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฿14,951+ 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
31 Aug — 7 Sep1
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 26 August 2025.

Return from

฿28,248

One-way from

฿14,951

Popular in

August

Cheapest in

July

Average price

฿48,453
21/9-28/9
  • 21/9-28/9
  • 4 total stops
  • 59h 26m total
  • Bangkok to Washington, D.C.
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6/9
  • 6/9
  • 2 total stops
  • 47h 01m total
  • Bangkok to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (฿53,691 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿31,572 potential savings vs. average return price).
Search Deals
Average for return flights in August 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 26 August 2025.

Sun 21/912:15BKK - BWI
2 stops29h 46mMultiple Airlines
Sun 28/905:45BWI - BKK
2 stops29h 40mMultiple Airlines
Deal found 24/8฿28,248
Fri 10/1011:00BKK - BWI
2 stops30h 35mMultiple Airlines
Fri 17/1005:35BWI - BKK
2 stops31h 15mMultiple Airlines
Deal found 26/8฿28,540
Wed 8/1023:20BKK - BWI
3 stops35h 25mMultiple Airlines
Wed 15/1014:09BWI - BKK
3 stops35h 06mMultiple Airlines
Deal found 24/8฿29,448
Mon 3/1108:15BKK - IAD
2 stops24h 44mแอร์แคนาดา
Mon 17/1106:30IAD - BKK
2 stops36h 00mแอร์แคนาดา
Deal found 25/8฿31,524
Sun 21/922:05BKK - DCA
2 stops29h 17mJapan Airlines
Sun 28/906:45DCA - BKK
2 stops29h 15mJapan Airlines
Deal found 24/8฿31,913
Mon 22/901:20BKK - IAD
2 stops43h 18mMultiple Airlines
Wed 22/1013:30IAD - BKK
1 stop38h 55mMultiple Airlines
Deal found 24/8฿32,529
Mon 3/1108:15BKK - IAD
2 stops24h 44mMultiple Airlines
Mon 17/1113:30IAD - BKK
1 stop37h 35mMultiple Airlines
Deal found 25/8฿32,886
Wed 24/1208:15BKK - IAD
2 stops39h 20mแอร์แคนาดา
Sat 10/113:15IAD - BKK
2 stops29h 15mแอร์แคนาดา
Deal found 24/8฿32,918
Tue 4/1108:15BKK - IAD
2 stops24h 44mแอร์แคนาดา
Mon 17/1109:45IAD - BKK
2 stops32h 45mแอร์แคนาดา
Deal found 25/8฿33,113
Sun 21/901:20BKK - IAD
2 stops45h 25mแอร์แคนาดา
Tue 21/1010:20IAD - BKK
2 stops25h 50mแอร์แคนาดา
Deal found 24/8฿33,178
Wed 24/921:35BKK - IAD
2 stops51h 03mแอร์แคนาดา
Mon 20/1015:36IAD - BKK
2 stops44h 34mแอร์แคนาดา
Deal found 24/8฿33,275
Sun 21/923:40BKK - IAD
2 stops31h 05mIndiGo
Sun 28/913:30IAD - BKK
2 stops46h 10mIndiGo
Deal found 24/8฿33,372

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 26 August 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

Sun 21/9

12:15-07:01

2 stops29h 46m

Baltimore/Washington

Sun 28/9

05:45-22:25

2 stops29h 40m

฿28,248

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Fri 10/10

11:00-06:35

2 stops30h 35m

Baltimore/Washington

Fri 17/10

05:35-23:50

2 stops31h 15m

฿28,540

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Wed 8/10

23:20-23:45

3 stops35h 25m

Baltimore/Washington

Wed 15/10

14:09-12:15

3 stops35h 06m

฿29,448

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 4/11

08:15-20:59

2 stops24h 44m

Washington, D.C. Dulles Intl

Tue 18/11

17:50-06:30

2 stops48h 40m

฿31,524

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Sun 21/9

22:05-16:22

2 stops29h 17m

Washington, D.C. Reagan-National

Sun 28/9

06:45-23:00

2 stops29h 15m

฿31,913

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 22/9

01:20-09:38

2 stops43h 18m

Washington, D.C. Dulles Intl

Wed 22/10

13:30-15:25

1 stop38h 55m

฿32,529

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 3/11

08:15-20:59

2 stops24h 44m

Washington, D.C. Dulles Intl

Mon 17/11

13:30-15:05

1 stop37h 35m

฿32,886

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 24/12

08:15-11:35

2 stops39h 20m

Washington, D.C. Dulles Intl

Sat 10/1

13:15-06:30

2 stops29h 15m

฿32,918

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 23/9

01:20-14:25

2 stops48h 05m

Washington, D.C. Dulles Intl

Tue 21/10

08:28-23:10

2 stops27h 42m

฿33,178

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 23/9

01:20-11:45

2 stops45h 25m

Washington, D.C. Dulles Intl

Mon 20/10

15:36-23:10

2 stops44h 34m

฿33,178

Flights are sorted by cheapest return flights first.

Deals found on 24/8

Showing 1-10 of 57 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 59 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 ฿971
ANA
ANA
From ฿1,060
Qatar Airways
Qatar Airways
From ฿1,229
Korean Air
Korean Air
From ฿1,046

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 26 August 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
943 reviews
Check prices

Crew

8.7

Boarding

8.6

Entertainment

7.9

Overall

8.4

Food

7.7

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me
ANA
8.4
Very Good
943 reviews
ANA
8.4
Very Good
943 reviews
Check prices

Crew

8.7

Boarding

8.6

Entertainment

7.9

Overall

8.4

Food

7.7

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me
Qatar Airways
7.4
Good
3,608 reviews
ANA
8.4
Very Good
943 reviews
Check prices

Crew

8.7

Boarding

8.6

Entertainment

7.9

Overall

8.4

Food

7.7

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me
United Airlines
7.4
Good
8,943 reviews
ANA
8.4
Very Good
943 reviews
Check prices

Crew

8.7

Boarding

8.6

Entertainment

7.9

Overall

8.4

Food

7.7

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me

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 ฿3,032, while return flights cost around ฿16,306.

  • 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., Bangkok offers the quickest one-way flight (22 hours 52 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.?

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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