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

Return flights

30 Jul - 17 Aug	Hainan Airlines
30 Jul - 07 Aug	Hainan Airlines
28 Jul - 21 Aug	Hainan Airlines
29 Jul - 31 Jul	Condor
29 Jul - 05 Aug	KLM
28 Jul - 18 Aug	Condor
28 Jul - 20 Aug	Condor
29 Jul - 20 Aug	Condor
29 Jul - 19 Aug	Lufthansa
27 Jul - 13 Aug	flydubai
28 Jul - 05 Aug	flydubai
27 Jul - 31 Jul	flydubai
27 Jul - 30 Jul	flydubai
29 Jul - 31 Jul	Asiana Airlines	direct
27 Jul - 31 Jul	Asiana Airlines	direct
27 Jul - 30 Jul	Asiana Airlines	direct

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

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 July from 649€

Return flights