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

One-Way flights

17 Dec	Jeju Air	direct
18 Dec	Jeju Air	direct
10 Dec	Jeju Air	direct
15 Dec	Jeju Air	direct
19 Dec	Jeju Air	direct
23 Dec	Jeju Air	direct
02 Dec	Jeju Air	direct
24 Dec	Jeju Air	direct
08 Dec	Jeju Air	direct
12 Dec	Jeju Air	direct

Also check the deals for return flights from Hiroshima to Seoul in December.

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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Cheapest one-way flights from Hiroshima to Seoul in December from 59€

One-Way flights