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

Return flights

01 Oct - 11 Oct	LOT
21 Oct - 02 Nov	Finnair
24 Oct - 17 Nov	Scandinavian Airlines
25 Oct - 16 Nov	Finnair
03 Oct - 08 Oct	Finnair
03 Oct - 10 Oct	Finnair
20 Oct - 01 Nov	LOT
27 Oct - 02 Nov	LOT
24 Oct - 14 Nov	LOT
24 Oct - 15 Nov	LOT
19 Oct - 02 Nov	LOT
06 Oct - 20 Oct	LOT
18 Oct - 02 Nov	Finnair
06 Oct - 19 Oct	LOT
18 Oct - 01 Nov	LOT
13 Oct - 20 Oct	LOT
03 Oct - 10 Oct	Korean Air	direct
04 Oct - 17 Oct	Korean Air	direct
01 Oct - 11 Oct	Korean Air	direct
13 Oct - 17 Oct	Qatar Airways

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 $718

Return flights