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GMP to SSN: distance & flight time
Seoul (Gimpo International Airport) → Seoul East (Seoul Air Base (K-16))
19 mi
31 km · 17 nm
31m
estimated nonstop flight time
Same time
time difference · heading southeast
See live GMP→SSN fares Phone-only fares on this route — call free
Flight time details
19 miles nonstop takes roughly 31m gate to gate, flying southeast. 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
- SSN — Seoul Air Base (K-16) · Seoul East, 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 SSN
- ICN · Incheon International Airport36 mi away
- SWU · Suwon Airport15 mi away
- GMP · Gimpo International Airport19 mi away
- OSN · Osan Air Base25 mi away
Frequently asked questions
How far is GMP from SSN?
The flight distance from Seoul (GMP) to Seoul East (SSN) is 19 miles (31 km, 17 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GMP to SSN?
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 SSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GMP–SSN that never appear on search engines, with no booking fees.