Cheap flights from Belfast to Bilbao

Travel planning usually benefits from looking at the weeks just before and after the quietest period of the year to find better connection availability. Fares tend to settle during late autumn and early spring when business travel slows down considerably. You will typically see the most competitive airfare rates in January, which falls outside of school holidays and major European festival periods. Booking your tickets well ahead of peak summer months often yields more reliable routing options across all carriers.

The journey from Belfast to Bilbao involves a choice between carriers that focus on basic seating and those that include checked luggage and in-flight service. Easyjet and Jet2 operate as budget-focused carriers where you pay separately for extra bags and preferred seats. Aer Lingus offers similar flexible pricing depending on the fare class selected. KLM Royal Dutch Airlines, British Airways and BA CityFlyer provide full-service networks through Amsterdam or London hubs, which means your checked luggage and meals are included in the base ticket price. You should verify exactly what each carrier bundles before you choose a routing partner.

Bilbao airport remains a compact terminal designed to process passengers quickly without the congestion found at larger international gateways. Because the facility is relatively small, you will rarely wait long for your luggage or navigate through crowded corridors upon landing. The main road network extends directly from the departures level, giving you easy access to taxis and local bus services that travel into the city centre within a short drive. You should also check seasonal weather patterns before arriving in winter, as heavy rain occasionally slows down ground transport along the coastal approach roads.

Currency

EUR (€)

Power sockets

Type C, F · 230 V

Language

Spanish

Emergency number

112, 061, 091

Driving side

right

Calling code

+34

Internet domain

.es

EU / Schengen

EU member, Schengen area

Population of Bilbao

351 k (2025)

Time zone

UTC+01 (Europe/Madrid)

Country facts: Wikidata

• Budget airlines charge separately for checked bags and priority boarding, so verify your fare type before you confirm the booking.
• Confirm your specific departure terminal at George Best City Airport since you will handle all check-in procedures under one roof.
• Compare connection times carefully when airlines book segments on separate tickets to ensure you have enough time to clear transit procedures in Amsterdam or London.
• Check that your travel documents meet current Spanish entry requirements before you pack for a journey through multiple countries.
• Book during the shoulder months around January to avoid peak season congestion and secure more reliable flight schedules across all carriers.