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Cheap flights from Madrid, Spain to Bilbao from £31

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/7. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — BIO
6 Jul — 13 Jul1
1 adult

Cheapflights Tip: The best prices from Madrid Barajas to Bilbao are usually found in January or February, booked 64 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Madrid to Bilbao

Discover tips and strategies to find the most affordable flight options for your journey from Madrid (MAD) to Bilbao (BIO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 1 July 2025.

Round-trip from

£59

One-way from

£31

Popular in

June

Cheapest in

January

Average price

£80
Iberia
  • Iberia
  • 13/8-20/8
  • Nonstop
  • 2h 15m total
  • Madrid to Bilbao
Search Deals
Air Europa
  • Air Europa
  • 27/7
  • Nonstop
  • 1h 05m total
  • Madrid to Bilbao
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£6 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£2 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
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Find flight deals from Madrid to Bilbao

Cheapest flights from Madrid to Bilbao
Explore the most affordable flight options available from Madrid to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.

Wed 13/807:25MAD - BIO
Nonstop1h 05mIberia
Wed 20/821:35BIO - MAD
Nonstop1h 10mIberia
Deal found 29/6£59
Mon 10/1110:45MAD - BIO
Nonstop1h 00mAir Europa
Thu 13/1121:05BIO - MAD
Nonstop1h 05mAir Europa
Deal found 30/6£61
Sun 28/1207:05MAD - BIO
1 stop9h 00mMultiple Airlines
Mon 29/1217:10BIO - MAD
1 stop5h 30mMultiple Airlines
Deal found 29/6£85

Cheapflights Fare Finder

Customise your flight search to find flights from Madrid to Bilbao that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 1 July 2025.
Use the filters below to find and compare flights from Madrid to Bilbao that are best for you.

Fly from

Madrid

Fly to

Bilbao

Route

Depart

Return

Price

MadridBilbao

MAD - BIO

MADBIO

Madrid Barajas

Wed 13/8

07:25-08:30

Nonstop1h 05m

Bilbao

Wed 20/8

21:35-22:45

Nonstop1h 10m

£59

MadridBilbao

MAD - BIO

MADBIO

Madrid Barajas

Mon 10/11

19:05-20:05

Nonstop1h 00m

Bilbao

Wed 12/11

21:05-22:10

Nonstop1h 05m

£61

MadridBilbao

MAD - BIO

MADBIO

Madrid Barajas

Sun 28/12

07:05-16:05

1 stop9h 00m

Bilbao

Mon 29/12

17:10-22:40

1 stop5h 30m

£85

MadridBilbao

MAD - BIO

MADBIO

Madrid Barajas

Sun 27/7

06:30-07:35

Nonstop1h 05m

£31

MadridBilbao

MAD - BIO

MADBIO

Madrid Barajas

Sun 7/9

21:35-08:15

1 stop10h 40m

£36

MadridBilbao

MAD - BIO

MADBIO

Madrid Barajas

Sat 9/8

17:55-18:05

1 stop24h 10m

£160

Flights are sorted by cheapest return flights first.

Deals found on 30/6

Best time to book a flight from Madrid to Bilbao

Have a flexible travel schedule? Discover the best time to fly to Bilbao from Madrid with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Madrid to Bilbao

How far ahead should I book a flight from Madrid to Bilbao?

Use this chart to determine the optimal time to book a return flight from Madrid to Bilbao. Price data was last updated on 27 June 2025.

Booking 64 days in advance of your planned departure date is, on average, the best time to get cheap flights from Madrid to Bilbao. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Madrid to Bilbao?

Currently, January is the cheapest month in which you can book a flight from Madrid to Bilbao (average of £74). Flying from Madrid to Bilbao in August is currently the most expensive (average of £223). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MAD to BIO?

Find hourly flight availability from Madrid to Bilbao. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 July 2025.

It’s typically best to fly out from Madrid to Bilbao at midday. Doing so could potentially save you 18% on the flight price compared to flying in the morning, which is usually more expensive.

Weekly flight availability from Madrid to Bilbao

Explore weekly flight availability from Madrid to Bilbao. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 1 July 2025.

The most flights from MAD to BIO are scheduled on a Monday (57 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (32 on average).

