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Bilbao

$360+ 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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — BIO
Jul 17 — Jul 241
Fri 7/17
Fri 7/24
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 June 17, 2026.

This KLM deal was found by Cheapflights users on 6/13. 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.
Mon 8/34:37 pm
IAH
-
BIO
2 stops16h 18m
KLM
Tue 8/185:15 pm
BIO
-
IAH
1 stop27h 05m
KLM
Deal found 6/13$796
This KLM deal was found by Cheapflights users on 6/13. 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.
Mon 8/34:37 pm
IAH
-
BIO
2 stops16h 18m
KLM
Wed 8/197:10 am
BIO
-
IAH
2 stops17h 30m
KLM
Deal found 6/13$809
This Delta deal was found by Cheapflights users on 6/13. 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.
Sun 8/27:00 am
IAH
-
BIO
2 stops19h 50m
Delta
Thu 8/2012:00 pm
BIO
-
IAH
1 stop32h 20m
Delta
Deal found 6/13$816
This Delta deal was found by Cheapflights users on 6/13. 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.
Mon 8/33:55 pm
IAH
-
BIO
1 stop34h 55m
Delta
Fri 8/216:45 am
BIO
-
IAH
1 stop13h 35m
Delta
Deal found 6/13$818
This United Airlines deal was found by Cheapflights users on 6/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/54:40 pm
IAH
-
BIO
1 stop23h 45m
United Airlines
Thu 8/206:50 am
BIO
-
IAH
1 stop18h 05m
United Airlines
Deal found 6/13$819
This Delta deal was found by Cheapflights users on 6/13. 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 8/52:37 pm
IAH
-
BIO
2 stops18h 53m
Delta
Tue 8/1812:00 pm
BIO
-
IAH
1 stop32h 20m
Delta
Deal found 6/13$821
This Delta deal was found by Cheapflights users on 6/13. 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.
Tue 8/410:21 am
IAH
-
BIO
2 stops17h 54m
Delta
Fri 8/216:45 am
BIO
-
IAH
2 stops21h 36m
Delta
Deal found 6/13$826
This Delta deal was found by Cheapflights users on 6/13. 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.
Tue 8/412:12 pm
IAH
-
BIO
2 stops16h 03m
Delta
Wed 8/196:45 am
BIO
-
IAH
2 stops24h 07m
Delta
Deal found 6/13$827
This United Airlines deal was found by Cheapflights users on 6/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/26:20 pm
IAH
-
BIO
1 stop22h 05m
United Airlines
Thu 8/206:50 am
BIO
-
IAH
1 stop18h 05m
United Airlines
Deal found 6/13$831
This United Airlines deal was found by Cheapflights users on 6/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/26:20 pm
IAH
-
BIO
1 stop22h 05m
United Airlines
Wed 8/197:15 am
BIO
-
IAH
1 stop16h 15m
United Airlines
Deal found 6/13$832
This Finnair deal was found by Cheapflights users on 6/13. 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.
Tue 8/41:36 pm
IAH
-
BIO
2 stops26h 39m
Multiple Airlines
Tue 8/189:35 pm
BIO
-
IAH
2 stops33h 23m
Multiple Airlines
Deal found 6/13$842
This KLM deal was found by Cheapflights users on 6/14. 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.
Mon 8/35:20 pm
HOU
-
BIO
2 stops15h 35m
KLM
Wed 8/127:10 am
BIO
-
HOU
2 stops16h 15m
KLM
Deal found 6/14$869

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 June 17, 2026.

Round-trip from

$796
(KLM)

One-way from

$360
(Kiwi.com)
From Houston to Bilbao
Search Deals
One-way flight from Houston to Bilbao
Search Deals

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 June 17, 2026.
Use the filters below to find and compare flights from Houston to Bilbao that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Mon 8/3

4:37 pm-3:55 pm

2 stops16h 18m

Bilbao

Wed 8/12

12:00 pm-1:20 pm

1 stop32h 20m

$856

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Mon 8/3

4:37 pm-3:55 pm

2 stops16h 18m

Bilbao

Wed 8/12

7:10 am-5:40 pm

2 stops17h 30m

$868
Quickest round-trip

HoustonBilbao

HOU - BIO

HOUBIO

Houston Hobby

Mon 8/3

5:20 pm-3:55 pm

2 stops15h 35m

Bilbao

Wed 8/12

7:10 am-4:25 pm

2 stops16h 15m

$869

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Sun 8/16

3:55 pm-10:00 pm

1 stop23h 05m

Bilbao

Sat 8/22

12:00 pm-1:20 pm

1 stop32h 20m

$881

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Sun 7/12

7:00 am-9:50 am

2 stops19h 50m

Bilbao

Thu 7/23

6:45 am-9:35 pm

2 stops21h 50m

$918

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Tue 7/14

12:09 pm-9:50 am

2 stops14h 41m

Bilbao

Tue 7/21

7:10 am-11:57 pm

2 stops23h 47m

$925

HoustonBilbao

HOU - BIO

HOUBIO

Houston Hobby

Fri 7/31

5:17 pm-3:55 pm

2 stops15h 38m

Bilbao

Fri 8/7

7:10 am-4:25 pm

2 stops16h 15m

$925

HoustonBilbao

HOU - BIO

HOUBIO

Houston Hobby

Thu 7/30

6:00 am-9:50 am

2 stops20h 50m

Bilbao

Thu 8/6

7:10 am-10:05 pm

2 stops21h 55m

$945

HoustonBilbao

HOU - BIO

HOUBIO

Houston Hobby

Thu 7/23

12:46 pm-5:50 pm

2 stops22h 04m

Bilbao

Fri 8/7

1:30 pm-7:51 pm

2 stops37h 21m

$993

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Sat 8/1

4:40 pm-11:25 pm

1 stop23h 45m

Bilbao

Sat 8/8

6:50 am-10:59 pm

2 stops23h 09m

$1,008

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Showing 1-10 of 35 resultsSorted by cheapest first
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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.

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 0 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, United Airlines, and Delta fly from Houston to Bilbao in about 16h 18m. The time it takes to get you to your destination can typically vary by up to 4h 32m. There are 4942 mi between Houston and Bilbao. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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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