Cheapest return flights from Tokyo to Seoul in December from $312

Best time to book flights for Tokyo (HND) to Seoul (ICN) flights at AirHint

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

Return flights

04 Dec - 11 Dec Korean Air direct
04 Dec - 08 Dec Korean Air direct
03 Dec - 05 Dec Korean Air direct
02 Dec - 04 Dec Korean Air direct
16 Dec - 19 Dec Korean Air direct
17 Dec - 15 Jan Korean Air direct
02 Dec - 05 Dec Korean Air direct
03 Dec - 10 Dec Korean Air direct
21 Dec - 07 Jan Korean Air direct
01 Dec - 08 Dec Korean Air direct
08 Dec - 10 Dec Asiana Airlines direct
22 Dec - 29 Dec Korean Air direct
24 Dec - 08 Jan Korean Air direct
15 Dec - 02 Jan Korean Air direct
23 Dec - 05 Jan Asiana Airlines direct
24 Dec - 11 Jan Korean Air direct
31 Dec - 06 Jan Asiana Airlines direct
24 Dec - 03 Jan Asiana Airlines direct
23 Dec - 04 Jan Korean Air direct
31 Dec - 05 Jan Asiana Airlines 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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