$114 Find Cheap Flights from Washington Dulles Airport to Cape Cod and the Islands

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Dulles Intl to Cape Cod and the Islands departing on 8/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Cape Cod and the Islands

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Cape Cod and the Islands, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Cape Cod and the Islands, as well as popular online travel agencies
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Best Cape Cod and the Islands Flight Deals from Dulles Intl

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Boston
Boston1 stop$115
Boston
Boston1 stop$115

Cheap Flights from Dulles Intl to Cape Cod and the Islands

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Dulles Intl to Cape Cod and the Islands that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Dulles Intl to Cape Cod and the Islands

Mon, Sep 1 - Thu, Sep 4
United Airlines Logo
6:20 am - 9:55 amIAD-ACK
3h 35m1 stop
United Airlines Logo
4:16 pm - 8:41 pmACK-IAD
4h 25m1 stop
$241United Airlines
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Tue, Jul 15 - Fri, Jul 18
Delta Logo
6:00 am - 2:42 pmIAD-MVY
8h 42m2 stops
Delta Logo
2:13 pm - 7:51 pmMVY-IAD
5h 38m1 stop
$252Delta
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Tue, Sep 2 - Fri, Sep 5
Delta Logo
6:00 am - 4:09 pmIAD-ACK
10h 09m2 stops
Delta Logo
3:26 pm - 7:43 pmACK-IAD
4h 17m1 stop
$268Delta
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Sun, Aug 31 - Thu, Sep 4
Delta Logo
6:00 am - 2:46 pmIAD-ACK
8h 46m2 stops
Delta Logo
3:26 pm - 7:43 pmACK-IAD
4h 17m1 stop
$288Delta
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Fri, Aug 8 - Fri, Aug 15
American Airlines Logo
7:44 am - 5:08 pmIAD-MVY
9h 24m2 stops
American Airlines Logo
2:03 pm - 10:56 pmMVY-IAD
8h 53m2 stops
$297American Airlines
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Mon, Aug 11 - Wed, Aug 13
Delta Logo
6:00 am - 2:40 pmIAD-MVY
8h 40m2 stops
Delta Logo
11:58 am - 10:55 pmMVY-IAD
10h 57m2 stops
$300Delta
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Tue, Aug 19 - Fri, Aug 22
Delta Logo
6:00 am - 2:46 pmIAD-ACK
8h 46m2 stops
Delta Logo
3:26 pm - 7:43 pmACK-IAD
4h 17m1 stop
$303Delta
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Sat, Aug 16 - Sat, Aug 30
American Airlines Logo
6:34 am - 11:11 amIAD-ACK
4h 37m1 stop
American Airlines Logo
11:57 am - 7:42 pmACK-IAD
7h 45m1 stop
$321American Airlines
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Sat, Aug 23 - Sun, Aug 24
Logo
8:40 am - 8:49 pmIAD-HYA
12h 09m2 stops
Logo
6:00 am - 10:44 pmHYA-IAD
16h 44m2 stops
$447
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Sat, Aug 23 - Sun, Aug 24
Logo
8:40 am - 8:49 pmIAD-HYA
12h 09m2 stops
Logo
1:15 pm - 11:13 amHYA-IAD
21h 58m1 stop
$472
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KAYAK's insights & trends for Dulles Intl to Cape Cod and the Islands flights

Get data-powered insights and trends into flights from Dulles Intl to Cape Cod and the Islands to help you find the cheapest flights, the best time to fly and much more.

Can I save money by flying with a layover from Washington, D.C. Dulles Intl Airport to Cape Cod and the Islands?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $1,312, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Cape Cod and the Islands?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Washington, D.C. Dulles Intl Airport to Cape Cod and the Islands, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Washington, D.C. Dulles Intl Airport to Cape Cod and the Islands is January, when tickets cost $214 (return) on average. On the other hand, the most expensive months are May and September, when the average cost of round-trip tickets is $322 and $301 respectively.

What’s the cheapest day of the week to fly from Washington Dulles Airport to Cape Cod and the Islands?

The average price of all round-trip flights from Washington, D.C. Dulles Intl Airport to Cape Cod and the Islands clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Washington Dulles Airport to Cape Cod and the Islands, look for departures on Wednesdays and avoid leaving on a Sunday, as it's usually the priciest day. When flying back from Cape Cod and the Islands, Friday is the cheapest day to fly and Tuesday is the most expensive.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Cape Cod and the Islands?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Washington, D.C. Dulles Intl Airport to Cape Cod and the Islands, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Washington, D.C. Dulles Intl Airport to Cape Cod and the Islands, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 17 weeks before departure.

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Good to know

Low seasonFebruary
High seasonJuly
Cheapest flight$114
Best time to beat the crowds but there is an average 2% increase in price.
Most popular time to fly and prices are also 0% lower on average.
Flight from Washington Dulles Airport to West Tisbury

FAQs - booking Cape Cod and the Islands flights

  • How does KAYAK find such low prices on flights from Washington Dulles Airport to Cape Cod and the Islands?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington Dulles Airport to Cape Cod and the Islands.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington Dulles Airport to Cape Cod and the Islands?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Washington Dulles Airport to Cape Cod and the Islands is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington Dulles Airport to Cape Cod and the Islands?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Washington Dulles Airport to Cape Cod and the Islands with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington Dulles Airport to Cape Cod and the Islands?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Washington Dulles Airport to Cape Cod and the Islands up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Cape Cod and the Islands?

    The cheapest time of day to fly to Cape Cod and the Islands is generally at night, when round-trip flights cost $235 on average. Morning departures are around 17% cheaper than evening flights, on average. The most expensive time of day to fly to Cape Cod and the Islands is generally in the evening, which is peak travel time and where the average cost of a ticket is $358.

Everything you need to know for your flight to Cape Cod and the Islands

Information on your arrival and departure airports

Washington Dulles Airport (IAD)

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