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APA to SOF: distance & flight time
Denver (Centennial Airport) → Sofia (Sofia Airport)
5,897 mi
9,490 km · 5,124 nm
12h 2m
estimated nonstop flight time
+9h
time difference · heading northeast
See live APA→SOF fares Phone-only fares on this route — call free
Flight time details
5,897 miles nonstop takes roughly 12h 2m 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
- APA — Centennial Airport · Denver, 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 APA
- DEN · Denver International Airport22 mi away
- BFK · Buckley Air Force Base10 mi away
- BJC · Rocky Mountain Metropolitan Airport27 mi away
- WBU · Boulder Municipal Airport38 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 APA from SOF?
The flight distance from Denver (APA) to Sofia (SOF) is 5,897 miles (9,490 km, 5,124 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from APA to SOF?
A nonstop flight takes about 12h 2m 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 Denver and Sofia?
Sofia is 9 hours ahead of Denver.
What is the cheapest way to fly from APA to SOF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on APA–SOF that never appear on search engines, with no booking fees.