Cheapest one-way flights from Belfast to Bilbao in May from $179
AirHint found the following cheapest one-way flights from Belfast (BHD) to Bilbao (BIO) in May 2025 (see full year).
One-Way flights
| 30 May | easyJet | ||
| 22 May | Aer Lingus | ||
| 20 May | Aer Lingus | ||
| 23 May | easyJet | ||
| 19 May | Aer Lingus |
Also check the deals for return flights from Belfast to Bilbao in May.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
