$581 Cheap Flights from Wilmington (ILM) to Bilbao (BIO)

View $581 flight on Thu, Oct 2, 2025Opens in a new window

Popular airlines from Wilmington Intl. Airport (ILM) to Bilbao Airport (BIO)

Cheap Flights from Wilmington to Bilbao (ILM-BIO)

Prices were available within the past 7 days and start at $581 for one-way flights and $1,247 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Thu, Oct 2 - Sat, Oct 25
ILM
Wilmington
BIO
Bilbao
$1,247 Roundtrip, found 1 hour ago
$1,247
Roundtrip
found 1 hour ago
Select British Airways flight, departing Thu, Oct 2 from Wilmington to Bilbao, returning Sat, Oct 25, priced at $1,247 found 1 hour ago
British Airways
Thu, Oct 2 - Sat, Oct 25
ILM
Wilmington
BIO
Bilbao
$1,347 Roundtrip, found 1 hour ago
$1,347
Roundtrip
found 1 hour ago
Select British Airways flight, departing Thu, Oct 2 from Wilmington to Bilbao, returning Sat, Oct 25, priced at $1,347 found 1 hour ago
British Airways
Thu, Oct 2 - Sat, Oct 25
ILM
Wilmington
BIO
Bilbao
$1,354 Roundtrip, found 1 hour ago
$1,354
Roundtrip
found 1 hour ago
Select British Airways flight, departing Thu, Oct 2 from Wilmington to Bilbao, returning Sat, Oct 25, priced at $1,354 found 1 hour ago
British Airways
Thu, Oct 2 - Sat, Oct 25
ILM
Wilmington
BIO
Bilbao
$1,388 Roundtrip, found 1 hour ago
$1,388
Roundtrip
found 1 hour ago
Select British Airways flight, departing Thu, Oct 2 from Wilmington to Bilbao, returning Sat, Oct 25, priced at $1,388 found 1 hour ago
British Airways
Thu, Oct 2 - Sat, Oct 25
ILM
Wilmington
BIO
Bilbao
$1,394 Roundtrip, found 1 hour ago
$1,394
Roundtrip
found 1 hour ago
Select British Airways flight, departing Thu, Oct 2 from Wilmington to Bilbao, returning Sat, Oct 25, priced at $1,394 found 1 hour ago
JetBlue Airways
Thu, Oct 2 - Sat, Oct 25
ILM
Wilmington
BIO
Bilbao
$1,424 Roundtrip, found 1 hour ago
$1,424
Roundtrip
found 1 hour ago
Select JetBlue Airways flight, departing Thu, Oct 2 from Wilmington to Bilbao, returning Sat, Oct 25, priced at $1,424 found 1 hour ago
British Airways
Thu, Oct 2 - Sat, Oct 25
ILM
Wilmington
BIO
Bilbao
$1,447 Roundtrip, found 1 hour ago
$1,447
Roundtrip
found 1 hour ago
Select British Airways flight, departing Thu, Oct 2 from Wilmington to Bilbao, returning Sat, Oct 25, priced at $1,447 found 1 hour ago
British Airways
Thu, Oct 2 - Sat, Oct 25
ILM
Wilmington
BIO
Bilbao
$1,488 Roundtrip, found 1 hour ago
$1,488
Roundtrip
found 1 hour ago
Select British Airways flight, departing Thu, Oct 2 from Wilmington to Bilbao, returning Sat, Oct 25, priced at $1,488 found 1 hour ago
British Airways
Thu, Oct 2 - Sat, Oct 25
ILM
Wilmington
BIO
Bilbao
$1,494 Roundtrip, found 1 hour ago
$1,494
Roundtrip
found 1 hour ago
Select British Airways flight, departing Thu, Oct 2 from Wilmington to Bilbao, returning Sat, Oct 25, priced at $1,494 found 1 hour ago
British Airways
Thu, Oct 2 - Sat, Oct 25
ILM
Wilmington
BIO
Bilbao
$1,495 Roundtrip, found 1 hour ago
$1,495
Roundtrip
found 1 hour ago
Select British Airways flight, departing Thu, Oct 2 from Wilmington to Bilbao, returning Sat, Oct 25, priced at $1,495 found 1 hour ago

Frequently asked questions

How much does a flight from Wilmington Intl. Airport (ILM) to Bilbao Airport (BIO) cost?
Secure a cheap one-way flight from $581 or cheap return flight from $1,247 from Wilmington Intl. Airport (ILM) to Bilbao Airport (BIO) 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 Wilmington Intl. Airport (ILM) to Bilbao Airport (BIO)?
October is the cheapest month to fly from ILM to BIO. Traveling during quieter months is often the key to landing a great deal.
What is the cheapest airline that flies from Wilmington Intl. Airport (ILM) to Bilbao Airport (BIO)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest ILM to BIO flight.
How many flights per day from Wilmington Intl. Airport (ILM) to Bilbao Airport (BIO)?
Nonstop flights from Wilmington Intl. Airport (ILM) to Bilbao Airport (BIO) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ILM to BIO?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* But this can change based on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Wilmington Intl. Airport (ILM) to Bilbao Airport (BIO)?
To reach Bilbao Airport (BIO) on schedule, opt for a flight that takes off from Wilmington Intl. Airport (ILM) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Wilmington Intl. Airport (ILM) to Bilbao Airport (BIO) last-minute?
Booking your plane ticket from ILM to BIO right before your getaway is usually more expensive. But if you're flexible with your itinerary, you could bag a cheap last-minute fare.
Is it cheaper to book an ILM to BIO flight and hotel package?
Compared with arranging hotels and flights separately, booking an ILM to BIO flight and hotel package with Expedia could result in significant savings. Better still, managing everything in one place will take the stress out of travel planning. Simply pick your flights and select from our extensive range of hotels, then customize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Wilmington Intl. Airport (ILM) to Bilbao Airport (BIO)?
If you reserved your ILM to BIO flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more information.

Travel information

Travel information

Origin airport
Wilmington Intl.
Destination airport
Bilbao
Roundtrip price
$1,246
Distance
3951 mi

Book with confidence

Book with confidence

Wilmington to Bilbao Flights

The cheapest times to fly from Wilmington 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 Wilmington to Bilbao are during the month of October. You can find some of the cheapest flights from Wilmington to Bilbao with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Wilmington to Bilbao

Sunday is one of the best days to book for cheap flights from Wilmington 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 Wilmington 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 Wilmington to Bilbao in 2025. You can also book with separate airlines for your outbound and return journeys, from $581 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 Wilmington 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 Wilmington 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.

 

Wilmington to Bilbao Flights

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Explore a world of travel with Expedia

*Available to One Key members.