Question : What day in the next four weeks has the best fares?
Answer : Apr 19th has seen bookings (as of Mar 20th) as cheap as $858. That comes in 61% below the average price for this route. Saving on flight costs means you'll have more cash to spend on your trip.
Question : Do prices fluctuate more for this route than others?
Answer : Flight prices are fluctuating much more for this route than the majority of routes from the United States, as they're ranging anywhere from $858 to $4,047. Prices tend to be lower the further out you book.
Question : How many days should you spend in Sofia?
Answer : Passengers from AUS to SOF stay about one week on average.
Question : Would you be willing to change your travel days if it saved you money?
Answer : In April, Wednesday is your cheapest day to fly. Being flexible with your travel days garners even more savings during booking.