Question : Looking for the cheapest flight over the next 30 days?
Answer : As of December 5th, the cheapest day to fly from Sofia to Boston is December 15th. Tickets have been sold for 11% below the average price for this route.
Question : How many days should you spend in Boston if you're flying in from Sofia?
Answer : Travelers from SOF to BOS stay 41 days on average.
Question : If your plans are flexible, have you considered changing your departure day?
Answer : The cheapest day to fly in December is Tuesday. Flexibility is paramount when booking travel plans in order to keep costs down.
Question : Are prices changing frequently for this route?
Answer : Flight prices for SOF to BOS change a lot more than the majority of routes. However, the sooner you book, the better price you tend to get.