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DUC to SOF: distance & flight time
Duncan (Halliburton Field) → Sofia (Sofia Airport)
5,947 mi
9,572 km · 5,168 nm
12h 8m
estimated nonstop flight time
+8h
time difference · heading northeast
See live DUC→SOF fares Phone-only fares on this route — call free
Flight time details
5,947 miles nonstop takes roughly 12h 8m 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
- DUC — Halliburton Field · Duncan, 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 DUC
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 DUC from SOF?
The flight distance from Duncan (DUC) to Sofia (SOF) is 5,947 miles (9,572 km, 5,168 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DUC to SOF?
A nonstop flight takes about 12h 8m 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 Duncan and Sofia?
Sofia is 8 hours ahead of Duncan.
What is the cheapest way to fly from DUC to SOF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DUC–SOF that never appear on search engines, with no booking fees.