HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
District of Columbia

$104+ Cheap flights from Cape Cod and the Islands to District of Columbia

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 — IAD
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Cape Cod and the Islands to District of Columbia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Cape Cod and the Islands to District of Columbia

Keep the following information in mind while searching for Cape Cod and the Islands to District of Columbia 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.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Washington, D.C. (WAS) flights.
Search Deals
From Cape Cod and the Islands to District of Columbia
Search Deals
One-way flight from Cape Cod and the Islands to District of Columbia
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Cape Cod and the Islands to District of Columbia

Cheapest flights from Cape Cod and the Islands to District of Columbia
Explore the most affordable flight options available from Cape Cod and the Islands to District of Columbia. 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 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 JetBlue Airways 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 JetBlue Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/142:23 pmACK - DCA
1 stop3h 37mMultiple Airlines
Sun 5/187:00 amDCA - ACK
1 stop3h 41mMultiple Airlines
Deal found 4/29$795
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/213:00 pmMVY - IAD
1 stop16h 10mMultiple Airlines
Fri 9/2610:18 pmIAD - MVY
1 stop9h 47mMultiple Airlines
Deal found 4/28$924

Cheapflights Fare Finder

Customize your flight search to find flights from Cape Cod and the Islands to District of Columbia 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 District of Columbia that are best for you.

Fly from

Cape Cod and the Islands

Fly to

District of Columbia

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

West TisburyWashington, D.C.

MVY - DCA

MVYDCA

West Tisbury Martha's Vineyard

Sun 9/21

2:10 pm-3:42 pm

Nonstop1h 32m

Washington, D.C. Reagan-National

Fri 9/26

8:00 am-12:15 pm

1 stop4h 15m

$661

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 36 results
1
2
3
4

Best time to book a flight from Cape Cod and the Islands to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia 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 District of Columbia

Rainfall in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in District of Columbia 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 District of Columbia when rainfall is around 2.6 in.

Temperature in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to District of Columbia, 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 District of Columbia

Get insights into the airlines that provide service to District of Columbia. 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 District of Columbia. Reviews last updated April 30, 2025.
Get a feel of what it's like to fly with Delta, United Airlines and JetBlue from Cape Cod and the Islands to District of Columbia by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

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
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

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
7,936 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

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
7,936 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

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
7,936 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

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 District of Columbia. 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 District of Columbia one-way?

    The cheapest airlines for a one-way flight from Cape Cod and the Islands to District of Columbia are JetBlue ($104), Delta ($123), and American Airlines ($159).

  • Can I find deals for flights from Cape Cod and the Islands to District of Columbia that include hotel bookings?

    Yes. In addition to deals on Cape Cod and the Islands to District of Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Cape Cod and the Islands to District of Columbia?

    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 District of Columbia.

  • Can I find deals for business class flights from Cape Cod and the Islands to District of Columbia?

    Yes. Cheapflights offers flight deals from Cape Cod and the Islands to District of Columbia 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 District of Columbia?

    Currently, August is the cheapest month in which you can book a flight from Cape Cod and the Islands to District of Columbia (average of $309). Flying from Cape Cod and the Islands to District of Columbia 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

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.

Alternative routes for Cape Cod and the Islands to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Los Angeles flights
Boston to Las Vegas flights
Boston to O'Hare Intl flights
Boston to Miami flights
Boston to Orlando flights
Boston to Seattle flights
Boston to Reagan-National flights
Boston to San Francisco flights
Boston to Dallas/Fort Worth flights
Boston to Baltimore flights
Boston to Dulles Intl flights
Boston to Fort Lauderdale flights
Boston to Newark flights
Boston to Denver flights
Boston to Tampa flights
Boston to John F Kennedy Intl flights
Boston to LaGuardia flights
Boston to Nashville flights
Boston to Charlotte flights
Boston to Sky Harbor Intl flights
Boston to Hobby flights
Boston to Philadelphia flights
Boston to Atlanta flights
Hartford to O'Hare Intl flights
Hartford to Orlando flights
Boston to George Bush Intcntl flights
Boston to Austin flights
Boston to Charleston flights
Hartford to Denver flights
Boston to Jacksonville flights
Boston to Salt Lake City flights
Boston to San Diego flights
Boston to Fort Myers flights
Boston to Midway flights
Boston to Minneapolis flights
Boston to Pittsburgh flights
Boston to Portland flights
Boston to Detroit flights
Boston to Cincinnati flights
Hartford to Las Vegas flights
Boston to Raleigh flights
Boston to New Orleans flights
Boston to Savannah flights
Boston to West Palm Beach flights
Boston to Columbus flights
Boston to Indianapolis flights
Boston to Richmond flights
Boston to Honolulu flights
Hartford to Tampa flights
Boston to Myrtle Beach flights

Top 2 airlines flying from Cape Cod and the Islands to District of Columbia

Discover the top 2 airlines that operate flights from Cape Cod and the Islands to District of Columbia. 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%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.