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SOF to KIJ: distance & flight time
Sofia (Sofia Airport) → Niigata (Niigata Airport)
5,559 mi
8,947 km · 4,831 nm
11h 22m
estimated nonstop flight time
+6h
time difference · heading northeast
See live SOF→KIJ fares Phone-only fares on this route — call free
Flight time details
5,559 miles nonstop takes roughly 11h 22m 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
- SOF — Sofia Airport · Sofia, Bulgaria
- KIJ — Niigata Airport · Niigata, Japan
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 SOF
- PDV · Plovdiv International Airport85 mi away
- INI · Nis Airport90 mi away
- SKP · Skopje Alexander the Great Airport105 mi away
- CRA · Craiova Airport115 mi away
Near KIJ
- SDS · Sado Airport39 mi away
- SYO · Shonai Airport69 mi away
- GAJ · Yamagata Airport75 mi away
- FKS · Fukushima Airport88 mi away
Frequently asked questions
How far is SOF from KIJ?
The flight distance from Sofia (SOF) to Niigata (KIJ) is 5,559 miles (8,947 km, 4,831 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SOF to KIJ?
A nonstop flight takes about 11h 22m 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 Sofia and Niigata?
Niigata is 6 hours ahead of Sofia.
What is the cheapest way to fly from SOF to KIJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SOF–KIJ that never appear on search engines, with no booking fees.