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$374+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — BIO
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
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 April 1, 2025.

Round-trip from

$749
(Mytrip)

One-way from

$374
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,038
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. 20% potential increase in price ($262 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($82 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 April 1, 2025.

This Mytrip deal was found by Cheapflights users on 3/31. 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.
Wed 9/175:30 amIAH - BIO
3 stops30h 35mMultiple Airlines
Sat 9/277:00 amBIO - IAH
3 stops37h 22mMultiple Airlines
Deal found 3/31$749
This United Airlines deal was found by Cheapflights users on 3/31. 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 9/176:20 pmIAH - BIO
1 stop21h 05mUnited Airlines
Sat 9/276:45 amBIO - IAH
2 stops20h 02mUnited Airlines
Deal found 3/31$858
This Expedia deal was found by Cheapflights users on 3/31. 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.
Fri 9/124:22 pmIAH - BIO
2 stops17h 33mIberia
Sat 9/279:15 amBIO - IAH
2 stops21h 24mIberia
Deal found 3/31$956
This Expedia deal was found by Cheapflights users on 3/31. 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.
Fri 9/126:41 pmHOU - BIO
2 stops15h 14mIberia
Sat 9/279:15 amBIO - HOU
2 stops21h 32mIberia
Deal found 3/31$1,037
This Orbitz deal was found by Cheapflights users on 3/31. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/243:35 pmIAH - BIO
1 stop19h 45mLufthansa
Mon 8/117:10 pmBIO - IAH
1 stop25h 25mLufthansa
Deal found 3/31$1,049
This Air Canada deal was found by Cheapflights users on 4/1. 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.
Sun 6/110:07 amIAH - BIO
2 stops20h 18mAir Canada
Tue 6/242:10 pmBIO - IAH
2 stops36h 26mAir Canada
Deal found 4/1$1,125
This KLM deal was found by Cheapflights users on 3/31. 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.
Fri 9/123:50 pmIAH - BIO
1 stop23h 10mKLM
Sat 9/276:50 amBIO - IAH
1 stop13h 25mKLM
Deal found 3/31$1,196
This Expedia deal was found by Cheapflights users on 3/31. 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.
Sun 6/18:16 pmHOU - BIO
2 stops33h 29mMultiple Airlines
Sun 6/89:15 amBIO - HOU
2 stops17h 38mMultiple Airlines
Deal found 3/31$1,256
This TAP AIR PORTUGAL deal was found by Cheapflights users on 3/31. 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.
Sun 6/17:05 pmIAH - BIO
2 stops39h 55mTAP AIR PORTUGAL
Fri 6/2712:15 pmBIO - IAH
3 stops26h 53mTAP AIR PORTUGAL
Deal found 3/31$1,997
This Delta deal was found by Cheapflights users on 3/31. 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.
Fri 5/236:00 amHOU - BIO
2 stops21h 25mDelta
Sat 5/316:50 amBIO - HOU
2 stops21h 27mDelta
Deal found 3/31$2,314
This Justfly.com deal was found by Cheapflights users on 3/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/289:00 pmIAH - BIO
1 stop31h 05mTurkish Airlines
Sun 6/86:30 pmBIO - IAH
1 stop25h 10mTurkish Airlines
Deal found 3/30$4,091

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 April 1, 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

Wed 9/17

5:30 am-7:05 pm

3 stops30h 35m

Bilbao

Sat 9/27

7:00 am-1:22 pm

3 stops37h 22m

$749

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Wed 9/17

6:20 pm-10:25 pm

1 stop21h 05m

Bilbao

Sat 9/27

6:45 am-7:47 pm

2 stops20h 02m

$858

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Fri 9/12

4:22 pm-4:55 pm

2 stops17h 33m

Bilbao

Sat 9/27

9:15 am-11:39 pm

2 stops21h 24m

$956

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Thu 7/24

3:35 pm-6:20 pm

1 stop19h 45m

Bilbao

Mon 8/11

7:10 pm-1:35 pm

1 stop25h 25m

$1,049

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Sun 6/1

10:07 am-1:25 pm

2 stops20h 18m

Bilbao

Tue 6/24

2:10 pm-7:36 pm

2 stops36h 26m

$1,125

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Fri 9/12

3:50 pm-10:00 pm

1 stop23h 10m

Bilbao

Sat 9/27

6:50 am-1:15 pm

1 stop13h 25m

$1,196

HoustonBilbao

HOU - BIO

HOUBIO

Houston Hobby

Sun 6/1

8:16 pm-12:45 pm

2 stops33h 29m

Bilbao

Sun 6/8

9:15 am-7:53 pm

2 stops17h 38m

$1,256

HoustonBilbao

HOU - BIO

HOUBIO

Houston Hobby

Tue 6/3

6:31 pm-6:50 pm

2 stops17h 19m

Bilbao

Tue 6/10

9:15 am-11:48 pm

2 stops21h 33m

$1,281

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Sun 6/1

7:05 pm-6:00 pm

2 stops39h 55m

Bilbao

Fri 6/27

12:15 pm-8:08 am

3 stops26h 53m

$1,997

HoustonBilbao

HOU - BIO

HOUBIO

Houston Hobby

Fri 5/23

6:00 am-10:25 am

2 stops21h 25m

Bilbao

Sat 5/31

6:50 am-9:17 pm

2 stops21h 27m

$2,314

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 19 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 April 1, 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 April 1, 2025.
Delta
8.0
Very good
7,898 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

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
7,898 reviews
Delta
8.0
Very good
7,898 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

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
1,323 reviews
Delta
8.0
Very good
7,898 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

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
8,615 reviews
Delta
8.0
Very good
7,898 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

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
3,748 reviews
Delta
8.0
Very good
7,898 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

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.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,898 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

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 3 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 United Airlines. Our recent data shows that you can find tickets from as low as $858 on this airline. Additional options worth looking into are Iberia and Lufthansa, starting at $956 and $1,049 round-trip. You may be able to fly from Houston to Bilbao for 16% less than the average price by searching for these airlines.

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

    $621 is the cheapest one-way deal found within the past few days, from Aer Lingus. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $622 and $626, 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 3 airlines flying from Houston to Bilbao

Discover the top 3 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 April 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$734Average$1,320FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$742Average$1,557FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$802Average$1,297FlexibilityNo cancel feeOn-time69%

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