AirHint found the following cheapest return flights from Bilbao (BIO) to San Juan (SJU) in February 2026 (see full year).
Return flights
| 02 Feb - 07 Feb | Vueling Airlines | ||
| 09 Feb - 15 Feb | Iberia | ||
| 19 Feb - 27 Feb | Iberia | ||
| 14 Feb - 21 Feb | Iberia |
Also check the deals for one-way flights from Bilbao to San Juan in February.
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