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ONQ to ICN: distance & flight time
Zonguldak (Zonguldak Airport) → Seoul (Incheon International Airport)
4,769 mi
7,675 km · 4,144 nm
9h 49m
estimated nonstop flight time
+6h
time difference · heading northeast
See live ONQ→ICN fares Phone-only fares on this route — call free
Flight time details
4,769 miles nonstop takes roughly 9h 49m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- ONQ — Zonguldak Airport · Zonguldak, Turkey
- ICN — Incheon International Airport · Seoul, South Korea
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 ONQ
- KFS · Kastamonu Airport89 mi away
- ESB · Esenboğa International Airport106 mi away
- ANK · Etimesgut Air Base112 mi away
- KCO · Cengiz Topel Airport117 mi away
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
Frequently asked questions
How far is ONQ from ICN?
The flight distance from Zonguldak (ONQ) to Seoul (ICN) is 4,769 miles (7,675 km, 4,144 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONQ to ICN?
A nonstop flight takes about 9h 49m 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 Zonguldak and Seoul?
Seoul is 6 hours ahead of Zonguldak.
What is the cheapest way to fly from ONQ to ICN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONQ–ICN that never appear on search engines, with no booking fees.