Cheapest return flights from Tokyo to Seoul in December from $186

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

Return flights

16 Dec - 24 Dec Peach direct
18 Dec - 24 Dec Peach direct
08 Dec - 10 Dec ANA
16 Dec - 25 Dec Peach direct
11 Dec - 31 Jan ANA
11 Dec - 15 Dec Peach direct
11 Dec - 31 Jan Peach direct
19 Dec - 25 Dec Peach direct
18 Dec - 25 Dec Peach direct
16 Dec - 17 Dec Asiana Airlines direct
17 Dec - 24 Dec Solaseed Air
09 Dec - 12 Dec Skymark Airlines
17 Dec - 08 Jan Korean Air direct
16 Dec - 08 Jan Korean Air direct
22 Dec - 11 Jan Asiana Airlines direct
09 Dec - 07 Jan Korean Air direct
09 Dec - 08 Jan Korean Air direct
18 Dec - 07 Jan Korean Air direct
18 Dec - 08 Jan Korean Air direct
23 Dec - 07 Jan Korean Air 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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