Due to multiple factors, expect to potentially pay more when booking in August. For low rates, March can be a great choice for travel to Fuerteventura. Flights to Fuerteventura from Washington in March are about $942 on average during March, but can be found for as low as $533.
One of the essential ways to save on airfare from Washington to Fuerteventura is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 10% on airfare.