AirHint found the following cheapest return flights from Bilbao (BIO) to Singapore (SIN) in January 2026 (see full year).
Return flights
| 05 Jan - 16 Jan | Pegasus Airlines | ||
| 09 Jan - 15 Jan | Vueling Airlines | ||
| 30 Jan - 13 Feb | SWISS |
Also check the deals for one-way flights from Bilbao to Singapore in January.
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