Cheapest return flights from Tokyo to Seoul in December from $155

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

Return flights

16 Dec - 17 Dec Air Japan direct
02 Dec - 09 Dec Air Japan direct
02 Dec - 10 Dec Air Japan direct
02 Dec - 03 Dec Air Japan direct
02 Dec - 11 Dec Air Japan direct
02 Dec - 18 Dec Air Japan direct
02 Dec - 17 Dec Air Japan direct
02 Dec - 12 Dec Air Japan direct
02 Dec - 05 Dec Air Japan direct
02 Dec - 15 Dec Air Japan direct
25 Dec - 14 Jan Air Japan direct
25 Dec - 13 Jan Air Japan direct
24 Dec - 13 Jan Air Japan direct
18 Dec - 07 Jan Air Japan direct
22 Dec - 07 Jan Air Japan direct
18 Dec - 06 Jan Air Japan direct
22 Dec - 08 Jan Air Japan direct
22 Dec - 11 Jan Air Japan direct
22 Dec - 06 Jan Air Japan direct
22 Dec - 10 Jan Air Japan direct

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