Saturday is generally a great day to depart. Flying on this day could help you save up to 88%.
Find a great deal and save up to 11% by booking at least 28 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Bismarck to Washington Dulles Intl within the next two weeks, with the cheapest ticket starting at $252.
February can be a great time to fly to Washington Dulles Intl from Bismarck with a flight ticket averaging about $243. Cheapflights users have found deals in the month of February for as cheap as $119. The most expensive prices can be found in the month of December.
When flying from Bismarck to Washington Dulles Intl, the time of day you fly usually plays a role in the price. Save by searching for a flight in the noon, which can drop the price by up to 18% versus a flight in the morning.