Need help booking?
Unpublished phone-only deals available
KOS to SJY: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Seinäjoki / Ilmajoki (Seinäjoki Airport)
5,278 mi
8,495 km · 4,587 nm
10h 49m
estimated nonstop flight time
-4h
time difference · heading northwest
See live KOS→SJY fares Phone-only fares on this route — call free
Flight time details
5,278 miles nonstop takes roughly 10h 49m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4-hour time set-back when reading arrival times on your ticket.
The two airports
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
- SJY — Seinäjoki Airport · Seinäjoki / Ilmajoki, Finland
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 KOS
- PQC · Phu Quoc International Airport37 mi away
- PNH · Phnom Penh International Airport106 mi away
- VKG · Rach Gia Airport110 mi away
- KZC · Kampong Chhnang Airport132 mi away
Near SJY
- KHJ · Kauhajoki Airport21 mi away
- KAU · Kauhava Airport31 mi away
- VAA · Vaasa Airport42 mi away
- KOK · Kokkola-Pietarsaari Airport72 mi away
Frequently asked questions
How far is KOS from SJY?
The flight distance from Sihanoukville (KOS) to Seinäjoki / Ilmajoki (SJY) is 5,278 miles (8,495 km, 4,587 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to SJY?
A nonstop flight takes about 10h 49m 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 Sihanoukville and Seinäjoki / Ilmajoki?
Seinäjoki / Ilmajoki is 4 hours behind Sihanoukville.
What is the cheapest way to fly from KOS to SJY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–SJY that never appear on search engines, with no booking fees.