฿16,616+ Cheap flights to Washington, D.C.

— WAS
18 Oct — 25 Oct1
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.

Fri 30/1014:30 -
2 stops30h 35m
Fri 6/1123:35 -
1 stop33h 50m
Deal found 15/9฿26,739
Fri 30/1015:20 -
1 stop34h 30m
Fri 6/1117:50 -
1 stop31h 50m
Deal found 15/9฿27,272
Fri 30/1017:30 -
1 stop39h 25m
Mon 2/1123:55 -
1 stop33h 50m
Deal found 14/9฿27,705
Fri 23/1017:15 -
1 stop39h 45m
Fri 30/1001:15 -
1 stop28h 35m
Deal found 13/9฿27,738
Fri 18/912:40 -
1 stop20h 20m
Wed 30/901:15 -
1 stop22h 25m
Deal found 13/9฿27,805
Sat 19/1212:40 -
1 stop20h 15m
Fri 15/123:55 -
1 stop22h 55m
Deal found 15/9฿28,404
Mon 2/1108:10 -
1 stop24h 45m
Fri 6/1123:35 -
1 stop33h 50m
Deal found 17/9฿28,437
Wed 7/1012:40 -
1 stop20h 20m
Wed 2/1223:55 -
1 stop33h 50m
Deal found 15/9฿28,537
Sat 19/1215:20 -
1 stop35h 25m
Fri 15/117:50 -
1 stop31h 50m
Deal found 18/9฿28,670
Thu 12/1107:10 -
2 stops27h 20m
Mon 16/1115:30 -
3 stops32h 00m
Deal found 17/9฿34,231
Wed 7/1007:00 -
2 stops26h 14m
Wed 2/1214:25 -
3 stops33h 05m
Deal found 15/9฿34,365
Tue 20/1007:00 -
2 stops25h 59m
Sun 25/1008:40 -
2 stops28h 40m
Deal found 18/9฿35,663

Find flight deals to Washington, D.C.

Return from

฿26,739

One-way from

฿16,616

Popular in

April

Cheapest in

October

Average price

฿38,360
AIR PREMIA
  • AIR PREMIA
  • 30/10-6/11
  • 3 total stops
  • 64h 25m total
  • Bangkok to Washington, D.C.
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20/10-31/12
  • 20/10-31/12
  • 3 total stops
  • 36h 49m total
  • Bangkok to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (฿7,963 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (฿2,120 potential savings vs. average return price).
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Average for return flights in September 2026
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Cheapflights Fare Finder

 
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 Bangkok Suvarnabhumi - DCA Washington, D.C. Reagan-National

BKKDCA

Bangkok Suvarnabhumi

Tue 15/12

19:15-18:57

2 stops35h 42m

Washington, D.C. Reagan-National

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿20,612

BangkokBaltimore

BKK Bangkok Suvarnabhumi - BWI Baltimore/Washington

BKKBWI

Bangkok Suvarnabhumi

Thu 1/10

17:50-05:25

2 stops46h 35m

Baltimore/Washington

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿21,478

BangkokBaltimore

BKK Bangkok Suvarnabhumi - BWI Baltimore/Washington

BKKBWI

Bangkok Suvarnabhumi

Fri 13/11

10:55-12:05

2 stops37h 10m

Baltimore/Washington

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿21,844

BangkokBaltimore

BKK Bangkok Suvarnabhumi - BWI Baltimore/Washington

BKKBWI

Bangkok Suvarnabhumi

Wed 16/12

13:45-05:37

2 stops27h 52m

Baltimore/Washington

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿21,877

BangkokBaltimore

BKK Bangkok Suvarnabhumi - BWI Baltimore/Washington

BKKBWI

Bangkok Suvarnabhumi

Thu 29/10

13:45-05:20

2 stops26h 35m

Baltimore/Washington

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿21,944

BangkokWashington, D.C.

BKK Bangkok Suvarnabhumi - DCA Washington, D.C. Reagan-National

BKKDCA

Bangkok Suvarnabhumi

Fri 13/11

17:50-17:59

2 stops36h 09m

Washington, D.C. Reagan-National

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿21,977

BangkokBaltimore

BKK Bangkok Suvarnabhumi - BWI Baltimore/Washington

BKKBWI

Bangkok Suvarnabhumi

Fri 23/10

10:50-05:40

2 stops29h 50m

Baltimore/Washington

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿22,011
Fastest return journey

BangkokBaltimore

BKK Bangkok Suvarnabhumi - BWI Baltimore/Washington

BKKBWI

Bangkok Suvarnabhumi

Mon 21/9

17:30-06:30

2 stops24h 00m

Baltimore/Washington

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿22,277

BangkokBaltimore

BKK Bangkok Suvarnabhumi - BWI Baltimore/Washington

BKKBWI

Bangkok Suvarnabhumi

Tue 15/12

12:15-17:55

3 stops41h 40m

Baltimore/Washington

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿22,277

BangkokWashington, D.C.

BKK Bangkok Suvarnabhumi - IAD Washington, D.C. Dulles Intl

BKKIAD

Bangkok Suvarnabhumi

Fri 6/11

13:45-05:44

2 stops27h 59m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿22,377

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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 56 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, เอทิฮัดแอร์เวย์ and Korean Air.

United Airlines
United Airlines
From ฿26,949
เอทิฮัดแอร์เวย์
เอทิฮัดแอร์เวย์
From ฿33,216
Korean Air
Korean Air
From ฿33,575

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

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

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).

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

The best time to book flights to Washington, D.C. is 90 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.

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.?

    Baltimore/Washington is currently the cheapest airport to fly to in Washington, D.C.. One-way flights to Baltimore/Washington typically cost ฿2,744, while return flights cost around ฿50,189.

  • 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 15 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

Airports serving Washington, D.C.

Flights to Reagan-National
Flights to Dulles Intl
Flights from Reagan-National
Flights from Dulles Intl

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