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฿18,678+ 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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — WAS
29 Jul — 5 Aug1
1 adult
Mon 29/7
Mon 5/8

Flights to Washington, D.C. in 2024

Find the latest flights to Washington, D.C. in 2024, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 12,140 searches and data was last updated on 24 July 2024.

Return from

฿32,034

One-way from

฿18,678

Popular in

August

Cheapest in

May

Average price

฿44,848
10/9-24/9
  • 10/9-24/9
  • 4 total stops
  • 69h 40m total
  • Bangkok to Washington, D.C.
8/9
  • 8/9
  • 2 total stops
  • 33h 26m total
  • Bangkok to Washington, D.C.
High demand for flights, 2% potential price rise
Best time to find cheap flights, 1% potential price drop
Average for return flights in July 2024

Cheap flights to Washington, D.C. in July & August 2024

Discover affordable flights and deals to Washington, D.C. in July and August 2024. In the last 7 days, Cheapflights users made a total of 12,140 searches and data was last updated on 24 July 2024.
The following deals offer some of the lowest prices we've found on flights heading to Washington, D.C. in July and August 2024. Deals update frequently so be sure to check back soon if you're not finding what you're looking for.
Sun 25/809:35BKK - IAD
2 stops40h 09mUnited Airlines
Fri 13/922:10IAD - BKK
2 stops43h 25mUnited Airlines
Deal found 23/7฿37,826
Tue 6/809:35BKK - DCA
2 stops41h 28mUnited Airlines
Thu 31/1019:00DCA - BKK
2 stops47h 10mUnited Airlines
Deal found 23/7฿37,971
Wed 7/821:35BKK - IAD
2 stops34h 22mANA
Mon 21/1012:15IAD - BKK
1 stop29h 20mANA
Deal found 23/7฿38,079
Thu 1/809:35BKK - IAD
2 stops31h 54mUnited Airlines
Thu 31/1013:05IAD - BKK
2 stops48h 00mUnited Airlines
Deal found 23/7฿38,152
Sat 3/807:00BKK - IAD
2 stops24h 57mUnited Airlines
Sat 17/819:15IAD - BKK
2 stops46h 20mUnited Airlines
Deal found 23/7฿38,803
Thu 8/809:35BKK - IAD
2 stops32h 32mUnited Airlines
Thu 31/1008:27IAD - BKK
2 stops28h 38mUnited Airlines
Deal found 23/7฿39,093
Tue 20/807:00BKK - IAD
2 stops28h 36mUnited Airlines
Wed 4/908:25IAD - BKK
2 stops33h 10mUnited Airlines
Deal found 23/7฿39,129
Sun 25/809:35BKK - IAD
2 stops40h 09mUnited Airlines
Thu 12/908:40IAD - BKK
2 stops28h 15mUnited Airlines
Deal found 23/7฿39,455
Wed 14/809:35BKK - IAD
2 stops32h 24mUnited Airlines
Thu 29/808:25IAD - BKK
2 stops33h 10mUnited Airlines
Deal found 23/7฿40,179

