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

Return flights

29 Oct - 12 Nov	Finnair
04 Oct - 17 Oct	Qatar Airways
02 Oct - 10 Oct	LOT
26 Oct - 12 Nov	LOT
01 Oct - 14 Oct	LOT
01 Oct - 12 Oct	LOT
25 Oct - 01 Nov	LOT
31 Oct - 14 Nov	Finnair
23 Oct - 03 Nov	Finnair
26 Oct - 02 Nov	Finnair
24 Oct - 05 Nov	Finnair
24 Oct - 29 Oct	Finnair
24 Oct - 02 Nov	Finnair
08 Oct - 23 Oct	Pegasus Airlines
08 Oct - 22 Oct	Pegasus Airlines
05 Oct - 18 Oct	Finnair
19 Oct - 30 Oct	Finnair
19 Oct - 26 Oct	Etihad Airways
26 Oct - 02 Nov	Asiana Airlines	direct
31 Oct - 14 Nov	Korean Air	direct

Also check the deals for one-way flights from Prague 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 Prague to Seoul in October from $701

Return flights