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

Return flights

14 Sep - 13 Oct	Turkish Airlines
04 Sep - 18 Sep	Turkish Airlines
02 Sep - 16 Sep	Turkish Airlines
05 Sep - 26 Sep	Turkish Airlines
16 Sep - 11 Oct	Turkish Airlines
17 Sep - 11 Oct	Turkish Airlines
08 Sep - 17 Sep	Qatar Airways
06 Sep - 27 Sep	Singapore Airlines
06 Sep - 28 Sep	Qatar Airways
27 Sep - 10 Oct	Qatar Airways

Also check the deals for one-way flights from Sydney 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 Sydney to Prague in September from $1255

Return flights