Most travellers find the cheapest round-trip flights to Washington when choosing a flight departing in March.
From most locations, to find the best deals on airfare, our data shows that users booking 60 days before flying found the cheapest flight to Washington.
From most locations, the cheapest flights to Washington are found on a Thursday. Booking a Sunday departure is usually the most expensive.
Typically, cheap prices to Washington are most often found for afternoon flights. Cheap prices are less likely for noon flights.