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Cheap flights from Cardiff to Bilbao from £142

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Cardiff to Bilbao departing on 10/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Cardiff to Bilbao (CWL-BIO)

Cheap return flights

Logo
12:25 - 08:15CWL-BIO
18h 50m2 stops
Logo
10:25 - 20:30BIO-CWL
11h 05m1 stop
£142
Find Deal
Fri, 10 Oct - Fri, 17 Oct
Logo
12:25 - 08:15CWL-BIO
18h 50m2 stops
Logo
07:40 - 07:30BIO-CWL
24h 50m2 stops
£166
Find Deal
Fri, 10 Oct - Fri, 17 Oct
Logo
20:55 - 19:10CWL-BIO
21h 15m1 stop
Logo
18:10 - 07:30BIO-CWL
14h 20m1 stop
£174
Find Deal
Fri, 10 Oct - Fri, 17 Oct
Logo
20:55 - 14:15CWL-BIO
16h 20m1 stop
Logo
10:55 - 21:20BIO-CWL
11h 25m2 stops
£201
Find Deal
Fri, 24 Oct - Tue, 28 Oct
Logo
20:55 - 19:20CWL-BIO
21h 25m2 stops
Logo
10:55 - 21:20BIO-CWL
11h 25m2 stops
£206
Find Deal
Fri, 24 Oct - Tue, 28 Oct
Logo
20:55 - 14:15CWL-BIO
16h 20m1 stop
Logo
11:30 - 16:05BIO-CWL
5h 35m1 stop
£206
Find Deal
Fri, 24 Oct - Tue, 28 Oct
Logo
20:55 - 19:20CWL-BIO
21h 25m3 stops
Logo
10:55 - 21:20BIO-CWL
11h 25m2 stops
£235
Find Deal
Fri, 24 Oct - Tue, 28 Oct
Logo
20:55 - 19:20CWL-BIO
21h 25m3 stops
Logo
19:45 - 15:30BIO-CWL
20h 45m3 stops
£283
Find Deal
Fri, 24 Oct - Tue, 28 Oct
Logo
20:55 - 14:30CWL-BIO
16h 35m2 stops
Logo
06:45 - 20:30BIO-CWL
14h 45m3 stops
£285
Find Deal
Fri, 10 Oct - Fri, 17 Oct

momondo 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, momondo users made 279,928 searches. Data last updated 27 August 2025.
Use the filters below to find and compare flights from Cardiff to Bilbao that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CardiffBilbao

CWL - BIO

CWLBIO

Cardiff Wales

Fri 10/10

12:25-08:15

2 stops18h 50m

Bilbao

Fri 17/10

10:25-20:30

1 stop11h 05m

£142

CardiffBilbao

CWL - BIO

CWLBIO

Cardiff Wales

Fri 10/10

12:25-08:15

2 stops18h 50m

Bilbao

Fri 17/10

07:40-07:30

2 stops24h 50m

£166

CardiffBilbao

CWL - BIO

CWLBIO

Cardiff Wales

Fri 10/10

20:55-19:10

1 stop21h 15m

Bilbao

Fri 17/10

18:10-07:30

1 stop14h 20m

£174

CardiffBilbao

CWL - BIO

CWLBIO

Cardiff Wales

Fri 24/10

20:55-14:15

1 stop16h 20m

Bilbao

Tue 28/10

10:55-21:20

2 stops11h 25m

£201

CardiffBilbao

CWL - BIO

CWLBIO

Cardiff Wales

Fri 24/10

20:55-19:20

2 stops21h 25m

Bilbao

Tue 28/10

10:55-21:20

2 stops11h 25m

£206

CardiffBilbao

CWL - BIO

CWLBIO

Cardiff Wales

Fri 24/10

20:55-14:15

1 stop16h 20m

Bilbao

Tue 28/10

11:30-16:05

1 stop5h 35m

£206

CardiffBilbao

CWL - BIO

CWLBIO

Cardiff Wales

Fri 24/10

20:55-19:20

3 stops21h 25m

Bilbao

Tue 28/10

10:55-21:20

2 stops11h 25m

£235

CardiffBilbao

CWL - BIO

CWLBIO

Cardiff Wales

Fri 24/10

20:55-19:20

3 stops21h 25m

Bilbao

Tue 28/10

19:45-15:30

3 stops20h 45m

£283

CardiffBilbao

CWL - BIO

CWLBIO

Cardiff Wales

Fri 10/10

20:55-14:30

2 stops16h 35m

Bilbao

Fri 17/10

06:45-20:30

3 stops14h 45m

£285

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Bilbao from

How to get the cheapest flight ticket from Cardiff to Bilbao

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest time of day to depart on your flight to Bilbao?

In the morning is the cheapest time of day to fly from Cardiff to Bilbao when you can find flight prices for as low as £216. Flying to Bilbao in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £318 on average. Flights to Bilbao from Cardiff in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

Can stopping save me money on Cardiff to Bilbao flights?

You could potentially save up to 3% on your flight if you consider stops on a Cardiff to Bilbao flight.

When to book flights from Cardiff to Bilbao

Are you open to changing your travel dates? Check out the ideal times to fly from Cardiff to Bilbao according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Cardiff to Bilbao (CWL to BIO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cardiff to Bilbao

Direct flights

None
There are no direct flights from Cardiff to Bilbao. There are no popular flight routes from Cardiff to Bilbao.
Search flight deals

  • How far is Cardiff Wales to Bilbao by plane?

    A flight from Cardiff Wales to Bilbao will travel around 567.6 mi. 16h 20m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Cardiff Wales Airport to Bilbao Airport?

    Prices for flights from Cardiff Wales Airport to Bilbao Airport were last updated today.

  • How many operators does momondo search for flights from Cardiff Wales Airport to Bilbao Airport?

  • How old do you have to be to fly from Cardiff Wales Airport to Bilbao Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Cardiff Wales Airport to Bilbao Airport.

  • What documentation or ID do you need to fly to Bilbao Airport?

    The required travel and health documents for your Bilbao Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bilbao Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Cardiff to Bilbao?

Best airlines flying from Cardiff to Bilbao

Compare and see reviews for airlines that fly from Cardiff to Bilbao with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom £196Free CancellationRating
7.8
1,384 reviews
Search KLM flights

Travelling to a place near Bilbao?

Book flights to Bilbao if you plan to visit one of these locations
Getxo
Lekeitio
Laredo

Why use momondo?

Why should I use momondo to find a flight deal from Cardiff to Bilbao?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Cardiff to Bilbao . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Cardiff to Bilbao with flexible booking policies on momondo?

All flight searches from Cardiff to Bilbao on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Cardiff to Bilbao?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Cardiff to Bilbao.

I’m not ready to book a flight from Cardiff to Bilbao right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Cardiff to Bilbao flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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