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

Return flights

05 Dec - 22 Dec	Scoot	direct
08 Dec - 15 Dec	Scoot	direct
05 Dec - 15 Dec	Scoot	direct
05 Dec - 08 Dec	Scoot	direct
12 Dec - 26 Dec	Scoot	direct
12 Dec - 22 Dec	Scoot	direct
01 Dec - 08 Dec	Scoot	direct
15 Dec - 22 Dec	Scoot	direct
08 Dec - 12 Dec	Scoot	direct
01 Dec - 05 Dec	Scoot	direct
08 Dec - 12 Jan	Scoot	direct
09 Dec - 27 Jan	Gulf Air
12 Dec - 12 Jan	Scoot	direct
15 Dec - 15 Jan	Gulf Air
08 Dec - 26 Jan	Gulf Air
15 Dec - 02 Jan	Scoot	direct
29 Dec - 14 Jan	Scoot
14 Dec - 30 Jan	Pegasus Airlines
26 Dec - 02 Jan	Scoot	direct
29 Dec - 09 Jan	Scoot	direct

Also check the deals for one-way flights from Athens 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 Athens to Singapore in December from $464

Return flights