$124 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 8/31. 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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Flight Deals

Cheap Flights from Dulles Intl to Cape Cod and the Islands

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Boston
Bostonnonstop$137
Boston
Bostonnonstop$137

Book Cheap Dulles Intl to Cape Cod and the Islands Plane Tickets

 
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

Sat, Aug 30 - Thu, Sep 4
Delta Logo
8:23 pm - 2:46 pmIAD-ACK
18h 23m1 stop
Delta Logo
3:26 pm - 7:43 pmACK-IAD
4h 17m1 stop
$251Delta
Find Deal
Sat, Aug 30 - Fri, Sep 5
Delta Logo
8:23 pm - 2:46 pmIAD-ACK
18h 23m1 stop
Delta Logo
3:26 pm - 7:43 pmACK-IAD
4h 17m1 stop
$256Delta
Find Deal
Tue, Sep 2 - Fri, Sep 5
Delta Logo
8:23 pm - 2:46 pmIAD-ACK
18h 23m1 stop
Delta Logo
3:26 pm - 7:43 pmACK-IAD
4h 17m1 stop
$265Delta
Find Deal
Tue, Sep 2 - Thu, Sep 4
Delta Logo
8:23 pm - 2:46 pmIAD-ACK
18h 23m1 stop
Delta Logo
3:26 pm - 7:43 pmACK-IAD
4h 17m1 stop
$270Delta
Find Deal
Thu, Aug 28 - Mon, Sep 1
United Airlines Logo
6:20 am - 9:55 amIAD-ACK
3h 35m1 stop
United Airlines Logo
4:05 pm - 10:59 pmACK-IAD
6h 54m1 stop
$276United Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 16
United Airlines Logo
6:20 am - 9:55 amIAD-ACK
3h 35m1 stop
United Airlines Logo
4:31 pm - 8:41 pmACK-IAD
4h 10m1 stop
$288United Airlines
Find Deal
Wed, Sep 10 - Thu, Sep 11
 Logo
8:55 am - 3:10 pmIAD-HYA
6h 15m1 stop
 Logo
1:55 pm - 8:41 pmHYA-IAD
6h 46m2 stops
Wed, Sep 10 - Thu, Sep 11
 Logo
8:40 am - 3:10 pmIAD-HYA
6h 30m2 stops
 Logo
1:55 pm - 8:41 pmHYA-IAD
6h 46m2 stops
Mon, Aug 25 - Sun, Aug 31
American Airlines Logo
7:25 pm - 12:02 pmIAD-MVY
16h 37m3 stops
American Airlines Logo
12:32 pm - 8:39 amMVY-IAD
20h 07m2 stops
$619American Airlines
Find Deal
Fri, Aug 29 - Sun, Aug 31
American Airlines Logo
5:20 pm - 11:07 amIAD-MVY
17h 47m1 stop
American Airlines Logo
12:32 pm - 8:39 amMVY-IAD
20h 07m2 stops
$800American Airlines
Find Deal
Booking Insights

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 $1,330, 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 $217 (return) on average. On the other hand, the most expensive months are May and August, when the average cost of round-trip tickets is $322 and $322 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, which saves you about 36% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 17 weeks before departure.

Good to know

Low seasonFebruary
Cheapest flight$124
Best time to beat the crowds but there is an average 3% increase in price.
Most popular time to fly with an average 5% increase in price.
Flight from Washington Dulles Airport to Nantucket

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 $246 on average. Morning departures are around 15% 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 $354.

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

Information on your arrival and departure airports

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