In general, when booking your flight to Washington, February is the cheapest month on average.
On average, from most locations, when planning your trip to Washington, try to book your flight in the region of 60 days in advance for the cheapest prices.
In general, booking your departure to Washington for a Tuesday represents the best deal on airfare. Try to avoid a Saturday departure to stay away from the highest prices.
In general, when looking for the cheapest flight to Washington, our data indicates that midday flights are the most cost-effective. afternoon flights tend to be the most expensive.