Cheapest return flights from Osaka to Seoul in December from $138

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

Return flights

18 Dec - 22 Dec Peach direct
15 Dec - 16 Dec Jeju Air direct
02 Dec - 03 Dec Peach direct
03 Dec - 23 Dec Eastar Jet direct
02 Dec - 10 Dec Eastar Jet direct
10 Dec - 23 Dec Eastar Jet direct
18 Dec - 24 Dec Jin Air direct
17 Dec - 23 Dec Jin Air direct
11 Dec - 23 Dec Eastar Jet direct
03 Dec - 17 Dec Eastar Jet direct
23 Dec - 07 Jan Peach direct
03 Dec - 07 Jan Jin Air direct
18 Dec - 07 Jan Eastar Jet direct
18 Dec - 06 Jan Eastar Jet direct
12 Dec - 14 Jan Asiana Airlines direct
18 Dec - 08 Jan Eastar Jet direct
17 Dec - 06 Jan Eastar Jet direct
17 Dec - 07 Jan Eastar Jet direct
24 Dec - 06 Jan Asiana Airlines direct
23 Dec - 06 Jan Asiana Airlines direct

Also check the deals for one-way flights from Osaka to Seoul in December.

Powered by

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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Feel free to contact us with any feedback or request another flight research.