Route · GMP → KIX
Flights from Seoul to Osaka
The 834-kilometre hop between Seoul's Gimpo Airport and Osaka Kansai represents one of the busier short-haul corridors in Northeast Asia, completing in roughly an hour and a half block time — short enough that many business travellers skip an overnight stay altogether. Jeju Air and Asiana Airlines hold substantial frequency here alongside Korean Air and All Nippon Airways, with narrowbody jets such as the Boeing 737 and Airbus A320 family doing most of the heavy lifting. A useful practical note: Kansai Airport sits on an artificial island roughly 50 minutes by limited-express train from central Osaka, so factor that transfer into any tight connection. On the fare side, seats typically soften during January and February after the New Year rush, while midweek departures often yield more availability than Friday or Sunday flights, which attract strong business demand in both directions.
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Cheapest dates to fly
Live prices · powered by AviasalesThe calendar below pulls live fares from our search partner for Seoul (GMP) → Osaka (KIX). Use the year view… to spot the cheapest week to fly, the day-of-week patterns most travellers miss, and any shoulder-season dips worth shifting your trip around. Prices refresh every few hours, so what you see is what your booking page should look like a moment later — click any date to jump straight to the fare on Aviasales.
Airlines on this route
4 carriersThe 4 carriers we currently track on the Seoul–Osaka route, from full-service flag carriers to low-cost competitors. Tap any airline for its full profile, baggage… rules, fleet context, and a live fare search pre-filtered to that carrier — useful if you're loyal to a frequent-flyer programme, want to compare onboard product on the same dates, or are weighing a cheaper one-stop against a pricier nonstop.
Flights from Seoul to Osaka
Live schedule · powered by AviasalesBelow is the published weekly schedule for nonstop and one-stop services from Seoul to Osaka — the actual flight numbers, departure and arrival times your… booking page will pull from. Use it to plan around departure preferences (early morning vs late evening), see which carriers fly on which weekdays, or pick a connection that lets you sleep in your own bed before a long-haul leg. Click any row to load it directly in the search.
Airport guides
Quick links into the airport profiles at both ends of the route. Each guide covers terminal layout, the airlines that base hubs at GMP and… KIX, the other routes those airports serve, and the ground-transit options most travellers wish they'd read about before landing — the practical context you only really need to know once you've booked, but want to skim before you do.