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

Return flights

26 Aug - 11 Sep	Turkish Airlines
16 Aug - 30 Sep	Air France
18 Aug - 30 Sep	Air France
19 Aug - 30 Sep	Air France
19 Aug - 15 Sep	Turkish Airlines
26 Aug - 16 Sep	Turkish Airlines
22 Aug - 07 Sep	KLM
23 Aug - 22 Sep	Air France
18 Aug - 07 Sep	KLM
28 Aug - 04 Sep	Turkish Airlines
26 Aug - 27 Aug	IndiGo
19 Aug - 26 Aug	IndiGo
19 Aug - 27 Aug	IndiGo
22 Aug - 29 Aug	IndiGo
25 Aug - 31 Aug	IndiGo
22 Aug - 30 Aug	Ryanair
23 Aug - 29 Aug	IndiGo
22 Aug - 27 Aug	Ryanair

Also check the deals for one-way flights from Dublin 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 Dublin to Singapore in August from 495€

Return flights