$58 Cheap Flights from Brussels (BRU) to Bilbao (BIO)

Popular airlines from Brussels Airport (BRU) to Bilbao Airport (BIO)

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Cheap Flights from Brussels to Bilbao (BRU-BIO)

Prices were available within the past 7 days and start at $58 for one-way flights and $184 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Brussels Airlines
Brussels Airlines
Brussels Airlines
Brussels Airlines
Lufthansa
Swiss International Air Lines
Brussels Airlines
Brussels Airlines
Air Europa
Iberia
0
Flights from Brussels (BRU) to Bilbao (BIO)
Origin airport
Brussels - National
Destination airport
Bilbao
Airlines serving
Aer Lingus, Air Europa, Austrian Airlines, Brussels Airlines, Iberia, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal
Roundtrip price
$184
Distance
628 mi

Brussels to Bilbao Flights

The cheapest times to fly from Brussels to Bilbao

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Brussels to Bilbao are during the month of October. You can find some of the cheapest flights from Brussels to Bilbao with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Brussels to Bilbao

Sunday is one of the best days to book for cheap flights from Brussels to Bilbao: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Brussels to Bilbao

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Brussels to Bilbao in 2025. You can also book with separate airlines for your outbound and return journeys, from $58 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Brussels to Bilbao flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Brussels to Bilbao airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Brussels - National Airport (BRU) to Bilbao Airport (BIO) cost?
Snag cheap return tickets starting at $186 from Brussels - National Airport (BRU) to Bilbao Airport (BIO). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Brussels Airlines flight leaving BRU on July 27 2025 and touching down at BIO. The price was last updated on July 10 2025 and has not changed since.
What is the cheapest month to fly from BRU to BIO?
The cheapest flights from BRU to BIO are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Brussels - National Airport (BRU) to Bilbao Airport (BIO)?
When setting off from Brussels - National Airport (BRU), you can get on a direct flight to Bilbao Airport (BIO) with Brussels Airlines.
What is the cheapest airline that flies from BRU to BIO?
At the moment, the cheapest carrier operating one-way flights from BRU to BIO is Brussels Airlines. You can book a seat on this route from $165. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from BRU on September 3 2025. Prices were last updated on July 10 2025 and have not changed since.
How many flights per day from Brussels - National Airport (BRU) to Bilbao Airport (BIO)?
On average, you'll only find 1 nonstop flight departing from Brussels - National Airport (BRU) to Bilbao Airport (BIO) each day. If this doesn't fit your travel plans, think about flights with a layover. Simply filter your search results on Expedia to include one or more stops to find a better alternative.
What are the most popular departure times for flights from Brussels - National Airport (BRU) to Bilbao Airport (BIO)?
Flights between BRU and BIO are their busiest at 10 AM. For a more relaxed trip and potentially cheaper prices, look for a departure that's outside typical rush times.
What day of the week has the most flights from BRU to BIO?
If you jet off on a Friday, you'll get the widest range of options for flights from Brussels - National Airport (BRU) to Bilbao Airport (BIO).
What is the earliest flight from Brussels - National Airport (BRU) to Bilbao Airport (BIO)?
Brussels - National Airport (BRU)'s earliest flight to Bilbao Airport (BIO) leaves at approximately 10:50AM UTC+1. With a travel duration of 2h, you'll arrive at around 12:50PM UTC+1.
How long does it take to fly from Brussels - National Airport (BRU) to Bilbao Airport (BIO)?
Flights from BRU to BIO have an average travel time of 1 hour and 59 minutes. The total distance between these two airports is 630 mi.
What airline has the least delays from BRU to BIO?
With 96% of flights typically arriving on schedule, Hainan Airlines has the best on-time performance for direct flights from Brussels - National Airport (BRU) to Bilbao Airport (BIO). To check your flight status and get notifications about any changes, simply head to the Expedia App.
What is the best time to fly from Brussels - National Airport (BRU) to Bilbao Airport (BIO)?
To avoid potential delays on the Brussels - National Airport (BRU) to Bilbao Airport (BIO) route, fly before 3 PM. Flights after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Bilbao from Brussels - National Airport (BRU)?
Check out your flight options from Brussels - National Airport (BRU) to Bilbao Airport (BIO). This is the only Bilbao airport you can fly into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Brussels - National Airport (BRU) to Bilbao Airport (BIO) last-minute?
Booking your ticket from BRU to BIO shortly before your trip is generally more expensive. However, if you're flexible with your travel times and dates, you could land a cheap last-minute fare.
Is it cheaper to book a BRU to BIO flight and hotel package?
You'll typically save money by booking a BRU to BIO flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've selected your ideal accommodations and flights, consider adding extras including tours, activities and car rentals.
Can I cancel or change the date of my flight from Brussels - National Airport (BRU) to Bilbao Airport (BIO)?
If you booked your BRU to BIO flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

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