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

One-Way flights

29 Dec	Ryanair
02 Dec	China Southern
10 Dec	T'way Air	direct
03 Dec	T'way Air	direct
01 Dec	T'way Air	direct
07 Dec	T'way Air	direct
08 Dec	T'way Air	direct
05 Dec	T'way Air	direct
12 Dec	T'way Air	direct
15 Dec	Ryanair

Also check the deals for return flights from Frankfurt 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 Frankfurt to Seoul in December from 386€

One-Way flights