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OKO to ICN: distance & flight time
Yokota (Yokota Air Base) → Seoul (Incheon International Airport)
725 mi
1,166 km · 630 nm
2h 3m
estimated nonstop flight time
Same time
time difference · heading west
See live OKO→ICN fares Phone-only fares on this route — call free
Flight time details
725 miles nonstop takes roughly 2h 3m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- OKO — Yokota Air Base · Yokota, Japan
- 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 OKO
- HND · Tokyo Haneda International Airport28 mi away
- NRT · Narita International Airport58 mi away
- NJA · Atsugi Naval Air Facility21 mi away
- IBR · Hyakuri Airport67 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 OKO from ICN?
The flight distance from Yokota (OKO) to Seoul (ICN) is 725 miles (1,166 km, 630 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OKO to ICN?
A nonstop flight takes about 2h 3m 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 cheapest way to fly from OKO to ICN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OKO–ICN that never appear on search engines, with no booking fees.