Cheap flights from Cardiff to Bilbao from £230
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/8. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Cardiff to Bilbao
Discover tips and strategies to find the most affordable flight options for your journey from Cardiff (CWL) to Bilbao (BIO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 11 July 2025.
Find 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 11 July 2025.
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 11 July 2025.
Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 11 July 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
Mon 25/8
13:10-10:10
2 stops20h 00m
Bilbao
Mon 1/9
22:25-15:55
2 stops18h 30m
CardiffBilbao
CWL - BIO
CWLBIO
Cardiff Wales
Mon 25/8
17:15-11:15
1 stop17h 00m
Bilbao
Mon 1/9
17:15-09:15
1 stop17h 00m
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.
Cheapflights Insights
Everything you need to know about your flight from Cardiff to Bilbao
What is the cheapest month to book a flight from Cardiff to Bilbao?
Currently, January is the cheapest month in which you can book a flight from Cardiff to Bilbao (average of £74). Flying from Cardiff to Bilbao in August is currently the most expensive (average of £223). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Bilbao
Get insights into the airlines that provide service to Bilbao. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Bilbao. Reviews last updated 11 July 2025.
See what other customers who have flown with KLM from Cardiff to Bilbao have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
Overall
Boarding
Comfort
Entertainment
Crew
Reviews
Anonymous,Jun 2025
AMS - BOS
Food
Overall
Boarding
Comfort
Entertainment
Crew
Reviews
Anonymous,Jun 2025
AMS - BOS
Related info for your journey
Find useful and relevant information for your journey from Cardiff to Bilbao. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Cardiff to Bilbao
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Cardiff to Bilbao
Discover the top airline that operate flights from Cardiff to Bilbao. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 11 July 2025.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Cardiff to Bilbao?
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.
Why should you use Cheapflights to find cheap flight tickets from Cardiff to Bilbao?
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?
Yes! Start tracking prices for Cardiff to Bilbao flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.