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PHL to SOF: distance & flight time
Philadelphia (Philadelphia International Airport) → Sofia (Sofia Airport)
4,803 mi
7,730 km · 4,174 nm
9h 53m
estimated nonstop flight time
+7h
time difference · heading northeast
See live PHL→SOF fares Phone-only fares on this route — call free
Flight time details
4,803 miles nonstop takes roughly 9h 53m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- PHL — Philadelphia International Airport · Philadelphia, United States
- SOF — Sofia Airport · Sofia, Bulgaria
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near PHL
- BBX · Wings Field18 mi away
- PNE · Northeast Philadelphia Airport19 mi away
- LLY · South Jersey Regional Airport22 mi away
- NXX · Willow Grove Naval Air Station/Joint Reserve Base23 mi away
Near SOF
- PDV · Plovdiv International Airport85 mi away
- INI · Nis Airport90 mi away
- SKP · Skopje Alexander the Great Airport105 mi away
- CRA · Craiova Airport115 mi away
Frequently asked questions
How far is PHL from SOF?
The flight distance from Philadelphia (PHL) to Sofia (SOF) is 4,803 miles (7,730 km, 4,174 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PHL to SOF?
A nonstop flight takes about 9h 53m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Philadelphia and Sofia?
Sofia is 7 hours ahead of Philadelphia.
What is the cheapest way to fly from PHL to SOF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PHL–SOF that never appear on search engines, with no booking fees.