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BOI to KSO: distance & flight time
Boise (Boise Air Terminal/Gowen Field) → Kastoria (Kastoria National Airport)
6,058 mi
9,749 km · 5,264 nm
12h 21m
estimated nonstop flight time
+9h
time difference · heading northeast
See live BOI→KSO fares Phone-only fares on this route — call free
Flight time details
6,058 miles nonstop takes roughly 12h 21m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time gain when reading arrival times on your ticket.
The two airports
- BOI — Boise Air Terminal/Gowen Field · Boise, United States
- 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 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
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 BOI from KSO?
The flight distance from Boise (BOI) to Kastoria (KSO) 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 BOI to KSO?
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 Boise and Kastoria?
Kastoria is 9 hours ahead of Boise.
What is the cheapest way to fly from BOI to KSO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BOI–KSO that never appear on search engines, with no booking fees.