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

Return flights

13 Oct - 19 Oct	Japan Airlines
06 Oct - 14 Oct	Japan Airlines
15 Oct - 23 Oct	Japan Airlines
29 Oct - 11 Nov	Japan Airlines
21 Oct - 28 Oct	Japan Airlines
09 Oct - 28 Oct	Japan Airlines
20 Oct - 31 Oct	Japan Airlines
02 Oct - 14 Oct	Japan Airlines
03 Oct - 14 Oct	Japan Airlines
04 Oct - 14 Oct	Japan Airlines
10 Oct - 24 Oct	Japan Airlines
30 Oct - 02 Nov	Japan Airlines
25 Oct - 02 Nov	Japan Airlines
30 Oct - 09 Nov	Japan Airlines
20 Oct - 03 Nov	Japan Airlines
30 Oct - 13 Nov	Japan Airlines
28 Oct - 08 Nov	Japan Airlines
25 Oct - 01 Nov	Japan Airlines
24 Oct - 01 Nov	Japan Airlines
28 Oct - 03 Nov	Japan 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 $2256

Return flights