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SEP to SOF: distance & flight time
Stephenville (Stephenville Clark Regional Airport) → Sofia (Sofia Airport)
6,077 mi
9,780 km · 5,281 nm
12h 23m
estimated nonstop flight time
+8h
time difference · heading northeast
See live SEP→SOF fares Phone-only fares on this route — call free
Flight time details
6,077 miles nonstop takes roughly 12h 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
- SEP — Stephenville Clark Regional Airport · Stephenville, 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 SEP
- MWL · Mineral Wells Airport40 mi away
- DFW · Dallas Fort Worth International Airport81 mi away
- BKD · Stephens County Airport54 mi away
- FWH · NAS Fort Worth JRB/Carswell Field57 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 SEP from SOF?
The flight distance from Stephenville (SEP) to Sofia (SOF) is 6,077 miles (9,780 km, 5,281 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEP to SOF?
A nonstop flight takes about 12h 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 Stephenville and Sofia?
Sofia is 8 hours ahead of Stephenville.
What is the cheapest way to fly from SEP to SOF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEP–SOF that never appear on search engines, with no booking fees.