AirHint found the following cheapest one-way flights from Barcelona (BCN) to Singapore (SIN) in December 2025 (see full year).
One-Way flights
| 04 Dec | Saudia | ||
| 10 Dec | Shenzhen Airlines | ||
| 08 Dec | Shenzhen Airlines | ||
| 01 Dec | Iberia | ||
| 02 Dec | Qatar Airways | ||
| 06 Dec | Vueling Airlines | ||
| 09 Dec | Saudia | ||
| 07 Dec | Wizz Air Malta | ||
| 15 Dec | Wizz Air | ||
| 13 Dec | Ryanair |
Also check the deals for return flights from Barcelona to Singapore in December.
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