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

Return flights

04 Dec - 09 Dec	KLM
08 Dec - 27 Dec	Air France
06 Dec - 27 Dec	Air France
08 Dec - 23 Dec	Air France
03 Dec - 10 Dec	Air India
01 Dec - 14 Dec	KLM
01 Dec - 17 Dec	Etihad Airways
01 Dec - 15 Dec	Etihad Airways
01 Dec - 07 Dec	Turkish Airlines
01 Dec - 23 Dec	Turkish Airlines
09 Dec - 16 Jan	Finnair
11 Dec - 12 Jan	Gulf Air
11 Dec - 18 Jan	Gulf Air
11 Dec - 01 Jan	Etihad Airways
30 Dec - 16 Jan	Air China
14 Dec - 15 Jan	Etihad Airways
16 Dec - 13 Jan	Etihad Airways
23 Dec - 16 Jan	Air China
30 Dec - 12 Jan	Air China
11 Dec - 05 Jan	Pegasus Airlines

Also check the deals for one-way flights from Frankfurt to Singapore in December.

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 December from $662

Return flights