Cheapest one-way flights from Seoul to Osaka in December from $61

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

One-Way flights

15 Dec Peach direct
18 Dec Peach direct
29 Dec Asiana Airlines direct
13 Dec Peach direct
14 Dec Peach direct
19 Dec Asiana Airlines direct
11 Dec Asiana Airlines direct
16 Dec Asiana Airlines direct
12 Dec Asiana Airlines direct
09 Dec Asiana Airlines 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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