$44 Cheap Flights from Castellon de la Plana (CDT) to Bilbao (BIO)

View $44 flight on Sat, Sep 20, 2025Opens in a new window

Popular airlines from Castellon de la Plana (CDT-Castellón Costa Azahar) to Bilbao Airport (BIO)

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Cheap Flights from Castellon de la Plana to Bilbao (CDT-BIO)

Prices were available within the past 7 days and start at $44 for one-way flights and $109 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Thu, Sep 11 - Sat, Sep 13
CDT
Castelló de la Plana
BIO
Bilbao
$109 Roundtrip, found 5 days ago
$109
Roundtrip
found 5 days ago
Select Iberia flight, departing Thu, Sep 11 from Castelló de la Plana to Bilbao, returning Sat, Sep 13, priced at $109 found 5 days ago
Iberia
Thu, Sep 11 - Sat, Sep 13
CDT
Castelló de la Plana
BIO
Bilbao
$135 Roundtrip, found 5 days ago
$135
Roundtrip
found 5 days ago
Select Iberia flight, departing Thu, Sep 11 from Castelló de la Plana to Bilbao, returning Sat, Sep 13, priced at $135 found 5 days ago
Iberia
Thu, Sep 11 - Sat, Sep 13
CDT
Castelló de la Plana
BIO
Bilbao
$152 Roundtrip, found 5 days ago
$152
Roundtrip
found 5 days ago
Select Iberia flight, departing Thu, Sep 11 from Castelló de la Plana to Bilbao, returning Sat, Sep 13, priced at $152 found 5 days ago
Iberia
Thu, Sep 11 - Sat, Sep 13
CDT
Castelló de la Plana
BIO
Bilbao
$161 Roundtrip, found 5 days ago
$161
Roundtrip
found 5 days ago
Select Iberia flight, departing Thu, Sep 11 from Castelló de la Plana to Bilbao, returning Sat, Sep 13, priced at $161 found 5 days ago
Iberia
Thu, Sep 11 - Sat, Sep 13
CDT
Castelló de la Plana
BIO
Bilbao
$167 Roundtrip, found 5 days ago
$167
Roundtrip
found 5 days ago
Select Iberia flight, departing Thu, Sep 11 from Castelló de la Plana to Bilbao, returning Sat, Sep 13, priced at $167 found 5 days ago
Iberia
Thu, Sep 11 - Sat, Sep 13
CDT
Castelló de la Plana
BIO
Bilbao
$178 Roundtrip, found 5 days ago
$178
Roundtrip
found 5 days ago
Select Iberia flight, departing Thu, Sep 11 from Castelló de la Plana to Bilbao, returning Sat, Sep 13, priced at $178 found 5 days ago
Iberia
Thu, Sep 11 - Sat, Sep 13
CDT
Castelló de la Plana
BIO
Bilbao
$193 Roundtrip, found 5 days ago
$193
Roundtrip
found 5 days ago
Select Iberia flight, departing Thu, Sep 11 from Castelló de la Plana to Bilbao, returning Sat, Sep 13, priced at $193 found 5 days ago
Iberia
Thu, Sep 11 - Sat, Sep 13
CDT
Castelló de la Plana
BIO
Bilbao
$210 Roundtrip, found 5 days ago
$210
Roundtrip
found 5 days ago
Select Iberia flight, departing Thu, Sep 11 from Castelló de la Plana to Bilbao, returning Sat, Sep 13, priced at $210 found 5 days ago
Iberia
Thu, Sep 11 - Sat, Sep 13
CDT
Castelló de la Plana
BIO
Bilbao
$251 Roundtrip, found 5 days ago
$251
Roundtrip
found 5 days ago
Select Iberia flight, departing Thu, Sep 11 from Castelló de la Plana to Bilbao, returning Sat, Sep 13, priced at $251 found 5 days ago
Volotea
Tue, Aug 26 - Tue, Sep 2
CDT
Castelló de la Plana
BIO
Bilbao
$278 Roundtrip, found 6 days ago
$278
Roundtrip
found 6 days ago
Select Volotea flight, departing Tue, Aug 26 from Castelló de la Plana to Bilbao, returning Tue, Sep 2, priced at $278 found 6 days ago
Flights from Castellon de la Plana (CDT) to Bilbao (BIO)
Origin airport
Castellón Costa Azahar
Destination airport
Bilbao
Roundtrip price
$108
Distance
263 mi
Average flight time
1 hour 5 mins

Castellon de la Plana to Bilbao Flights

The cheapest times to fly from Castellon de la Plana to Bilbao

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Castellon de la Plana to Bilbao are during the month of September. You can find some of the cheapest flights from Castellon de la Plana to Bilbao with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Castellon de la Plana to Bilbao

Sunday is one of the best days to book for cheap flights from Castellon de la Plana to Bilbao: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Castellon de la Plana to Bilbao

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Castellon de la Plana to Bilbao in 2025. You can also book with separate airlines for your outbound and return journeys, from $44 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Castellon de la Plana to Bilbao flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Castellon de la Plana to Bilbao airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Castellón Costa Azahar Airport (CDT) to Bilbao Airport (BIO) cost?
Lock in a cheap one-way flight from $44 or cheap return flight from $109 from Castellón Costa Azahar Airport (CDT) to Bilbao Airport (BIO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Castellón Costa Azahar Airport (CDT) to Bilbao Airport (BIO)?
The cheapest month to fly from CDT to BIO is September, when demand is low. Off-peak months are typically when you'll find lower airfares between these airports.
Which airlines fly direct from Castellón Costa Azahar Airport (CDT) to Bilbao Airport (BIO)?
While Castellon de la Plana (CDT-Castellón Costa Azahar) doesn't have any direct flights to Bilbao Airport (BIO), other airports have nonstop options. Jetting off from Valencia Airport (VLC) will get you to Bilbao without any layovers.
What is the cheapest airline that flies from Castellón Costa Azahar Airport (CDT) to Bilbao Airport (BIO)?
To find the cheapest airline that'll fly you from CDT to BIO, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Castellón Costa Azahar Airport (CDT) to Bilbao Airport (BIO)?
You'll have to take a flight with a layover if you're traveling from Castellón Costa Azahar Airport (CDT) to Bilbao Airport (BIO). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from CDT to BIO?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change based on a number of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from CDT to BIO?
Consider booking with Volotea if you'd like to go straight from Castellón Costa Azahar Airport (CDT) to Bilbao Airport (BIO) without any holdups. This airline has the strongest track record for punctuality, with an on-time performance of 82%. Want real-time updates? You can check your flight status using the Expedia App.
What is the best time to fly from Castellón Costa Azahar Airport (CDT) to Bilbao Airport (BIO)?
Choose a flight from Castellón Costa Azahar Airport (CDT) to Bilbao Airport (BIO) that leaves before 3 PM to reduce the likelihood of delays. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Castellón Costa Azahar Airport (CDT) to Bilbao Airport (BIO) last-minute?
Last-minute bookings from CDT to BIO are typically more expensive. To lock in the best rates, start searching for flights well in advance. That being said, if your travel plans are flexible, it's possible to land a cheap ticket right before you leave.
Is it cheaper to book a CDT to BIO flight and hotel package?
You'll typically save money by securing a CDT to BIO flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. After selecting your ideal accommodations and flights, consider adding extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Castellón Costa Azahar Airport (CDT) to Bilbao Airport (BIO)?
Generally, it's possible to reschedule or cancel your CDT to BIO flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.