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฿19,956+ 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 17/9. Fares are subject to change and may not be available on all flights or dates of travel.
— WAS
13 Jun — 20 Jun1
1 adult
1 adult, Economy, 0 bags

Flights to Washington, D.C. in 2026

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 14 May 2026.

Tue 30/622:45
BKK
-
IAD
1 stop23h 05m
Multiple Airlines
Tue 13/1015:10
IAD
-
BKK
1 stop21h 40m
Multiple Airlines
Deal found 14/5฿36,063
Sat 13/615:45
BKK
-
IAD
3 stops28h 40m
United Airlines
Fri 31/708:15
IAD
-
BKK
2 stops33h 20m
United Airlines
Deal found 11/5฿36,160
Sun 6/902:30
BKK
-
IAD
1 stop24h 10m
Qatar Airways
Sun 4/1021:00
IAD
-
BKK
1 stop22h 20m
Qatar Airways
Deal found 13/5฿36,290
Wed 10/613:55
BKK
-
IAD
1 stop31h 10m
ANA
Wed 9/915:40
IAD
-
BKK
2 stops25h 55m
ANA
Deal found 11/5฿36,355
Thu 28/522:45
BKK
-
IAD
1 stop23h 05m
Multiple Airlines
Thu 2/715:10
IAD
-
BKK
1 stop21h 40m
Multiple Airlines
Deal found 12/5฿36,419
Wed 9/921:35
BKK
-
IAD
1 stop23h 30m
ANA
Tue 3/1113:05
IAD
-
BKK
2 stops28h 05m
ANA
Deal found 13/5฿36,646
Wed 27/509:15
BKK
-
IAD
1 stop35h 30m
เอทิฮัดแอร์เวย์
Thu 3/915:10
IAD
-
BKK
1 stop40h 00m
เอทิฮัดแอร์เวย์
Deal found 12/5฿36,710
Sat 10/1009:35
BKK
-
IAD
2 stops30h 55m
United Airlines
Thu 22/1008:30
IAD
-
BKK
2 stops28h 25m
United Airlines
Deal found 13/5฿36,775
Thu 23/709:15
BKK
-
IAD
1 stop35h 30m
เอทิฮัดแอร์เวย์
Fri 14/815:10
IAD
-
BKK
1 stop21h 40m
เอทิฮัดแอร์เวย์
Deal found 12/5฿36,872
Wed 24/603:00
BKK
-
IAD
1 stop23h 40m
Qatar Airways
Thu 2/711:05
IAD
-
BKK
1 stop33h 10m
Qatar Airways
Deal found 11/5฿36,969
Sat 5/903:15
BKK
-
IAD
1 stop41h 30m
เอทิฮัดแอร์เวย์
Tue 6/1015:10
IAD
-
BKK
1 stop41h 30m
เอทิฮัดแอร์เวย์
Deal found 13/5฿37,001
Fri 22/502:30
BKK
-
IAD
1 stop26h 50m
Multiple Airlines
Tue 30/611:05
IAD
-
BKK
1 stop21h 20m
Multiple Airlines
Deal found 14/5฿37,034

Find flight deals to Washington, D.C.

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 14 May 2026.

Return from

฿36,063

One-way from

฿19,956

Popular in

April

Cheapest in

October

Average price

฿41,303
เอทิฮัดแอร์เวย์
  • เอทิฮัดแอร์เวย์
  • 30/6-13/10
  • 2 total stops
  • 44h 45m total
  • Bangkok to Washington, D.C.
Search Deals
AIR PREMIA
  • AIR PREMIA
  • 17/9
  • 1 total stop
  • 23h 05m total
  • Bangkok to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (฿8,186 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (฿2,103 potential savings vs. average return price).
Search Deals
Average for return flights in May 2026
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 14 May 2026.
Use the filters below to find and compare flights to Washington, D.C. that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sat 29/8

21:40-20:53

2 stops34h 13m

Washington, D.C. Dulles Intl

Sat 31/10

07:30-00:45

2 stops30h 15m

฿39,427
Fastest return journey

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Wed 10/6

09:50-23:26

2 stops24h 36m

Washington, D.C. Reagan-National

Wed 9/9

10:00-23:35

2 stops26h 35m

฿39,524

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Fri 28/8

02:30-15:40

1 stop24h 10m

Washington, D.C. Dulles Intl

Sat 31/10

20:05-12:15

1 stop29h 10m

฿42,079

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 8/6

15:45-09:24

3 stops28h 39m

Washington, D.C. Dulles Intl

Wed 22/7

15:56-09:35

3 stops30h 39m

฿42,112

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Wed 10/6

09:50-00:40

2 stops25h 50m

Baltimore/Washington

Wed 9/9

06:00-21:45

2 stops28h 45m

฿42,338

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 1/6

19:00-18:20

1 stop34h 20m

Washington, D.C. Dulles Intl

Mon 29/6

21:00-07:15

1 stop23h 15m

฿42,370

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Fri 16/10

13:10-05:40

2 stops27h 30m

Washington, D.C. Dulles Intl

Fri 30/10

17:33-12:35

2 stops32h 02m

฿42,468

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sat 29/8

15:45-11:52

3 stops31h 07m

Washington, D.C. Dulles Intl

Sat 31/10

14:25-11:25

3 stops34h 00m

฿43,082

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Fri 16/10

15:45-14:03

3 stops33h 18m

Washington, D.C. Dulles Intl

Fri 30/10

13:00-11:25

3 stops35h 25m

฿43,600

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 1/6

23:30-00:13

2 stops35h 43m

Washington, D.C. Dulles Intl

Mon 29/6

06:00-01:05

2 stops32h 05m

฿44,343

Flights are sorted by cheapest return flights first.

Deals found on 14/5

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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.

When is the best time to book a flight to Washington, D.C.?

The best time to book flights to Washington, D.C. is 16 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

On average, a flight from Bangkok to Washington, D.C. takes 25 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, Korean Air and ANA.

United Airlines
United Airlines
From ฿31,267
Korean Air
Korean Air
From ฿32,707
ANA
ANA
From ฿34,169
เอทิฮัดแอร์เวย์
เอทิฮัดแอร์เวย์
From ฿32,263

What are the cheapest airlines that fly to Washington, D.C.?

The cheapest airlines flying from Bangkok to Washington, D.C. are United Airlines, เอทิฮัดแอร์เวย์ 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 14 May 2026.
Read reviews from past customers who have flown United 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.
United Airlines
7.4
Good
9,711 reviews
Check prices

Crew

8.1

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,711 reviews
United Airlines
7.4
Good
9,711 reviews
Check prices

Crew

8.1

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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, United Airlines 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 ฿3,024, while return flights cost around ฿48,749.

  • 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 0 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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