Cheapest one-way flights from Seoul to Tokyo in December from $50

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

One-Way flights

23 Dec Air Seoul, Inc direct
24 Dec Air Seoul, Inc direct
22 Dec Air Seoul, Inc direct
26 Dec Air Premia direct
25 Dec Air Seoul, Inc direct
27 Dec Air Seoul, Inc direct
29 Dec Jeju Air direct
28 Dec Jeju Air direct
30 Dec Jeju Air direct
31 Dec Jeju Air direct

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

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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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