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SOF to DEN: distance & flight time
Sofia (Sofia Airport) → Denver (Denver International Airport)
5,875 mi
9,455 km · 5,105 nm
11h 59m
estimated nonstop flight time
-9h
time difference · heading northwest
See live SOF→DEN fares Phone-only fares on this route — call free
Flight time details
5,875 miles nonstop takes roughly 11h 59m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time set-back when reading arrival times on your ticket.
The two airports
- SOF — Sofia Airport · Sofia, Bulgaria
- DEN — Denver International Airport · Denver, United States
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 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
Near DEN
- BFK · Buckley Air Force Base12 mi away
- APA · Centennial Airport22 mi away
- BJC · Rocky Mountain Metropolitan Airport24 mi away
- WBU · Boulder Municipal Airport32 mi away
Frequently asked questions
How far is SOF from DEN?
The flight distance from Sofia (SOF) to Denver (DEN) is 5,875 miles (9,455 km, 5,105 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SOF to DEN?
A nonstop flight takes about 11h 59m 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 Sofia and Denver?
Denver is 9 hours behind Sofia.
What is the cheapest way to fly from SOF to DEN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SOF–DEN that never appear on search engines, with no booking fees.