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$454+ Cheap flights from Houston to Bilbao (BIO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — BIO
Jan 8 — Jan 151
Thu 1/8
Thu 1/15
1 adult, Economy
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Cheap flight deals from Houston to Bilbao

Cheapest flights from Houston to Bilbao
Explore the most affordable flight options available from Houston to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 9, 2025.

This Iberia deal was found by Cheapflights users on 12/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:26 amIAH - BIO
2 stops16h 04mIberia
Sat 1/109:15 amBIO - IAH
2 stops18h 58mIberia
Deal found 12/6$1,080
This Turkish Airlines deal was found by Cheapflights users on 12/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:05 pmIAH - BIO
1 stop36h 05mTurkish Airlines
Sat 1/1012:00 pmBIO - IAH
1 stop38h 10mTurkish Airlines
Deal found 12/6$1,179
This Air France deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:05 pmIAH - BIO
1 stop18h 15mMultiple Airlines
Wed 12/316:50 amBIO - IAH
1 stop13h 40mMultiple Airlines
Deal found 12/7$1,259
This Mytrip deal was found by Cheapflights users on 12/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:05 pmIAH - BIO
2 stops38h 05mMultiple Airlines
Sat 1/1012:50 pmBIO - IAH
1 stop32h 45mMultiple Airlines
Deal found 12/6$1,261
This Delta deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:05 pmIAH - BIO
1 stop18h 15mDelta
Wed 12/316:50 amBIO - IAH
2 stops24h 01mDelta
Deal found 12/7$1,269
This KAYAK deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:20 pmIAH - BIO
2 stops24h 00mLufthansa
Mon 12/296:45 amBIO - IAH
1 stop14h 50mLufthansa
Deal found 12/7$1,279
This KLM deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/253:30 pmIAH - BIO
1 stop24h 15mKLM
Tue 12/306:50 amBIO - IAH
1 stop13h 40mKLM
Deal found 12/7$1,290
This American Airlines deal was found by Cheapflights users on 12/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:05 amHOU - BIO
2 stops40h 25mMultiple Airlines
Sat 1/105:35 pmBIO - HOU
2 stops25h 34mMultiple Airlines
Deal found 12/6$1,291
This KAYAK deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:20 pmIAH - BIO
2 stops24h 00mLufthansa
Sun 12/286:45 amBIO - IAH
2 stops39h 15mLufthansa
Deal found 12/7$1,295
This Delta deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:05 pmIAH - BIO
1 stop18h 15mDelta
Mon 12/2911:55 amBIO - IAH
1 stop32h 35mDelta
Deal found 12/7$1,334
This KLM deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:38 pmIAH - BIO
2 stops14h 52mKLM
Tue 12/3011:55 amBIO - IAH
1 stop32h 35mKLM
Deal found 12/7$1,338
This KLM deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/253:30 pmIAH - BIO
1 stop12h 50mKLM
Wed 12/316:50 amBIO - IAH
2 stops17h 43mKLM
Deal found 12/7$1,340

Find flight deals from Houston to Bilbao

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to Bilbao (BIO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 9, 2025.

Round-trip from

$554
(Iberia)

One-way from

$454
(lastminute.com)

Popular in

June

Cheapest in

February

Average price

$1,447
From Houston to Bilbao
Search Deals
One-way flight from Houston to Bilbao
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($376 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($78 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Houston to Bilbao that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 9, 2025.
Use the filters below to find and compare flights from Houston to Bilbao that are best for you.

