Question : What is the cheapest day to fly in the next four weeks?
Answer : Mar 19th has seen bookings (as of Feb 20th) as cheap as $506. That comes in 29% below the average price for this route. Saving on booking fees means you'll have more money to spend on your trip.
Question : Is the price you found a good deal?
Answer : Prices for this trip tend to change a lot more than other flights from the United States. They can vary anywhere from $506 to $1,315. Prices tend to be lower the further out you book.
Question : How long do most people stay in Sofia?
Answer : Of course you're not most people, but if you were, you'd stay roughly 16 days.
Question : If your plans are flexible, have you considered changing your departure day?
Answer : Sunday is your lowest-cost day to fly in March. Flexibility is paramount when booking travel plans in order to keep travel costs down.