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

Return flights

28 Jul - 13 Aug	China Eastern
24 Jul - 07 Aug	China Eastern
18 Jul - 26 Jul	Air China
15 Jul - 26 Aug	China Eastern
23 Jul - 10 Aug	Air China
23 Jul - 04 Aug	Air China
22 Jul - 26 Aug	China Eastern
10 Jul - 20 Jul	China Eastern
27 Jul - 11 Aug	China Eastern
06 Jul - 11 Aug	Sichuan Airlines
29 Jul - 05 Aug	Jetstar
29 Jul - 09 Aug	Scoot Tigerair
13 Jul - 28 Jul	ANA
09 Jul - 13 Jul	China Eastern
16 Jul - 30 Jul	Air China
16 Jul - 27 Jul	IndiGo
07 Jul - 22 Jul	China Eastern
10 Jul - 30 Jul	Hainan Airlines
17 Jul - 27 Jul	IndiGo
07 Jul - 28 Jul	AirAsia X

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

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 Istanbul in July from 688€

Return flights