$763 Cheap Flights from Washington (IAD) to Castellon de la Plana (CDT)

View $763 flight on Tue, Jan 6, 2026Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Castellon de la Plana (CDT-Castellón Costa Azahar)

Cheap Flights from Washington to Castellon de la Plana (IAD-CDT)

Prices were available within the past 7 days and start at $763 for one-way flights and $812 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Sat, Aug 8 - Fri, Aug 14
IAD
Washington
CDT
Castelló de la Plana
$812 Roundtrip, found 5 days ago
$812
Roundtrip
found 5 days ago
Select Iberia flight, departing Sat, Aug 8 from Washington to Castelló de la Plana, returning Fri, Aug 14, priced at $812 found 5 days ago
British Airways
Wed, Nov 5 - Sun, Nov 9
IAD
Washington
CDT
Castelló de la Plana
$821 Roundtrip, found 3 days ago
$821
Roundtrip
found 3 days ago
Select British Airways flight, departing Wed, Nov 5 from Washington to Castelló de la Plana, returning Sun, Nov 9, priced at $821 found 3 days ago
British Airways
Tue, Dec 23 - Tue, Jan 6
IAD
Washington
CDT
Castelló de la Plana
$828 Roundtrip, found 6 days ago
$828
Roundtrip
found 6 days ago
Select British Airways flight, departing Tue, Dec 23 from Washington to Castelló de la Plana, returning Tue, Jan 6, priced at $828 found 6 days ago
Iberia
Sat, Aug 8 - Fri, Aug 14
IAD
Washington
CDT
Castelló de la Plana
$842 Roundtrip, found 5 days ago
$842
Roundtrip
found 5 days ago
Select Iberia flight, departing Sat, Aug 8 from Washington to Castelló de la Plana, returning Fri, Aug 14, priced at $842 found 5 days ago
British Airways
Tue, Dec 23 - Tue, Jan 6
IAD
Washington
CDT
Castelló de la Plana
$851 Roundtrip, found 6 days ago
$851
Roundtrip
found 6 days ago
Select British Airways flight, departing Tue, Dec 23 from Washington to Castelló de la Plana, returning Tue, Jan 6, priced at $851 found 6 days ago
British Airways
Wed, Nov 5 - Sun, Nov 9
IAD
Washington
CDT
Castelló de la Plana
$881 Roundtrip, found 3 days ago
$881
Roundtrip
found 3 days ago
Select British Airways flight, departing Wed, Nov 5 from Washington to Castelló de la Plana, returning Sun, Nov 9, priced at $881 found 3 days ago
British Airways
Wed, Nov 5 - Sun, Nov 9
IAD
Washington
CDT
Castelló de la Plana
$904 Roundtrip, found 3 days ago
$904
Roundtrip
found 3 days ago
Select British Airways flight, departing Wed, Nov 5 from Washington to Castelló de la Plana, returning Sun, Nov 9, priced at $904 found 3 days ago
Iberia
Wed, Nov 5 - Sun, Nov 9
IAD
Washington
CDT
Castelló de la Plana
$951 Roundtrip, found 3 days ago
$951
Roundtrip
found 3 days ago
Select Iberia flight, departing Wed, Nov 5 from Washington to Castelló de la Plana, returning Sun, Nov 9, priced at $951 found 3 days ago
Iberia
Wed, Nov 5 - Sun, Nov 9
IAD
Washington
CDT
Castelló de la Plana
$978 Roundtrip, found 3 days ago
$978
Roundtrip
found 3 days ago
Select Iberia flight, departing Wed, Nov 5 from Washington to Castelló de la Plana, returning Sun, Nov 9, priced at $978 found 3 days ago
Finnair
Tue, Dec 23 - Tue, Jan 6
IAD
Washington
CDT
Castelló de la Plana
$1,033 Roundtrip, found 6 days ago
$1,033
Roundtrip
found 6 days ago
Select Finnair flight, departing Tue, Dec 23 from Washington to Castelló de la Plana, returning Tue, Jan 6, priced at $1,033 found 6 days ago

Alternative airports near Castelló de la Plana

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Castellon de la Plana (CDT-Castellón Costa Azahar) CDT. Cheapest and Closest option available. Average driving time to city center is 26 minutes. Flights from $821
CDT
Castellon de la Plana (CDT-Castellón Costa Azahar)
CheapestClosest
Average driving time to city center26 min
Flights from $821

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Castellón Costa Azahar Airport (CDT) cost?
Grab a cheap one-way flight from $763 or cheap return flight from $812 from Washington Dulles Intl. Airport (IAD) to Castellón Costa Azahar Airport (CDT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Castellón Costa Azahar Airport (CDT)?
August is the most affordable month to fly from IAD to CDT. Planning your trip for the off-season is often the key to finding better deals on flights.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Castellón Costa Azahar Airport (CDT)?
To find the cheapest airline flying from IAD to CDT, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Castellón Costa Azahar Airport (CDT)?
Nonstop flights from Washington Dulles Intl. Airport (IAD) to Castellón Costa Azahar Airport (CDT) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IAD to CDT?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Castellón Costa Azahar Airport (CDT)?
To arrive at Castellón Costa Azahar Airport (CDT) on time, choose a flight that leaves from Washington Dulles Intl. Airport (IAD) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Washington Dulles Intl. Airport (IAD) to Castellón Costa Azahar Airport (CDT) last-minute?
Booking your plane ticket from IAD to CDT right before your trip is generally more expensive. But if there's some wiggle room with your schedule, you could bag a cheap last-minute fare.
Is it cheaper to book an IAD to CDT flight and hotel package?
You'll generally save money by booking an IAD to CDT flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. After choosing your ideal flights and accommodations, consider other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Castellón Costa Azahar Airport (CDT)?
In most instances, you're able to reschedule or cancel your IAD to CDT flight. However, there may be additional charges, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you'd like further information, go to our Customer Service portal.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Castellón Costa Azahar
Roundtrip price
$812
Distance
3987 mi

Book with confidence

Washington to Castellon de la Plana Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Washington 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 Washington 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 Washington to Castellon de la Plana in 2025. You can also book with separate airlines for your outbound and return journeys, from $763 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 Washington 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 Washington 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.

 

Washington to Castellon de la Plana Flights

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*Available to One Key members.