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

Return flights

07 Dec - 09 Jan	Gulf Air
27 Dec - 08 Jan	Gulf Air
28 Dec - 14 Jan	Gulf Air
01 Dec - 04 Dec	Scoot
05 Dec - 11 Dec	Scoot
23 Dec - 07 Jan	Etihad Airways
14 Dec - 10 Jan	Gulf Air
28 Dec - 14 Jan	Singapore Airlines	direct
02 Dec - 06 Dec	Turkish Airlines
21 Dec - 09 Jan	Etihad Airways
11 Dec - 05 Jan	Gulf Air
18 Dec - 09 Jan	Gulf Air
19 Dec - 11 Jan	Scoot
16 Dec - 30 Dec	Turkish Airlines
20 Dec - 31 Dec	Gulf Air
22 Dec - 31 Dec	Gulf Air
01 Dec - 10 Dec	Lufthansa	direct
16 Dec - 30 Dec	Singapore Airlines	direct
11 Dec - 24 Dec	KLM
16 Dec - 26 Dec	Finnair

Also check the deals for one-way flights from Singapore to Frankfurt 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 Singapore to Frankfurt in December from $593

Return flights