AirHint found the following cheapest return flights from Hong Kong (HKG) to Istanbul (IST) in August 2025 (see full year).

Return flights

12 Aug - 19 Aug	Emirates
21 Aug - 27 Aug	Sichuan Airlines
23 Aug - 30 Aug	Air China
21 Aug - 05 Sep	Sichuan Airlines
25 Aug - 31 Aug	IndiGo
07 Aug - 20 Aug	Sichuan Airlines
11 Aug - 17 Aug	China Eastern
13 Aug - 20 Aug	IndiGo
08 Aug - 28 Aug	IndiGo
19 Aug - 23 Aug	Air China
11 Aug - 18 Aug	IndiGo
26 Aug - 03 Sep	Sichuan Airlines
28 Aug - 05 Sep	Air India
28 Aug - 03 Sep	Emirates
29 Aug - 07 Sep	Emirates
29 Aug - 22 Sep	Emirates
29 Aug - 28 Sep	Emirates
28 Aug - 02 Sep	Emirates
29 Aug - 29 Sep	Emirates
30 Aug - 29 Sep	Emirates

Also check the deals for one-way flights from Hong Kong to Istanbul 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 Hong Kong to Istanbul in August from 529€

Return flights