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

Return flights

14 Oct - 22 Oct	Lufthansa
14 Oct - 23 Oct	Lufthansa
17 Oct - 22 Oct	Lufthansa
21 Oct - 26 Oct	Lufthansa
14 Oct - 20 Oct	Lufthansa
13 Oct - 22 Oct	Lufthansa
20 Oct - 26 Oct	Lufthansa
22 Oct - 26 Oct	Lufthansa
20 Oct - 28 Oct	LOT
23 Oct - 28 Oct	LOT
30 Oct - 02 Nov	Etihad Airways
30 Oct - 30 Nov	Etihad Airways
25 Oct - 02 Nov	Etihad Airways
27 Oct - 22 Nov	LOT
28 Oct - 25 Nov	LOT
10 Oct - 13 Nov	Lufthansa
28 Oct - 26 Nov	Qatar Airways
31 Oct - 10 Nov	Qatar Airways
31 Oct - 13 Nov	Qatar Airways
20 Oct - 01 Nov	Finnair

Also check the deals for one-way flights from Seoul to Prague 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 Seoul to Prague in October from $597

Return flights