What is the cheapest airline that flies from Cardiff Wales to Bilbao?

Air France is the most popular carrier operating from Cardiff Wales to Bilbao

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?

As of October 2025, there is 1 operator available to choose from 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.

£95 Cheap Flights from Cardiff to Bilbao in 2025/26

1 adult

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Find the cheapest flights from Cardiff to Bilbao

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

22:25 - 22:20CWL-BIO

22h 55m2 stops

07:15 - 15:40BIO-CWL

9h 25m1 stop

£152Multiple Airlines

Find Deal

ven., 28 nov. - ven., 5 déc.

16:05 - 22:05CWL-BIO

29h 00m3 stops

07:15 - 15:40BIO-CWL

9h 25m1 stop

£175Multiple Airlines

Find Deal

ven., 28 nov. - ven., 5 déc.

16:05 - 10:25CWL-BIO

17h 20m1 stop

07:15 - 15:40BIO-CWL

9h 25m1 stop

£194Multiple Airlines

Find Deal

ven., 28 nov. - ven., 5 déc.

22:25 - 08:35CWL-BIO

33h 10m3 stops

12:45 - 16:30BIO-CWL

28h 45m2 stops

£209Multiple Airlines

Find Deal

ven., 28 nov. - ven., 5 déc.

17:25 - 11:20CWL-BIO

16h 55m1 stop

17:20 - 08:15BIO-CWL

15h 55m1 stop

£367KLM

Find Deal

mar., 24 mars - sam., 28 mars

17:25 - 11:20CWL-BIO

16h 55m1 stop

17:20 - 08:15BIO-CWL

15h 55m1 stop

£386KLM

Find Deal

mar., 24 mars - sam., 28 mars

10:20 - 22:25CWL-BIO

11h 05m2 stops

18:05 - 15:45BIO-CWL

22h 40m2 stops

£411Air France

Find Deal

mar., 24 mars - sam., 28 mars

10:20 - 11:20CWL-BIO

24h 00m1 stop

16:50 - 08:15BIO-CWL

40h 25m2 stops

£418KLM

Find Deal

mar., 24 mars - sam., 28 mars

17:25 - 11:20CWL-BIO

16h 55m1 stop

08:30 - 08:15BIO-CWL

24h 45m2 stops

£433KLM

Find Deal

mar., 24 mars - sam., 28 mars

10:20 - 22:25CWL-BIO

11h 05m2 stops

18:05 - 15:45BIO-CWL

22h 40m2 stops

£435Air France

Find Deal

mar., 24 mars - sam., 28 mars

KLM flights from Cardiff to Bilbao

Our best KLM deals on Cardiff to Bilbao flight tickets

KLM

24 Mar

CWL17:25Cardiff Wales

16h 55m

1 stop

BIO11:20Bilbao

28 Mar

BIO17:20Bilbao

15h 55m

1 stop

CWL08:15Cardiff Wales

£367

Find similar

KLM

24 Mar

CWL17:25Cardiff Wales

16h 55m

1 stop

BIO11:20Bilbao

28 Mar

BIO17:20Bilbao

15h 55m

1 stop

CWL08:15Cardiff Wales

£386

Find similar

KLM

24 Mar

CWL10:20Cardiff Wales

24h 00m

1 stop

BIO11:20Bilbao

28 Mar

BIO16:50Bilbao

40h 25m

2 stops

CWL08:15Cardiff Wales

£418

Find similar

Air France flights from Cardiff to Bilbao

Our best Air France deals on Cardiff to Bilbao flight tickets

Air France

24 Mar

CWL10:20Cardiff Wales

11h 05m

2 stops

BIO22:25Bilbao

28 Mar

BIO18:05Bilbao

22h 40m

2 stops

CWL15:45Cardiff Wales

£411

Find similar

Air France

24 Mar

CWL10:20Cardiff Wales

11h 05m

2 stops

BIO22:25Bilbao

28 Mar

BIO18:05Bilbao

22h 40m

2 stops

CWL15:45Cardiff Wales

£435

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CardiffBilbao

CWL - BIO

CWLBIO

Cardiff Wales

ven. 28/11

22:25-22:20

2 stops22h 55m

Bilbao

ven. 5/12

07:15-15:40

1 stop9h 25m

£152

CardiffBilbao

CWL - BIO

CWLBIO

Cardiff Wales

ven. 28/11

16:05-22:05

3 stops29h 00m

Bilbao

ven. 5/12

07:15-15:40

1 stop9h 25m

£175

CardiffBilbao

CWL - BIO

CWLBIO

Cardiff Wales

ven. 28/11

16:05-10:25

1 stop17h 20m

Bilbao

ven. 5/12

07:15-15:40

1 stop9h 25m

£194

CardiffBilbao

CWL - BIO

CWLBIO

Cardiff Wales

ven. 28/11

22:25-08:35

3 stops33h 10m

Bilbao

ven. 5/12

12:45-16:30

2 stops28h 45m

£209

CardiffBilbao

CWL - BIO

CWLBIO

Cardiff Wales

mar. 24/3

17:25-11:20

1 stop16h 55m

Bilbao

sam. 28/3

17:20-08:15

1 stop15h 55m

£367

CardiffBilbao

CWL - BIO

CWLBIO

Cardiff Wales

mar. 24/3

17:25-11:20

1 stop16h 55m

Bilbao

sam. 28/3

17:20-08:15

1 stop15h 55m

£386

CardiffBilbao

CWL - BIO

CWLBIO

Cardiff Wales

mar. 24/3

10:20-22:25

2 stops11h 05m

Bilbao

sam. 28/3

18:05-15:45

2 stops22h 40m

£411

CardiffBilbao

CWL - BIO

CWLBIO

Cardiff Wales

mar. 24/3

10:20-11:20

1 stop24h 00m

Bilbao

sam. 28/3

16:50-08:15

2 stops40h 25m

£418

CardiffBilbao

CWL - BIO

CWLBIO

Cardiff Wales

mar. 24/3

17:25-11:20

1 stop16h 55m

Bilbao

sam. 28/3

08:30-08:15

2 stops24h 45m

£433

CardiffBilbao

CWL - BIO

CWLBIO

Cardiff Wales

mar. 24/3

10:20-22:25

2 stops11h 05m

Bilbao

sam. 28/3

18:05-15:45

2 stops22h 40m

£435

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 resultsSorted by cheapest first

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

Prices

Airlines

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 £217. 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 £320 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. 11h 05m 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?
As of October 2025, there is 1 operator available to choose from 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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Cardiff to Bilbao is KLM (100% of total bookings).

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
KLM	PriceFrom £197	Free Cancellation	Rating 7.7 1,402 reviews		Search KLM flights

Getxo

Laredo

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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.

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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.