$387+ Cheap flights from Washington 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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ACK
Dec 25 — Jan 11
1 adult, Economy
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1. Tell us where you want to go
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Cheapest flights from Washington to Cape Cod and the IslandsExplore the most affordable flight options available from Washington to Cape Cod and the Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 25, 2025.
Explore the most affordable flight options available from Washington to Cape Cod and the Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 25, 2025.
This Expedia deal was found by Cheapflights users on 11/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/127:44 pmPDX - MVY
2 stops16h 51mMultiple Airlines
Sun 12/1410:10 amMVY - PDX
1 stop13h 00mMultiple Airlines
Deal found 11/23![Multiple Airlines logo]()
$979
Cheap flight deals from Washington to Cape Cod and the Islands
Keep the following information in mind while searching for Washington to Cape Cod and the Islands flight deals. Data was last updated November 25, 2025.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $979 (Expedia) |
One-way from | $387 (Travelocity) |
Popular in | December |
Cheapest in | January |
Average price | $377 |
Cheapflights Fare Finder
Customize your flight search to find flights from Washington 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 November 25, 2025.
Use the filters below to find and compare flights from Washington to Cape Cod and the Islands that are best for you.
Fly from
Washington
Fly to
Cape Cod and the Islands
Route
Depart
Return
Price
PortlandWest Tisbury
PDX - MVY
PDXMVY
Portland
Fri 12/12
7:44 pm-3:35 pm
2 stops16h 51m
West Tisbury Martha's Vineyard
Sun 12/14
10:10 am-8:10 pm
1 stop13h 00m
$979
PortlandNantucket
PDX - ACK
PDXACK
Portland
Wed 12/31
9:42 pm-9:25 am
1 stop8h 43m
$387
PortlandNantucket
PDX - ACK
PDXACK
Portland
Tue 12/30
2:29 pm-3:50 pm
3 stops22h 21m
$534
PortlandNew Bedford
PDX - EWB
PDXEWB
Portland
Sun 11/30
7:06 am-7:18 pm
2 stops9h 12m
$1,527
Best time to book a flight from Washington to Cape Cod and the Islands
Have a flexible travel schedule? Discover the best time to fly to Cape Cod and the Islands from Washington 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
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Related info for your journey
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Alternative routes for Washington to Cape Cod and the Islands
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Washington to Cape Cod and the Islands
Discover the top airline that operate flights from Washington to Cape Cod and the Islands. 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 November 25, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$465 | Average$619 | FlexibilityNo cancel fee | On-time62% |