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Cheap Flights from Philadelphia to Sofia $658.66

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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 : What is the cheapest day to fly in the next four weeks?
Answer : December 12th offers bookings (as of December 5th) that are 36% below the average price for this route. Saving on flight costs means you'll have more money to spend on your trip.

Question : Do travelers from Philadelphia typically stay in Sofia for very long?
Answer : The average time spent in Sofia by passengers flying from PHL is 23 days.

Question : Is price more important than specific travel days for you?
Answer : For the month of December, the cheapest day to fly is Friday. Being flexible with your travel days garners you even more savings during your booking.

Question : Are prices changing frequently for this route?
Answer : Flight prices for PHL to SOF fluctuate much more than most routes. Remember, you can save by booking further in advance.