Need help booking?
Unpublished phone-only deals available
INL to SOF: distance & flight time
International Falls (Falls International Airport) → Sofia (Sofia Airport)
5,058 mi
8,140 km · 4,395 nm
10h 23m
estimated nonstop flight time
+8h
time difference · heading northeast
See live INL→SOF fares Phone-only fares on this route — call free
Flight time details
5,058 miles nonstop takes roughly 10h 23m 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
- INL — Falls International Airport · International Falls, United States
- 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 INL
- YAG · Fort Frances Municipal Airport6 mi away
- BDE · Baudette International Airport56 mi away
- YIB · Atikokan Municipal Airport82 mi away
- HIB · Range Regional Airport86 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 INL from SOF?
The flight distance from International Falls (INL) to Sofia (SOF) is 5,058 miles (8,140 km, 4,395 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from INL to SOF?
A nonstop flight takes about 10h 23m 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 International Falls and Sofia?
Sofia is 8 hours ahead of International Falls.
What is the cheapest way to fly from INL to SOF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on INL–SOF that never appear on search engines, with no booking fees.