find flight deals to Washington, D.C.

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 11 October 2025.

Tue 25/1112:15BKK - BWI
3 stops33h 21mMultiple Airlines
Tue 2/1214:26BWI - BKK
3 stops32h 49mMultiple Airlines
Deal found 11/10฿33,024
Mon 24/1112:45BKK - IAD
2 stops29h 33mMultiple Airlines
Tue 10/218:04IAD - BKK
2 stops29h 26mMultiple Airlines
Deal found 9/10฿34,496
Mon 10/1114:40BKK - IAD
2 stops27h 43mMultiple Airlines
Wed 10/1207:34IAD - BKK
2 stops39h 36mMultiple Airlines
Deal found 10/10฿34,528
Sat 20/1217:15BKK - IAD
2 stops24h 58mMultiple Airlines
Wed 14/118:04IAD - BKK
2 stops29h 06mMultiple Airlines
Deal found 11/10฿34,823
Thu 6/1119:40BKK - IAD
3 stops35h 40mMultiple Airlines
Thu 13/1120:05IAD - BKK
1 stop34h 20mMultiple Airlines
Deal found 9/10฿35,019
Sun 21/1210:55BKK - BWI
2 stops30h 49mMultiple Airlines
Thu 1/119:00BWI - BKK
2 stops26h 50mMultiple Airlines
Deal found 11/10฿35,182
Fri 26/1210:10BKK - IAD
1 stop37h 35mเตอร์กิชแอร์ไลน์
Wed 7/113:30IAD - BKK
1 stop26h 50mเตอร์กิชแอร์ไลน์
Deal found 11/10฿35,248
Thu 13/1102:15BKK - DCA
2 stops29h 45mEVA Air
Sun 23/1118:46DCA - BKK
2 stops40h 54mEVA Air
Deal found 9/10฿35,313
Thu 13/1122:20BKK - IAD
2 stops29h 10mMultiple Airlines
Mon 24/1121:15IAD - BKK
1 stop29h 50mMultiple Airlines
Deal found 8/10฿35,346
Sun 2/1101:35BKK - IAD
2 stops29h 30mEthiopian Air
Mon 17/1120:40IAD - BKK
2 stops27h 50mEthiopian Air
Deal found 11/10฿35,411
Fri 24/1012:25BKK - IAD
2 stops30h 08mMultiple Airlines
Tue 4/1107:43IAD - BKK
2 stops39h 02mMultiple Airlines
Deal found 9/10฿35,575
Fri 26/1213:20BKK - IAD
2 stops28h 53mMultiple Airlines
Wed 7/118:04IAD - BKK
2 stops34h 26mMultiple Airlines
Deal found 11/10฿35,607

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 11 October 2025.

Return from

฿33,024

One-way from

฿12,621

Popular in

August

Cheapest in

July

Average price

฿35,052
25/11-2/12
  • 25/11-2/12
  • 6 total stops
  • 66h 10m total
  • Bangkok to Washington, D.C.
Search Deals
16/10
  • 16/10
  • 2 total stops
  • 33h 50m total
  • Bangkok to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (฿59,131 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿30,754 potential savings vs. average return price).
Search Deals
Average for return flights in October 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 11 October 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

Tue 17/2

10:55-05:30

2 stops30h 35m

Baltimore/Washington

Tue 31/3

18:55-09:45

2 stops27h 50m

฿34,169

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Sun 21/12

10:55-05:44

2 stops30h 49m

Baltimore/Washington

Thu 1/1

19:00-09:50

2 stops26h 50m

฿35,182

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Thu 13/11

02:15-20:00

2 stops29h 45m

Washington, D.C. Reagan-National

Sun 23/11

18:46-23:40

2 stops40h 54m

฿35,313

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sun 2/11

01:35-19:05

2 stops29h 30m

Washington, D.C. Dulles Intl

Mon 17/11

20:40-12:30

2 stops27h 50m

฿35,640

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 13/11

07:10-23:59

2 stops28h 49m

Washington, D.C. Dulles Intl

Sun 23/11

22:08-11:25

2 stops49h 17m

฿35,869

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Tue 18/11

08:15-10:26

2 stops38h 11m

Washington, D.C. Reagan-National

Sat 29/11

06:00-06:30

2 stops36h 30m

฿36,065

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Sat 15/11

16:55-23:59

3 stops43h 04m

Washington, D.C. Reagan-National

Sun 23/11

12:00-11:25

3 stops35h 25m

฿36,131

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sat 15/11

16:55-23:59

3 stops43h 04m

Washington, D.C. Dulles Intl

Sun 23/11

20:13-11:25

2 stops51h 12m

฿36,131

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Mon 24/11

14:05-05:39

2 stops27h 34m

Baltimore/Washington

Mon 1/12

19:08-09:50

2 stops26h 42m

฿36,163

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Sat 15/11

17:15-20:00

2 stops38h 45m

Washington, D.C. Reagan-National

Sun 23/11

18:46-23:40

2 stops40h 54m

฿36,196

Flights are sorted by cheapest return flights first.

Deals found on 11/10

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 26 hours 31 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 ฿31,734
ANA
ANA
From ฿34,643
Korean Air
Korean Air
From ฿34,188
Qatar Airways
Qatar Airways
From ฿40,181

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 11 October 2025.
Read reviews from past customers who have flown ANA, Qatar Airways, andUnited Airlines 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
985 reviews
Check prices

Boarding

8.6

Food

7.7

Comfort

8.2

Entertainment

7.9

Overall

8.4

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.
ANA
8.4
Very Good
985 reviews
ANA
8.4
Very Good
985 reviews
Check prices

Boarding

8.6

Food

7.7

Comfort

8.2

Entertainment

7.9

Overall

8.4

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.
Qatar Airways
7.4
Good
3,644 reviews
ANA
8.4
Very Good
985 reviews
Check prices

Boarding

8.6

Food

7.7

Comfort

8.2

Entertainment

7.9

Overall

8.4

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.
United Airlines
7.4
Good
8,971 reviews
ANA
8.4
Very Good
985 reviews
Check prices

Boarding

8.6

Food

7.7

Comfort

8.2

Entertainment

7.9

Overall

8.4

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 ฿3,057, while return flights cost around ฿49,282.

  • 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 (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

Fly with Cheapflights

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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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