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

Return flights

21 Oct - 11 Nov	Lufthansa
29 Oct - 12 Nov	Lufthansa
29 Oct - 13 Nov	Lufthansa
17 Oct - 16 Nov	Lufthansa
28 Oct - 09 Nov	Lufthansa
28 Oct - 11 Nov	Lufthansa
20 Oct - 20 Nov	Lufthansa
29 Oct - 09 Nov	Lufthansa
14 Oct - 20 Oct	Etihad Airways
16 Oct - 21 Oct	Lufthansa
15 Oct - 21 Oct	Lufthansa
09 Oct - 21 Oct	Lufthansa
10 Oct - 21 Oct	Lufthansa
08 Oct - 21 Oct	Lufthansa
14 Oct - 21 Oct	Lufthansa
18 Oct - 21 Oct	Lufthansa
27 Oct - 09 Nov	Lufthansa
25 Oct - 29 Oct	Etihad Airways
21 Oct - 03 Nov	Etihad Airways
08 Oct - 23 Oct	Scandinavian Airlines

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 503€

Return flights