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Cheap Flights from Cardiff (CWL) to Bilbao (BIO)

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Compare Cardiff to Bilbao flight deals

Find the cheapest month or even day of the year to fly to Bilbao

Book the best Bilbao fare with no extra fees

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Flight deals from Cardiff to Bilbao

Looking for a cheap last-minute deal or the best return flight from Cardiff to Bilbao? Find the lowest prices on one-way and return tickets right here.
Bilbao.£112 per passenger.Departing Tue, 30 Sep, returning Thu, 9 Oct.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Cardiff on Tue, 30 Sep, arriving in Bilbao.Inbound indirect flight with Vueling Airlines, departs from Bilbao on Thu, 9 Oct, arriving in Cardiff.Price includes taxes and charges.From £112, select.
Tue, 30 SepCWL - BIO with Vueling Airlines
1 stop
Thu, 9 OctBIO - CWL with Vueling Airlines
1 stop
from £112
Bilbao.£127 per passenger.Departing Mon, 22 Sep, returning Wed, 24 Sep.Return flight with Ryanair and Vueling Airlines.Outbound indirect flight with Ryanair, departs from Cardiff on Mon, 22 Sep, arriving in Bilbao.Inbound indirect flight with Vueling Airlines, departs from Bilbao on Wed, 24 Sep, arriving in Cardiff.Price includes taxes and charges.From £127, select.
Mon, 22 SepCWL - BIO with Ryanair
1 stop
Wed, 24 SepBIO - CWL with Vueling Airlines
1 stop
from £127
Bilbao.£135 per passenger.Departing Tue, 1 Jul, returning Thu, 3 Jul.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Cardiff on Tue, 1 Jul, arriving in Bilbao.Inbound indirect flight with Vueling Airlines, departs from Bilbao on Thu, 3 Jul, arriving in Cardiff.Price includes taxes and charges.From £135, select.
Tue, 1 JulCWL - BIO with Vueling Airlines
1 stop
Thu, 3 JulBIO - CWL with Vueling Airlines
1 stop
from £135
Bilbao.£173 per passenger.Departing Wed, 27 Aug, returning Sat, 30 Aug.Return flight with Vueling Airlines and Aer Lingus.Outbound indirect flight with Vueling Airlines, departs from Cardiff on Wed, 27 Aug, arriving in Bilbao.Inbound indirect flight with Aer Lingus, departs from Bilbao on Sat, 30 Aug, arriving in Cardiff.Price includes taxes and charges.From £173, select.
Wed, 27 AugCWL - BIO with Vueling Airlines
1 stop
Sat, 30 AugBIO - CWL with Aer Lingus
1 stop
from £173
Bilbao.£175 per passenger.Departing Tue, 24 Jun, returning Thu, 26 Jun.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Cardiff on Tue, 24 Jun, arriving in Bilbao.Inbound indirect flight with Vueling Airlines, departs from Bilbao on Thu, 26 Jun, arriving in Cardiff.Price includes taxes and charges.From £175, select.
Tue, 24 JunCWL - BIO with Vueling Airlines
1 stop
Thu, 26 JunBIO - CWL with Vueling Airlines
1 stop
from £175
Bilbao.£180 per passenger.Departing Fri, 17 Oct, returning Sun, 19 Oct.Return flight with Ryanair and Air Europa.Outbound indirect flight with Ryanair, departs from Cardiff on Fri, 17 Oct, arriving in Bilbao.Inbound indirect flight with Air Europa, departs from Bilbao on Sun, 19 Oct, arriving in Cardiff.Price includes taxes and charges.From £180, select.
Fri, 17 OctCWL - BIO with Ryanair
1 stop
Sun, 19 OctBIO - CWL with Air Europa
1 stop
from £180
Bilbao.£187 per passenger.Departing Wed, 30 Jul, returning Wed, 6 Aug.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Cardiff on Wed, 30 Jul, arriving in Bilbao.Inbound indirect flight with Vueling Airlines, departs from Bilbao on Wed, 6 Aug, arriving in Cardiff.Price includes taxes and charges.From £187, select.
Wed, 30 JulCWL - BIO with Vueling Airlines
1 stop
Wed, 6 AugBIO - CWL with Vueling Airlines
1 stop
from £187
Bilbao.£216 per passenger.Departing Fri, 29 May, returning Sun, 31 May.Return flight with Air France.Outbound indirect flight with Air France, departs from Cardiff on Fri, 29 May, arriving in Bilbao.Inbound indirect flight with Air France, departs from Bilbao on Sun, 31 May, arriving in Cardiff.Price includes taxes and charges.From £216, select.
Fri, 29 MayCWL - BIO with Air France
1 stop
Sun, 31 MayBIO - CWL with Air France
1 stop
from £216
How did we find these deals? The deals you see here are the lowest prices for flight tickets from Cardiff to Bilbao found in the last 4 days, and are subject to change and availability.

The cheapest month to fly from Cardiff Airport to Bilbao Airport

We’re always keeping an eye on fares, to help you find the lowest one in seconds. Check out the Cardiff Airport to Bilbao Airport flight prices forecast over the next 12 months.
Jun
from £175
Jul
from £135
Aug
from £173
Sep
from £127
Oct
from £180
Nov
Find prices
Dec
Find prices
Jan
Find prices
Feb
Find prices
Mar
Find prices
Apr
Find prices
May
from £216
Cheapest month:September
Most expensive month:May

Cardiff to Bilbao: Alternative routes

Compare routes from Cardiff to Bilbao below. You may find an airport to fly into that's cheaper, faster, or easier than Bilbao.

