Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 17% on the overall cost on flights from Boston to Bourgas.
One of the essential ways to save on airfare from Boston to Bourgas is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. If a flight is in the noon is possible it can save you up to 6% on airfare.