Need help booking?
Unpublished phone-only deals available
SOF to ASE: distance & flight time
Sofia (Sofia Airport) → Aspen (Aspen-Pitkin Co/Sardy Field)
5,978 mi
9,621 km · 5,195 nm
12h 11m
estimated nonstop flight time
-9h
time difference · heading northwest
See live SOF→ASE fares Phone-only fares on this route — call free
Flight time details
5,978 miles nonstop takes roughly 12h 11m 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
- ASE — Aspen-Pitkin Co/Sardy Field · Aspen, 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 ASE
- EGE · Eagle County Regional Airport29 mi away
- GUC · Gunnison Crested Butte Regional Airport48 mi away
- RIL · Garfield County Regional Airport50 mi away
- MTJ · Montrose Regional Airport74 mi away
Frequently asked questions
How far is SOF from ASE?
The flight distance from Sofia (SOF) to Aspen (ASE) is 5,978 miles (9,621 km, 5,195 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SOF to ASE?
A nonstop flight takes about 12h 11m 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 Aspen?
Aspen is 9 hours behind Sofia.
What is the cheapest way to fly from SOF to ASE?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SOF–ASE that never appear on search engines, with no booking fees.