$458 Cheap Flights from Houston (HOU) to Bilbao (BIO)

View $458 flight on Tue, Dec 2, 2025Opens in a new window

Popular airlines from Houston William Hobby Airport (HOU) to Bilbao Airport (BIO)

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Cheap Flights from Houston to Bilbao (HOU-BIO)

Prices were available within the past 7 days and start at $458 for one-way flights and $654 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Thu, Nov 27 - Wed, Dec 3
HOU
Houston
BIO
Bilbao
$654 Roundtrip, found 1 day ago
$654
Roundtrip
found 1 day ago
Select Iberia flight, departing Thu, Nov 27 from Houston to Bilbao, returning Wed, Dec 3, priced at $654 found 1 day 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 $847
BIO
Bilbao Airport
CheapestClosest
Average driving time to city center13 min
Flights from $847

Frequently asked questions

How much does a flight from William P. Hobby Airport (HOU) to Bilbao Airport (BIO) cost?
Secure a cheap one-way flight from $458 or cheap return flight from $654 from William P. Hobby Airport (HOU) to Bilbao Airport (BIO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from William P. Hobby Airport (HOU) to Bilbao Airport (BIO)?
November is the cheapest month to fly from HOU to BIO. Planning your trip for the off-season is often the key to scoring lower fares.
What is the cheapest airline that flies from William P. Hobby Airport (HOU) to Bilbao Airport (BIO)?
To find the cheapest airline that'll fly you from HOU to BIO, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from William P. Hobby Airport (HOU) to Bilbao Airport (BIO)?
You'll need to take a flight with a layover when traveling from William P. Hobby Airport (HOU) to Bilbao Airport (BIO). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from HOU to BIO?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary depending on a number of factors, such as the time of year 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 William P. Hobby Airport (HOU) to Bilbao Airport (BIO)?
To reach Bilbao Airport (BIO) without delays, opt for a flight that leaves from William P. Hobby Airport (HOU) 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 William P. Hobby Airport (HOU) to Bilbao Airport (BIO) last-minute?
Waiting until just before your departure to book a flight from HOU to BIO often results in higher prices. Although you may find some last-minute offers, they aren't always guaranteed. Be flexible with your itinerary to maximize your chances of scoring a bargain.
Is it cheaper to book a HOU to BIO flight and hotel package?
Compared with arranging flights and hotels separately, booking a HOU to BIO flight and hotel package with Expedia could lead to significant savings. Better still, having it all in one place will take the hassle out of travel planning. Just pick your flights and choose from our wide range of stays, then personalize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from William P. Hobby Airport (HOU) to Bilbao Airport (BIO)?
You can usually cancel or reschedule your HOU to BIO flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
William P. Hobby
Destination airport
Bilbao
Airlines serving
American Airlines, Delta, Iberia
Roundtrip price
$654
Distance
4957 mi

Book with confidence

Houston to Bilbao Flights

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

 

The best time to book a flight from Houston to Bilbao

Sunday is one of the best days to book for cheap flights from Houston 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 Houston 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 Houston to Bilbao in 2025. You can also book with separate airlines for your outbound and return journeys, from $458 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 Houston 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 Houston 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.

 

Houston to Bilbao Flights

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*Available to One Key members.