$23 Cheap Flights to Bilbao

To lock in cheap flights to Bilbao, book in advance or travel during the off-season months of December and January. Like another tip? Take off on a Thursday and save 16% on average compared to those who travel on a Sunday.* Set a price alert on the Expedia app and we'll get in touch as soon as your fares drop.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

To nab some of the best deals on domestic journeys, book your flight to Bilbao 28 days ahead of your travel dates. For international flights, search for your ticket two to four months in advance. This gives you a better chance of locking in your preferred departure times and seats.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

Sundays are typically the best day to book a cheap flight to Bilbao, where you can save 8% on average compared to Fridays. If you choose to purchase tickets on a Friday, be ready to pay a higher price as this is often the most expensive day.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

Bilbao is connected to 48 airports worldwide through 20 carriers, with Bilbao Airport (BIO) as its chief entry point. Select from these well-known airlines to Bilbao when planning your journey:

• Vueling
• Iberia
• Air Europa
• KLM