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INI to SOF: distance & flight time
Nis (Nis Airport) → Sofia (Sofia Airport)
90 mi
145 km · 78 nm
42m
estimated nonstop flight time
+1h
time difference · heading southeast
See live INI→SOF fares Phone-only fares on this route — call free
Flight time details
90 miles nonstop takes roughly 42m gate to gate, flying southeast. 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
- INI — Nis Airport · Nis, Serbia
- 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 INI
- PRN · Priština International Airport67 mi away
- SOF · Sofia Airport90 mi away
- SKP · Skopje Alexander the Great Airport96 mi away
- CRA · Craiova Airport122 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 INI from SOF?
The flight distance from Nis (INI) to Sofia (SOF) is 90 miles (145 km, 78 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from INI to SOF?
A nonstop flight takes about 42m 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 Nis and Sofia?
Sofia is 1 hour ahead of Nis.
What is the cheapest way to fly from INI to SOF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on INI–SOF that never appear on search engines, with no booking fees.