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SIR to KSO: distance & flight time
Sion (Sion Airport) → Kastoria (Kastoria National Airport)
805 mi
1,296 km · 700 nm
2h 13m
estimated nonstop flight time
+1h
time difference · heading southeast
See live SIR→KSO fares Phone-only fares on this route — call free
Flight time details
805 miles nonstop takes roughly 2h 13m 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
- SIR — Sion Airport · Sion, Switzerland
- KSO — Kastoria National Airport · Kastoria, Greece
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 SIR
- AOT · Aosta Airport33 mi away
- QLS · Lausanne-Blécherette Airport41 mi away
- ZIN · Interlaken Air Base41 mi away
- MVV · Megève Airport43 mi away
Near KSO
- KZI · Filippos Airport31 mi away
- IOA · Ioannina Airport57 mi away
- OHD · Ohrid St. Paul the Apostle Airport58 mi away
- LRA · Larisa Airport83 mi away
Frequently asked questions
How far is SIR from KSO?
The flight distance from Sion (SIR) to Kastoria (KSO) is 805 miles (1,296 km, 700 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIR to KSO?
A nonstop flight takes about 2h 13m 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 Sion and Kastoria?
Kastoria is 1 hour ahead of Sion.
What is the cheapest way to fly from SIR to KSO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIR–KSO that never appear on search engines, with no booking fees.