$344 Cheap Flights from Porto (OPO) to Castellon de la Plana (CDT)

View $344 flight on Sat, Nov 29, 2025Opens in a new window

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

Cheap Flights from Porto to Castellon de la Plana (OPO-CDT)

Prices were available within the past 7 days and start at $344 for one-way flights and $1,639 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Fri, Oct 3 - Sun, Dec 7
OPO
Porto
CDT
Castelló de la Plana
$1,639 Roundtrip, found 1 day ago
$1,639
Roundtrip
found 1 day ago
Select British Airways flight, departing Fri, Oct 3 from Porto to Castelló de la Plana, returning Sun, Dec 7, priced at $1,639 found 1 day ago

Frequently asked questions

How much does a flight from Dr. Francisco de Sa Carneiro Airport (OPO) to Castellón Costa Azahar Airport (CDT) cost?
Lock in a cheap one-way flight from $344 or cheap return flight from $1,639 from Dr. Francisco de Sa Carneiro Airport (OPO) to Castellón Costa Azahar Airport (CDT) 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 Dr. Francisco de Sa Carneiro Airport (OPO) to Castellón Costa Azahar Airport (CDT)?
October is the cheapest month to fly from OPO to CDT. Traveling outside of peak seasons is often the key to finding a great deal.
What is the cheapest airline that flies from Dr. Francisco de Sa Carneiro Airport (OPO) to Castellón Costa Azahar Airport (CDT)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll fly you from OPO to CDT. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Dr. Francisco de Sa Carneiro Airport (OPO) to Castellón Costa Azahar Airport (CDT)?
You'll have to book a flight with a layover if you're traveling from Dr. Francisco de Sa Carneiro Airport (OPO) to Castellón Costa Azahar Airport (CDT). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from OPO to CDT?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Dr. Francisco de Sa Carneiro Airport (OPO) to Castellón Costa Azahar Airport (CDT)?
Opt for a flight from Dr. Francisco de Sa Carneiro Airport (OPO) to Castellón Costa Azahar Airport (CDT) that takes off 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.
What airports do you fly into for Castelló de la Plana from Dr. Francisco de Sa Carneiro Airport (OPO)?
Valencia Airport (VLC) is the only airport in Castelló de la Plana with direct flights from Dr. Francisco de Sa Carneiro Airport (OPO). Consider the available options and find cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Dr. Francisco de Sa Carneiro Airport (OPO) to Castellón Costa Azahar Airport (CDT) last-minute?
Waiting until right before your break to book a ticket from OPO to CDT generally means paying more. Although you may find some last-minute deals, they aren't always guaranteed. Allow some flexibility in your schedule to maximize your chances of snagging a bargain.
Is it cheaper to book an OPO to CDT flight and hotel package?
Securing an OPO to CDT flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Pick from our impressive range of accommodations and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Dr. Francisco de Sa Carneiro Airport (OPO) to Castellón Costa Azahar Airport (CDT)?
If you booked your OPO to CDT flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Travel information

Origin airport
Dr. Francisco de Sa Carneiro
Destination airport
Castellón Costa Azahar
Roundtrip price
$1,638
Distance
462 mi

Book with confidence

Book with confidence

Porto to Castellon de la Plana Flights

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

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 Porto to Castellon de la Plana are during the month of October. You can find some of the cheapest flights from Porto to Castellon de la Plana with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Porto to Castellon de la Plana: 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 Porto to Castellon de la Plana

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 Porto to Castellon de la Plana in 2025. You can also book with separate airlines for your outbound and return journeys, from $344 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 Porto to Castellon de la Plana 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 Porto to Castellon de la Plana 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.

 

Porto to Castellon de la Plana Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.