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 ฿2,715, while return flights cost around ฿49,658.

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 (20 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).

฿17,231+ Cheap Flights to Washington, D.C., District of Columbia

Flights to Washington, D.C. in 2026

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 13 September 2026.

Mon 14/908:15 -

1 stop24h 45m

Sat 26/901:15 -

1 stop22h 25m

Deal found 12/9฿27,280

Thu 1/1017:15 -

1 stop39h 45m

Sat 17/1001:15 -

1 stop33h 20m

Deal found 11/9฿27,379

Fri 11/1212:40 -

1 stop20h 15m

Sat 2/123:55 -

1 stop22h 55m

Deal found 13/9฿27,412

Sat 19/1212:40 -

1 stop20h 15m

Fri 15/123:55 -

1 stop28h 55m

Deal found 10/9฿27,478

Sat 12/908:15 -

1 stop24h 45m

Fri 30/1001:15 -

1 stop28h 35m

Deal found 10/9฿27,544

Mon 30/1108:10 -

1 stop24h 45m

Sat 5/1223:55 -

1 stop22h 55m

Deal found 8/9฿27,577

Wed 7/1012:40 -

1 stop20h 20m

Fri 30/1001:15 -

1 stop22h 35m

Deal found 8/9฿27,643

Sat 24/1012:40 -

1 stop20h 20m

Fri 30/1001:15 -

1 stop22h 35m

Deal found 9/9฿27,807

Sat 12/912:40 -

1 stop20h 20m

Fri 25/901:15 -

1 stop22h 25m

Deal found 11/9฿27,840

Wed 7/1012:40 -

1 stop20h 20m

Wed 20/123:55 -

1 stop33h 50m

Deal found 9/9฿28,038

Mon 21/1212:40 -

1 stop20h 15m

Sat 9/123:55 -

1 stop33h 50m

Deal found 12/9฿28,137

Sun 25/1015:20 -

1 stop35h 25m

Sat 7/1117:50 -

1 stop31h 50m

Deal found 11/9฿28,269

Best flights to Washington, D.C.
Discover carefully curated flight deals to Washington, D.C. that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 September 2026.

