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

Return flights

21 Aug - 31 Aug	Pegasus Airlines
27 Aug - 12 Sep	Air Serbia
20 Aug - 11 Sep	Air Serbia
25 Aug - 20 Sep	IndiGo
14 Aug - 15 Aug	IndiGo
07 Aug - 14 Aug	IndiGo
22 Aug - 07 Sep	Air Serbia
29 Aug - 14 Sep	SWISS
25 Aug - 08 Sep	SWISS
21 Aug - 06 Sep	Lufthansa

Also check the deals for one-way flights from Belgrade 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 Belgrade to Singapore in August from 670€

Return flights