Washington, D.C. 2024 flight deals

Explore flight deals for Washington, D.C. in 2024, offering the best prices and options to suit your preferences. In the last 7 days, Cheapflights users made a total of 12,140 searches and data were last updated on 24 July 2024.
Listed are some of the best fares we've found on flights departing to Washington, D.C. in 2024. Check back regularly for other flight deals.
Tue 10/913:30BKK - IAD
2 stops38h 03mMultiple Airlines
Tue 24/917:38IAD - BKK
2 stops31h 37mMultiple Airlines
Deal found 23/7฿32,034
Thu 12/909:35BKK - IAD
2 stops32h 20mUnited Airlines
Sat 28/917:15IAD - BKK
2 stops48h 20mUnited Airlines
Deal found 23/7฿33,301
Tue 10/909:35BKK - IAD
1 stop36h 00mUnited Airlines
Tue 24/922:10IAD - BKK
2 stops43h 25mUnited Airlines
Deal found 23/7฿34,496
Mon 23/909:35BKK - IAD
2 stops46h 21mUnited Airlines
Thu 3/1006:30IAD - BKK
2 stops30h 25mUnited Airlines
Deal found 24/7฿34,532
Mon 9/909:35BKK - IAD
2 stops46h 21mUnited Airlines
Mon 4/1106:15IAD - BKK
2 stops29h 50mUnited Airlines
Deal found 23/7฿34,821
Mon 9/909:35BKK - IAD
2 stops41h 23mUnited Airlines
Mon 28/1006:15IAD - BKK
2 stops30h 50mUnited Airlines
Deal found 24/7฿34,858
Tue 3/1207:10BKK - IAD
2 stops23h 40mUnited Airlines
Thu 9/106:30IAD - BKK
2 stops29h 35mUnited Airlines
Deal found 23/7฿34,894
Wed 18/907:00BKK - IAD
2 stops28h 15mUnited Airlines
Wed 23/1006:30IAD - BKK
2 stops30h 25mUnited Airlines
Deal found 24/7฿34,930
Mon 9/909:35BKK - IAD
1 stop36h 00mUnited Airlines
Mon 28/1008:27IAD - BKK
2 stops28h 38mUnited Airlines
Deal found 24/7฿35,220

Flights to Washington, D.C. departing soon

Discover available last-minute flight options to Washington, D.C., providing immediate availability and potentially lower prices. In the last 7 days, Cheapflights users made a total of 12,140 searches and data was last updated on 24 July 2024.
Browse some of the best deals on flights leaving last minute to Washington, D.C.. Double check the price, date, and time of your last-minute flight.
Thu 1/809:35BKK - IAD
2 stops31h 54mUnited Airlines
Thu 31/1013:05IAD - BKK
2 stops48h 00mUnited Airlines
Deal found 23/7฿38,152
Sat 3/807:00BKK - IAD
2 stops24h 57mUnited Airlines
Sat 17/819:15IAD - BKK
2 stops46h 20mUnited Airlines
Deal found 23/7฿38,803
Tue 30/707:00BKK - IAD
2 stops33h 35mUnited Airlines
Tue 6/808:30IAD - BKK
2 stops28h 25mUnited Airlines
Deal found 23/7฿45,065
Tue 30/709:35BKK - DCA
3 stops44h 25mUnited Airlines
Tue 6/808:25DCA - BKK
2 stops28h 30mUnited Airlines
Deal found 23/7฿49,481
Fri 2/807:00BKK - IAD
2 stops39h 52mUnited Airlines
Mon 28/1012:10IAD - BKK
1 stop30h 00mUnited Airlines
Deal found 23/7฿51,617
Fri 2/809:35BKK - IAD
1 stop41h 15mANA
Mon 28/1012:10IAD - BKK
1 stop30h 00mANA
Deal found 23/7฿53,861
Tue 30/723:05BKK - IAD
1 stop26h 40mเตอร์กิชแอร์ไลน์
Tue 6/816:40IAD - BKK
1 stop26h 25mเตอร์กิชแอร์ไลน์
Deal found 23/7฿54,983
Wed 31/703:30BKK - IAD
1 stop40h 10mEmirates
Thu 31/1011:15IAD - BKK
1 stop20h 25mEmirates
Deal found 23/7฿56,359
Mon 29/701:35BKK - IAD
1 stop42h 05mEmirates
Tue 6/810:55IAD - BKK
1 stop21h 20mEmirates
Deal found 23/7฿56,395

One-way flights to Washington, D.C.

