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

Return flights

20 Aug - 25 Sep	IndiGo
25 Aug - 09 Sep	IndiGo
24 Aug - 09 Sep	IndiGo
30 Aug - 30 Sep	IndiGo
28 Aug - 06 Sep	IndiGo
20 Aug - 25 Aug	IndiGo
31 Aug - 30 Sep	IndiGo
09 Aug - 24 Aug	IndiGo
12 Aug - 20 Aug	IndiGo
08 Aug - 24 Aug	IndiGo
11 Aug - 16 Aug	IndiGo
25 Aug - 08 Sep	SWISS
03 Aug - 17 Aug	IndiGo
22 Aug - 07 Sep	Air Serbia
29 Aug - 14 Sep	SWISS
27 Aug - 12 Sep	SWISS
23 Aug - 30 Aug	Qatar Airways

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 $579

Return flights