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Washington, D.C.

$104+ 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
ACK — WAS
May 5 — May 121
Mon 5/5
Mon 5/12
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 April 30, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$217
(Delta)

One-way from

$104
(JetBlue)

Popular in

April

Cheapest in

January

Average price

$239
Provider with most accurate pricing for Boston Logan Intl-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Washington, D.C. (WAS) flights.
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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. 7% potential increase in price ($15 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 30, 2025.

This Delta deal was found by Cheapflights users on 4/29. 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.
Fri 5/303:45 pmACK - DCA
1 stop5h 03mDelta
Mon 6/26:00 amDCA - ACK
1 stop5h 24mDelta
Deal found 4/29$217
This JetBlue deal was found by Cheapflights users on 4/28. 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.
Wed 7/93:15 pmMVY - DCA
Nonstop1h 34mJetBlue
Mon 7/141:05 pmDCA - MVY
Nonstop1h 23mJetBlue
Deal found 4/28$247
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Mon 8/182:08 pmMVY - IAD
2 stops9h 51mAmerican Airlines
Sat 8/236:34 amIAD - MVY
1 stop4h 34mAmerican Airlines
Deal found 4/29$353
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Fri 6/2712:19 pmHYA - DCA
1 stop19h 21mAmerican Airlines
Mon 6/302:54 pmDCA - HYA
1 stop22h 12mAmerican Airlines
Deal found 4/28$397
This Delta deal was found by Cheapflights users on 4/28. 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.
Tue 5/273:08 pmMVY - IAD
1 stop4h 34mDelta
Tue 6/36:00 amIAD - MVY
2 stops8h 28mDelta
Deal found 4/28$408
This Delta deal was found by Cheapflights users on 4/29. 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.
Fri 5/302:12 pmACK - IAD
1 stop5h 30mDelta
Mon 6/26:00 amIAD - ACK
2 stops8h 59mDelta
Deal found 4/29$494
This JetBlue deal was found by Cheapflights users on 4/28. 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.
Mon 5/511:00 amHYA - DCA
1 stop5h 52mJetBlue
Tue 5/67:00 amDCA - HYA
1 stop3h 10mJetBlue
Deal found 4/28$547
This Delta deal was found by Cheapflights users on 4/28. 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.
Tue 5/2712:15 pmMVY - DCA
1 stop6h 30mDelta
Tue 6/311:00 amDCA - MVY
1 stop3h 28mDelta
Deal found 4/28$547
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Fri 6/2712:19 pmHYA - IAD
2 stops11h 40mAmerican Airlines
Mon 6/305:41 pmIAD - HYA
2 stops18h 07mAmerican Airlines
Deal found 4/28$608
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Sat 6/281:40 pmACK - BWI
2 stops10h 30mAmerican Airlines
Sun 6/298:19 amBWI - ACK
2 stops9h 39mAmerican Airlines
Deal found 4/28$649
This JetBlue Airways deal was found by Cheapflights users on 4/28. 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 Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/212:10 pmMVY - DCA
Nonstop1h 32mMultiple Airlines
Fri 9/268:00 amDCA - MVY
1 stop4h 15mMultiple Airlines
Deal found 4/28$661
This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/124:55 pmACK - BWI
1 stop6h 09mMultiple Airlines
Sun 6/155:45 amBWI - ACK
1 stop9h 20mMultiple Airlines
Deal found 4/28$685

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 April 30, 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

Fri 5/30

3:45 pm-8:48 pm

1 stop5h 03m

Washington, D.C. Reagan-National

Mon 6/2

6:00 am-11:24 am

1 stop5h 24m

$217

West TisburyWashington, D.C.

MVY - DCA

MVYDCA

West Tisbury Martha's Vineyard

Wed 7/9

3:15 pm-4:49 pm

Nonstop1h 34m

Washington, D.C. Reagan-National

Sun 7/13

1:05 pm-2:28 pm

Nonstop1h 23m

$247

West TisburyWashington, D.C.

MVY - IAD

MVYIAD

West Tisbury Martha's Vineyard

Mon 8/18

2:08 pm-11:59 pm

2 stops9h 51m

Washington, D.C. Dulles Intl

Sat 8/23

6:34 am-11:08 am

1 stop4h 34m

$353

HyannisWashington, D.C.

HYA - DCA

HYADCA

Hyannis Barnstable

Fri 6/27

12:19 pm-7:40 am

1 stop19h 21m

Washington, D.C. Reagan-National

Mon 6/30

2:54 pm-1:06 pm

1 stop22h 12m

$397

West TisburyWashington, D.C.

MVY - IAD

MVYIAD

West Tisbury Martha's Vineyard

Tue 5/27

3:08 pm-7:42 pm

1 stop4h 34m

Washington, D.C. Dulles Intl

Tue 6/3

6:00 am-2:28 pm

2 stops8h 28m

$408

NantucketWashington, D.C.

ACK - IAD

ACKIAD

Nantucket Memorial

Fri 5/30

2:12 pm-7:42 pm

1 stop5h 30m

Washington, D.C. Dulles Intl

Mon 6/2

6:00 am-2:59 pm

2 stops8h 59m

$494

West TisburyWashington, D.C.

MVY - DCA

MVYDCA

West Tisbury Martha's Vineyard

Tue 5/27

12:15 pm-6:45 pm

1 stop6h 30m

Washington, D.C. Reagan-National

Tue 6/3

11:00 am-2:28 pm

1 stop3h 28m

$547

HyannisWashington, D.C.

HYA - DCA

HYADCA

Hyannis Barnstable

Sat 5/10

6:00 am-11:05 am

1 stop5h 05m

Washington, D.C. Reagan-National

Mon 5/12

10:10 am-2:45 pm

1 stop4h 35m

$596

HyannisWashington, D.C.

HYA - IAD

HYAIAD

Hyannis Barnstable

Fri 6/27

12:19 pm-11:59 pm

2 stops11h 40m

Washington, D.C. Dulles Intl

Mon 6/30

5:41 pm-11:48 am

2 stops18h 07m

$608

NantucketBaltimore

ACK - BWI

ACKBWI

Nantucket Memorial

Sat 6/28

1:40 pm-12:10 am

2 stops10h 30m

Baltimore/Washington

Sun 6/29

8:19 am-5:58 pm

2 stops9h 39m

$649

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 47 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.

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 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 April 30, 2025.
Read through reviews of airlines operating flights from Cape Cod and the Islands to Washington, D.C., such as Delta, United Airlines and JetBlue. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
JetBlue
7.3
Good
2,922 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 $104. 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 West Tisbury Martha's Vineyard - Washington, D.C. Reagan-National, Hyannis Barnstable - Washington, D.C. Reagan-National and West Tisbury Martha's Vineyard - Washington, D.C. Dulles Intl.

  • 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 $309). Flying from Cape Cod and the Islands to Washington, D.C. in June is currently the most expensive (average of $373). 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 Cape Cod and the Islands?

Book flights to Cape Cod and the Islands if you plan to visit one of these locations
Alexandria
Arlington
Woodbridge
Tysons
Fairfax
Springfield
Rockville
Fredericksburg
Silver Spring
Gaithersburg
Linthicum Heights
Falls Church
Laurel
Easton
Towson
Herndon
Bowie
National Harbor
Oxon Hill
Reston

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 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$118Average$287FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$123Average$341FlexibilityNo cancel feeOn-time62%

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