Booking tips for Seoul → Osaka
For most economy fares on Seoul to Osaka, booking roughly three to eight weeks ahead tends to hit the sweet spot on price, with last-minute fares rising sharply in the final two weeks. Tuesday, Wednesday, and Saturday departures are usually cheaper than Fridays and Sundays, and early-morning or late-evening flights often undercut midday slots. If you are traveling light, the difference between a basic economy fare with carry-on only and a standard fare with a checked bag can be significant. Compare both options before booking, and also check whether ICN or KIX has a nearby alternative airport that might offer better fares on the same dates.
| Carrier | Sightings / 90d | Safety events |
|---|---|---|
| Korean Air | 5 sightings | No recorded events |
| Asiana Airlines | 4 sightings | No recorded events |
| PTA | 2 sightings | No recorded events |
| Jin Air | 1 sighting | No recorded events |
| Jeju Air | 1 sighting | No recorded events |
Flight patterns on ICN → KIX
We observed 24 flights on this route over the last 90 days (about 1.9 per week) across 14 airlines.
Departures cluster around 10:00–11:00 UTC, 09:00–10:00 UTC, 11:00–12:00 UTC, busiest on Wednesday.
On-time performance: 88.9% of departures left within 15 minutes of schedule (average delay -6.6 min, based on 9 timed flights).
Was ICN → KIX delayed 3+ hours, cancelled, or overbooked? You may be owed up to €600.
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Planning ICN → KIX
ICN to KIX is a short-haul route of 860 km (534 mi). See the return KIX → ICN route.
Alternative airports near Seoul: Seoul (GMP) — 32 km, Suwon (SWU) — 55 km, Seoul East (SSN) — 58 km.
Alternative airports near Osaka: Kobe (UKB) — 23 km, Osaka (ITM) — 44 km, Tokushima (TKS) — 67 km.
Frequently asked questions about Seoul → Osaka
How long does the flight from Seoul to Osaka take?
Flight time from Seoul (ICN) to Osaka (KIX) depends on routing, aircraft type, and whether the flight is direct or connecting. A direct flight typically reflects great-circle distance plus winds, while one-stop options can add several hours depending on the layover airport. Check the exact duration in the search results above, where we show block time per itinerary along with stop count.
Which airlines fly from Seoul to Osaka?
Airline availability for ICN to KIX changes by season and sometimes week to week as carriers adjust capacity. Our search above pulls live schedules and returns the airlines currently selling this route, both direct and connecting. Codeshare and interline itineraries are included, so you may see results operated by one carrier but sold by another.
Are there direct flights from Seoul to Osaka?
Direct (nonstop) availability on ICN to KIX varies by date, day of week, and season. Busy city pairs usually have multiple daily nonstops, while thinner routes may only have direct service a few days per week or only during peak seasons. Use our search above with flexible dates to see which days actually have nonstop options.
What is the cheapest month to fly from Seoul to Osaka?
Prices on ICN to KIX shift with seasonality, school holidays, and major events at both ends. Our 12-month price calendar below the search results shows the lowest fare found per departure date, which makes it easy to spot the cheapest weeks at a glance. Flexibility of a few days around your target date often unlocks significantly lower fares.
Plan the rest of your trip to Osaka
- Things to doBook attractions and tours in Osaka.
- Travel insuranceCover delays, baggage, and medical costs abroad.
- eSIM dataGet online in Japan the moment you land.
- Car rentalCompare rental cars across global suppliers.
- Airport transferBook a private ride from the airport in advance.
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