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Bilbao

$385+ 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — BIO
Jun 21 — Jun 281
Sun 6/21
Sun 6/28
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 May 22, 2026.

This Finnair deal was found by Cheapflights users on 5/17. 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 10/64:52 pm
IAH
-
BIO
2 stops23h 23m
Finnair
Wed 10/146:45 am
BIO
-
IAH
2 stops23h 33m
Finnair
Deal found 5/17$751
This KLM deal was found by Cheapflights users on 5/17. 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.
Tue 10/63:55 pm
IAH
-
BIO
1 stop18h 35m
KLM
Wed 10/146:45 am
BIO
-
IAH
1 stop13h 30m
KLM
Deal found 5/17$787
This Mytrip deal was found by Cheapflights users on 5/17. 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 10/63:35 pm
IAH
-
BIO
1 stop18h 35m
Multiple Airlines
Wed 10/146:50 am
BIO
-
IAH
2 stops22h 02m
Multiple Airlines
Deal found 5/17$789
This KLM deal was found by Cheapflights users on 5/18. 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 8/34:52 pm
IAH
-
BIO
2 stops16h 03m
KLM
Wed 8/196:45 am
BIO
-
IAH
1 stop13h 35m
KLM
Deal found 5/18$797
This KLM deal was found by Cheapflights users on 5/20. 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 8/34:52 pm
IAH
-
BIO
2 stops16h 03m
Multiple Airlines
Wed 8/197:10 am
BIO
-
IAH
2 stops17h 30m
Multiple Airlines
Deal found 5/20$809
This Delta deal was found by Cheapflights users on 5/18. 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 8/47:00 am
IAH
-
BIO
2 stops19h 50m
Delta
Thu 8/206:45 am
BIO
-
IAH
1 stop13h 35m
Delta
Deal found 5/18$817
This Delta deal was found by Cheapflights users on 5/20. 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 5/20$818
This Delta deal was found by Cheapflights users on 5/18. 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
Thu 8/2012:00 pm
BIO
-
IAH
1 stop32h 20m
Delta
Deal found 5/18$819
This Delta deal was found by Cheapflights users on 5/18. 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 8/54:52 pm
IAH
-
BIO
2 stops16h 38m
Delta
Tue 8/1812:00 pm
BIO
-
IAH
1 stop32h 20m
Delta
Deal found 5/18$822
This Delta deal was found by Cheapflights users on 5/18. 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
Wed 8/1912:00 pm
BIO
-
IAH
2 stops18h 52m
Delta
Deal found 5/18$823
This Delta deal was found by Cheapflights users on 5/20. 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 8/56:36 pm
IAH
-
BIO
2 stops14h 54m
Delta
Wed 8/196:45 am
BIO
-
IAH
2 stops24h 07m
Delta
Deal found 5/20$827
This Delta deal was found by Cheapflights users on 5/17. 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 8/51:13 pm
HOU
-
BIO
2 stops20h 17m
Delta
Fri 8/147:10 am
BIO
-
HOU
2 stops22h 36m
Delta
Deal found 5/17$987

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 May 22, 2026.

Round-trip from

$751
(Finnair)

One-way from

$466
(FlightHub)
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 May 22, 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

Wed 8/5

3:55 pm-9:50 am

1 stop34h 55m

Bilbao

Wed 8/19

12:00 pm-1:20 pm

1 stop32h 20m

$818

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Mon 8/3

3:55 pm-10:00 pm

1 stop23h 05m

Bilbao

Wed 8/19

6:45 am-1:20 pm

1 stop13h 35m

$819

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Wed 8/5

12:12 pm-4:30 pm

2 stops21h 18m

Bilbao

Wed 8/19

6:45 am-1:20 pm

1 stop13h 35m

$822

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Wed 8/5

2:37 pm-4:30 pm

2 stops18h 53m

Bilbao

Fri 8/21

12:00 pm-11:52 pm

2 stops18h 52m

$827

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Mon 8/3

4:52 pm-3:55 pm

2 stops16h 03m

Bilbao

Tue 8/18

10:30 am-8:47 pm

2 stops17h 17m

$867
Quickest round-trip

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Sat 8/1

8:05 am-9:50 am

2 stops18h 45m

Bilbao

Fri 8/21

6:45 am-1:20 pm

1 stop13h 35m

$867

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Sat 8/1

5:05 pm-9:50 am

1 stop33h 45m

Bilbao

Wed 8/19

6:45 am-1:20 pm

1 stop13h 35m

$868

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Wed 8/5

3:55 pm-9:50 am

1 stop34h 55m

Bilbao

Mon 8/17

5:15 pm-1:20 pm

1 stop27h 05m

$899

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Wed 8/5

3:35 pm-10:25 pm

1 stop23h 50m

Bilbao

Mon 8/17

11:10 am-1:35 pm

1 stop33h 25m

$911

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Wed 7/1

11:20 am-11:15 pm

2 stops28h 55m

Bilbao

Tue 7/7

6:45 am-11:59 pm

2 stops24h 14m

$985

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/21

Showing 1-10 of 29 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 and Delta fly from Houston to Bilbao in about 16h 03m. The time it takes to get you to your destination can typically vary by up to 3h 47m. 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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