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Washington, D.C.

Cheap flights from Cape Cod and the Islands to Washington, D.C. (WAS) - Compare and Save

ACK — WAS
ago. 7 — ago. 141
jue. 8/7
jue. 8/14
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 agosto 2, 2025.

Round-trip from

$177
(JetBlue)

One-way from

$85
(JetBlue)

Popular in

November

Cheapest in

January

Average price

$169
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. 5% potential increase in price ($10 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 August 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 agosto 2, 2025.

This JetBlue deal was found by Cheapflights users on 7/30. 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.
vie. 8/2210:45 amACK - DCA
Nonstop1h 35mJetBlue
lun. 8/254:00 pmDCA - ACK
Nonstop1h 26mJetBlue
Deal found 7/30$177
This JetBlue deal was found by Cheapflights users on 8/1. 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.
vie. 9/122:26 pmMVY - DCA
Nonstop1h 37mJetBlue
dom. 9/1411:59 amDCA - MVY
Nonstop1h 24mJetBlue
Deal found 8/1$177
This JetBlue deal was found by Cheapflights users on 7/31. 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.
vie. 8/2210:45 amACK - DCA
Nonstop1h 35mJetBlue
lun. 8/258:50 amDCA - ACK
1 stop4h 35mJetBlue
Deal found 7/31$192
This Delta deal was found by Cheapflights users on 7/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/224:49 pmACK - DCA
1 stop6h 07mDelta
lun. 8/2511:00 amDCA - ACK
1 stop5h 09mDelta
Deal found 7/30$196
This JetBlue deal was found by Cheapflights users on 8/1. 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.
vie. 8/2210:45 amACK - DCA
Nonstop1h 35mJetBlue
lun. 8/254:00 pmDCA - ACK
Nonstop1h 26mJetBlue
Deal found 8/1$197
This JetBlue deal was found by Cheapflights users on 8/1. 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.
vie. 8/2210:45 amACK - DCA
Nonstop1h 35mJetBlue
lun. 8/258:50 amDCA - ACK
1 stop4h 35mJetBlue
Deal found 8/1$202
This American Airlines deal was found by Cheapflights users on 8/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/204:07 pmMVY - DCA
Nonstop1h 43mAmerican Airlines
sáb. 8/232:59 pmDCA - MVY
Nonstop1h 32mAmerican Airlines
Deal found 8/1$202
This JetBlue deal was found by Cheapflights users on 7/31. 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.
vie. 9/194:10 pmACK - DCA
1 stop6h 46mJetBlue
dom. 9/216:19 amDCA - ACK
1 stop4h 41mJetBlue
Deal found 7/31$206
This Priceline deal was found by Cheapflights users on 8/1. 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.
jue. 8/710:45 amACK - DCA
Nonstop1h 35mJetBlue
mié. 8/134:00 pmDCA - ACK
Nonstop1h 26mJetBlue
Deal found 8/1$207
This Trip.com deal was found by Cheapflights users on 7/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/2910:45 amACK - DCA
Nonstop1h 35mJetBlue
vie. 9/53:26 pmDCA - ACK
Nonstop1h 28mJetBlue
Deal found 7/30$208
This American Airlines deal was found by Cheapflights users on 8/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/194:07 pmMVY - DCA
Nonstop1h 43mAmerican Airlines
jue. 8/212:08 pmDCA - MVY
Nonstop1h 29mAmerican Airlines
Deal found 8/1$212
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/223:26 pmACK - DCA
1 stop8h 15mDelta
lun. 8/2511:00 amDCA - ACK
1 stop5h 09mDelta
Deal found 7/31$221

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 agosto 2, 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

NantucketWashington, D.C.

ACK - DCA

ACKDCA

Nantucket Memorial

vie. 8/22

10:45 am-12:20 pm

Nonstop1h 35m

Washington, D.C. Reagan-National

lun. 8/25

4:00 pm-5:26 pm

Nonstop1h 26m

$177

West TisburyWashington, D.C.

