$403 Cheap Flights from Raleigh (RDU) to Bilbao (BIO)

View $403 flight on Sun, Jan 18, 2026Opens in a new window

Popular airlines from Raleigh-Durham International Airport (RDU) to Bilbao Airport (BIO)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Raleigh to Bilbao (RDU-BIO)

Prices were available within the past 7 days and start at $403 for one-way flights and $471 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Mon, Feb 9 - Mon, Feb 23
RDU
Raleigh
BIO
Bilbao
$471 Roundtrip, found 4 days ago
$471
Roundtrip
found 4 days ago
Select Air Canada flight, departing Mon, Feb 9 from Raleigh to Bilbao, returning Mon, Feb 23, priced at $471 found 4 days ago
United
Wed, Dec 3 - Mon, Dec 8
RDU
Raleigh
BIO
Bilbao
$475 Roundtrip, found 6 days ago
$475
Roundtrip
found 6 days ago
Select United flight, departing Wed, Dec 3 from Raleigh to Bilbao, returning Mon, Dec 8, priced at $475 found 6 days ago
Delta
Sun, Feb 1 - Wed, Feb 18
RDU
Raleigh
BIO
Bilbao
$476 Roundtrip, found 4 days ago
$476
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, Feb 1 from Raleigh to Bilbao, returning Wed, Feb 18, priced at $476 found 4 days ago
Air Canada
Sun, Jan 18 - Mon, Jan 26
RDU
Raleigh
BIO
Bilbao
$477 Roundtrip, found 4 days ago
$477
Roundtrip
found 4 days ago
Select Air Canada flight, departing Sun, Jan 18 from Raleigh to Bilbao, returning Mon, Jan 26, priced at $477 found 4 days ago
Delta
Wed, Jan 7 - Tue, Jan 20
RDU
Raleigh
BIO
Bilbao
$480 Roundtrip, found 4 days ago
$480
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Jan 7 from Raleigh to Bilbao, returning Tue, Jan 20, priced at $480 found 4 days ago
Air Canada
Mon, Feb 9 - Tue, Feb 24
RDU
Raleigh
BIO
Bilbao
$481 Roundtrip, found 4 days ago
$481
Roundtrip
found 4 days ago
Select Air Canada flight, departing Mon, Feb 9 from Raleigh to Bilbao, returning Tue, Feb 24, priced at $481 found 4 days ago
Lufthansa
Sun, Jan 11 - Sun, Jan 18
RDU
Raleigh
BIO
Bilbao
$482 Roundtrip, found 4 days ago
$482
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Sun, Jan 11 from Raleigh to Bilbao, returning Sun, Jan 18, priced at $482 found 4 days ago
Lufthansa
Sat, Jan 31 - Mon, Feb 9
RDU
Raleigh
BIO
Bilbao
$482 Roundtrip, found 3 days ago
$482
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Sat, Jan 31 from Raleigh to Bilbao, returning Mon, Feb 9, priced at $482 found 3 days ago
Air Canada
Sun, Jan 18 - Mon, Jan 26
RDU
Raleigh
BIO
Bilbao
$484 Roundtrip, found 4 days ago
$484
Roundtrip
found 4 days ago
Select Air Canada flight, departing Sun, Jan 18 from Raleigh to Bilbao, returning Mon, Jan 26, priced at $484 found 4 days ago
Swiss International Air Lines
Sat, Jan 31 - Mon, Feb 9
RDU
Raleigh
BIO
Bilbao
$489 Roundtrip, found 3 days ago
$489
Roundtrip
found 3 days ago
Select Swiss International Air Lines flight, departing Sat, Jan 31 from Raleigh to Bilbao, returning Mon, Feb 9, priced at $489 found 3 days ago

Alternative airports near Bilbao

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

Select flight to Bilbao Airport BIO. Cheapest and Closest option available. Average driving time to city center is 13 minutes. Flights from $700
BIO
Bilbao Airport
CheapestClosest
Average driving time to city center13 min
Flights from $700

Frequently asked questions

How much does a flight from Raleigh - Durham Intl. Airport (RDU) to Bilbao Airport (BIO) cost?
Lock in a cheap one-way flight from $403 or cheap return flight from $471 from Raleigh - Durham Intl. Airport (RDU) 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 Raleigh - Durham Intl. Airport (RDU) to Bilbao Airport (BIO)?
February is the cheapest month to fly from RDU to BIO. Traveling during an off-peak travel window is often the key to finding a great deal.
What is the cheapest airline that flies from Raleigh - Durham Intl. Airport (RDU) to Bilbao Airport (BIO)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll take you from RDU to BIO. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Raleigh - Durham Intl. Airport (RDU) to Bilbao Airport (BIO)?
There aren't any daily nonstop flights available from Raleigh - Durham Intl. Airport (RDU) to Bilbao Airport (BIO). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from RDU to BIO?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change depending on various factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Raleigh - Durham Intl. Airport (RDU) to Bilbao Airport (BIO)?
Select a flight from Raleigh - Durham Intl. Airport (RDU) to Bilbao Airport (BIO) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures later than this 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 Raleigh - Durham Intl. Airport (RDU) to Bilbao Airport (BIO) last-minute?
Booking your plane ticket from RDU to BIO just before your getaway is usually more expensive. However, if there's some wiggle room with your departure dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a RDU to BIO flight and hotel package?
Compared with arranging hotels and flights separately, booking a RDU to BIO flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one easy place takes the hassle out of planning your trip. Simply secure your flights and choose from our extensive range of stays, then customize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Raleigh - Durham Intl. Airport (RDU) to Bilbao Airport (BIO)?
In most instances, you can cancel or reschedule your RDU to BIO flight. However, additional fees may apply, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you want further information, go to our Customer Service portal.

Travel information

Origin airport
Raleigh - Durham Intl.
Destination airport
Bilbao
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Brussels Airlines, Delta, Finnair, Iberia, KLM, Lufthansa, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United
Roundtrip price
$471
Distance
3932 mi

Book with confidence

Raleigh to Bilbao Flights

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

 

The best time to book a flight from Raleigh to Bilbao

Sunday is one of the best days to book for cheap flights from Raleigh 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 Raleigh 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 Raleigh to Bilbao in 2025. You can also book with separate airlines for your outbound and return journeys, from $403 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 Raleigh 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 Raleigh 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.

 

Raleigh to Bilbao Flights

Explore a world of travel with Expedia

*Available to One Key members.