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Washington, D.C.

$84+ Cheap flights from Cape Cod and the Islands to Washington, D.C. (WAS)

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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
ACK — WAS
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Cape Cod and the Islands to Washington, D.C.

Keep the following information in mind while searching for Cape Cod and the Islands to Washington, D.C. flight deals. Data was last updated September 17, 2025.

Round-trip from

$147
(JetBlue)

One-way from

$84
(Expedia)

Popular in

November

Cheapest in

January

Average price

$197
From Cape Cod and the Islands to Washington, D.C. (WAS)
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One-way flight from Cape Cod and the Islands to Washington, D.C. (WAS)
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Highest demand for flights based on searches. 4% potential increase in price ($8 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Cape Cod and the Islands to Washington, D.C.

Cheapest flights from Cape Cod and the Islands to Washington, D.C.
Explore the most affordable flight options available from Cape Cod and the Islands to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This JetBlue deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/102:26 pmMVY - DCA
Nonstop1h 34mJetBlue
Sun 10/1211:55 amDCA - MVY
Nonstop1h 24mJetBlue
Deal found 9/15$147
This JetBlue deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/32:15 pmMVY - DCA
Nonstop1h 35mJetBlue
Sun 10/511:53 amDCA - MVY
Nonstop1h 22mJetBlue
Deal found 9/15$167
This Priceline deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/112:29 pmACK - DCA
1 stop5h 35mJetBlue
Sun 10/52:59 pmDCA - ACK
Nonstop1h 27mJetBlue
Deal found 9/16$205
This JetBlue deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1910:45 amACK - DCA
Nonstop1h 35mJetBlue
Sun 9/213:00 pmDCA - ACK
Nonstop1h 27mJetBlue
Deal found 9/15$207
This Priceline deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/3012:30 pmACK - DCA
Nonstop1h 32mJetBlue
Wed 10/18:00 amDCA - ACK
1 stop5h 21mJetBlue
Deal found 9/15$225
This Priceline deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2512:30 pmACK - DCA
Nonstop1h 32mJetBlue
Sat 9/273:00 pmDCA - ACK
Nonstop1h 27mJetBlue
Deal found 9/17$227
This JetBlue deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/262:26 pmMVY - DCA
Nonstop1h 37mJetBlue
Sun 9/2811:59 amDCA - MVY
Nonstop1h 24mJetBlue
Deal found 9/17$267
This JetBlue deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2510:17 amMVY - DCA
1 stop5h 49mJetBlue
Sun 9/2811:59 amDCA - MVY
Nonstop1h 24mJetBlue
Deal found 9/17$275
This JetBlue deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/32:15 pmMVY - DCA
Nonstop1h 35mJetBlue
Mon 10/65:20 pmDCA - MVY
1 stop17h 19mJetBlue
Deal found 9/16$280
This JetBlue deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/192:26 pmMVY - DCA
Nonstop1h 37mJetBlue
Sun 9/2111:59 amDCA - MVY
Nonstop1h 24mJetBlue
Deal found 9/15$317
This Priceline deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1011:24 amMVY - DCA
1 stop7h 56mJetBlue
Mon 10/1311:55 amDCA - MVY
Nonstop1h 24mJetBlue
Deal found 9/16$319
This JetBlue deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/910:19 amMVY - DCA
1 stop6h 06mJetBlue
Mon 10/1311:55 amDCA - MVY
Nonstop1h 24mJetBlue
Deal found 9/15$320

Cheapflights Fare Finder

 
Customize your flight search to find flights from Cape Cod and the Islands to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Cape Cod and the Islands to Washington, D.C. that are best for you.

Fly from

Cape Cod and the Islands

Fly to

Washington, D.C.

Route

Depart

Return

Price

West TisburyWashington, D.C.

MVY - DCA

MVYDCA

West Tisbury Martha's Vineyard

Fri 10/10

2:26 pm-4:00 pm

Nonstop1h 34m

Washington, D.C. Reagan-National

Sun 10/12

11:55 am-1:19 pm

Nonstop1h 24m

$147

West TisburyWashington, D.C.

MVY - DCA

MVYDCA

West Tisbury Martha's Vineyard

Fri 10/10

2:26 pm-4:00 pm

Nonstop1h 34m

Washington, D.C. Reagan-National

Mon 10/13

11:55 am-1:19 pm

Nonstop1h 24m

$147

West TisburyWashington, D.C.

MVY - DCA

MVYDCA

West Tisbury Martha's Vineyard

Fri 10/3

2:15 pm-3:50 pm

Nonstop1h 35m

Washington, D.C. Reagan-National

Sun 10/5

11:53 am-1:15 pm

Nonstop1h 22m

$167

NantucketWashington, D.C.

