$43 Cheap Flights from Madrid (MAD) to Bilbao (BIO)

View $43 flight on Fri, Sep 19, 2025Opens in a new window

Popular airlines from Adolfo Suarez Madrid-Barajas Airport (MAD) to Bilbao Airport (BIO)

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Cheap Flights from Madrid to Bilbao (MAD-BIO)

Prices were available within the past 7 days and start at $43 for one-way flights and $71 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Sat, Nov 15 - Wed, Nov 26
MAD
Madrid
BIO
Bilbao
$71 Roundtrip, found 6 days ago
$71
Roundtrip
found 6 days ago
Select Iberia flight, departing Sat, Nov 15 from Madrid to Bilbao, returning Wed, Nov 26, priced at $71 found 6 days ago
Iberia
Fri, Mar 6 - Mon, Mar 23
MAD
Madrid
BIO
Bilbao
$71 Roundtrip, found 4 days ago
$71
Roundtrip
found 4 days ago
Select Iberia flight, departing Fri, Mar 6 from Madrid to Bilbao, returning Mon, Mar 23, priced at $71 found 4 days ago
Air Europa
Sat, Sep 20 - Sat, Sep 27
MAD
Madrid
BIO
Bilbao
$77 Roundtrip, found 2 hours ago
$77
Roundtrip
found 2 hours ago
Select Air Europa flight, departing Sat, Sep 20 from Madrid to Bilbao, returning Sat, Sep 27, priced at $77 found 2 hours ago
Iberia
Sun, Sep 21 - Sat, Sep 27
MAD
Madrid
BIO
Bilbao
$81 Roundtrip, found 6 days ago
$81
Roundtrip
found 6 days ago
Select Iberia flight, departing Sun, Sep 21 from Madrid to Bilbao, returning Sat, Sep 27, priced at $81 found 6 days ago
Iberia
Mon, Nov 24 - Sat, Nov 29
MAD
Madrid
BIO
Bilbao
$81 Roundtrip, found 3 days ago
$81
Roundtrip
found 3 days ago
Select Iberia flight, departing Mon, Nov 24 from Madrid to Bilbao, returning Sat, Nov 29, priced at $81 found 3 days ago
Iberia
Wed, Nov 5 - Tue, Nov 11
MAD
Madrid
BIO
Bilbao
$84 Roundtrip, found 6 days ago
$84
Roundtrip
found 6 days ago
Select Iberia flight, departing Wed, Nov 5 from Madrid to Bilbao, returning Tue, Nov 11, priced at $84 found 6 days ago
Air Europa
Wed, Nov 5 - Tue, Nov 11
MAD
Madrid
BIO
Bilbao
$90 Roundtrip, found 6 days ago
$90
Roundtrip
found 6 days ago
Select Air Europa flight, departing Wed, Nov 5 from Madrid to Bilbao, returning Tue, Nov 11, priced at $90 found 6 days ago
Air Europa
Mon, Sep 22 - Mon, Sep 29
MAD
Madrid
BIO
Bilbao
$90 Roundtrip, found 2 hours ago
$90
Roundtrip
found 2 hours ago
Select Air Europa flight, departing Mon, Sep 22 from Madrid to Bilbao, returning Mon, Sep 29, priced at $90 found 2 hours ago
Iberia
Wed, Nov 5 - Tue, Nov 11
MAD
Madrid
BIO
Bilbao
$95 Roundtrip, found 6 days ago
$95
Roundtrip
found 6 days ago
Select Iberia flight, departing Wed, Nov 5 from Madrid to Bilbao, returning Tue, Nov 11, priced at $95 found 6 days ago
Accessrail
Fri, Aug 15 - Sun, Aug 24
XTI
Madrid
YJI
Bilbao
$146 Roundtrip, found 4 days ago
$146
Roundtrip
found 4 days ago
Select Accessrail flight, departing Fri, Aug 15 from Madrid to Bilbao, returning Sun, Aug 24, priced at $146 found 4 days ago

Find the cheapest month to fly from Madrid (MAD) to Bilbao (BIO)

February is typically the cheapest month to fly

From $53 - $86 per traveler.