MVY - DCA

MVYDCA

West Tisbury Martha's Vineyard

vie. 9/12

2:26 pm-4:03 pm

Nonstop1h 37m

Washington, D.C. Reagan-National

dom. 9/14

11:59 am-1:23 pm

Nonstop1h 24m

$177

NantucketWashington, D.C.

ACK - DCA

ACKDCA

Nantucket Memorial

vie. 8/22

10:45 am-12:20 pm

Nonstop1h 35m

Washington, D.C. Reagan-National

lun. 8/25

8:50 am-1:25 pm

1 stop4h 35m

$192

NantucketWashington, D.C.

ACK - DCA

ACKDCA

Nantucket Memorial

vie. 8/22

4:49 pm-10:56 pm

1 stop6h 07m

Washington, D.C. Reagan-National

lun. 8/25

11:00 am-4:09 pm

1 stop5h 09m

$196

NantucketWashington, D.C.

ACK - DCA

ACKDCA

Nantucket Memorial

vie. 8/22

10:45 am-12:20 pm

Nonstop1h 35m

Washington, D.C. Reagan-National

lun. 8/25

4:00 pm-5:26 pm

Nonstop1h 26m

$197

West TisburyWashington, D.C.

MVY - DCA

MVYDCA

West Tisbury Martha's Vineyard

mié. 8/20

4:07 pm-5:50 pm

Nonstop1h 43m

Washington, D.C. Reagan-National

sáb. 8/23

2:59 pm-4:31 pm

Nonstop1h 32m

$202

NantucketWashington, D.C.

ACK - DCA

ACKDCA

Nantucket Memorial

vie. 8/22

10:45 am-12:20 pm

Nonstop1h 35m

Washington, D.C. Reagan-National

lun. 8/25

8:50 am-1:25 pm

1 stop4h 35m

$202

NantucketWashington, D.C.

ACK - DCA

ACKDCA

Nantucket Memorial

vie. 9/19

4:10 pm-10:56 pm

1 stop6h 46m

Washington, D.C. Reagan-National

dom. 9/21

6:19 am-11:00 am

1 stop4h 41m

$206

NantucketWashington, D.C.

ACK - DCA

ACKDCA

Nantucket Memorial

vie. 8/29

10:45 am-12:20 pm

Nonstop1h 35m

Washington, D.C. Reagan-National

vie. 9/5

3:26 pm-4:54 pm

Nonstop1h 28m

$208

West TisburyWashington, D.C.

MVY - DCA

MVYDCA

West Tisbury Martha's Vineyard

mar. 8/19

4:07 pm-5:50 pm

Nonstop1h 43m

Washington, D.C. Reagan-National

jue. 8/21

2:08 pm-3:37 pm

Nonstop1h 29m

$212

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/1

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 agosto 2, 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 agosto 2, 2025.
See what other customers who have flown with Delta, United Airlines, and 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.
Delta
8.0
Very good
7,983 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,983 reviews
Delta
8.0
Very good
7,983 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,904 reviews
Delta
8.0
Very good
7,983 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
JetBlue
7.3
Good
2,915 reviews
Delta
8.0
Very good
7,983 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,983 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines to fly from Cape Cod and the Islands to Washington, D.C. one-way?

    The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as $85. However, be on the lookout for offers from Delta and American Airlines, as they are both options that can get you from Cape Cod and the Islands to Washington, D.C. for a low price.

  • 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 $241). Flying from Cape Cod and the Islands to Washington, D.C. in March is currently the most expensive (average of $290). 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
Fredericksburg
Gaithersburg
Towson
Linthicum Heights
Easton
Fairfax
Manassas
Falls Church
Waldorf
Laurel
Rockville
Oxon Hill
National Harbor
Dundalk
Bowie

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

Discover the top airline 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 agosto 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$136Average$261FlexibilityNo cancel feeOn-time62%

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