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

Return flights

03 Dec - 29 Jan	Qantas
02 Dec - 06 Dec	Turkish Airlines
23 Dec - 30 Dec	AirAsia X
02 Dec - 31 Dec	Qatar Airways
01 Dec - 16 Dec	Qatar Airways
02 Dec - 06 Jan	Qatar Airways
02 Dec - 07 Jan	Qatar Airways
03 Dec - 05 Jan	Qatar Airways
27 Dec - 27 Jan	Turkish Airlines
24 Dec - 31 Jan	Qatar Airways
26 Dec - 27 Jan	Qatar Airways
05 Dec - 22 Jan	Turkish Airlines
11 Dec - 31 Jan	Qatar Airways
25 Dec - 25 Jan	Qatar Airways
15 Dec - 22 Dec	Qatar Airways
10 Dec - 28 Dec	Qatar Airways
22 Dec - 29 Dec	Qatar Airways
10 Dec - 27 Dec	Qatar Airways
20 Dec - 27 Dec	Qatar Airways

Also check the deals for one-way flights from Sydney to Tehran 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 Sydney to Tehran in December from $1524

Return flights