AirHint found the following cheapest return flights from Seoul (ICN) to Osaka (KIX)
in December 2025 (see full year ).
Return flights
29 Dec
- 07 Jan
Korean Air
$ 240
direct
28 Dec
- 30 Dec
Korean Air
$ 241
direct
29 Dec
- 31 Dec
Korean Air
$ 241
direct
28 Dec
- 31 Dec
Korean Air
$ 241
direct
30 Dec
- 10 Jan
Korean Air
$ 241
direct
29 Dec
- 01 Jan
Korean Air
$ 241
direct
10 Dec
- 10 Dec
Asiana Airlines
$ 253
direct
03 Dec
- 10 Dec
Korean Air
$ 253
direct
08 Dec
- 20 Dec
Asiana Airlines
$ 253
direct
09 Dec
- 11 Dec
Asiana Airlines
$ 253
direct
05 Dec
- 08 Dec
Asiana Airlines
$ 253
direct
01 Dec
- 06 Dec
Asiana Airlines
$ 253
direct
02 Dec
- 05 Dec
Asiana Airlines
$ 253
direct
22 Dec
- 01 Jan
Korean Air
$ 263
direct
14 Dec
- 16 Jan
Korean Air
$ 275
direct
19 Dec
- 10 Jan
Korean Air
$ 275
direct
25 Dec
- 15 Jan
Korean Air
$ 343
direct
29 Dec
- 04 Jan
Korean Air
$ 343
direct
31 Dec
- 04 Jan
Korean Air
$ 343
direct
28 Dec
- 03 Jan
Korean Air
$ 355
direct
Also check the deals for one-way flights from Seoul to Osaka in December .
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.