In terms of precipitation, rainfall in Bilbao ranges from 62.0 - 141.0 inches per month. November is typically the wettest month, when rainfall can reach 141.0 mm. July is typically the driest time to visit Bilbao when rainfall is around 62.0 mm.

If weather is an important factor for your trip to Bilbao, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 20.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).

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

When flying from Cardiff to Bilbao, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

£100+ Cheap Flights from Cardiff to Bilbao

Cheap flight deals from Cardiff to Bilbao

Enter your travel dates to find the best prices.

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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 30 October 2026.

Thu 10/1217:30 -

1 stop15h 40m

Thu 17/1221:20 -

2 stops19h 20m

Deal found 26/10£100

Mon 14/1208:35 -

2 stops24h 15m

Mon 21/1222:55 -

1 stop12h 15m

Deal found 30/10£142

Sat 28/1108:15 -

2 stops23h 05m

Sat 5/1217:40 -

2 stops16h 00m

Deal found 29/10£182

Sat 28/1110:20 -

1 stop5h 10m

Sat 5/1217:20 -

1 stop17h 30m

Deal found 29/10£236

Mon 14/1210:20 -

1 stop5h 10m

Mon 21/1211:55 -

1 stop22h 50m

Deal found 30/10£244

Find flight deals from Cardiff to Bilbao

Round-trip from	£100

10/12-17/12
3 total stops
35h 00m total
Cardiff to Bilbao

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Fly from

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Route

Depart

Return

Price

Cheapest return flight

CardiffBilbao

CWL Cardiff Wales - BIO Bilbao

CWLBIO

Cardiff Wales

Thu 10/12

13:25-08:20

2 stops17h 55m

Bilbao

Thu 17/12

21:20-15:40

2 stops19h 20m

£117

CardiffBilbao

CWL Cardiff Wales - BIO Bilbao

CWLBIO

Cardiff Wales

Mon 14/12

08:35-09:50

2 stops24h 15m

Bilbao

Mon 21/12

22:55-10:10

1 stop12h 15m

£142

CardiffBilbao

CWL Cardiff Wales - BIO Bilbao

CWLBIO

Cardiff Wales

Sat 28/11

08:15-08:20

2 stops23h 05m

Bilbao

Sat 5/12

17:40-08:40

2 stops16h 00m

£182

Fastest return journey

CardiffBilbao

CWL Cardiff Wales - BIO Bilbao

CWLBIO

Cardiff Wales

Sat 28/11

10:20-16:30

1 stop5h 10m

Bilbao

Sat 5/12

17:20-09:50

1 stop17h 30m

£236

CardiffBilbao

CWL Cardiff Wales - BIO Bilbao

CWLBIO

Cardiff Wales

Mon 14/12

10:20-16:30

1 stop5h 10m

Bilbao

Mon 21/12

11:55-09:45

1 stop22h 50m

£244

CardiffBilbao

CWL Cardiff Wales - BIO Bilbao

CWLBIO

Cardiff Wales

Fri 13/11

17:30-11:20

1 stop16h 50m

Bilbao

Tue 17/11

17:20-09:50

1 stop17h 30m

£263

CardiffBilbao

CWL Cardiff Wales - BIO Bilbao

CWLBIO

Cardiff Wales

Fri 13/11

10:45-18:35

1 stop30h 50m

Bilbao

Tue 17/11

18:15-13:00

2 stops43h 45m

£285

Flights are sorted by cheapest return flights first.

Deals found on 26/10

Sorted by cheapest first

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.

CWL-BIO

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

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.

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

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Complete your trip

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Flights by cabin class

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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.

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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?

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Cheap flights from Cardiff to Bilbao from £100

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Cardiff to Bilbao

Cheapest flights from Cardiff to BilbaoExplore 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 30 October 2026.

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 30 October 2026.

Best flights from Cardiff to BilbaoDiscover carefully curated flight deals from Cardiff to Bilbao that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Discover carefully curated flight deals from Cardiff to Bilbao that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Last-minute flights from Cardiff to BilbaoDiscover last-minute flight deals from Cardiff to Bilbao. Data last updated 30 October 2026 and is based on user searches.

Discover last-minute flight deals from Cardiff to Bilbao. Data last updated 30 October 2026 and is based on user searches.

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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.

Related info for your journey

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

How can I find direct flights from Cardiff to Bilbao?

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

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 Cardiff to Bilbao

See prices for flight routes from nearby airports that may be better suited for you.

Other flights to Bilbao

Explore flights to Bilbao departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 30 October 2026.

Complete your trip

Complete your trip to Bilbao by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Basque Country

Book a non-stop flight to one of these other cities located in Basque Country.

Search flights from Cardiff to Bilbao by cabin class

Find flights from Cardiff to Bilbao, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Cardiff and Bilbao flights

Browse other Cardiff and Bilbao flight options. Last updated on 30 October 2026.

Other flights from Cardiff

Browse through other flights departing from Cardiff. Flights are based on user searches made on Cheapflights and were last updated on 30 October 2026.

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Check out other popular destinations found by fellow travellers in 2026

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

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

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

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

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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 30 October 2026.

Best flights from Cardiff to Bilbao
Discover carefully curated flight deals from Cardiff to Bilbao that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Last-minute flights from Cardiff to Bilbao
Discover last-minute flight deals from Cardiff to Bilbao. Data last updated 30 October 2026 and is based on user searches.