Cheapest one-way flights from Seoul to Osaka in December from $60

AirHint found the following cheapest one-way flights from Seoul (ICN) to Osaka (KIX) in December 2025 (see full year).

One-Way flights

08 Dec Peach direct
07 Dec Peach direct
13 Dec Peach direct
27 Dec Peach direct
30 Dec Jeju Air direct
24 Dec Peach direct
31 Dec Jeju Air direct
26 Dec Peach direct
01 Dec Jin Air direct
14 Dec Jin Air direct

Also check the deals for return flights from Seoul to Osaka in December.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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