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

Return flights

11 Sep - 15 Sep	Etihad Airways
09 Sep - 15 Sep	Etihad Airways
11 Sep - 17 Sep	Etihad Airways
17 Sep - 23 Sep	Scandinavian Airlines
10 Sep - 25 Sep	Emirates
24 Sep - 30 Sep	Emirates
24 Sep - 02 Oct	Emirates
08 Sep - 22 Sep	China Eastern
10 Sep - 16 Sep	Emirates
22 Sep - 25 Sep	Emirates
10 Sep - 02 Oct	Emirates
08 Sep - 16 Sep	China Eastern
17 Sep - 01 Oct	China Eastern
22 Sep - 20 Oct	Emirates
23 Sep - 02 Oct	Emirates
23 Sep - 21 Oct	Emirates
24 Sep - 01 Oct	Emirates
18 Sep - 29 Oct	Etihad Airways
18 Sep - 31 Oct	Etihad Airways
23 Sep - 01 Oct	Emirates

Also check the deals for one-way flights from Seoul to Prague in September.

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 September from $699

Return flights