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Cape Cod and the Islands

$260+ Cheap flights from Dulles Intl (IAD) to Cape Cod and the Islands

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 12/18. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ACK
déc. 20 — déc. 271
sam. 12/20
sam. 12/27
1 adult, Economy
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Find flight deals from Dulles Intl to Cape Cod and the Islands

One-way flights from Dulles Intl to Cape Cod and the Islands
Search for one-way flight options from Dulles Intl to Cape Cod and the Islands. Find affordable one-way fares based on user searches. Data last updated novembre 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 12/185:35 amIAD - HYA
2 stops29h 27mMultiple Airlines
Deal found 11/18$260
This Kiwi.com deal was found by Cheapflights users on 11/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/247:01 pmIAD - HYA
3 stops42h 09mMultiple Airlines
Deal found 11/18$596

Cheap flight deals from Dulles Intl to Cape Cod and the Islands

Keep the following information in mind while searching for Dulles Intl to Cape Cod and the Islands flight deals. Data was last updated novembre 20, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Popular in

October

Cheapest in

January

Average price

$232
Provider with most accurate pricing for Washington, D.C. (WAS)-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Boston Logan Intl flights.
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Cape Cod and the Islands 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 novembre 20, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Cape Cod and the Islands that are best for you.

Fly from

Dulles Intl

Fly to

Cape Cod and the Islands

Route

Depart

Return

Price

Washington, D.C.Hyannis

IAD - HYA

IADHYA

Washington, D.C. Dulles Intl

jeu. 12/18

5:35 am-11:02 am

2 stops29h 27m

$260

Washington, D.C.Hyannis

IAD - HYA

IADHYA

Washington, D.C. Dulles Intl

mer. 12/24

7:01 pm-1:10 pm

3 stops42h 09m

$596

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Best time to book a flight from Dulles Intl to Cape Cod and the Islands

Have a flexible travel schedule? Discover the best time to fly to Cape Cod and the Islands from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Cape Cod and the Islands
No data available for this route at this time. Please check back soon.

Related info for your journey

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

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

    The most popular route from Washington, D.C. Dulles Intl Airport to Cape Cod and the Islands is Washington, D.C. Dulles Intl - Provincetown. You may also consider Washington, D.C. Dulles Intl - Nantucket Memorial or Washington, D.C. Dulles Intl - New Bedford Regional.

  • Can I find deals for flights from Dulles Intl to Cape Cod and the Islands that include hotel bookings?

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

  • How can I find direct flights from Dulles Intl to Cape Cod and the Islands?

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

  • Can I find deals for business class flights from Dulles Intl to Cape Cod and the Islands?

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

See more FAQs

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