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Cheap Flights from Philadelphia to Sofia $679.46

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Cheapest Flights from Philadelphia to Sofia (PHL to SOF)

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Interesting Facts About Flights from Philadelphia to Sofia (PHL to SOF)

Question : Interested in traveling in the next 30 days and want to get the lowest fare?
Answer : As of January 16th, the best day for booking to Sofia (SOF) from Philadelphia (PHL) is February 15th. Bookings have been made roughly 46% below the average price for this route.

Question : How long do most people stay in Sofia when they fly in from Philadelphia?
Answer : Travelers from PHL to SOF stay 15 days on average.

Question : Would you be willing to change your travel days if it saved you money?
Answer : In February, Thursday is your lowest-cost day to fly. Flexibility is paramount when booking travel plans in order to keep costs down.

Question : Which airline is giving the best deals for round-trip flights from Philadelphia International Airport (PHL) to Sofia Airport (SOF)?
Answer : Check out Qatar Airways, as they have been booking customers at lower fares than most.