AirHint found the following cheapest return flights from Bilbao (BIO) to Sao Paulo (GRU) in April 2026 (see full year).
Return flights
| 17 Apr - 10 May | TAP | ||
| 09 Apr - 24 Apr | TAP | ||
| 19 Apr - 30 Apr | TAP | ||
| 10 Apr - 25 Apr | TAP | ||
| 11 Apr - 25 Apr | Air Europa | ||
| 09 Apr - 16 Apr | Air France |
Also check the deals for one-way flights from Bilbao to Sao Paulo in April.
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