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

Return flights

19 Dec - 31 Jan	Turkish Airlines
22 Dec - 26 Jan	Turkish Airlines
12 Dec - 30 Jan	Turkish Airlines
17 Dec - 27 Jan	Turkish Airlines
18 Dec - 30 Jan	Turkish Airlines
02 Dec - 10 Jan	Turkish Airlines
16 Dec - 29 Jan	Qatar Airways

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

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 Tehran to Sydney in December from $1837

Return flights