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

Return flights

14 Aug - 26 Aug	Scoot Tigerair	direct
05 Aug - 16 Aug	IndiGo
11 Aug - 15 Aug	IndiGo
09 Aug - 16 Aug	IndiGo
23 Aug - 24 Aug	IndiGo
03 Aug - 18 Aug	IndiGo
23 Aug - 31 Aug	IndiGo
05 Aug - 05 Sep	IndiGo
28 Aug - 02 Sep	IndiGo
04 Aug - 10 Aug	IndiGo
28 Aug - 03 Sep	IndiGo
20 Aug - 02 Sep	IndiGo
19 Aug - 09 Sep	IndiGo
08 Aug - 15 Aug	IndiGo
25 Aug - 01 Sep	IndiGo
10 Aug - 11 Aug	IndiGo
12 Aug - 10 Sep	IndiGo
30 Aug - 18 Sep	IndiGo
30 Aug - 06 Sep	IndiGo
19 Aug - 09 Sep	Scoot Tigerair	direct

Also check the deals for one-way flights from Singapore to Vienna 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 Singapore to Vienna in August from 504€

Return flights