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GAJ to SSN: distance & flight time
Yamagata (Yamagata Airport) → Seoul East (Seoul Air Base (K-16))
725 mi
1,167 km · 630 nm
2h 3m
estimated nonstop flight time
Same time
time difference · heading west
See live GAJ→SSN 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
- GAJ — Yamagata Airport · Yamagata, Japan
- 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 GAJ
- SDJ · Sendai Airport35 mi away
- SYO · Shonai Airport42 mi away
- KIJ · Niigata Airport75 mi away
- HNA · Hanamaki Airport81 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 GAJ from SSN?
The flight distance from Yamagata (GAJ) to Seoul East (SSN) is 725 miles (1,167 km, 630 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAJ to SSN?
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 GAJ to SSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAJ–SSN that never appear on search engines, with no booking fees.