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

Return flights

31 Dec - 07 Jan	Pegasus Airlines
28 Dec - 06 Jan	Aegean Airlines
29 Dec - 05 Jan	Pegasus Airlines
29 Dec - 12 Jan	Ryanair
29 Dec - 02 Jan	Scoot	direct
29 Dec - 07 Jan	Pegasus Airlines
25 Dec - 02 Jan	MEA
29 Dec - 05 Jan	Scoot	direct
27 Dec - 02 Jan	Aegean Airlines
29 Dec - 12 Jan	Scoot	direct
24 Dec - 28 Dec	Air Arabia
26 Dec - 31 Dec	Pegasus Airlines
25 Dec - 27 Dec	SKY express
23 Dec - 31 Dec	Aegean Airlines
24 Dec - 27 Dec	Wizz Air
26 Dec - 27 Dec	Turkish Airlines

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 743€

Return flights