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

Return flights

24 Aug - 14 Sep	Finnair
24 Aug - 15 Sep	Finnair
25 Aug - 09 Sep	Finnair
31 Aug - 17 Sep	Finnair
24 Aug - 10 Sep	Air India
26 Aug - 08 Sep	Air India
26 Aug - 23 Sep	Air India
26 Aug - 22 Sep	Air India
26 Aug - 24 Sep	Air India
25 Aug - 24 Sep	Air India
24 Aug - 28 Aug	Air India
22 Aug - 29 Aug	Air India
22 Aug - 26 Aug	Air India
27 Aug - 31 Aug	Air India
21 Aug - 26 Aug	Air India
25 Aug - 30 Aug	Air India
24 Aug - 30 Aug	Air India
23 Aug - 29 Aug	Air India
23 Aug - 30 Aug	Air India
22 Aug - 31 Aug	Air India

Also check the deals for one-way flights from Frankfurt 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 Frankfurt to Singapore in August from $676

Return flights