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KSO to BOI: distance & flight time
Kastoria (Kastoria National Airport) → Boise (Boise Air Terminal/Gowen Field)
6,058 mi
9,749 km · 5,264 nm
12h 21m
estimated nonstop flight time
-9h
time difference · heading northwest
See live KSO→BOI fares Phone-only fares on this route — call free
Flight time details
6,058 miles nonstop takes roughly 12h 21m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time set-back when reading arrival times on your ticket.
The two airports
- KSO — Kastoria National Airport · Kastoria, Greece
- BOI — Boise Air Terminal/Gowen Field · Boise, United States
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 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
Near BOI
- MUO · Mountain Home Air Force Base40 mi away
- ONO · Ontario Municipal Airport50 mi away
- MYL · McCall Municipal Airport92 mi away
- SUN · Friedman Memorial Airport97 mi away
Frequently asked questions
How far is KSO from BOI?
The flight distance from Kastoria (KSO) to Boise (BOI) is 6,058 miles (9,749 km, 5,264 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KSO to BOI?
A nonstop flight takes about 12h 21m 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 Kastoria and Boise?
Boise is 9 hours behind Kastoria.
What is the cheapest way to fly from KSO to BOI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KSO–BOI that never appear on search engines, with no booking fees.