Sofia (SOF) → Philadelphia (PHL)
About Sofia to Philadelphia Flights
Discover the best flights from Sofia to Philadelphia, covering 7,730 km in approximately 10h 10m. Sofia (SOF) to Philadelphia (PHL) is one of the major long-haul routes connecting Bulgaria and United States. With 7 major airlines operating this route, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Sofia to Philadelphia.
12-Month Price History
Flight prices from Sofia to Philadelphia vary significantly throughout the year. February typically offers the best deals with average prices around $1415, while July sees the highest prices, averaging $2362. Savvy travelers can save up to 40% by choosing their travel dates wisely.
Best Time to Fly
Cheapest Month
February
Save up to 40% on average
Most Expensive
July
Peak season pricing
Book in Advance
159 days
For best prices
Booking Tips
For the best prices on Sofia to Philadelphia flights, we recommend booking 134 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.
Airlines Serving This Route
| Airline | Economy | Business | First |
|---|---|---|---|
Delta Air Lines DL | $2470 | $8840 | $16460 |
UPS Airlines 5X | $2470 | $10430 | $14650 |
United Airlines UA | $2540 | $8830 | $15270 |
American Airlines AA | $2770 | $9220 | $14180 |
Piedmont Airlines PT | $2790 | $7980 | $15080 |
Bulgaria Air FB | $3010 | $9650 | $16680 |
British Airways BA | $3020 | $11310 | $15460 |
Delta Air Lines
DL
Economy
$2470
Business
$8840
First
$16460
UPS Airlines
5X
Economy
$2470
Business
$10430
First
$14650
United Airlines
UA
Economy
$2540
Business
$8830
First
$15270
American Airlines
AA
Economy
$2770
Business
$9220
First
$14180
Piedmont Airlines
PT
Economy
$2790
Business
$7980
First
$15080
Bulgaria Air
FB
Economy
$3010
Business
$9650
First
$16680
British Airways
BA
Economy
$3020
Business
$11310
First
$15460
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
Alternative Flight Options
Skopje → Philadelphia
Skopje International (SKP) to Philadelphia International (PHL)
Distance: 7,658 km
Average price: $1623
Pristina → Philadelphia
Pristina International (PRN) to Philadelphia International (PHL)
Distance: 7,580 km
Average price: $1608
Skopje → Philadelphia
Skopje (SKP) to Philadelphia International (PHL)
Distance: 7,658 km
Average price: $1623
Sofia → New York
Sofia (SOF) to John F. Kennedy International (JFK)
Distance: 7,580 km
Average price: $1608
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Frequently Asked Questions
How long is the flight from Sofia to Philadelphia?
The flight time from Sofia (SOF) to Philadelphia (PHL) is approximately 10 hours and 10 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.
What is the distance between Sofia and Philadelphia?
The aerial distance between Sofia and Philadelphia is 7,730 kilometers (4,803 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from Sofia to Philadelphia?
Several airlines operate flights between Sofia and Philadelphia, including Bulgaria Air, Piedmont Airlines, UPS Airlines and 4 more airlines. Most flights on this route include one or more stops.
What is the cheapest month to fly from Sofia to Philadelphia?
Based on historical data, February typically offers the lowest airfares for flights from Sofia to Philadelphia. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.
How far in advance should I book my flight to Philadelphia?
For the best prices on Sofia to Philadelphia flights, we recommend booking 130 days in advance. International flights generally require earlier booking than domestic routes.
Do I need a visa to travel from Sofia to Philadelphia?
Visa requirements depend on your nationality and the purpose of your visit. Citizens of Bulgaria traveling to United States should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.
What is the time difference between Sofia and Philadelphia?
Sofia operates on Europe/Sofia time zone, while Philadelphia is in the America/New_York time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.