Question : In the next four weeks, what day should you book your trip?
Answer : Since low prices are preferred, look at Mar 4th. As of Feb 20th, it's showing the cheapest ticket sales at $853. That is 68% below the average price for this route, so you can spend that extra money on an adventure rather than the flight.
Question : What price range should you expect when booking from Saint Louis (STL) to Sofia (SOF)?
Answer : Ranging anywhere from $853 to $5,048, prices for STL to SOF do change a lot more than most routes from the United States. The further out you book a route, the more likely you are to save.
Question : How many days should you spend in Sofia?
Answer : Over the next two months, travelers from STL to SOF are planning on staying for 10 days on average.
Question : If your plans are flexible, have you considered changing your departure day?
Answer : Saturday is your lowest-cost day to fly in March. Being flexible with your travel days garners even more savings during booking.