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Cape Cod and the Islands

$290+ 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 6/30. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MVY
feb. 7 — feb. 141
sáb. 2/7
sáb. 2/14
1 adult, Economy
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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 enero 8, 2026.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$397
(Delta)

One-way from

$290
(Delta)

Popular in

October

Cheapest in

February

Average price

$181
Provider with most accurate pricing for Washington, D.C. (WAS)-Boston Logan Intl flight deals.
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From Washington, D.C. Dulles Intl to Cape Cod and the Islands
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One-way flight from Washington, D.C. Dulles Intl to Cape Cod and the Islands
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Highest demand for flights based on searches. 9% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Dulles Intl to Cape Cod and the Islands

Cheapest flights from Dulles Intl to Cape Cod and the Islands
Explore the most affordable flight options available from Dulles Intl to Cape Cod and the Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 8, 2026.

This United Airlines deal was found by Cheapflights users on 1/8. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/106:00 amIAD - ACK
1 stop3h 56mUnited Airlines
vie. 8/144:15 pmACK - IAD
1 stop6h 45mUnited Airlines
Deal found 1/8$376
This Delta deal was found by Cheapflights users on 1/5. 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.
mié. 6/246:00 amIAD - MVY
2 stops10h 17mDelta
mar. 6/303:10 pmMVY - IAD
1 stop4h 06mDelta
Deal found 1/5$397
This American Airlines deal was found by Cheapflights users on 1/6. 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.
sáb. 8/228:19 pmIAD - HYA
2 stops18h 03mAmerican Airlines
sáb. 8/291:02 pmHYA - IAD
2 stops10h 57mAmerican Airlines
Deal found 1/6$398
This United Airlines deal was found by Cheapflights users on 1/6. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/176:00 amIAD - ACK
1 stop3h 56mUnited Airlines
mié. 8/194:15 pmACK - IAD
1 stop6h 45mUnited Airlines
Deal found 1/6$438
This Delta deal was found by Cheapflights users on 1/5. 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.
mié. 6/246:00 amIAD - MVY
2 stops10h 17mDelta
vie. 7/33:10 pmMVY - IAD
1 stop4h 06mDelta
Deal found 1/5$472
This Delta deal was found by Cheapflights users on 1/8. 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.
sáb. 6/66:00 amIAD - MVY
2 stops10h 17mDelta
sáb. 6/133:10 pmMVY - IAD
1 stop4h 06mDelta
Deal found 1/8$504
This Delta deal was found by Cheapflights users on 1/8. 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.
lun. 8/310:40 amIAD - ACK
2 stops7h 25mDelta
vie. 8/72:10 pmACK - IAD
1 stop5h 06mDelta
Deal found 1/8$534
This American Airlines deal was found by Cheapflights users on 1/8. 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. 8/56:34 amIAD - MVY
2 stops7h 03mAmerican Airlines
mar. 8/112:07 pmMVY - IAD
2 stops9h 52mAmerican Airlines
Deal found 1/8$599
This American Airlines deal was found by Cheapflights users on 1/7. 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.
lun. 6/291:06 pmIAD - HYA
2 stops23h 53mAmerican Airlines
mar. 8/251:02 pmHYA - IAD
2 stops10h 57mAmerican Airlines
Deal found 1/7$600
This American Airlines deal was found by Cheapflights users on 1/8. 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.
jue. 7/235:45 pmIAD - ACK
2 stops16h 09mAmerican Airlines
mar. 7/2810:24 amACK - IAD
2 stops11h 34mAmerican Airlines
Deal found 1/8$604
This Delta deal was found by Cheapflights users on 1/7. 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.
sáb. 8/156:00 amIAD - MVY
2 stops8h 19mDelta
vie. 8/213:10 pmMVY - IAD
1 stop4h 06mDelta
Deal found 1/7$614
This Delta deal was found by Cheapflights users on 1/8. 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.
mié. 8/56:00 amIAD - MVY
2 stops8h 19mDelta
mar. 8/113:10 pmMVY - IAD
1 stop4h 06mDelta
Deal found 1/8$634

