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YSU to KSO: distance & flight time
Summerside (Summerside Airport) → Kastoria (Kastoria National Airport)
4,078 mi
6,563 km · 3,543 nm
8h 28m
estimated nonstop flight time
+6h
time difference · heading northeast
See live YSU→KSO fares Phone-only fares on this route — call free
Flight time details
4,078 miles nonstop takes roughly 8h 28m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- YSU — Summerside Airport · Summerside, Canada
- 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 YSU
- YYG · Charlottetown Airport36 mi away
- YQM · Greater Moncton International Airport46 mi away
- YCH · Miramichi Airport86 mi away
- YHZ · Halifax / Stanfield International Airport109 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 YSU from KSO?
The flight distance from Summerside (YSU) to Kastoria (KSO) is 4,078 miles (6,563 km, 3,543 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YSU to KSO?
A nonstop flight takes about 8h 28m 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 Summerside and Kastoria?
Kastoria is 6 hours ahead of Summerside.
What is the cheapest way to fly from YSU to KSO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSU–KSO that never appear on search engines, with no booking fees.