AirHint found the following cheapest return flights from Zagreb (ZAG) to Singapore (SIN) in August 2025 (see full year).

Return flights

25 Aug - 10 Sep	Air France
29 Aug - 21 Sep	KLM
30 Aug - 21 Sep	Air France
29 Aug - 12 Sep	Turkish Airlines
19 Aug - 26 Aug	Turkish Airlines
18 Aug - 25 Aug	Turkish Airlines
02 Aug - 17 Aug	Turkish Airlines
01 Aug - 05 Aug	Emirates

Also check the deals for one-way flights from Zagreb to Singapore 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 Zagreb to Singapore in August from 701€

Return flights