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CCU to SOF: distance & flight time
Kolkata (Netaji Subhash Chandra Bose International Airport) → Sofia (Sofia Airport)
3,925 mi
6,317 km · 3,411 nm
8h 10m
estimated nonstop flight time
-2.5h
time difference · heading northwest
See live CCU→SOF fares Phone-only fares on this route — call free
Flight time details
3,925 miles nonstop takes roughly 8h 10m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2.5-hour time set-back when reading arrival times on your ticket.
The two airports
- CCU — Netaji Subhash Chandra Bose International Airport · Kolkata, India
- 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 CCU
- JSR · Jessore Airport58 mi away
- RDP · Kazi Nazrul Islam Airport102 mi away
- IRD · Ishurdi Airport110 mi away
- BZL · Barisal Airport119 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 CCU from SOF?
The flight distance from Kolkata (CCU) to Sofia (SOF) is 3,925 miles (6,317 km, 3,411 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CCU to SOF?
A nonstop flight takes about 8h 10m 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 Kolkata and Sofia?
Sofia is 2.5 hours behind Kolkata.
What is the cheapest way to fly from CCU to SOF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CCU–SOF that never appear on search engines, with no booking fees.