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ITM to GMP: distance & flight time
Osaka (Osaka International Airport) → Seoul (Gimpo International Airport)
519 mi
835 km · 451 nm
1h 36m
estimated nonstop flight time
Same time
time difference · heading northwest
See live ITM→GMP fares Phone-only fares on this route — call free
Flight time details
519 miles nonstop takes roughly 1h 36m gate to gate, flying northwest. 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
- ITM — Osaka International Airport · Osaka, Japan
- GMP — Gimpo 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 ITM
- UKB · Kobe Airport16 mi away
- KIX · Kansai International Airport27 mi away
- TJH · Tajima Airport62 mi away
- TKS · Tokushima Airport/JMSDF Air Base65 mi away
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
Frequently asked questions
How far is ITM from GMP?
The flight distance from Osaka (ITM) to Seoul (GMP) is 519 miles (835 km, 451 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ITM to GMP?
A nonstop flight takes about 1h 36m 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 ITM to GMP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ITM–GMP that never appear on search engines, with no booking fees.