Need help booking?
Unpublished phone-only deals available
GTF to SOF: distance & flight time
Great Falls (Great Falls International Airport) → Sofia (Sofia Airport)
5,623 mi
9,049 km · 4,886 nm
11h 29m
estimated nonstop flight time
+9h
time difference · heading northeast
See live GTF→SOF fares Phone-only fares on this route — call free
Flight time details
5,623 miles nonstop takes roughly 11h 29m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time gain when reading arrival times on your ticket.
The two airports
- GTF — Great Falls International Airport · Great 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 GTF
- HLN · Helena Regional Airport67 mi away
- CTB · Cut Bank International Airport91 mi away
- LWT · Lewistown Municipal Airport94 mi away
- HVR · Havre City County Airport104 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 GTF from SOF?
The flight distance from Great Falls (GTF) to Sofia (SOF) is 5,623 miles (9,049 km, 4,886 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GTF to SOF?
A nonstop flight takes about 11h 29m 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 Great Falls and Sofia?
Sofia is 9 hours ahead of Great Falls.
What is the cheapest way to fly from GTF to SOF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GTF–SOF that never appear on search engines, with no booking fees.