Explore one-way flight options to Washington, D.C. for greater flexibility in your travel plans. Find up-to-date pricing and availability for one-way flights. In the last 7 days, Cheapflights users made a total of 12,140 searches and data was last updated on 24 July 2024.
If you're looking for options on one-way flights to Washington, D.C., check out these fares. Reserve a round-trip flight to Washington, D.C. instead by utilizing the search form above.
Sun 8/922:50BKK - BWI
2 stops33h 26mMultiple Airlines
Deal found 23/7฿18,678
Tue 27/822:50BKK - BWI
2 stops44h 20mMultiple Airlines
Deal found 23/7฿18,967
Sat 9/1113:40BKK - BWI
3 stops33h 29mMultiple Airlines
Deal found 23/7฿19,655
Tue 3/923:25BKK - BWI
3 stops33h 06mMultiple Airlines
Deal found 23/7฿20,053
Fri 15/1119:30BKK - IAD
1 stop30h 40mAir China
Deal found 23/7฿20,343
Mon 9/913:30BKK - IAD
2 stops36h 43mMultiple Airlines
Deal found 23/7฿20,705
Fri 8/1101:30BKK - IAD
1 stop24h 40mAir China
Deal found 23/7฿20,777
Wed 2/1002:15BKK - IAD
1 stop24h 30mซาอุเดียแอร์ไลน์
Deal found 23/7฿21,320
Fri 15/1108:35BKK - DCA
2 stops37h 44mแอร์แคนาดา
Deal found 23/7฿21,356

Find flights to Washington, D.C. within your budget

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 12,140 searches and data was last updated on 24 July 2024.

Fly from

Any airport

Budget

฿32,034 - ฿40,179

Route

Depart

Return

Price

Bangkok SuvarnabhumiWashington, D.C. Dulles Intl

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 10/9

2 stops38h 03m

Washington, D.C. Dulles Intl

Tue 24/9

2 stops31h 37m

฿32,034

Bangkok SuvarnabhumiWashington, D.C. Dulles Intl

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 12/9

2 stops32h 20m

Washington, D.C. Dulles Intl

Sat 28/9

2 stops48h 20m

฿33,301

Bangkok SuvarnabhumiWashington, D.C. Dulles Intl

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 18/9

1 stop36h 00m

Washington, D.C. Dulles Intl

Tue 28/1

2 stops27h 30m

฿35,473

Bangkok SuvarnabhumiWashington, D.C. Dulles Intl

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 10/9

1 stop38h 30m

Washington, D.C. Dulles Intl

Tue 24/9

1 stop25h 55m

฿36,848

Bangkok SuvarnabhumiWashington, D.C. Dulles Intl

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 18/9

1 stop24h 30m

Washington, D.C. Dulles Intl

Mon 27/1

1 stop54h 30m

฿36,957

Bangkok SuvarnabhumiWashington, D.C. Dulles Intl

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sun 8/9

2 stops28h 50m

Washington, D.C. Dulles Intl

Mon 28/10

2 stops28h 00m

฿38,839

Bangkok SuvarnabhumiWashington, D.C. Dulles Intl

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 3/12

1 stop36h 10m

Washington, D.C. Dulles Intl

Thu 9/1

1 stop24h 30m

฿38,876

Bangkok SuvarnabhumiWashington, D.C. Dulles Intl

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 19/9

1 stop25h 55m

Washington, D.C. Dulles Intl

Sun 26/1

1 stop33h 30m

฿39,093

Bangkok SuvarnabhumiWashington, D.C. Dulles Intl

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 2/12

2 stops26h 57m

Washington, D.C. Dulles Intl

Thu 9/1

1 stop37h 25m

฿40,179

Flights are sorted by cheapest first

Deals found on 23/7

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.

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

Use this chart to determine the optimal time to book a return flight to Washington, D.C.. Price data was last updated on 19 July 2024.
The best time to book flights to Washington, D.C. is 77 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.
Search Deals

When is the cheapest time to fly to Washington, D.C.?

