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COS to SOF: distance & flight time
Colorado Springs (City of Colorado Springs Municipal Airport) → Sofia (Sofia Airport)
5,935 mi
9,552 km · 5,158 nm
12h 6m
estimated nonstop flight time
+9h
time difference · heading northeast
See live COS→SOF fares Phone-only fares on this route — call free
Flight time details
5,935 miles nonstop takes roughly 12h 6m 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
- COS — City of Colorado Springs Municipal Airport · Colorado Springs, 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 COS
- FCS · Butts AAF (Fort Carson) Air Field9 mi away
- DEN · Denver International Airport73 mi away
- PUB · Pueblo Memorial Airport37 mi away
- APA · Centennial Airport53 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 COS from SOF?
The flight distance from Colorado Springs (COS) to Sofia (SOF) is 5,935 miles (9,552 km, 5,158 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from COS to SOF?
A nonstop flight takes about 12h 6m 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 Colorado Springs and Sofia?
Sofia is 9 hours ahead of Colorado Springs.
What is the cheapest way to fly from COS to SOF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on COS–SOF that never appear on search engines, with no booking fees.