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

Return flights

31 Aug - 22 Sep	Finnair
31 Aug - 19 Sep	Finnair
24 Aug - 09 Sep	Finnair
25 Aug - 14 Sep	Finnair
31 Aug - 14 Sep	Finnair
26 Aug - 09 Sep	Finnair
25 Aug - 16 Sep	Finnair
28 Aug - 09 Sep	Finnair
25 Aug - 10 Sep	Finnair
31 Aug - 18 Sep	Finnair
20 Aug - 31 Aug	Air China
21 Aug - 30 Aug	Air China
25 Aug - 31 Aug	Oman Air
18 Aug - 31 Aug	Oman Air
13 Aug - 31 Aug	Wizz Air Malta
08 Aug - 27 Aug	Pegasus Airlines
21 Aug - 28 Aug	Air China
20 Aug - 27 Aug	Oman Air
14 Aug - 31 Aug	Turkish Airlines
18 Aug - 22 Aug	Ryanair

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 521€

Return flights