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Cheap flights from Cardiff to Bilbao from £225

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 9/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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Find the cheapest flights from Cardiff to Bilbao

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
09:35 - 08:25
CWL
-
BIO
21h 50m
2 stops
Multiple Airlines Logo
17:55 - 09:10
BIO
-
CWL
16h 15m
1 stop
£225Multiple Airlines
Sun, 9 Aug - Sat, 15 Aug
Multiple Airlines Logo
09:35 - 10:30
CWL
-
BIO
23h 55m
1 stop
Multiple Airlines Logo
17:55 - 09:10
BIO
-
CWL
16h 15m
1 stop
£233Multiple Airlines
Sun, 9 Aug - Sat, 15 Aug
Multiple Airlines Logo
14:45 - 08:15
CWL
-
BIO
16h 30m
2 stops
Multiple Airlines Logo
07:45 - 22:20
BIO
-
CWL
15h 35m
2 stops
£248Multiple Airlines
Sun, 9 Aug - Fri, 14 Aug
Multiple Airlines Logo
14:45 - 08:15
CWL
-
BIO
16h 30m
2 stops
Multiple Airlines Logo
16:50 - 08:55
BIO
-
CWL
17h 05m
2 stops
£250Multiple Airlines
Sun, 9 Aug - Sat, 15 Aug
Multiple Airlines Logo
09:35 - 08:25
CWL
-
BIO
21h 50m
2 stops
Multiple Airlines Logo
09:00 - 06:55
BIO
-
CWL
22h 55m
3 stops
£260Multiple Airlines
Sun, 9 Aug - Fri, 14 Aug
Multiple Airlines Logo
14:45 - 08:15
CWL
-
BIO
16h 30m
2 stops
Multiple Airlines Logo
21:05 - 16:45
BIO
-
CWL
44h 40m
3 stops
£301Multiple Airlines
Sun, 9 Aug - Sat, 15 Aug
Multiple Airlines Logo
14:45 - 23:10
CWL
-
BIO
7h 25m
1 stop
Multiple Airlines Logo
14:45 - 22:20
BIO
-
CWL
8h 35m
2 stops
£409Multiple Airlines
Sun, 9 Aug - Fri, 14 Aug
Multiple Airlines Logo
21:45 - 22:35
CWL
-
BIO
23h 50m
3 stops
Multiple Airlines Logo
08:55 - 08:55
BIO
-
CWL
25h 00m
3 stops
£458Multiple Airlines
Sun, 9 Aug - Sat, 15 Aug
KLM Logo
09:50 - 22:45
CWL
-
BIO
11h 55m
1 stop
KLM Logo
12:00 - 09:15
BIO
-
CWL
22h 15m
1 stop
£695KLM
Sun, 9 Aug - Fri, 14 Aug

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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 24 June 2026.
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

Cheapest return flight

CardiffBilbao

CWL - BIO

CWLBIO

Cardiff Wales

Sun 9/8

09:35-08:25

2 stops21h 50m

Bilbao

Sat 15/8

17:55-09:10

1 stop16h 15m

£225

CardiffBilbao

CWL - BIO

CWLBIO

Cardiff Wales

Sun 9/8

09:35-10:30

1 stop23h 55m

Bilbao

Sat 15/8

17:55-09:10

1 stop16h 15m

£233

CardiffBilbao

CWL - BIO

CWLBIO

Cardiff Wales

Sun 9/8

14:45-08:15

2 stops16h 30m

Bilbao

Fri 14/8

07:45-22:20

2 stops15h 35m

£248

CardiffBilbao

CWL - BIO

CWLBIO

Cardiff Wales

Sun 9/8

14:45-08:15

2 stops16h 30m

Bilbao

Sat 15/8

16:50-08:55

2 stops17h 05m

£250

CardiffBilbao

CWL - BIO

CWLBIO

Cardiff Wales

Sun 9/8

09:35-08:25

2 stops21h 50m

Bilbao

Fri 14/8

09:00-06:55

3 stops22h 55m

£260

CardiffBilbao

CWL - BIO

CWLBIO

Cardiff Wales

Sun 9/8

14:45-08:15

2 stops16h 30m

Bilbao

Sat 15/8

21:05-16:45

3 stops44h 40m

£301
Fastest return journey

CardiffBilbao

CWL - BIO

CWLBIO

Cardiff Wales

Sun 9/8

14:45-23:10

1 stop7h 25m

Bilbao

Fri 14/8

14:45-22:20

2 stops8h 35m

£409

CardiffBilbao

CWL - BIO

CWLBIO

Cardiff Wales

Sun 9/8

21:45-22:35

3 stops23h 50m

Bilbao

Sat 15/8

08:55-08:55

3 stops25h 00m

£458

CardiffBilbao

CWL - BIO

CWLBIO

Cardiff Wales

Sun 9/8

09:50-22:45

1 stop11h 55m

Bilbao

Fri 14/8

12:00-09:15

1 stop22h 15m

£695

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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

Fastest flight time

21h 50m

Direct flights

None
The fastest flight from Cardiff to Bilbao takes 21h 50m
There are no direct flights from Cardiff to Bilbao. There are no popular flight routes from Cardiff to Bilbao.
Search flight deals

Frequently asked questions about flying from Cardiff to Bilbao

  • How far is Cardiff Wales to Bilbao by plane?

    A flight from Cardiff Wales to Bilbao will travel around 567.6 mi. 21h 50m 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 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.

Frequently asked questions about flying from Cardiff to Bilbao

  • How do I get Price Alerts for flights from Cardiff to Bilbao?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Cardiff from Bilbao. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Cardiff to Bilbao with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Travelling to a place near Bilbao?

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