Tue 27/1009:10 -

1 stop36h 00m

Tue 12/110:15 -

2 stops30h 55m

Deal found 11/9฿33,902

Thu 12/1114:40 -

1 stop30h 25m

Mon 16/1114:35 -

1 stop39h 25m

Deal found 10/9฿33,935

Fri 23/1002:35 -

2 stops33h 07m

Mon 7/1207:26 -

2 stops27h 39m

Deal found 12/9฿38,054

Mon 2/1120:15 -

2 stops47h 55m

Tue 17/1120:05 -

2 stops28h 35m

Deal found 8/9฿44,511

Thu 12/1111:10 -

1 stop33h 00m

Mon 16/1110:30 -

1 stop21h 40m

Deal found 12/9฿48,762

Thu 7/117:05 -

2 stops36h 00m

Wed 12/521:30 -

1 stop31h 35m

Deal found 12/9฿62,237

Thu 14/107:55 -

2 stops45h 22m

Wed 12/507:00 -

2 stops29h 00m

Deal found 9/9฿63,785

Mon 21/1207:10 -

2 stops26h 03m

Sat 9/122:10 -

2 stops49h 20m

Deal found 12/9฿34,067

Mon 26/1007:10 -

2 stops25h 03m

Wed 13/107:00 -

2 stops40h 30m

Deal found 11/9฿34,133

Thu 12/1107:10 -

2 stops27h 20m

Mon 16/1115:30 -

3 stops32h 00m

Deal found 12/9฿34,166

Sun 11/1021:40 -

2 stops26h 18m

Sun 18/1009:00 -

2 stops27h 35m

Deal found 11/9฿41,612

Mon 21/1207:10 -

2 stops26h 03m

Tue 12/108:30 -

2 stops39h 00m

Deal found 12/9฿34,166

Sun 11/1013:20 -

2 stops27h 00m

Sun 18/1018:15 -

2 stops28h 30m

Deal found 11/9฿48,136

Thu 24/1209:50 -

2 stops25h 39m

Sat 2/106:00 -

2 stops29h 05m

Deal found 8/9฿43,885

Tue 27/1011:10 -

1 stop32h 50m

Tue 12/110:30 -

1 stop35h 35m

Deal found 11/9฿52,221

Sun 11/1015:45 -

3 stops29h 59m

Sun 18/1008:30 -

2 stops33h 05m

Deal found 11/9฿35,715

Wed 13/101:05 -

2 stops25h 33m

Thu 13/507:00 -

2 stops29h 35m

Deal found 12/9฿46,785

Fri 15/110:55 -

2 stops24h 10m

Sun 24/118:20 -

2 stops27h 30m

Deal found 11/9฿55,351

Sat 16/109:10 -

2 stops23h 55m

Mon 10/513:00 -

2 stops28h 35m

Deal found 9/9฿38,416

Fri 9/1023:50 -

2 stops34h 02m

Fri 16/1010:55 -

1 stop22h 50m

Deal found 9/9฿56,537

Fri 25/1223:05 -

2 stops31h 05m

Sat 9/118:55 -

1 stop33h 10m

Deal found 8/9฿67,146

Sat 19/1208:55 -

1 stop35h 15m

Fri 15/110:30 -

1 stop33h 25m

Deal found 9/9฿56,142

Sun 17/107:10 -

2 stops25h 19m

Mon 3/509:00 -

2 stops26h 15m

Deal found 8/9฿38,581

Sat 24/1012:10 -

1 stop31h 50m

Mon 7/1210:30 -

1 stop21h 40m

Deal found 8/9฿57,690

Mon 11/121:40 -

2 stops27h 04m

Wed 5/508:00 -

2 stops26h 45m

Deal found 8/9฿53,242

Mon 21/1208:55 -

1 stop35h 15m

Sat 9/110:30 -

1 stop35h 35m

Deal found 12/9฿56,405

Tue 12/107:10 -

2 stops27h 19m

Thu 6/506:00 -

2 stops35h 35m

Deal found 8/9฿39,141

Sat 16/123:05 -

2 stops30h 31m

Fri 14/521:30 -

1 stop31h 35m

Deal found 12/9฿69,716

Sat 19/1208:55 -

1 stop35h 15m

Fri 15/115:41 -

2 stops30h 24m

Deal found 13/9฿59,107

Sat 16/109:50 -

2 stops25h 28m

Fri 7/508:00 -

2 stops26h 45m

Deal found 8/9฿54,494

Find flight deals to Washington, D.C.

Return from	฿27,379
One-way from	฿17,231
Popular in	April
Cheapest in	October
Average price	฿37,955

Thai Airways
1/10-17/10
2 total stops
73h 05m total
Bangkok to Washington, D.C.

Search Deals

8/11-31/12
2 total stops
38h 05m total
Bangkok to Washington, D.C.

Search Deals

Highest demand for flights based on searches. 16% potential increase in price (฿7,879 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (฿2,097 potential savings vs. average return price).

Search Deals

Average for return flights in September 2026

Search Deals

Fly from

Route

Depart

Return

Price

Cheapest return flight

BangkokWashington, D.C.

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

BKKIAD

Bangkok Suvarnabhumi

Sun 11/10

22:45-10:50

1 stop23h 05m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿17,429

BangkokWashington, D.C.

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

BKKIAD

Bangkok Suvarnabhumi

Wed 21/10

08:15-22:00

1 stop24h 45m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿17,890

BangkokBaltimore

BKK Bangkok Suvarnabhumi - BWI Baltimore/Washington

BKKBWI

Bangkok Suvarnabhumi

Sun 8/11

16:55-09:50

3 stops52h 55m

Baltimore/Washington

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿18,879

BangkokWashington, D.C.

