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Cheap flights from Cardiff to Bilbao from £123

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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — BIO
3 Feb — 10 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cardiff to Bilbao

Enter your travel dates to find the best prices.

Cheapest flights from Cardiff to Bilbao
Explore the most affordable flight options available from Cardiff to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 January 2026.

Mon 16/216:40CWL - BIO
1 stop17h 05mVueling
Mon 23/208:35BIO - CWL
1 stop8h 25mVueling
Deal found 3/1£178
Mon 16/216:40CWL - BIO
1 stop17h 05mMultiple Airlines
Mon 23/209:15BIO - CWL
2 stops7h 45mMultiple Airlines
Deal found 3/1£215

Find flight deals from Cardiff to Bilbao

Discover tips and strategies to find the most affordable flight options for your journey from Cardiff (CWL) 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 4 January 2026.

Round-trip from

£132

One-way from

£123
18/1-22/1
  • 18/1-22/1
  • 3 total stops
  • 46h 00m total
  • Cardiff to Bilbao
Search Deals
5/4
  • 5/4
  • 1 total stop
  • 8h 20m total
  • Cardiff to Bilbao
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Cardiff 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 4 January 2026.
Use the filters below to find and compare flights from Cardiff to Bilbao that are best for you.

Fly from

Cardiff

Fly to

Bilbao

Route

Depart

Return

Price

CardiffBilbao

CWL - BIO

CWLBIO

Cardiff Wales

Mon 16/2

16:40-10:45

1 stop17h 05m

Bilbao

Mon 23/2

08:35-16:00

1 stop8h 25m

£178

CardiffBilbao

CWL - BIO

CWLBIO

Cardiff Wales

Mon 16/2

16:40-10:45

1 stop17h 05m

Bilbao

Mon 23/2

09:15-16:00

2 stops7h 45m

£215

CardiffBilbao

CWL - BIO

CWLBIO

Cardiff Wales

Sun 5/4

09:35-18:55

1 stop8h 20m

£123

Flights are sorted by cheapest return flights first.

Deals found on 4/1

Best time to book a flight from Cardiff to Bilbao

Have a flexible travel schedule? Discover the best time to fly to Bilbao from Cardiff 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.

Related info for your journey

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

  • How long is the flight from Cardiff to Bilbao?

    Airlines like Vueling fly from Cardiff to Bilbao in about 17h 05m. The time it takes to get you to your destination can typically vary by up to . There are 559 mi between Cardiff and Bilbao.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Cardiff 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.

See more FAQs

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Alternative routes for Cardiff to Bilbao

See prices for flight routes from nearby airports that may be better suited for you.
Manchester to Bilbao flights
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Fly with Cheapflights

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

Deals for Cardiff to Bilbao flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Cardiff to Bilbao.

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

Need flexible booking options for your flight to Bilbao from Cardiff? 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 Cardiff to Bilbao become cheaper?

Yes! Start tracking prices for Cardiff to Bilbao flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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