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Bilbao

$362+ 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — BIO
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$594
(FlightHub)

One-way from

$362
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,089
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. 24% potential increase in price ($359 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($75 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This FlightHub deal was found by Cheapflights users on 7/2. 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.
Mon 9/293:35 pmIAH - BIO
1 stop14h 45mLufthansa
Tue 10/76:45 amBIO - IAH
1 stop13h 50mLufthansa
Deal found 7/2$594
This Air Canada deal was found by Cheapflights users on 7/3. 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.
Mon 9/2910:00 amIAH - BIO
2 stops23h 05mAir Canada
Tue 10/76:45 amBIO - IAH
2 stops22h 29mAir Canada
Deal found 7/3$603
This Iberia deal was found by Cheapflights users on 7/1. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/296:35 pmIAH - BIO
2 stops15h 20mIberia
Tue 10/71:30 pmBIO - IAH
2 stops17h 05mIberia
Deal found 7/1$604
This United Airlines deal was found by Cheapflights users on 6/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/124:50 pmIAH - BIO
1 stop23h 15mUnited Airlines
Sun 11/166:40 amBIO - IAH
2 stops21h 10mUnited Airlines
Deal found 6/30$651
This Delta deal was found by Cheapflights users on 7/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/124:05 pmIAH - BIO
1 stop12h 25mDelta
Sun 11/166:50 amBIO - IAH
1 stop13h 40mDelta
Deal found 7/1$670
This KLM deal was found by Cheapflights users on 7/2. 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.
Wed 11/121:00 pmHOU - BIO
2 stops15h 30mKLM
Sun 11/168:30 amBIO - HOU
2 stops20h 10mKLM
Deal found 7/2$710
This Mytrip deal was found by Cheapflights users on 7/2. 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.
Sat 8/166:40 amIAH - BIO
3 stops28h 25mMultiple Airlines
Sat 8/236:35 pmBIO - IAH
2 stops35h 54mMultiple Airlines
Deal found 7/2$719
This American Airlines deal was found by Cheapflights users on 7/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/294:28 pmHOU - BIO
2 stops17h 27mAmerican Airlines
Tue 10/79:15 amBIO - HOU
2 stops19h 59mAmerican Airlines
Deal found 7/1$779
This Air France deal was found by Cheapflights users on 7/2. 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.
Fri 8/293:50 pmIAH - BIO
1 stop23h 10mAir France
Sat 9/137:10 amBIO - IAH
1 stop13h 25mAir France
Deal found 7/2$972
This Delta deal was found by Cheapflights users on 7/2. 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.
Sat 8/1610:22 amHOU - BIO
2 stops17h 33mDelta
Sat 8/237:10 amBIO - HOU
2 stops22h 21mDelta
Deal found 7/2$985
This Travelocity deal was found by Cheapflights users on 6/30. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/172:29 pmHOU - BIO
2 stops19h 26mIberia
Wed 7/239:35 pmBIO - HOU
2 stops29h 18mIberia
Deal found 6/30$1,385
This Turkish Airlines deal was found by Cheapflights users on 7/1. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/109:00 pmIAH - BIO
1 stop31h 05mTurkish Airlines
Sun 7/206:30 pmBIO - IAH
1 stop25h 10mTurkish Airlines
Deal found 7/1$1,693

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 3, 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

Mon 9/29

3:35 pm-1:20 pm

1 stop14h 45m

Bilbao

Tue 10/7

6:45 am-1:35 pm

1 stop13h 50m

$594

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Mon 9/29

10:00 am-4:05 pm

2 stops23h 05m

Bilbao

Tue 10/7

6:45 am-10:14 pm

2 stops22h 29m

$603

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Mon 9/29

6:35 pm-4:55 pm

2 stops15h 20m

Bilbao

Tue 10/7

1:30 pm-11:35 pm

2 stops17h 05m

$604

HoustonBilbao

HOU - BIO

HOUBIO

Houston Hobby

Wed 11/12

1:00 pm-11:30 am

2 stops15h 30m

Bilbao

Sun 11/16

8:30 am-9:40 pm

2 stops20h 10m

$710

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Sat 8/16

6:40 am-6:05 pm

3 stops28h 25m

Bilbao

Sat 8/23

6:35 pm-11:29 pm

2 stops35h 54m

$719

HoustonBilbao

HOU - BIO

HOUBIO

Houston Hobby

Mon 9/29

4:28 pm-4:55 pm

2 stops17h 27m

Bilbao

Tue 10/7

9:15 am-10:14 pm

2 stops19h 59m

$779

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Sat 8/16

1:43 pm-10:45 am

1 stop14h 02m

Bilbao

Sat 8/23

6:45 am-1:35 pm

1 stop13h 50m

$888

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Fri 8/29

3:50 pm-10:00 pm

1 stop23h 10m

Bilbao

Sat 9/13

7:10 am-1:35 pm

1 stop13h 25m

$972

HoustonBilbao

HOU - BIO

HOUBIO

Houston Hobby

Sat 8/16

10:22 am-10:55 am

2 stops17h 33m

Bilbao

Sat 8/23

7:10 am-10:31 pm

2 stops22h 21m

$985

HoustonBilbao

HOU - BIO

HOUBIO

Houston Hobby

Thu 7/17

2:29 pm-4:55 pm

2 stops19h 26m

Bilbao

Wed 7/23

9:35 pm-7:53 pm

2 stops29h 18m

$1,385

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 16 results
1
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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

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 July 3, 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.

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 3, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, and Air France 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.
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,367 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,465 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Turkish Airlines
7.3
Good
3,895 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 Lufthansa. Our recent data shows that you can find tickets from as low as $594 on this airline. Additional options worth looking into are Air Canada and Iberia, starting at $603 and $604 round-trip. You may be able to fly from Houston to Bilbao for 45% less than the average price by searching for these airlines.

  • 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 $1,142). 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

Browse thousands of different options on Cheapflights for your next trip

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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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$621Average$880FlexibilityNo cancel feeOn-time76%
KLMCheapest$695Average$1,323FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$802Average$1,277FlexibilityNo cancel feeOn-time69%
DeltaCheapest$868Average$955FlexibilityNo cancel feeOn-timeN/A

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