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$722+ 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — BIO
may. 4 — may. 111
dom. 5/4
dom. 5/11
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 abril 29, 2025.

Round-trip from

$868
(KLM)

One-way from

$722
(Air France)

Popular in

June

Cheapest in

February

Average price

$1,068
From Houston to Bilbao
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One-way flight from Houston to Bilbao
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Highest demand for flights based on searches. 30% potential increase in price ($484 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($67 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 abril 29, 2025.

This KLM deal was found by Cheapflights users on 4/29. 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. 8/223:50 pmIAH - BIO
1 stop12h 05mKLM
lun. 9/15:15 pmBIO - IAH
1 stop27h 00mKLM
Deal found 4/29$868
This United deal was found by Cheapflights users on 4/29. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/229:34 pmIAH - BIO
2 stops30h 11mMultiple Airlines
lun. 9/12:10 pmBIO - IAH
1 stop30h 25mMultiple Airlines
Deal found 4/29$884
This United Airlines deal was found by Cheapflights users on 4/29. 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.
vie. 8/227:50 pmIAH - BIO
2 stops31h 55mUnited Airlines
lun. 9/12:10 pmBIO - IAH
2 stops37h 35mUnited Airlines
Deal found 4/29$903
This Expedia deal was found by Cheapflights users on 4/28. 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. 8/26:40 pmIAH - BIO
2 stops16h 40mLufthansa
dom. 8/176:35 pmBIO - IAH
2 stops50h 00mLufthansa
Deal found 4/28$1,011
This Air Canada deal was found by Cheapflights users on 4/28. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/112:05 pmIAH - BIO
2 stops16h 00mAir Canada
vie. 6/272:10 pmBIO - IAH
2 stops36h 26mAir Canada
Deal found 4/28$1,126
This Delta deal was found by Cheapflights users on 4/29. 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. 8/226:00 amHOU - BIO
2 stops21h 55mDelta
lun. 9/16:50 amBIO - HOU
2 stops21h 45mDelta
Deal found 4/29$1,128
This Delta deal was found by Cheapflights users on 4/29. 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.
dom. 5/257:05 amIAH - BIO
2 stops20h 20mDelta
mar. 6/36:50 amBIO - IAH
1 stop13h 25mDelta
Deal found 4/29$1,132
This FlightHub deal was found by Cheapflights users on 4/28. 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.
mié. 4/302:25 pmIAH - BIO
1 stop37h 40mTurkish Airlines
mié. 5/76:25 pmBIO - IAH
1 stop31h 40mTurkish Airlines
Deal found 4/28$1,463
This Expedia deal was found by Cheapflights users on 4/29. 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.
dom. 5/186:31 pmHOU - BIO
2 stops19h 19mIberia
mié. 5/211:30 pmBIO - HOU
2 stops17h 28mIberia
Deal found 4/29$1,783
This TAP AIR PORTUGAL deal was found by Cheapflights users on 4/28. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/17:05 pmIAH - BIO
2 stops39h 55mTAP AIR PORTUGAL
vie. 6/2712:15 pmBIO - IAH
3 stops26h 53mTAP AIR PORTUGAL
Deal found 4/28$2,002
This Air France deal was found by Cheapflights users on 4/29. 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.
vie. 5/236:42 pmHOU - BIO
2 stops14h 48mMultiple Airlines
sáb. 5/317:10 amBIO - HOU
2 stops17h 47mMultiple Airlines
Deal found 4/29$2,044
This AranGrant deal was found by Cheapflights users on 4/28. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/256:28 pmIAH - BIO
2 stops21h 47mIberia
dom. 7/69:35 pmBIO - IAH
2 stops28h 40mIberia
Deal found 4/28$4,183

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 abril 29, 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

vie. 8/22

3:50 pm-10:55 am

1 stop12h 05m

Bilbao

lun. 9/1

5:15 pm-1:15 pm

1 stop27h 00m

$868

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

vie. 8/22

9:34 pm-10:45 am

2 stops30h 11m

Bilbao

lun. 9/1

2:10 pm-1:35 pm

1 stop30h 25m

$884

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

vie. 8/22

7:50 pm-10:45 am

2 stops31h 55m

Bilbao

lun. 9/1

2:10 pm-8:45 pm

2 stops37h 35m

$903

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

sáb. 8/2

6:40 pm-6:20 pm

2 stops16h 40m

Bilbao

dom. 8/17

6:35 pm-1:35 pm

2 stops50h 00m

$1,011

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

dom. 6/1

12:05 pm-11:05 am

2 stops16h 00m

Bilbao

vie. 6/27

2:10 pm-7:36 pm

2 stops36h 26m

$1,126

HoustonBilbao

HOU - BIO

HOUBIO

Houston Hobby

vie. 8/22

6:00 am-10:55 am

2 stops21h 55m

Bilbao

lun. 9/1

6:50 am-9:35 pm

2 stops21h 45m

$1,128

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

dom. 5/25

7:05 am-10:25 am

2 stops20h 20m

Bilbao

mar. 6/3

6:50 am-1:15 pm

1 stop13h 25m

$1,132

HoustonBilbao

HOU - BIO

HOUBIO

Houston Hobby

dom. 5/18

6:31 pm-8:50 pm

2 stops19h 19m

Bilbao

mié. 5/21

1:30 pm-11:58 pm

2 stops17h 28m

$1,783

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

dom. 6/1

7:05 pm-6:00 pm

2 stops39h 55m

Bilbao

vie. 6/27

12:15 pm-8:08 am

3 stops26h 53m

$2,002

HoustonBilbao

HOU - BIO

HOUBIO

Houston Hobby

vie. 5/23

6:42 pm-4:30 pm

2 stops14h 48m

Bilbao

sáb. 5/31

7:10 am-5:57 pm

2 stops17h 47m

$2,044

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 16 results
1
2

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 abril 29, 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 at noon, which can drop the price by up to 29% versus a flight in the morning.

Rainfall in Bilbao by month

Plan your trip to Bilbao by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Bilbao ranges from 2.4 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Bilbao when rainfall is around 2.4 in.

Temperature in Bilbao by month

Plan your trip to Bilbao by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Bilbao, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 abril 29, 2025.
See what other customers who have flown with Delta, KLM and Air France from Houston to Bilbao have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Turkish Airlines
7.3
Good
3,788 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 4 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.

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

    Our cheapest airline available from Houston to Bilbao is KLM. Our recent data shows that you can find tickets from as low as $868 on this airline. Additional options worth looking into are United Airlines and Lufthansa, starting at $903 and $1,011 round-trip. You may be able to fly from Houston to Bilbao for 22% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Houston to Bilbao one-way?

    $722 is the cheapest one-way deal found within the past few days, from Air France. You may also be able to find cheap deals on Delta and Air Canada, with prices starting from $726 and $729, respectively.

  • 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.

  • What is the cheapest month to book a flight from Houston to Bilbao?

    Currently, January is the cheapest month in which you can book a flight from Houston to Bilbao (average of $541). Flying from Houston to Bilbao in June is currently the most expensive (average of $1,178). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 4 airlines flying from Houston to Bilbao

Discover the top 4 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 abril 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$621Average$922FlexibilityNo cancel feeOn-time76%
KLMCheapest$734Average$1,396FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$802Average$1,277FlexibilityNo cancel feeOn-time69%
DeltaCheapest$868Average$955FlexibilityNo cancel feeOn-timeN/A

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