When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 28 days in advance, which can save you up to 11% on flights from Baltimore to Washington Dulles Intl compared to booking the week you need them. Waiting 28 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $252. For sooner than that we have options available in the next 3 days from $276.
Our data shows that February tends to be the cheapest month to fly to Washington Dulles Intl from Baltimore. Users have commonly found prices around $243 for the month, but tickets can be as low as $119. Due to multiple factors, prepare for potentially higher prices in December.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Baltimore to Washington Dulles Intl as you normally would.