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Bilbao

$739+ Cheap flights from Houston to Bilbao (BIO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — BIO
Aug 17 — Aug 241
Mon 8/17
Mon 8/24
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 July 18, 2026.

This United Airlines deal was found by Cheapflights users on 7/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:50 pm
IAH
-
BIO
1 stop15h 10m
United Airlines
Thu 11/196:45 am
BIO
-
IAH
1 stop14h 15m
United Airlines
Deal found 7/14$739
This United Airlines deal was found by Cheapflights users on 7/15. 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.
Mon 12/74:30 pm
IAH
-
BIO
2 stops37h 20m
United Airlines
Fri 12/116:45 am
BIO
-
IAH
1 stop14h 15m
United Airlines
Deal found 7/15$743
This United Airlines deal was found by Cheapflights users on 7/15. 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.
Mon 11/97:30 am
IAH
-
BIO
2 stops22h 20m
United Airlines
Wed 11/117:25 am
BIO
-
IAH
2 stops34h 28m
United Airlines
Deal found 7/15$763
This Gotogate deal was found by Cheapflights users on 7/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/410:00 am
IAH
-
BIO
2 stops16h 25m
Multiple Airlines
Wed 10/146:50 am
BIO
-
IAH
2 stops22h 02m
Multiple Airlines
Deal found 7/15$767
This Gotogate deal was found by Cheapflights users on 7/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/73:35 pm
IAH
-
BIO
1 stop23h 50m
Multiple Airlines
Wed 10/216:50 am
BIO
-
IAH
2 stops22h 02m
Multiple Airlines
Deal found 7/15$781
This Delta deal was found by Cheapflights users on 7/15. 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 10/43:55 pm
IAH
-
BIO
1 stop18h 35m
Delta
Wed 10/146:45 am
BIO
-
IAH
1 stop13h 35m
Delta
Deal found 7/15$786
This United Airlines deal was found by Cheapflights users on 7/15. 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 10/74:40 pm
IAH
-
BIO
1 stop23h 45m
United Airlines
Wed 10/216:50 am
BIO
-
IAH
1 stop18h 00m
United Airlines
Deal found 7/15$787
This Gotogate deal was found by Cheapflights users on 7/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/63:35 pm
IAH
-
BIO
1 stop14h 45m
Multiple Airlines
Wed 9/166:50 am
BIO
-
IAH
2 stops22h 02m
Multiple Airlines
Deal found 7/15$806
This FlightHub deal was found by Cheapflights users on 7/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/41:56 pm
HOU
-
BIO
2 stops15h 49m
British Airways
Wed 10/141:30 pm
BIO
-
HOU
2 stops17h 19m
British Airways
Deal found 7/15$1,003
This KLM deal was found by Cheapflights users on 7/17. 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.
Mon 7/275:17 pm
HOU
-
BIO
2 stops15h 38m
KLM
Thu 8/610:30 am
BIO
-
HOU
2 stops18h 35m
KLM
Deal found 7/17$1,032
This Air France deal was found by Cheapflights users on 7/17. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/111:00 am
HOU
-
BIO
2 stops15h 50m
Air France
Mon 8/3110:30 am
BIO
-
HOU
2 stops18h 35m
Air France
Deal found 7/17$1,044
This Delta deal was found by Cheapflights users on 7/15. 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 7/276:00 am
HOU
-
BIO
2 stops20h 50m
Delta
Thu 8/67:10 am
BIO
-
HOU
2 stops21h 55m
Delta
Deal found 7/15$1,051

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 July 18, 2026.

Round-trip from

$739
(United Airlines)
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 July 18, 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 12/7

4:30 pm-12:50 pm

2 stops37h 20m

Bilbao

Fri 12/11

6:45 am-2:00 pm

1 stop14h 15m

$743

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Mon 11/9

7:30 am-12:50 pm

2 stops22h 20m

Bilbao

Wed 11/11

7:25 am-10:53 am

2 stops34h 28m

$763

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Tue 11/17

10:55 am-12:50 pm

2 stops18h 55m

Bilbao

Thu 11/19

6:45 am-10:43 pm

2 stops22h 58m

$775
Quickest round-trip

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Sun 10/4

3:55 pm-5:30 pm

1 stop18h 35m

Bilbao

Wed 10/14

6:45 am-1:20 pm

1 stop13h 35m

$786

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Sat 8/1

6:25 pm-11:10 am

2 stops33h 45m

Bilbao

Mon 8/31

2:10 pm-5:55 pm

1 stop34h 45m

$953

HoustonBilbao

HOU - BIO

HOUBIO

Houston Hobby

Sat 8/1

11:00 am-9:50 am

2 stops15h 50m

Bilbao

Mon 8/31

10:30 am-10:05 pm

2 stops18h 35m

$1,044

HoustonBilbao

HOU - BIO

HOUBIO

Houston Hobby

Mon 11/9

12:15 pm-12:50 pm

2 stops17h 35m

Bilbao

Wed 11/11

9:35 pm-3:54 pm

2 stops25h 19m

$1,335

HoustonBilbao

HOU - BIO

HOUBIO

Houston Hobby

Mon 12/7

12:16 pm-12:50 pm

2 stops17h 34m

Bilbao

Fri 12/11

9:15 am-7:47 pm

2 stops17h 32m

$2,266

HoustonBilbao

HOU - BIO

HOUBIO

Houston Hobby

Wed 8/26

6:14 pm-4:55 pm

2 stops15h 41m

Bilbao

Thu 9/3

6:45 am-7:44 pm

2 stops19h 59m

$5,364

HoustonBilbao

HOU - BIO

HOUBIO

Houston Hobby

Wed 8/26

5:20 pm-4:30 pm

2 stops16h 10m

Bilbao

Fri 9/4

7:10 am-4:25 pm

2 stops16h 15m

$6,373

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/15

Sorted by cheapest first

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 July 18, 2026.
Peruse reviews from past customers who have flown with 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.
United Airlines
7.4
Good
10,006 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Boarding

7.7

Food

6.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
10,006 reviews
United Airlines
7.4
Good
10,006 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Boarding

7.7

Food

6.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 1 airline has 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 United Airlines, Air France, and British Airways fly from Houston to Bilbao in about 15h 50m. The time it takes to get you to your destination can typically vary by up to 21h 30m. There are 4954 mi between Houston and Bilbao. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly 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 $699 on this airline.

  • 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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Alternative routes for Houston to Bilbao

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Houston to Bilbao

Discover the top airline 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 July 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$699Average$1,319FlexibilityNo cancel feeOn-time69%

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