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NJA to SJY: distance & flight time
Atsugi (Atsugi Naval Air Facility) → Seinäjoki / Ilmajoki (Seinäjoki Airport)
4,811 mi
7,743 km · 4,181 nm
9h 54m
estimated nonstop flight time
-6h
time difference · heading northwest
See live NJA→SJY fares Phone-only fares on this route — call free
Flight time details
4,811 miles nonstop takes roughly 9h 54m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- NJA — Atsugi Naval Air Facility · Atsugi, Japan
- 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 NJA
- HND · Tokyo Haneda International Airport20 mi away
- NRT · Narita International Airport57 mi away
- OKO · Yokota Air Base21 mi away
- OIM · Oshima Airport47 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 NJA from SJY?
The flight distance from Atsugi (NJA) to Seinäjoki / Ilmajoki (SJY) is 4,811 miles (7,743 km, 4,181 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NJA to SJY?
A nonstop flight takes about 9h 54m 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 NJA to SJY?
Nonstop service on NJA–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 9h 54m nonstop estimate.
What is the time difference between Atsugi and Seinäjoki / Ilmajoki?
Seinäjoki / Ilmajoki is 6 hours behind Atsugi.
What is the cheapest way to fly from NJA to SJY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NJA–SJY that never appear on search engines, with no booking fees.
Why are some NJA to SJY fares phone-only?
Consolidator contracts let us sell certain NJA–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.