Cheapest return flights from Seoul to Tokyo in December from $121

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

Return flights

23 Dec - 07 Jan Air Seoul, Inc direct
24 Dec - 06 Jan Eastar Jet direct
22 Dec - 08 Jan Air Premia direct
26 Dec - 08 Jan Jeju Air direct
26 Dec - 07 Jan Jeju Air direct
23 Dec - 08 Jan Eastar Jet direct
23 Dec - 06 Jan Eastar Jet direct
29 Dec - 07 Jan Jeju Air direct
25 Dec - 08 Jan Air Premia direct
26 Dec - 05 Jan Air Busan direct
24 Dec - 31 Dec Air Seoul, Inc direct
22 Dec - 31 Dec Jeju Air direct
27 Dec - 31 Dec Jeju Air direct
23 Dec - 24 Dec Air Seoul, Inc direct
22 Dec - 22 Dec Jeju Air
26 Dec - 31 Dec Air Busan direct
29 Dec - 31 Dec Jeju Air direct
22 Dec - 22 Dec Air Busan direct
23 Dec - 25 Dec Air Seoul, Inc direct
30 Dec - 31 Dec Jeju Air direct

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

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