ACK - DCA

ACKDCA

Nantucket Memorial

Tue 9/30

12:30 pm-2:02 pm

Nonstop1h 32m

Washington, D.C. Reagan-National

Wed 10/1

8:00 am-1:21 pm

1 stop5h 21m

$225

NantucketWashington, D.C.

ACK - DCA

ACKDCA

Nantucket Memorial

Wed 10/1

12:29 pm-4:25 pm

1 stop3h 56m

Washington, D.C. Reagan-National

Sun 10/5

6:25 am-11:00 am

1 stop4h 35m

$328

HyannisWashington, D.C.

HYA - DCA

HYADCA

Hyannis Barnstable

Tue 9/30

10:16 am-7:22 pm

1 stop9h 06m

Washington, D.C. Reagan-National

Sat 10/4

6:15 am-9:27 am

1 stop3h 12m

$342

HyannisWashington, D.C.

HYA - DCA

HYADCA

Hyannis Barnstable

Wed 10/1

10:16 am-7:22 pm

1 stop9h 06m

Washington, D.C. Reagan-National

Sun 10/5

11:53 am-9:05 pm

1 stop9h 12m

$377

HyannisWashington, D.C.

HYA - DCA

HYADCA

Hyannis Barnstable

Fri 1/16

12:07 pm-4:19 pm

1 stop4h 12m

Washington, D.C. Reagan-National

Mon 1/19

7:00 am-10:30 am

1 stop3h 30m

$395

HyannisWashington, D.C.

HYA - DCA

HYADCA

Hyannis Barnstable

Sat 12/6

7:58 am-2:44 pm

1 stop6h 46m

Washington, D.C. Reagan-National

Tue 12/9

7:00 am-2:00 pm

1 stop7h 00m

$450

HyannisWashington, D.C.

HYA - DCA

HYADCA

Hyannis Barnstable

Tue 11/11

4:09 pm-7:52 pm

1 stop3h 43m

Washington, D.C. Reagan-National

Thu 11/13

7:00 am-10:30 am

1 stop3h 30m

$455

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 60 results
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Best time to book a flight from Cape Cod and the Islands to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Cape Cod and the Islands with our price prediction graph.
Estimated round-trip 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 from Cape Cod and the Islands to Washington, D.C.

What is the cheapest time of day to fly from KDT to WAS?

Find hourly flight availability from Cape Cod and the Islands to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Cape Cod and the Islands to Washington, D.C. as you normally would.

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 September 17, 2025.
See what other customers who have flown with JetBlue from Cape Cod and the Islands to Washington, D.C. have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
JetBlue
7.2
Good
2,914 reviews

Overall

7.2

Comfort

7.6

Crew

8.0

Food

6.7

Boarding

7.4

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

JACK,Sep 2025

JFK - MSY

I liked the professional services of the crew. Keep up the good work.
JetBlue
7.2
Good
2,914 reviews
JetBlue
7.2
Good
2,914 reviews

Overall

7.2

Comfort

7.6

Crew

8.0

Food

6.7

Boarding

7.4

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

JACK,Sep 2025

JFK - MSY

I liked the professional services of the crew. Keep up the good work.

Related info for your journey

Find useful and relevant information for your journey from Cape Cod and the Islands to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Cape Cod and the Islands to Washington, D.C.?

    Departing from Cape Cod and the Islands to Washington, D.C. will take you 1h 34m. The distance from Cape Cod and the Islands to Washington, D.C. is about 382 mi. Generally, flights for this route are nonstop.

  • What are the most popular routes from Cape Cod and the Islands to Washington, D.C.?

    The most popular flight routes from Cape Cod and the Islands to Washington, D.C. are Hyannis Barnstable - Washington, D.C. Reagan-National, West Tisbury Martha's Vineyard - Washington, D.C. Reagan-National and Nantucket Memorial - Washington, D.C. Reagan-National.

  • Can I find deals for flights from Cape Cod and the Islands to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Cape Cod and the Islands to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Cape Cod and the Islands to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cape Cod and the Islands to Washington, D.C..

  • Can I find deals for business class flights from Cape Cod and the Islands to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Cape Cod and the Islands to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Cape Cod and the Islands to Washington, D.C.?

    Currently, August is the cheapest month in which you can book a flight from Cape Cod and the Islands to Washington, D.C. (average of $292). Flying from Cape Cod and the Islands to Washington, D.C. in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
National Harbor
Dundalk

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Cape Cod and the Islands to Washington, D.C.

Discover the top 2 airlines that operate flights from Cape Cod and the Islands to Washington, D.C.. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$146Average$249FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$289Average$393FlexibilityNo cancel feeOn-time71%

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