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

Return flights

08 Dec - 23 Dec	Qatar Airways
11 Dec - 25 Dec	Qatar Airways
08 Dec - 13 Dec	Qatar Airways
24 Dec - 31 Dec	Qatar Airways
21 Dec - 01 Jan	Qatar Airways
30 Dec - 11 Jan	Qatar Airways
18 Dec - 25 Dec	Qatar Airways
13 Dec - 03 Jan	Qatar Airways
21 Dec - 02 Jan	Qatar Airways
26 Dec - 04 Jan	Qatar Airways
28 Dec - 03 Jan	Qatar Airways
27 Dec - 03 Jan	Qatar Airways
20 Dec - 02 Jan	Qatar Airways

Also check the deals for one-way flights from Istanbul 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 Istanbul to Singapore in December from $973

Return flights