Question : Do travelers from Saint Louis typically stay in Sofia for very long?
Answer : The average time spent in Sofia by travelers flying from STL is 11 days.
Question : Will you do what it takes to get the absolute lowest-cost flight?
Answer : Saturday is your cheapest day to fly in February. Being flexible with your travel days garners you even more savings during your booking.
Question : Do prices fluctuate more for this route than others?
Answer : Prices for this trip tend to change much more than others. Prices tend to be lower the further out you book.