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KIJ to SOF: distance & flight time
Niigata (Niigata Airport) → Sofia (Sofia Airport)
5,559 mi
8,947 km · 4,831 nm
11h 22m
estimated nonstop flight time
-6h
time difference · heading northwest
See live KIJ→SOF fares Phone-only fares on this route — call free
Flight time details
5,559 miles nonstop takes roughly 11h 22m 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
- KIJ — Niigata Airport · Niigata, Japan
- SOF — Sofia Airport · Sofia, Bulgaria
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 KIJ
- SDS · Sado Airport39 mi away
- SYO · Shonai Airport69 mi away
- GAJ · Yamagata Airport75 mi away
- FKS · Fukushima Airport88 mi away
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
Frequently asked questions
How far is KIJ from SOF?
The flight distance from Niigata (KIJ) to Sofia (SOF) 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 KIJ to SOF?
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.
Are there nonstop flights from KIJ to SOF?
Nonstop service on KIJ–SOF 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 11h 22m nonstop estimate.
What is the time difference between Niigata and Sofia?
Sofia is 6 hours behind Niigata.
What is the cheapest way to fly from KIJ to SOF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KIJ–SOF that never appear on search engines, with no booking fees.
Why are some KIJ to SOF fares phone-only?
Consolidator contracts let us sell certain KIJ–SOF 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.