Graph displaying average flight prices per month

Alternative airports near Bilbao

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Bilbao Airport BIO. Cheapest and Closest option available. Average driving time to city center is 13 minutes. Flights from $121
BIO
Bilbao Airport
CheapestClosest
Average driving time to city center13 min
Flights from $121
Flights from Madrid (MAD) to Bilbao (BIO)
Origin airport
Adolfo Suárez Madrid-Barajas
Destination airport
Bilbao
Airlines serving
Air Europa, Iberia
Roundtrip price
$70
Distance
198 mi
Average flight time
1 hour 3 mins

Madrid to Bilbao Flights

The cheapest times to fly from Madrid 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 Madrid to Bilbao are during the month of November. You can find some of the cheapest flights from Madrid to Bilbao with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Madrid to Bilbao

Sunday is one of the best days to book for cheap flights from Madrid 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 Madrid 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 Madrid to Bilbao in 2025. You can also book with separate airlines for your outbound and return journeys, from $43 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 Madrid 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 Madrid 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 Adolfo Suarez Madrid-Barajas Airport (MAD) to Bilbao Airport (BIO) cost?
Score cheap return flights from Adolfo Suarez Madrid-Barajas Airport (MAD) to Bilbao Airport (BIO) starting at $71. Reserve your seat and get ready to go. 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 Iberia flight leaving MAD on July 20 2025 and touching down at BIO. The price was last updated on July 3 2025 and has not changed since.
What is the cheapest month to fly from MAD to BIO?
The cheapest flights from MAD 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 Adolfo Suarez Madrid-Barajas Airport (MAD) to Bilbao Airport (BIO)?
Jump on a nonstop flight with Iberia and fly straight from Adolfo Suarez Madrid-Barajas Airport (MAD) to Bilbao Airport (BIO).
What is the cheapest airline that flies from MAD to BIO?
With prices as low as $43 for a one-way flight from MAD to BIO, Iberia is currently the cheapest airline for this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from MAD on September 28 2025. Prices were last updated on July 3 2025 and have not changed since.
How many flights per day from Adolfo Suarez Madrid-Barajas Airport (MAD) to Bilbao Airport (BIO)?
Each day on average, 8 nonstop flights take off from Adolfo Suarez Madrid-Barajas Airport (MAD) to Bilbao Airport (BIO). Choose the departure that best fits your itinerary.
What are the most popular departure times for flights from Adolfo Suarez Madrid-Barajas Airport (MAD) to Bilbao Airport (BIO)?
The 3 PM departures from MAD to BIO are the most sought after. These flights can come with a higher price due to their popularity. If you're hoping to save money, choose a less crowded time to fly.
What day of the week has the most flights from MAD to BIO?
Thursday has the most flights from Adolfo Suarez Madrid-Barajas Airport (MAD) to Bilbao Airport (BIO). Consider leaving on this day and you'll have the best chance of finding a departure that works with your plans.
What is the earliest flight from Adolfo Suarez Madrid-Barajas Airport (MAD) to Bilbao Airport (BIO)?
Catch the earliest flight at around 6:30AM UTC+1, departing from Adolfo Suarez Madrid-Barajas Airport (MAD). You'll be in the air for about 1h 5m, touching down at Bilbao Airport (BIO) at approximately 7:35AM UTC+1.
How long does it take to fly from Adolfo Suarez Madrid-Barajas Airport (MAD) to Bilbao Airport (BIO)?
It takes about 1 hour and 3 minutes to travel the 200 mi from MAD to BIO.
What airline has the least delays from MAD to BIO?
With 86% of journeys generally arriving on time, Air Europa has the best on-time performance for nonstop flights from Adolfo Suarez Madrid-Barajas Airport (MAD) to Bilbao Airport (BIO). To check your flight status and receive notifications if anything changes, head to the Expedia App.
What is the best time to fly from Adolfo Suarez Madrid-Barajas Airport (MAD) to Bilbao Airport (BIO)?
To land at Bilbao Airport (BIO) on time, pick a flight that leaves Adolfo Suarez Madrid-Barajas Airport (MAD) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Adolfo Suarez Madrid-Barajas Airport (MAD)?
You'll touch down at Bilbao Airport (BIO) or Santander Airport (SDR) when you travel to Bilbao on a direct flight from Adolfo Suarez Madrid-Barajas Airport (MAD).
Is it cheaper to buy a plane ticket from Adolfo Suarez Madrid-Barajas Airport (MAD) to Bilbao Airport (BIO) last-minute?
Booking your ticket from MAD to BIO right before your getaway is typically more expensive. However, if there's some wiggle room with your departure times and dates, you could land a cheap last-minute fare.
Is it cheaper to book a MAD to BIO flight and hotel package?
You can save money by securing a MAD to BIO flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've chosen your ideal flights and accommodations, consider adding extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from Adolfo Suarez Madrid-Barajas Airport (MAD) to Bilbao Airport (BIO)?
If you reserved your MAD to BIO flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

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*Available to One Key members.