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

BKKDCA

Bangkok Suvarnabhumi

Sun 8/11

23:55-21:50

3 stops57h 55m

Washington, D.C. Reagan-National

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿21,185

BangkokBaltimore

BKK Bangkok Suvarnabhumi - BWI Baltimore/Washington

BKKBWI

Bangkok Suvarnabhumi

Wed 21/10

10:50-23:55

2 stops24h 05m

Baltimore/Washington

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿21,745

BangkokBaltimore

BKK Bangkok Suvarnabhumi - BWI Baltimore/Washington

BKKBWI

Bangkok Suvarnabhumi

Fri 22/1

10:55-00:10

2 stops25h 15m

Baltimore/Washington

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿21,778

BangkokWashington, D.C.

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

BKKDCA

Bangkok Suvarnabhumi

Wed 23/12

17:50-17:56

2 stops36h 06m

Washington, D.C. Reagan-National

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿21,844

BangkokWashington, D.C.

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

BKKDCA

Bangkok Suvarnabhumi

Thu 24/12

17:50-16:06

2 stops34h 16m

Washington, D.C. Reagan-National

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿22,042

BangkokWashington, D.C.

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

BKKIAD

Bangkok Suvarnabhumi

Thu 24/12

17:50-16:28

2 stops34h 38m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿22,042

BangkokWashington, D.C.

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

BKKIAD

Bangkok Suvarnabhumi

Sat 19/9

10:50-05:40

2 stops29h 50m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-12:00

Nonstop0h 00m

฿22,107

Flights are sorted by cheapest return flights first.

Deals found on 12/9

Showing 1-10 of 60 resultsSorted by cheapest first

...

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.

TH1-WAS

DMK-IAD

BKK-IAD

BKK-BWI

BKK-DCA

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.

TH1-WAS

DMK-IAD

BKK-IAD

BKK-BWI

BKK-DCA

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

On average, a flight from Bangkok to Washington, D.C. takes 25 hours 5 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.

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 ฿2,715, while return flights cost around ฿49,658.
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 (20 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

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Flights from Dulles Intl

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How does Cheapflights help users find flights to Washington, D.C.?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights to Washington, D.C.. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets to Washington, D.C.?

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Users can book flights with no change fees policies with our dedicated filters. Book flights to Washington, D.C. flexibly with Cheapflights today.

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฿17,231+ Cheap flights to Washington, D.C.

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/11. Fares are subject to change and may not be available on all flights or dates of travel.

Flights to Washington, D.C. in 2026

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 13 September 2026.

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 13 September 2026.

Best flights to Washington, D.C.Discover carefully curated flight deals to Washington, D.C. that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 September 2026.

Discover carefully curated flight deals to Washington, D.C. that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 September 2026.

Last-minute flights to Washington, D.C.Discover last-minute flight deals to Washington, D.C.. Data last updated 13 September 2026 and is based on user searches.

Discover last-minute flight deals to Washington, D.C.. Data last updated 13 September 2026 and is based on user searches.

One-way flights to Washington, D.C.Search for one-way flight options to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated 13 September 2026.

Search for one-way flight options to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated 13 September 2026.

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Best time to book a flight to Washington, D.C.

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Cheapflights Insights

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

On average, a flight from Bangkok to Washington, D.C. takes 25 hours 5 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.

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.

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?

What is the best airline to fly to Washington, D.C.?

What is the cheapest airport to fly to in Washington, D.C.?

Where does the fastest flight to Washington, D.C. depart from?

Does Washington, D.C. Dulles Intl have rental cars?

Are there hotels close to Washington, D.C. Dulles Intl?

Browse thousands of different options on Cheapflights for your next trip

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Find the best flight deals from Washington, D.C.

Some of the lowest fares we’ve come across for flights from Washington, D.C..

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Reserve a car hire and hotel room to complete your trip to Washington, D.C..

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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 13 September 2026.

Best flights to Washington, D.C.
Discover carefully curated flight deals to Washington, D.C. that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 September 2026.

Last-minute flights to Washington, D.C.
Discover last-minute flight deals to Washington, D.C.. Data last updated 13 September 2026 and is based on user searches.

One-way flights to Washington, D.C.
Search for one-way flight options to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated 13 September 2026.