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GMP to ICN: distance & flight time
Seoul (Gimpo International Airport) → Seoul (Incheon International Airport)
20 mi
32 km · 17 nm
31m
estimated nonstop flight time
Same time
time difference · heading west
See live GMP→ICN fares Phone-only fares on this route — call free
Flight time details
20 miles nonstop takes roughly 31m 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
- GMP — Gimpo International Airport · Seoul, South Korea
- 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 GMP
- ICN · Incheon International Airport20 mi away
- SSN · Seoul Air Base (K-16)19 mi away
- SWU · Suwon Airport25 mi away
- OSN · Osan Air Base35 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 GMP from ICN?
The flight distance from Seoul (GMP) to Seoul (ICN) is 20 miles (32 km, 17 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GMP to ICN?
A nonstop flight takes about 31m 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 GMP to ICN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GMP–ICN that never appear on search engines, with no booking fees.