Cheapest return flights from Sydney to Istanbul in December from $1257

Best time to book flights for Sydney (SYD) to Istanbul (IST) flights at AirHint

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

Return flights

31 Dec - 09 Jan Air China
18 Dec - 03 Jan Asiana Airlines
19 Dec - 04 Jan Air China
12 Dec - 21 Jan Air China
25 Dec - 02 Jan China Southern
19 Dec - 03 Jan Asiana Airlines
18 Dec - 10 Jan Asiana Airlines
13 Dec - 23 Jan China Southern
18 Dec - 07 Jan Asiana Airlines
22 Dec - 29 Dec China Southern
19 Dec - 10 Jan Asiana Airlines
17 Dec - 22 Dec Thai Airways

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

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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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