AirHint found the following cheapest one-way flights from Athens (ATH) to Bilbao (BIO) in April 2026 (see full year).
One-Way flights
| 27 Apr | Volotea | direct | |
| 30 Apr | Volotea | direct | |
| 20 Apr | Volotea | direct | |
| 25 Apr | Ryanair | ||
| 22 Apr | Ryanair | ||
| 23 Apr | Wizz Air | ||
| 21 Apr | Wizz Air | ||
| 26 Apr | Wizz Air | ||
| 29 Apr | Ryanair | ||
| 24 Apr | Wizz Air Malta |
Also check the deals for return flights from Athens to Bilbao in April.
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