Use this chart to determine the cheapest time to fly return to Washington, D.C.. Price data was last updated on 21 July 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Users looking for the lowest fares to Washington, D.C. should consider flying on Wednesday mornings, when prices are typically cheapest. Budget-minded travellers will want to avoid Saturday evenings, when prices are usually at their highest.
Search Deals

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 24 July 2024.
To help decide which airline to fly to Washington, D.C., see what other customers have to say about United Airlines, ANA and ซาอุเดียแอร์ไลน์. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.5
Very Good
1,095 reviews

Crew

8.8

Comfort

8.3

Boarding

8.6

Entertainment

8.2

Food

8.2

Overall

8.5

Reviews

1 / 10

I like the crews’ services, especially for sr citizens who were on wheelchairs, the efficient pilots with their smooth landing of the plane back and forth, cleanliness of the restrooms and other amenities provided to the passengers! Flights were on time it’s fine with a little bit delay but we arrived on time!

8.5
Very Good
1,095 reviews
8.5
Very Good
1,095 reviews

Crew

8.8

Comfort

8.3

Boarding

8.6

Entertainment

8.2

Food

8.2

Overall

8.5

Reviews

1 / 10

I like the crews’ services, especially for sr citizens who were on wheelchairs, the efficient pilots with their smooth landing of the plane back and forth, cleanliness of the restrooms and other amenities provided to the passengers! Flights were on time it’s fine with a little bit delay but we arrived on time!

8.5
Very Good
864 reviews
8.5
Very Good
1,095 reviews

Crew

8.8

Comfort

8.3

Boarding

8.6

Entertainment

8.2

Food

8.2

Overall

8.5

Reviews

1 / 10

I like the crews’ services, especially for sr citizens who were on wheelchairs, the efficient pilots with their smooth landing of the plane back and forth, cleanliness of the restrooms and other amenities provided to the passengers! Flights were on time it’s fine with a little bit delay but we arrived on time!

8.3
Very Good
1,448 reviews
8.5
Very Good
1,095 reviews

Crew

8.8

Comfort

8.3

Boarding

8.6

Entertainment

8.2

Food

8.2

Overall

8.5

Reviews

1 / 10

I like the crews’ services, especially for sr citizens who were on wheelchairs, the efficient pilots with their smooth landing of the plane back and forth, cleanliness of the restrooms and other amenities provided to the passengers! Flights were on time it’s fine with a little bit delay but we arrived on time!

8.2
Very Good
1,368 reviews
8.5
Very Good
1,095 reviews

Crew

8.8

Comfort

8.3

Boarding

8.6

Entertainment

8.2

Food

8.2

Overall

8.5

Reviews

1 / 10

I like the crews’ services, especially for sr citizens who were on wheelchairs, the efficient pilots with their smooth landing of the plane back and forth, cleanliness of the restrooms and other amenities provided to the passengers! Flights were on time it’s fine with a little bit delay but we arrived on time!

8.1
Very Good
3,759 reviews
8.5
Very Good
1,095 reviews

Crew

8.8

Comfort

8.3

Boarding

8.6

Entertainment

8.2

Food

8.2

Overall

8.5

Reviews

1 / 10

I like the crews’ services, especially for sr citizens who were on wheelchairs, the efficient pilots with their smooth landing of the plane back and forth, cleanliness of the restrooms and other amenities provided to the passengers! Flights were on time it’s fine with a little bit delay but we arrived on time!

  • What does IAD mean?

    IAD is a unique code, commonly called an IATA code, used in the aviation industry to identify airports. This code, along with many others, are defined by IATA (International Air Transport Association). A IAD flight refers to a flight to Washington, D.C. Dulles Intl Airport. Baltimore/Washington Airport (BWI), Washington, D.C. Reagan-National Airport (DCA) are other airports near this flight destination and their unique identifiers/IATA codes.

  • 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, Japan 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 ฿947, while return flights cost around ฿12,520.

  • 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 50 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).

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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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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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