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KSF to SOF: distance & flight time
Kassel (Kassel-Calden Airport) → Sofia (Sofia Airport)
891 mi
1,434 km · 774 nm
2h 24m
estimated nonstop flight time
+1h
time difference · heading southeast
See live KSF→SOF fares Phone-only fares on this route — call free
Flight time details
891 miles nonstop takes roughly 2h 24m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- KSF — Kassel-Calden Airport · Kassel, Germany
- 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 KSF
- FRZ · Fritzlar Airport21 mi away
- PAD · Paderborn Lippstadt Airport36 mi away
- BFE · Bielefeld Airport52 mi away
- EIB · Eisenach-Kindel Airport56 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 KSF from SOF?
The flight distance from Kassel (KSF) to Sofia (SOF) is 891 miles (1,434 km, 774 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KSF to SOF?
A nonstop flight takes about 2h 24m 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 Kassel and Sofia?
Sofia is 1 hour ahead of Kassel.
What is the cheapest way to fly from KSF to SOF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KSF–SOF that never appear on search engines, with no booking fees.