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

Return flights

04 Dec - 26 Dec	Etihad Airways
07 Dec - 23 Dec	KLM
08 Dec - 28 Dec	KLM
03 Dec - 07 Dec	KLM
06 Dec - 28 Dec	KLM
06 Dec - 27 Dec	KLM
07 Dec - 28 Dec	KLM
02 Dec - 08 Dec	KLM
04 Dec - 29 Dec	Etihad Airways
04 Dec - 30 Dec	Etihad Airways
01 Dec - 14 Jan	Etihad Airways
04 Dec - 01 Jan	SKY express
01 Dec - 12 Jan	Finnair
10 Dec - 16 Jan	Etihad Airways
15 Dec - 21 Jan	Ryanair
14 Dec - 15 Jan	Pegasus Airlines
13 Dec - 15 Jan	AJet
12 Dec - 12 Jan	easyJet
04 Dec - 02 Jan	Air China
16 Dec - 13 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.

Book a cheap hotel in Singapore

Cheap car rent in Singapore

Cheapest return flights from Frankfurt to Singapore in December from $589

Return flights