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 enero 8, 2026.
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.West Tisbury

IAD - MVY

IADMVY

Washington, D.C. Dulles Intl

mié. 6/24

6:00 am-4:17 pm

2 stops10h 17m

West Tisbury Martha's Vineyard

mar. 6/30

3:10 pm-7:16 pm

1 stop4h 06m

$397

Washington, D.C.West Tisbury

IAD - MVY

IADMVY

Washington, D.C. Dulles Intl

mié. 6/24

6:00 am-4:17 pm

2 stops10h 17m

West Tisbury Martha's Vineyard

vie. 7/3

3:10 pm-7:16 pm

1 stop4h 06m

$472

Washington, D.C.West Tisbury

IAD - MVY

IADMVY

Washington, D.C. Dulles Intl

sáb. 6/6

6:00 am-4:17 pm

2 stops10h 17m

West Tisbury Martha's Vineyard

sáb. 6/13

3:10 pm-7:16 pm

1 stop4h 06m

$504

Washington, D.C.Hyannis

IAD - HYA

IADHYA

Washington, D.C. Dulles Intl

lun. 6/29

1:06 pm-12:59 pm

2 stops23h 53m

Hyannis Barnstable

mar. 8/25

1:02 pm-11:59 pm

2 stops10h 57m

$600

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

sáb. 7/4

6:00 am-9:56 am

1 stop3h 56m

Nantucket Memorial

sáb. 7/11

4:15 pm-11:00 pm

1 stop6h 45m

$649

Washington, D.C.West Tisbury

IAD - MVY

IADMVY

Washington, D.C. Dulles Intl

mié. 6/24

6:00 am-2:19 pm

2 stops8h 19m

West Tisbury Martha's Vineyard

sáb. 7/4

3:10 pm-7:16 pm

1 stop4h 06m

$654

Washington, D.C.Nantucket

IAD - ACK

IADACK

Washington, D.C. Dulles Intl

mié. 5/27

6:00 am-9:56 am

1 stop3h 56m

Nantucket Memorial

dom. 5/31

4:15 pm-11:00 pm

1 stop6h 45m

$678

Washington, D.C.West Tisbury

IAD - MVY

IADMVY

Washington, D.C. Dulles Intl

jue. 6/25

6:00 am-4:17 pm

2 stops10h 17m

West Tisbury Martha's Vineyard

vie. 7/3

3:10 pm-7:16 pm

1 stop4h 06m

$733

Washington, D.C.West Tisbury

IAD - MVY

IADMVY

Washington, D.C. Dulles Intl

jue. 6/11

6:00 am-2:19 pm

2 stops8h 19m

West Tisbury Martha's Vineyard

mar. 6/16

3:10 pm-7:16 pm

1 stop4h 06m

$753

Washington, D.C.West Tisbury

IAD - MVY

IADMVY

Washington, D.C. Dulles Intl

sáb. 6/27

6:00 am-4:17 pm

2 stops10h 17m

West Tisbury Martha's Vineyard

sáb. 7/4

3:10 pm-7:16 pm

1 stop4h 06m

$754

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 24 results
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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.

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

    A quick flight from Washington, D.C. Dulles Intl Airport to Cape Cod and the Islands can take about 3h 56m. Delta provides one of the quickest options available for as low as $649. The distance between Washington, D.C. Dulles Intl Airport and Cape Cod and the Islands is about 421 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 - West Tisbury Martha's Vineyard. You may also consider Washington, D.C. Dulles Intl - Nantucket Memorial or Washington, D.C. Dulles Intl - Provincetown.

  • 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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Alternative routes for Dulles Intl to Cape Cod and the Islands

See prices for flight routes from nearby airports that may be better suited for you.
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