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

Return flights

05 Dec - 12 Dec	Turkish Airlines
04 Dec - 11 Dec	Turkish Airlines
06 Dec - 13 Dec	Turkish Airlines
24 Dec - 31 Dec	Qatar Airways
24 Dec - 04 Jan	Qatar Airways
18 Dec - 02 Jan	Qatar Airways
19 Dec - 02 Jan	Lufthansa
05 Dec - 13 Dec	Condor

Also check the deals for one-way flights from Singapore to Zagreb 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 Zagreb

Cheap car rent in Zagreb

Cheapest return flights from Singapore to Zagreb in December from $776

Return flights