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

Return flights

01 Dec - 08 Dec	British Airways
02 Dec - 09 Dec	British Airways
29 Dec - 12 Jan	Vueling Airlines
30 Dec - 13 Jan	Lufthansa
22 Dec - 29 Dec	Vueling Airlines
31 Dec - 14 Jan	Lufthansa
30 Dec - 14 Jan	Lufthansa
29 Dec - 09 Jan	Vueling Airlines
26 Dec - 09 Jan	Ryanair
30 Dec - 17 Jan	Vueling Airlines
29 Dec - 05 Jan	Vueling Airlines
27 Dec - 05 Jan	Ryanair
23 Dec - 30 Dec	Vueling Airlines
15 Dec - 09 Jan	Vueling Airlines
20 Dec - 26 Dec	Vueling Airlines
01 Dec - 08 Dec	Singapore Airlines	direct
18 Dec - 25 Dec	Vueling Airlines
19 Dec - 26 Dec	KLM
21 Dec - 28 Dec	Air Serbia
22 Dec - 29 Dec	Singapore Airlines	direct

Also check the deals for one-way flights from Barcelona 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 Barcelona to Singapore in December from $660

Return flights