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SEP to SJY: distance & flight time
Stephenville (Stephenville Clark Regional Airport) → Seinäjoki / Ilmajoki (Seinäjoki Airport)
5,121 mi
8,241 km · 4,450 nm
10h 30m
estimated nonstop flight time
+8h
time difference · heading northeast
See live SEP→SJY fares Phone-only fares on this route — call free
Flight time details
5,121 miles nonstop takes roughly 10h 30m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- SEP — Stephenville Clark Regional Airport · Stephenville, United States
- 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 SEP
- MWL · Mineral Wells Airport40 mi away
- DFW · Dallas Fort Worth International Airport81 mi away
- BKD · Stephens County Airport54 mi away
- FWH · NAS Fort Worth JRB/Carswell Field57 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 SEP from SJY?
The flight distance from Stephenville (SEP) to Seinäjoki / Ilmajoki (SJY) is 5,121 miles (8,241 km, 4,450 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEP to SJY?
A nonstop flight takes about 10h 30m 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 Stephenville and Seinäjoki / Ilmajoki?
Seinäjoki / Ilmajoki is 8 hours ahead of Stephenville.
What is the cheapest way to fly from SEP to SJY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEP–SJY that never appear on search engines, with no booking fees.