$228 Find Cheap Flights from Washington Dulles Airport to Cape Cod and the Islands - Compare and Save

The cheapest time of day to fly to Cape Cod and the Islands is generally at night, when round-trip flights cost $253 on average. Morning departures are around 12% 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 $370.

No, with an average price for the route of $559, prices are generally cheapest when you fly direct.

If you are looking for a flight deal from Washington Dulles Airport to Cape Cod and the Islands, look for departures on Saturdays 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 Sunday is the most expensive.

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 33% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 22 weeks before departure.

The earliest flight from Washington, D.C. Dulles Intl Airport to Cape Cod and the Islands departs at 8:35 am, landing in Boston at 10:18 am.

If you prefer to fly at night, the latest flight from Washington, D.C. Dulles Intl Airport to Cape Cod and the Islands jets off at 10:25 pm and lands in Boston at 12:09 am.