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NJA to ICN: distance & flight time
Atsugi (Atsugi Naval Air Facility) → Seoul (Incheon International Airport)
735 mi
1,183 km · 639 nm
2h 4m
estimated nonstop flight time
Same time
time difference · heading west
See live NJA→ICN fares Phone-only fares on this route — call free
Flight time details
735 miles nonstop takes roughly 2h 4m 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
- NJA — Atsugi Naval Air Facility · Atsugi, 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 NJA
- HND · Tokyo Haneda International Airport20 mi away
- NRT · Narita International Airport57 mi away
- OKO · Yokota Air Base21 mi away
- OIM · Oshima Airport47 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 NJA from ICN?
The flight distance from Atsugi (NJA) to Seoul (ICN) is 735 miles (1,183 km, 639 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NJA to ICN?
A nonstop flight takes about 2h 4m 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 NJA to ICN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NJA–ICN that never appear on search engines, with no booking fees.