Cheapest one-way flights from Tokyo to Seoul in December from $100

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

One-Way flights

17 Dec Jetstar Japan
17 Dec Air Japan direct
03 Dec Spring Airlines Japan
10 Dec Air Japan direct
16 Dec Air Japan direct
11 Dec Zipair direct
04 Dec Spring Airlines Japan
03 Dec Air Seoul, Inc direct
18 Dec Air Japan direct
15 Dec Air Japan 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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