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

Return flights

26 Dec - 12 Jan	Etihad Airways
25 Dec - 11 Jan	Emirates
25 Dec - 07 Jan	Emirates
28 Dec - 10 Jan	Emirates
26 Dec - 10 Jan	Emirates
24 Dec - 06 Jan	Emirates
22 Dec - 07 Jan	IndiGo
17 Dec - 24 Dec	SWISS
16 Dec - 07 Jan	Air France
18 Dec - 25 Dec	China Eastern
16 Dec - 06 Jan	Air France
19 Dec - 04 Jan	Juneyao Airlines
22 Dec - 31 Dec	Scoot
15 Dec - 30 Dec	China Eastern
26 Dec - 28 Dec	Etihad Airways
20 Dec - 30 Dec	IndiGo
16 Dec - 25 Dec	Finnair
19 Dec - 27 Dec	Juneyao Airlines
19 Dec - 26 Dec	Juneyao Airlines
24 Dec - 31 Dec	Air France

Also check the deals for one-way flights from Singapore to Barcelona 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 Singapore to Barcelona in December from $548

Return flights