It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.
Find a great deal and save up to 111% by booking at least 31 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 Hilo to Washington Dulles Intl within the next two weeks, with the cheapest ticket starting at $235.
Due to multiple factors, expect to potentially pay more when booking in September. For low rates, April can be a great choice for travel to Washington Dulles Intl. Flights to Washington Dulles Intl from Hilo in April are about $172 on average during April, but can be found for as low as $113.
It’s optimal to fly from Hilo to Washington Dulles Intl at noon. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight in the morning.