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.

£112+ Cheap Flights from Cardiff to Bilbao

Cheap flight deals from Cardiff to Bilbao

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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 20 August 2026.

Tue 8/921:45 -

1 stop10h 55m

Tue 15/912:00 -

2 stops11h 50m

Deal found 17/8£112

Fri 9/1007:45 -

2 stops12h 15m

Wed 14/1019:15 -

1 stop14h 20m

Deal found 20/8£142

Sun 6/921:45 -

2 stops22h 15m

Thu 10/906:45 -

1 stop10h 45m

Deal found 19/8£156

Find flight deals from Cardiff to Bilbao

Round-trip from	£112

8/9-15/9
3 total stops
22h 45m total
Cardiff to Bilbao

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CardiffBilbao

CWL Cardiff Wales - BIO Bilbao

CWLBIO

Cardiff Wales

Tue 8/9

21:45-09:40

1 stop10h 55m

Bilbao

Tue 15/9

12:00-22:50

2 stops11h 50m

£112

CardiffBilbao

CWL Cardiff Wales - BIO Bilbao

CWLBIO

Cardiff Wales

Fri 9/10

07:45-21:00

2 stops12h 15m

Bilbao

Wed 14/10

19:15-08:35

1 stop14h 20m

£142

CardiffBilbao

CWL Cardiff Wales - BIO Bilbao

CWLBIO

Cardiff Wales

Sun 6/9

21:45-21:00

2 stops22h 15m

Bilbao

Thu 10/9

06:45-16:30

1 stop10h 45m

£156

Flights are sorted by cheapest return flights first.

Deals found on 17/8

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

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

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Cheap flights from Cardiff to Bilbao from £112

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/9. 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 20 August 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 20 August 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 20 August 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 20 August 2026.

Last-minute flights from Cardiff to BilbaoDiscover last-minute flight deals from Cardiff to Bilbao. Data last updated 20 August 2026 and is based on user searches.

Discover last-minute flight deals from Cardiff to Bilbao. Data last updated 20 August 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 20 August 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

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Cardiff and Bilbao flights

Browse other Cardiff and Bilbao flight options. Last updated on 20 August 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?

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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 20 August 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 20 August 2026.

Last-minute flights from Cardiff to Bilbao
Discover last-minute flight deals from Cardiff to Bilbao. Data last updated 20 August 2026 and is based on user searches.