Cheapest one-way flights from Tokyo to Seoul in December from 68€

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

One-Way flights

02 Dec Spring Airlines Japan
03 Dec Spring Airlines Japan
04 Dec Spring Airlines Japan
09 Dec Peach
11 Dec Air Busan direct
03 Dec Air Busan direct
10 Dec Air Busan direct
17 Dec Air Busan direct
18 Dec Air Busan direct
09 Dec Air Busan direct

Also check the deals for return 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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