Reviews of airlines servicing Bilbao

Get insights into the airlines that provide service to Bilbao. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Bilbao. Reviews last updated 1 July 2025.
See what other customers who have flown with TAP AIR PORTUGAL, Iberia, andAir Europa from Madrid to Bilbao have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
TAP AIR PORTUGAL
7.1
Good
1,911 reviews
Check prices

Food

6.2

Entertainment

6.3

Overall

7.1

Boarding

7.0

Crew

7.8

Comfort

7.1

Reviews

1 / 20
2.0
Mediocre

Paul,Jun 2025

MIA - LIS

The flight on 2 June was cancelled and all I heard was to pick up bags and return next day. I did not hear or was sent a text message on hotel accommodation that other passengers received.
TAP AIR PORTUGAL
7.1
Good
1,911 reviews
TAP AIR PORTUGAL
7.1
Good
1,911 reviews
Check prices

Food

6.2

Entertainment

6.3

Overall

7.1

Boarding

7.0

Crew

7.8

Comfort

7.1

Reviews

1 / 20
2.0
Mediocre

Paul,Jun 2025

MIA - LIS

The flight on 2 June was cancelled and all I heard was to pick up bags and return next day. I did not hear or was sent a text message on hotel accommodation that other passengers received.
Iberia
7.0
Good
2,811 reviews
TAP AIR PORTUGAL
7.1
Good
1,911 reviews
Check prices

Food

6.2

Entertainment

6.3

Overall

7.1

Boarding

7.0

Crew

7.8

Comfort

7.1

Reviews

1 / 20
2.0
Mediocre

Paul,Jun 2025

MIA - LIS

The flight on 2 June was cancelled and all I heard was to pick up bags and return next day. I did not hear or was sent a text message on hotel accommodation that other passengers received.
Air Europa
6.9
Okay
540 reviews
TAP AIR PORTUGAL
7.1
Good
1,911 reviews
Check prices

Food

6.2

Entertainment

6.3

Overall

7.1

Boarding

7.0

Crew

7.8

Comfort

7.1

Reviews

1 / 20
2.0
Mediocre

Paul,Jun 2025

MIA - LIS

The flight on 2 June was cancelled and all I heard was to pick up bags and return next day. I did not hear or was sent a text message on hotel accommodation that other passengers received.

Related info for your journey

Find useful and relevant information for your journey from Madrid to Bilbao. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Madrid to Bilbao?

    If you book a flight from Madrid to Bilbao, you will be flying from Barajas to Bilbao. Flights to Bilbao (BIO) from Madrid Barajas (MAD) take 1h 05m for a nonstop flight. There are 40 flights from Barajas to Bilbao per day from 1 airline.

  • How popular is this Madrid to Bilbao flight route?

    This flight path from Madrid Barajas to Bilbao was viewed by 6 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Madrid to Bilbao round-trip?

    Currently priced at £59, Iberia will fly you from Madrid to Bilbao and back. In addition to Iberia, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Air Europa for as low as £61. You may be able to fly from Madrid to Bilbao for 24% less than the average price by searching for these airlines.

  • What are the most reliable airlines from Madrid to Bilbao?

    Consider Cathay Pacific (100%), TAAG (92%) or airBaltic (92%) when booking your flight. These represent the most reliable airlines when flying from Madrid to Bilbao.

  • Can I find deals for flights from Madrid to Bilbao that include hotel bookings?

    Yes. In addition to deals on Madrid to Bilbao flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Madrid to Bilbao?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Madrid to Bilbao.

  • Can I find deals for business class flights from Madrid to Bilbao?

    Yes. Cheapflights offers flight deals from Madrid to Bilbao by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Madrid to Bilbao?

    Currently, January is the cheapest month in which you can book a flight from Madrid to Bilbao (average of £74). Flying from Madrid to Bilbao in August is currently the most expensive (average of £223). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Madrid to Bilbao

See prices for flight routes from nearby airports that may be better suited for you.
Madrid to San Sebastian flights

Top airline flying from Madrid to Bilbao

Discover the top airline that operate flights from Madrid to Bilbao. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 1 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air EuropaCheapest£56Average£83FlexibilityNo cancel feeOn-time83%
Search Air Europa flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Madrid to Bilbao?

When you search for this flight from Madrid to Bilbao, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Madrid to Bilbao?

Cheapflights simply makes it quick and affordable to book flights from Madrid to Bilbao by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Madrid to Bilbao with no change fees?

Need flexible booking options for your flight to Bilbao from Madrid? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Madrid to Bilbao become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Bilbao from Madrid today and book when prices fit your budget.

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