$467 Cheap Flights from Houston (IAH) to Bilbao (BIO)

View $467 flight on Tue, Mar 24, 2026Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Bilbao Airport (BIO)

Cheap Flights from Houston to Bilbao (IAH-BIO)

Prices were available within the past 7 days and start at $467 for one-way flights and $569 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Mar 22 - Tue, Mar 31
IAH
Houston
BIO
Bilbao
$569 Roundtrip, found 16 hours ago
$569
Roundtrip
found 16 hours ago
Select United flight, departing Sun, Mar 22 from Houston to Bilbao, returning Tue, Mar 31, priced at $569 found 16 hours ago
Delta
Sun, Mar 22 - Wed, Apr 1
IAH
Houston
BIO
Bilbao
$570 Roundtrip, found 16 hours ago
$570
Roundtrip
found 16 hours ago
Select Delta flight, departing Sun, Mar 22 from Houston to Bilbao, returning Wed, Apr 1, priced at $570 found 16 hours ago
Air Canada
Tue, Mar 24 - Tue, Mar 31
IAH
Houston
BIO
Bilbao
$570 Roundtrip, found 16 hours ago
$570
Roundtrip
found 16 hours ago
Select Air Canada flight, departing Tue, Mar 24 from Houston to Bilbao, returning Tue, Mar 31, priced at $570 found 16 hours ago
Air Canada
Tue, Mar 24 - Tue, Mar 31
IAH
Houston
BIO
Bilbao
$571 Roundtrip, found 16 hours ago
$571
Roundtrip
found 16 hours ago
Select Air Canada flight, departing Tue, Mar 24 from Houston to Bilbao, returning Tue, Mar 31, priced at $571 found 16 hours ago
Lufthansa
Wed, Nov 26 - Thu, Dec 4
IAH
Houston
BIO
Bilbao
$573 Roundtrip, found 2 hours ago
$573
Roundtrip
found 2 hours ago
Select Lufthansa flight, departing Wed, Nov 26 from Houston to Bilbao, returning Thu, Dec 4, priced at $573 found 2 hours ago
United
Tue, Mar 24 - Tue, Mar 31
IAH
Houston
BIO
Bilbao
$575 Roundtrip, found 16 hours ago
$575
Roundtrip
found 16 hours ago
Select United flight, departing Tue, Mar 24 from Houston to Bilbao, returning Tue, Mar 31, priced at $575 found 16 hours ago
Delta
Mon, Nov 24 - Tue, Dec 9
IAH
Houston
BIO
Bilbao
$576 Roundtrip, found 1 day ago
$576
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Nov 24 from Houston to Bilbao, returning Tue, Dec 9, priced at $576 found 1 day ago
Air Canada
Wed, Nov 26 - Thu, Dec 4
IAH
Houston
BIO
Bilbao
$577 Roundtrip, found 2 hours ago
$577
Roundtrip
found 2 hours ago
Select Air Canada flight, departing Wed, Nov 26 from Houston to Bilbao, returning Thu, Dec 4, priced at $577 found 2 hours ago
Iberia
Mon, Dec 1 - Tue, Dec 9
IAH
Houston
BIO
Bilbao
$604 Roundtrip, found 22 hours ago
$604
Roundtrip
found 22 hours ago
Select Iberia flight, departing Mon, Dec 1 from Houston to Bilbao, returning Tue, Dec 9, priced at $604 found 22 hours ago
KLM
Tue, Mar 24 - Tue, Mar 31
IAH
Houston
BIO
Bilbao
$628 Roundtrip, found 16 hours ago
$628
Roundtrip
found 16 hours ago
Select KLM flight, departing Tue, Mar 24 from Houston to Bilbao, returning Tue, Mar 31, priced at $628 found 16 hours 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 $626
BIO
Bilbao Airport
CheapestClosest
Average driving time to city center13 min
Flights from $626

Frequently asked questions

How much does a flight from George Bush Intercontinental Airport (IAH) to Bilbao Airport (BIO) cost?
Get a cheap one-way flight from $467 or cheap return flight from $569 from George Bush Intercontinental Airport (IAH) 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 George Bush Intercontinental Airport (IAH) to Bilbao Airport (BIO)?
The cheapest month to fly from IAH to BIO is March, when there's less demand. Off-peak season is usually when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from George Bush Intercontinental Airport (IAH) to Bilbao Airport (BIO)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll fly you from IAH to BIO. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from George Bush Intercontinental Airport (IAH) to Bilbao Airport (BIO)?
Direct flights from George Bush Intercontinental Airport (IAH) 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 dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IAH to BIO?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on various factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from George Bush Intercontinental Airport (IAH) to Bilbao Airport (BIO)?
To avoid possible delays on the George Bush Intercontinental Airport (IAH) to Bilbao Airport (BIO) route, fly before 3 PM. Later flights are 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 George Bush Intercontinental Airport (IAH) to Bilbao Airport (BIO) last-minute?
Booking your flight from IAH to BIO shortly before your journey is typically more expensive. But if you're flexible with your departure dates and times, you could land a cheap last-minute fare.
Is it cheaper to book an IAH to BIO flight and hotel package?
You'll typically save money by booking an IAH to BIO flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've chosen your ideal accommodations and flights, consider other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to Bilbao Airport (BIO)?
In most instances, you're able to reschedule or cancel your IAH to BIO flight. However, additional charges may apply, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like more information, go to our Customer Service portal.

Travel information

Travel information

Origin airport
George Bush Intercontinental
Destination airport
Bilbao
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, KLM, Lufthansa, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United
Roundtrip price
$569
Distance
4945 mi

Book with confidence

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 March. 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 $467 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.