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

Return flights

17 Sep - 22 Sep	Eastar Jet
09 Sep - 18 Sep	Eastar Jet
07 Sep - 10 Sep	Air France
24 Sep - 30 Sep	Air France
16 Sep - 24 Sep	KLM
10 Sep - 17 Sep	Air France
24 Sep - 27 Sep	Air France
12 Sep - 15 Sep	Lufthansa
08 Sep - 13 Sep	Qatar Airways
28 Sep - 03 Oct	Singapore Airlines
15 Sep - 30 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 727€

Return flights