Cheap Flights to Bilbao (BIO) 2025

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Search Airline Tickets to Bilbao, Spain

Top Attractions in Bilbao

OneTravel already made booking a cheap flight simple. Now, to ease the planning of your vacation to Bilbao (BIO), our resident travel experts compiled a list of the top attractions to visit! Our thoroughly researched list of attractions captures Bilbao’s culture and character. So, book cheap flights to Bilbao and save money to spend on discovering the city!

Guggenheim Museum is a unique modern art museum in the shape of a fish’s scales. Originally known as the Fish Gallery, this museum regularly hosts exhibitions which draw a huge crowd.
Basque Museum is a must-visit if you are a history buff. Dealing with prehistory, archaeology, ethnography and history of Euskadi, you can spend a good couple of hours browsing through this museum.
Cathedral of St. James is not only a revered attraction, but also a highly beautiful architectural gem. Take a tour of this castle and enrich your travel repertoire. The décor and highly aesthetic interior is incredibly charming.
Ayuntamiento, the city hall is a mesmerizing spot to visit in the city. Built in the neo-baroque style by architect Jaquin Rucoba, this mansion has been attracting tourists since early on.

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Useful Information on Flights to Bilbao

Popular Airlines:	KLM Airlines, TAP Portugal, Air Europa

Facts About Flying to Bilbao, Spain^§

The percentage of Bilbao travelers over the age of 35 was 59%.
The percentage of Bilbao travelers over the age of 60 was 38%.
The percentage of Bilbao travelers who booked First or Business Class Class was 30%.
The percentage of Bilbao travelers who were millennials was 41%.
The percentage of Bilbao travelers who were female was 34%.
Average number of days spent by travelers in Bilbao was 11.
Month with most bookings for Bilbao was January.
Month with least bookings for Bilbao was April.

^§ All flight facts are based on last 3 months data on OneTravel.

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This promo is applicable for your first app booking only, considering bookings post 1st Jan 2026.
Maximum savings of $100 calculated as up to $20 per person for up to five (5) travelers off service fees for qualified airline tickets.
This Promo Code and Instant Savings offers can be used and combined only up to the amount of service fees. Cannot be combined with any other coupon, promotion or special offer.
May be withdrawn at any time without notice. Void where prohibited.

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We offer a number of discount and savings opportunities to our customers. When searching for airfares, discount and savings claims are based on multiple factors, including searching over 500 airlines to find the available fare. Coupon codes are valid for savings for qualified bookings off our service fees. Seniors and youth may find specific discounted fares offered by certain airlines subject to airline qualifications. Military, bereavement and visually impaired travelers are eligible for discounts off our post-booking service fees as outlined in our compassion exception policy.

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* Unless otherwise noted, fares are one way/roundtrip. Fares include all fuel surcharges, taxes & fees and our service fees . Displayed fares are based on historical data, are subject to change. Tickets are nonrefundable, nontransferable, non-assignable and subject to airline restrictions. Name changes are not permitted. There is a higher probability of seats at the stated fare being available on Tuesday, Wednesday and Thursday, and it may require an advance purchase of up to 21 days and/or a Saturday night stay at the destination. Certain blackout dates may apply. Holidays and weekend travel may have a surcharge. See Terms and conditions for other restrictions..

Coupon Codes

Expires Jun 30, 2026. Discount applies to service fees for qualified airline tickets, hotel, car rental and vacation package bookings. Amount of service fee discount varies: for air bookings maximum savings of $10 per person applied to bookings from one (1) traveler up to two (2) travelers; the maximum discount applied is $20; for hotel bookings maximum savings of $12 applied on qualified purchases; for car rental bookings maximum savings of $8 applied on qualified bookings; for vacation package bookings maximum savings of $20 applied on qualified bookings. Promo Code and Instant Savings offers can be combined up to the amount of our service fees but cannot be used or combined with any other coupons, promotions or special offers. May be withdrawn at any time without notice. No cash value, void where prohibited.

Cheap Flights to Bilbao (BIO)

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