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OSK to SJY: distance & flight time
Oskarshamn (Oskarshamn Airport) → Seinäjoki / Ilmajoki (Seinäjoki Airport)
429 mi
690 km · 372 nm
1h 24m
estimated nonstop flight time
+1h
time difference · heading northeast
See live OSK→SJY fares Phone-only fares on this route — call free
Flight time details
429 miles nonstop takes roughly 1h 24m gate to gate, flying northeast. 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
- OSK — Oskarshamn Airport · Oskarshamn, Sweden
- 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 OSK
- HLF · Hultsfred Airport28 mi away
- KLR · Kalmar Airport47 mi away
- VXO · Växjö Kronoberg Airport72 mi away
- VBY · Visby Airport72 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 OSK from SJY?
The flight distance from Oskarshamn (OSK) to Seinäjoki / Ilmajoki (SJY) is 429 miles (690 km, 372 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSK to SJY?
A nonstop flight takes about 1h 24m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from OSK to SJY?
Nonstop service on OSK–SJY depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 1h 24m nonstop estimate.
What is the time difference between Oskarshamn and Seinäjoki / Ilmajoki?
Seinäjoki / Ilmajoki is 1 hour ahead of Oskarshamn.
What is the cheapest way to fly from OSK to SJY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSK–SJY that never appear on search engines, with no booking fees.
Why are some OSK to SJY fares phone-only?
Consolidator contracts let us sell certain OSK–SJY tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.