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฿17,013+ 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
— WAS
6 Feb — 13 Feb1
1 adult
1 adult, Economy, 0 bags

Flights to Washington, D.C. in 2026

Find the latest flights to Washington, D.C. in 2026, 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 7 January 2026.

Return from

฿30,935

One-way from

฿17,013

Popular in

August

Cheapest in

October

Average price

฿39,800
เอทิฮัดแอร์เวย์
  • เอทิฮัดแอร์เวย์
  • 1/3-5/4
  • 3 total stops
  • 84h 10m total
  • Bangkok to Washington, D.C.
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5/2
  • 5/2
  • 3 total stops
  • 47h 32m total
  • Bangkok to Washington, D.C.
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Highest demand for flights based on searches. 1% potential increase in price (฿612 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (฿893 potential savings vs. average return price).
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Average for return flights in January 2026
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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 7 January 2026.

Sun 1/313:05BKK - IAD
2 stops56h 00mMultiple Airlines
Sun 5/415:35IAD - BKK
1 stop28h 10mMultiple Airlines
Deal found 7/1฿30,935
Sat 14/210:10BKK - IAD
2 stops45h 10mMultiple Airlines
Fri 20/214:35IAD - BKK
1 stop20h 50mMultiple Airlines
Deal found 5/1฿31,653
Tue 17/217:05BKK - IAD
2 stops28h 00mMultiple Airlines
Wed 4/314:35IAD - BKK
1 stop20h 50mMultiple Airlines
Deal found 7/1฿31,809
Tue 24/315:30BKK - IAD
2 stops29h 35mMultiple Airlines
Mon 27/415:35IAD - BKK
1 stop21h 15mMultiple Airlines
Deal found 5/1฿31,934
Wed 18/310:50BKK - IAD
2 stops34h 15mMultiple Airlines
Wed 1/415:35IAD - BKK
1 stop21h 15mMultiple Airlines
Deal found 6/1฿32,121
Tue 17/212:45BKK - DCA
2 stops43h 20mMultiple Airlines
Wed 4/309:59DCA - BKK
2 stops37h 31mMultiple Airlines
Deal found 7/1฿32,621
Sat 14/210:10BKK - IAD
2 stops45h 10mMultiple Airlines
Sat 21/214:35IAD - BKK
1 stop27h 20mMultiple Airlines
Deal found 7/1฿32,621
Tue 30/609:35BKK - IAD
2 stops63h 28mUnited Airlines
Fri 9/1012:15IAD - BKK
1 stop29h 20mUnited Airlines
Deal found 5/1฿32,777
Wed 1/709:35BKK - IAD
1 stop41h 15mUnited Airlines
Thu 13/815:30IAD - BKK
2 stops26h 05mUnited Airlines
Deal found 6/1฿32,933
Wed 11/307:15BKK - IAD
2 stops39h 34mแอร์แคนาดา
Wed 25/309:00IAD - BKK
2 stops33h 30mแอร์แคนาดา
Deal found 7/1฿32,995
Sat 28/202:15BKK - DCA
2 stops29h 50mEVA Air
Tue 28/418:59DCA - BKK
2 stops28h 26mEVA Air
Deal found 7/1฿33,058
Wed 21/117:15BKK - IAD
2 stops35h 11mMultiple Airlines
Sat 24/118:04IAD - BKK
2 stops29h 06mMultiple Airlines
Deal found 7/1฿33,151

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 7 January 2026.
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

Tue 17/2

12:45-20:05

2 stops43h 20m

Washington, D.C. Reagan-National

Wed 4/3

09:59-11:30

2 stops37h 31m

฿32,621

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Sat 28/2

02:15-20:05

2 stops29h 50m

Washington, D.C. Reagan-National

Tue 28/4

18:59-10:25

2 stops28h 26m

฿33,058

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Mon 23/3

02:15-17:41

2 stops26h 26m

Washington, D.C. Reagan-National

Mon 27/4

18:59-10:55

2 stops28h 56m

฿33,214

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Wed 11/3

16:05-17:46

2 stops36h 41m

Baltimore/Washington

Wed 25/3

19:04-10:50

2 stops28h 46m

฿33,245

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Sun 1/3

16:55-10:55

3 stops30h 00m

Washington, D.C. Reagan-National

Tue 28/4

17:59-09:45

2 stops28h 46m

฿33,370

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sat 14/2

16:55-21:18

3 stops40h 23m

Washington, D.C. Dulles Intl

Fri 20/2

19:13-11:25

2 stops28h 12m

฿33,464

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Mon 23/3

02:15-17:41

2 stops26h 26m

Washington, D.C. Reagan-National

Tue 7/4

18:41-10:25

2 stops28h 44m

฿33,682

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Sat 14/2

02:15-17:59

2 stops27h 44m

Washington, D.C. Reagan-National

Sat 21/2

08:00-11:10

2 stops39h 10m

฿33,776

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Fri 24/4

01:35-20:00

2 stops29h 25m

Washington, D.C. Reagan-National

Sat 23/5

18:59-23:30

2 stops41h 31m

฿33,807

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Tue 17/2

20:55-15:55

2 stops31h 00m

Washington, D.C. Dulles Intl

Wed 4/3

14:35-02:30

2 stops23h 55m

฿33,901

Flights are sorted by cheapest return flights first.

Deals found on 6/1

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 31 hours 13 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 ฿30,290
ANA
ANA
From ฿33,073
Korean Air
Korean Air
From ฿31,567
Qatar Airways
Qatar Airways
From ฿38,178

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 7 January 2026.
Read reviews from past customers who have flown Korean Air, 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.
Korean Air
8.4
Very Good
1,188 reviews
Check prices

Food

8.1

Overall

8.4

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very Good
1,188 reviews
Korean Air
8.4
Very Good
1,188 reviews
Check prices

Food

8.1

Overall

8.4

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Qatar Airways
7.4
Good
3,701 reviews
Korean Air
8.4
Very Good
1,188 reviews
Check prices

Food

8.1

Overall

8.4

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
United Airlines
7.4
Good
9,138 reviews
Korean Air
8.4
Very Good
1,188 reviews
Check prices

Food

8.1

Overall

8.4

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

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 ฿2,918, while return flights cost around ฿47,049.

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

    A return flight to Washington, D.C. will typically cost around ฿66,781, however they can be found for as little as ฿62,514.

  • 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 7 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

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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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