AirHint found the following cheapest return flights from Frankfurt (FRA) to Seoul (ICN) in October 2025 (see full year).

Return flights

30 Oct - 20 Nov	Ryanair
30 Oct - 05 Nov	Ryanair
26 Oct - 28 Oct	T'way Air	direct
26 Oct - 04 Nov	T'way Air	direct
26 Oct - 30 Oct	T'way Air	direct
21 Oct - 28 Oct	Ryanair
29 Oct - 07 Nov	Ryanair
19 Oct - 05 Nov	Ryanair
19 Oct - 07 Nov	Ryanair
20 Oct - 20 Nov	Ryanair
01 Oct - 30 Oct	Ryanair
19 Oct - 29 Oct	Ryanair
01 Oct - 03 Nov	Ryanair
27 Oct - 30 Oct	T'way Air	direct
27 Oct - 29 Oct	T'way Air	direct
21 Oct - 29 Oct	Ryanair
19 Oct - 30 Oct	Ryanair
26 Oct - 05 Nov	T'way Air	direct
27 Oct - 27 Nov	T'way Air	direct
03 Oct - 30 Oct	Ryanair

Also check the deals for one-way flights from Frankfurt to Seoul in October.

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 return flights from Frankfurt to Seoul in October from 486€

Return flights