Cheap Flights from Philadelphia to Sofia
No deal from Philadelphia to Sofia has cleared our price bar yet. What we have seen on the route is below.
Across 3 months of observations from Philadelphia to Sofia, the lowest round-trip fare we recorded was $565, in September. The typical fare was $679. September was the cheapest month we saw and August the dearest.
The most recent price we saw on this route was $679 on American and British Airways, seen Oct 17. It is an unverified observation and may have changed.
See every deal <a href="/from/philadelphia">from Philadelphia</a>, <a href="/to/sofia">to Sofia</a>, or the return direction <a href="/from/sofia/to/philadelphia">Sofia to Philadelphia</a>.
Latest price we saw: Philadelphia to Sofia
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 |
|---|---|---|---|---|---|---|
| Philadelphia (PHL) to Sofia (SOF) | $679 | 7.1¢ | Nov 15 – Nov 23 | American and British Airways | Oct 17 | Check price |
Price history: Philadelphia to Sofia
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $679 | $703 | 15 |
| Sep 2026 | $565 | $631 | 36 |
| Aug 2026 | $689 | $704 | 46 |
Frequently asked questions
How many flight deals from Philadelphia to Sofia are on Sparkflights right now?
There are 0 verified deals from Philadelphia to Sofia on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Philadelphia to Sofia?
The lowest fare we've recorded from Philadelphia to Sofia is $565, based on 97 price observations over 3 months.
How much does a flight from Philadelphia to Sofia cost?
The typical round-trip fare we observed from Philadelphia to Sofia is $679, against a recorded low of $565. These are observations, not quotes.
When is the cheapest month to fly Philadelphia to Sofia?
September was the cheapest month we observed from Philadelphia to Sofia and August the dearest, over 3 months of data.
What is the current price from Philadelphia to Sofia?
The most recent fare our sweep saw from Philadelphia to Sofia is $679, on Oct 17. It is an unverified observation rather than a verified deal, so check it before booking.