Cheap Flights from Sofia to Philadelphia
No deal from Sofia to Philadelphia has cleared our price bar yet. What we have seen on the route is below.
Across 3 months of observations from Sofia to Philadelphia, the lowest round-trip fare we recorded was $796, in October. The typical fare was $802. October was the cheapest month we saw and September the dearest.
The most recent price we saw on this route was $800 on Discover Airlines, Lufthansa, SWISS, and United, seen Oct 16. It is an unverified observation and may have changed.
See every deal <a href="/from/sofia">from Sofia</a>, <a href="/to/philadelphia">to Philadelphia</a>, or the return direction <a href="/from/philadelphia/to/sofia">Philadelphia to Sofia</a>.
Latest price we saw: Sofia to Philadelphia
The most recent round-trip fare our sweep found on this route. It is not verified and may have changed since the date shown.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| Sofia (SOF) to Philadelphia (PHL) | $800 | 8.3¢ | Jan 14 – Jan 20 | Discover Airlines, Lufthansa, SWISS, and United | Oct 16 | Check price |
Price history: Sofia to Philadelphia
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $796 | $803 | 4 |
| Sep 2026 | $802 | $802 | 2 |
| Aug 2026 | $797 | $802 | 8 |
Frequently asked questions
How many flight deals from Sofia to Philadelphia are on Sparkflights right now?
There are 0 verified deals from Sofia to Philadelphia on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Sofia to Philadelphia?
The lowest fare we've recorded from Sofia to Philadelphia is $796, based on 14 price observations over 3 months.
How much does a flight from Sofia to Philadelphia cost?
The typical round-trip fare we observed from Sofia to Philadelphia is $802, against a recorded low of $796. These are observations, not quotes.
When is the cheapest month to fly Sofia to Philadelphia?
October was the cheapest month we observed from Sofia to Philadelphia and September the dearest, over 3 months of data.
What is the current price from Sofia to Philadelphia?
The most recent fare our sweep saw from Sofia to Philadelphia is $800, on Oct 16. It is an unverified observation rather than a verified deal, so check it before booking.