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

Return flights

29 Sep - 06 Oct	Singapore Airlines
25 Sep - 02 Oct	Singapore Airlines
23 Sep - 28 Sep	Singapore Airlines
23 Sep - 27 Sep	Singapore Airlines
22 Sep - 28 Sep	Singapore Airlines
01 Sep - 10 Sep	Singapore Airlines
18 Sep - 23 Sep	Air France
02 Sep - 08 Sep	KLM
20 Sep - 28 Sep	Singapore Airlines
01 Sep - 08 Sep	Singapore Airlines
06 Sep - 13 Sep	Air France
01 Sep - 06 Sep	Singapore Airlines

Also check the deals for one-way flights from Osaka 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 Osaka to Prague in September from 841€

Return flights