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$335+ 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
feb. 7 — feb. 141
sáb. 2/7
sáb. 2/14
1 adult, Economy
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Cheap 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 enero 8, 2026.

Round-trip from

$570
(KLM)

One-way from

$335
(Kiwi.com)
From Houston to Bilbao
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One-way flight from Houston to Bilbao
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Find 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 enero 8, 2026.

This KLM deal was found by Cheapflights users on 1/8. 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.
mar. 3/245:05 pmIAH - BIO
1 stop12h 25mKLM
mié. 4/1512:00 pmBIO - IAH
1 stop32h 15mKLM
Deal found 1/8$570
This Delta deal was found by Cheapflights users on 1/7. 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.
mar. 3/2412:40 pmIAH - BIO
2 stops16h 50mDelta
mié. 4/156:45 amBIO - IAH
1 stop13h 30mDelta
Deal found 1/7$575
This Delta deal was found by Cheapflights users on 1/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/204:25 pmIAH - BIO
2 stops17h 55mDelta
vie. 2/276:50 amBIO - IAH
1 stop13h 40mDelta
Deal found 1/6$626
This KLM deal was found by Cheapflights users on 1/6. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/203:30 pmIAH - BIO
1 stop18h 00mKLM
vie. 2/276:50 amBIO - IAH
1 stop13h 40mKLM
Deal found 1/6$627
This Air France deal was found by Cheapflights users on 1/7. 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.
mar. 4/2112:19 pmIAH - BIO
2 stops14h 31mAir France
lun. 4/277:10 amBIO - IAH
2 stops17h 41mAir France
Deal found 1/7$641
This SmartFares deal was found by Cheapflights users on 1/5. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/122:30 pmIAH - BIO
1 stop19h 50mTurkish Airlines
mié. 8/196:15 pmBIO - IAH
1 stop31h 55mTurkish Airlines
Deal found 1/5$648
This American Airlines deal was found by Cheapflights users on 1/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/214:19 pmHOU - BIO
2 stops17h 36mAmerican Airlines
lun. 4/271:30 pmBIO - HOU
2 stops17h 17mAmerican Airlines
Deal found 1/7$693
This Expedia deal was found by Cheapflights users on 1/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/2110:13 amHOU - BIO
2 stops15h 17mIberia
sáb. 2/287:10 amBIO - HOU
2 stops19h 40mIberia
Deal found 1/7$703
This Finnair deal was found by Cheapflights users on 1/5. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/126:29 pmIAH - BIO
2 stops21h 46mMultiple Airlines
mié. 8/196:45 amBIO - IAH
2 stops23h 46mMultiple Airlines
Deal found 1/5$711
This Air France deal was found by Cheapflights users on 1/6. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/73:50 pmIAH - BIO
1 stop23h 10mMultiple Airlines
mié. 5/2012:00 pmBIO - IAH
1 stop32h 15mMultiple Airlines
Deal found 1/6$727
This Delta deal was found by Cheapflights users on 1/5. 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.
jue. 4/23:50 pmIAH - BIO
1 stop18h 40mDelta
mar. 4/146:45 amBIO - IAH
1 stop13h 30mDelta
Deal found 1/5$735
This Iberia deal was found by Cheapflights users on 1/6. 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.
vie. 2/2012:18 pmHOU - BIO
2 stops17h 32mIberia
vie. 2/277:10 amBIO - HOU
2 stops19h 40mIberia
Deal found 1/6$753

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 enero 8, 2026.
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

mar. 3/24

5:05 pm-5:20 pm

1 stop18h 15m

Bilbao

mié. 4/15

12:00 pm-1:15 pm

1 stop32h 15m

$570

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

mar. 3/24

12:40 pm-11:30 am

2 stops16h 50m

Bilbao

mié. 4/15

6:45 am-1:15 pm

1 stop13h 30m

$575

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

mar. 3/24

6:53 pm-5:20 pm

2 stops16h 27m

Bilbao

mié. 4/15

12:00 pm-1:15 pm

1 stop32h 15m

$575

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

vie. 2/20

4:25 pm-5:20 pm

2 stops17h 55m

Bilbao

vie. 2/27

6:50 am-1:30 pm

1 stop13h 40m

$626

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

vie. 2/20

3:30 pm-4:30 pm

1 stop18h 00m

Bilbao

vie. 2/27

6:50 am-1:30 pm

1 stop13h 40m

$627

HoustonBilbao

HOU - BIO

HOUBIO

Houston Hobby

sáb. 2/21

10:13 am-8:30 am

2 stops15h 17m

Bilbao

sáb. 2/28

7:10 am-7:50 pm

2 stops19h 40m

$703

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

jue. 4/2

3:50 pm-5:30 pm

1 stop18h 40m

Bilbao

mar. 4/14

12:00 pm-1:15 pm

1 stop32h 15m

$735

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

mar. 2/3

8:18 am-9:55 pm

2 stops30h 37m

Bilbao

mar. 2/10

11:35 am-10:58 pm

2 stops18h 23m

$739

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

sáb. 3/7

9:50 pm-4:10 pm

2 stops35h 20m

Bilbao

dom. 3/15

12:45 pm-8:36 am

2 stops25h 51m

$744

HoustonBilbao

HOU - BIO

HOUBIO

Houston Hobby

vie. 2/20

12:18 pm-12:50 pm

2 stops17h 32m

Bilbao

vie. 2/27

7:10 am-7:50 pm

2 stops19h 40m

$753

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

Showing 1-10 of 25 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
No data available for this route at this time. Please check back soon.

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 enero 8, 2026.
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
8,025 reviews

Comfort

7.9

Overall

7.9

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

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
8,025 reviews
Delta
7.9
Good
8,025 reviews

Comfort

7.9

Overall

7.9

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

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
9,139 reviews
Delta
7.9
Good
8,025 reviews

Comfort

7.9

Overall

7.9

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

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 KLM, Delta, and Iberia fly from Houston to Bilbao in about 15h 17m. The time it takes to get you to your destination can typically vary by up to 2h 58m. There are 4954 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 $690 on this airline. An additional option worth looking into is Delta, starting at $868.

  • 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 enero 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$690Average$1,016FlexibilityNo cancel feeOn-time69%
DeltaCheapest$868Average$955FlexibilityNo cancel feeOn-timeN/A

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