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ICN to SOF: distance & flight time
Seoul (Incheon International Airport) → Sofia (Sofia Airport)
5,091 mi
8,193 km · 4,424 nm
10h 27m
estimated nonstop flight time
-6h
time difference · heading northwest
See live ICN→SOF fares Phone-only fares on this route — call free
Flight time details
5,091 miles nonstop takes roughly 10h 27m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- ICN — Incheon International Airport · Seoul, South Korea
- 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 ICN
- GMP · Gimpo International Airport20 mi away
- SWU · Suwon Airport34 mi away
- SSN · Seoul Air Base (K-16)36 mi away
- OSN · Osan Air Base41 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 ICN from SOF?
The flight distance from Seoul (ICN) to Sofia (SOF) is 5,091 miles (8,193 km, 4,424 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ICN to SOF?
A nonstop flight takes about 10h 27m 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 Seoul and Sofia?
Sofia is 6 hours behind Seoul.
What is the cheapest way to fly from ICN to SOF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ICN–SOF that never appear on search engines, with no booking fees.