Cardiff to Bilbao: Flight information

The things to know before you go.
Cheapest flight found£112
Cheapest month to flySeptember

Finding cheap flights from Cardiff to Bilbao: Frequently asked questions

The best price we found for a return flight from Cardiff to Bilbao is £112. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Cardiff to Bilbao. But we found flights with one or more stops from £112.
As of June 2025, there are no flights flying from Cardiff to Bilbao.
The cheapest month to fly from Cardiff to Bilbao is usually June 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Cardiff Airport to Bilbao Airport on Tuesday, 30 September 2025.
No airlines currently offer direct flights between Cardiff Airport and Bilbao Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Bilbao but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Bilbao is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Vueling Airlines offers the cheapest flight tickets to Bilbao.

Flying from Cardiff Airport (CWL) to Bilbao Airport (BIO): what you need to know

  • Bilbao's timezone is UTC+1, which makes Bilbao one hour ahead of Cardiff.

  • Get to the airport on time so you don't miss your CWL to BIO flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to prevent a last-minute sprint to your gate.

  • Travelling during a peak time like June? Major public holidays and other high seasons can mean longer lines and delays at check-in and security. Be extra cautious and get there up to four hours ahead of an international flight and two hours before a domestic departure.

  • Think about adding a stopover when booking your ticket from Cardiff Airport to Bilbao Airport. Simply uncheck 'Direct flights only' to break up your trip, or perhaps see a new city along the way. Here's where you can stop between CWL and BIO:

    • Amsterdam Airport Schiphol

    • Dublin Airport

    • Malaga Airport

How to find the cheapest flights from Cardiff Airport (CWL) to Bilbao Airport (BIO)

  • Right now, £38 is the lowest price we've found for a one-way Cardiff Airport to Bilbao Airport flight. The best price for a return ticket is £112. Keep in mind that fares may change due to demand when booking.

  • It's usually best to book as early as possible if you want to get cheap tickets from CWL to BIO. That's because flight prices are based on demand, which tends to increase closer to departure.

  • Getting cheap flights from Cardiff Airport to Bilbao Airport is easy if you can be flexible with your dates. Use the 'Whole month' tool to see the lowest prices across every month and bag a great deal.

  • You don't need to check every day to find out if fares have dropped when you set up a Price Alert. We'll send you an update as soon as the price changes on cheap flights from CWL to BIO.

  • Select your ideal departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from Cardiff Airport to Bilbao Airport.

Handy information about Cardiff Airport (CWL)

  • Of all flights leaving Cardiff Airport, 66.16% land on schedule at their destination.

  • Cardiff Airport is around 17 miles from central Cardiff. If you're driving, ride-sharing or catching a cab from the centre, it'll take you 30 minutes or so to arrive, depending on the traffic.

  • Planning to catch public transport? Expect a trip time of around 1 hour 5 minutes.

  • Looking for a handy hotel near CWL? If you're catching an early flight from Cardiff Airport to Bilbao Airport, these stays will have you sleeping moments from your check-in counter:

    • Celtic International Hotel Cardiff Airport

    • The Mount Rooms

    • Barry Island

Arriving at Bilbao Airport (BIO)

  • If you have a late Cardiff Airport to Bilbao Airport flight, few things beat the convenience of staying near the terminal. Collect your bags from the carousel and then be showered and resting not long after at one of these options near BIO:

    • LATROUPE La Granja

    • Hotel Ilunion Bilbao

    • Moon Hostel Bio

  • Begin your adventure by picking up a Bilbao Airport rental car. Grab your wheels from Record Go, Click and Rent or Goldcar and explore beyond Bilbao's main sights.

  • Lock in the lowest price by booking your vehicle from Bilbao Airport about four weeks in advance of your trip.

Getting from Bilbao Airport (BIO) to central Bilbao

  • Bilbao Airport to the centre of Bilbao has a drive time of about 10 minutes. It's approximately 4 miles away.

  • Travelling to the centre by public transport will take you roughly 30 minutes.

When to fly to Bilbao Airport (BIO)

  • The quietest month for a flight from Cardiff Airport to Bilbao Airport is January, while July is the busiest. Choose the ideal time to visit Bilbao based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • Lock in your flight from Cardiff Airport to Bilbao Airport for August if you want to explore Bilbao during its warmest month. You can expect temperatures of between 16ºC (61ºF) and 25ºC (77ºF).

  • January has average temperatures of between 5ºC (41ºF) and 13ºC (55ºF). Look for cheap tickets from CWL to BIO sometime around then if you like travelling in cooler conditions.

Explore more of Spain

  • You've seen Bilbao, now it's time to explore other parts of Spain. Travel around 150 miles south-east to Zaragoza to check off its leading sights. From Puente de Piedra to Museo Pablo Gargallo and El Tubo, there's plenty to keep you busy.

  • Around 210 miles south-west of Bilbao, Salamanca is another favourite stop in Spain. Experience this destination's highlights firsthand at Plaza Mayor, S.O.U. Servicio de Orientación al Universitario. Universidad de Salamanca and Pontifical University of Salamanca.

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Plan the rest of your trip from Cardiff to Bilbao

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Prices shown on this page are estimated lowest prices only. Found in the last 45 days.

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