Fly from

Houston

Fly to

Bilbao

Route

Depart

Return

Price

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Mon 1/19

6:55 pm-4:40 pm

1 stop14h 45m

Bilbao

Tue 1/27

11:35 am-10:58 pm

2 stops18h 23m

$570

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Tue 3/24

10:05 pm-4:10 pm

1 stop36h 05m

Bilbao

Wed 4/15

6:20 pm-7:15 pm

1 stop31h 55m

$667

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Mon 1/19

6:37 pm-5:20 pm

2 stops15h 43m

Bilbao

Tue 1/27

6:50 am-1:30 pm

1 stop13h 40m

$720

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Thu 1/22

9:05 pm-11:00 am

1 stop30h 55m

Bilbao

Mon 1/26

12:00 pm-7:10 pm

1 stop38h 10m

$734

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Thu 1/29

9:05 pm-11:00 am

1 stop30h 55m

Bilbao

Mon 2/2

12:00 pm-7:10 pm

1 stop38h 10m

$734

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Sat 2/7

4:50 pm-10:50 am

2 stops35h 00m

Bilbao

Sun 2/15

12:45 pm-8:39 am

2 stops26h 54m

$742

HoustonBilbao

HOU - BIO

HOUBIO

Houston Hobby

Mon 1/19

12:47 pm-8:30 am

2 stops36h 43m

Bilbao

Tue 1/27

6:45 am-10:46 pm

2 stops23h 01m

$746

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Sat 2/7

9:05 pm-11:00 am

1 stop30h 55m

Bilbao

Sun 2/15

5:10 pm-7:10 pm

1 stop33h 00m

$750

HoustonBilbao

HOU - BIO

HOUBIO

Houston Hobby

Thu 1/22

11:09 am-11:30 am

2 stops17h 21m

Bilbao

Thu 1/29

6:50 am-10:33 pm

2 stops22h 43m

$784

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Thu 1/29

9:30 am-10:50 am

2 stops18h 20m

Bilbao

Mon 2/2

12:50 pm-6:15 pm

1 stop36h 25m

$796

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 30 results
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Best time to book a flight from Houston to Bilbao

Have a flexible travel schedule? Discover the best time to fly to Bilbao from Houston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Houston to Bilbao

What is the cheapest time of day to fly from HOU to BIO?

Find hourly flight availability from Houston to Bilbao. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 9, 2025.

When flying from Houston to Bilbao, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 15% versus a flight in the morning.

Reviews of airlines servicing Bilbao

Get insights into the airlines that provide service to Bilbao. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Bilbao. Reviews last updated December 9, 2025.
Peruse reviews from past customers who have flown with Delta and United Airlines from Houston to Bilbao to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Overall

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Overall

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,092 reviews
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Overall

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Houston to Bilbao. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Bilbao from Houston?

    Bilbao (BIO) is the airport you will fly into if you book a flight from Houston to Bilbao. You should not have trouble finding flights to Bilbao from Houston; the airport handles an average of 0 inbound flights from Houston per day. You should also have plenty of airline options to choose from since 2 airlines have flights to the Bilbao airport from Houston. It is only a 3.0 mi journey from Bilbao (BIO) to Bilbao’s city center.

  • How long is the flight from Houston to Bilbao?

    Airlines like Lufthansa, Turkish Airlines, and Delta fly from Houston to Bilbao in about 14h 45m. The time it takes to get you to your destination can typically vary by up to 21h 20m. There are 4942 mi between Houston and Bilbao. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Houston to Bilbao round-trip?

    Our cheapest airline available from Houston to Bilbao is United Airlines. Our recent data shows that you can find tickets from as low as $554 on this airline. An additional option worth looking into is Delta, starting at $868. You may be able to fly from Houston to Bilbao for 48% less than the average price by searching for these airlines.

  • Can I find deals for flights from Houston to Bilbao that include hotel bookings?

    Yes. In addition to deals on Houston to Bilbao flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Houston to Bilbao?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to Bilbao.

  • Can I find deals for business class flights from Houston to Bilbao?

    Yes. Cheapflights offers flight deals from Houston to Bilbao by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Top 2 airlines flying from Houston to Bilbao

Discover the top 2 airlines that operate flights from Houston to Bilbao. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$554Average$1,228FlexibilityNo cancel feeOn-time69%
DeltaCheapest$868Average$955FlexibilityNo cancel feeOn-timeN/A

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