AirHint found the following cheapest return flights from Sydney (SYD) to Tehran (IKA) in August 2025 (see full year).

Return flights

13 Aug - 20 Aug	Turkish Airlines
21 Aug - 18 Sep	Turkish Airlines
20 Aug - 18 Sep	Turkish Airlines
07 Aug - 30 Sep	Turkish Airlines
06 Aug - 25 Sep	Qatar Airways
10 Aug - 15 Sep	Qatar Airways
27 Aug - 23 Sep	Qatar Airways
31 Aug - 30 Sep	Qatar Airways
05 Aug - 24 Sep	Qatar Airways
05 Aug - 25 Sep	Qatar Airways
05 Aug - 23 Sep	Qatar Airways
02 Aug - 07 Aug	Qatar Airways
01 Aug - 31 Aug	Turkish Airlines
16 Aug - 23 Aug	Emirates

Also check the deals for one-way flights from Sydney to Tehran in August.

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 Tehran in August from $1451

Return flights