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$706+ Cheap flights from George Bush Intcntl (IAH) 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.
IAH — BIO
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheap flight deals from George Bush Intcntl to Bilbao

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) 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 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,123
(United Airlines)

One-way from

$706
(Air France)

Popular in

June

Cheapest in

October

Average price

$1,010
Provider with most accurate pricing for Houston George Bush Intcntl-Bilbao flight deals.
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Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Bilbao flights.
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From Houston George Bush Intcntl to Bilbao
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One-way flight from Houston George Bush Intcntl to Bilbao
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Highest demand for flights based on searches. 26% potential increase in price ($400 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($66 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 George Bush Intcntl to Bilbao

Cheapest flights from George Bush Intcntl to Bilbao
Explore the most affordable flight options available from George Bush Intcntl to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

This United Airlines deal was found by Cheapflights users on 4/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/13:35 pmIAH - BIO
1 stop19h 50mUnited Airlines
Wed 6/2512:30 pmBIO - IAH
1 stop15h 20mUnited Airlines
Deal found 4/17$1,123
This Justfly.com deal was found by Cheapflights users on 4/17. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/110:00 amIAH - BIO
2 stops23h 05mAir Canada
Fri 6/276:45 amBIO - IAH
2 stops43h 51mAir Canada
Deal found 4/17$1,124
This FlightHub deal was found by Cheapflights users on 4/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/110:00 amIAH - BIO
2 stops23h 05mMultiple Airlines
Tue 6/246:45 amBIO - IAH
1 stop13h 50mMultiple Airlines
Deal found 4/17$1,137
This Delta deal was found by Cheapflights users on 4/17. 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.
Sat 5/172:44 pmIAH - BIO
2 stops37h 31mDelta
Sat 5/246:50 amBIO - IAH
1 stop13h 25mDelta
Deal found 4/17$1,138
This Gurufare deal was found by Cheapflights users on 4/17. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/13:35 pmIAH - BIO
2 stops19h 15mLufthansa
Fri 6/277:15 amBIO - IAH
1 stop16h 10mLufthansa
Deal found 4/17$1,159
This KLM deal was found by Cheapflights users on 4/17. 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.
Sun 6/13:30 pmIAH - BIO
1 stop24h 15mKLM
Fri 6/276:50 amBIO - IAH
1 stop13h 25mKLM
Deal found 4/17$1,183
This TAP AIR PORTUGAL deal was found by Cheapflights users on 4/17. 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 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
Wed 6/2512:25 pmBIO - IAH
3 stops26h 43mTAP AIR PORTUGAL
Deal found 4/17$2,291
This CrystalTravel deal was found by Cheapflights users on 4/17. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/172:29 pmIAH - BIO
2 stops19h 26mIberia
Sat 6/289:15 amBIO - IAH
2 stops21h 44mIberia
Deal found 4/17$3,463

Cheapflights Fare Finder

Customize your flight search to find flights from George Bush Intcntl 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 17, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Bilbao that are best for you.

Fly from

George Bush Intcntl

Fly to

Bilbao

Route

Depart

Return

Price

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Sun 6/1

3:35 pm-6:25 pm

1 stop19h 50m

Bilbao

Wed 6/25

12:30 pm-8:50 pm

1 stop15h 20m

$1,123

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Sun 6/1

10:00 am-4:05 pm

2 stops23h 05m

Bilbao

Fri 6/27

6:45 am-7:36 pm

2 stops43h 51m

$1,124

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Sun 6/1

10:00 am-4:05 pm

2 stops23h 05m

Bilbao

Tue 6/24

6:45 am-1:35 pm

1 stop13h 50m

$1,137

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Sat 5/17

2:44 pm-11:15 am

2 stops37h 31m

Bilbao

Sat 5/24

6:50 am-1:15 pm

1 stop13h 25m

$1,138

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Sun 6/1

3:35 pm-5:50 pm

2 stops19h 15m

Bilbao

Fri 6/27

7:15 am-4:25 pm

1 stop16h 10m

$1,159

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Sun 6/1

3:30 pm-10:45 pm

1 stop24h 15m

Bilbao

Fri 6/27

6:50 am-1:15 pm

1 stop13h 25m

$1,183

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Sun 6/1

7:05 pm-6:00 pm

2 stops39h 55m

Bilbao

Wed 6/25

12:25 pm-8:08 am

3 stops26h 43m

$2,291

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Tue 6/17

2:29 pm-4:55 pm

2 stops19h 26m

Bilbao

Sat 6/28

9:15 am-11:59 pm

2 stops21h 44m

$3,463

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Tue 5/20

3:50 pm-4:40 pm

1 stop17h 50m

$706

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Tue 5/20

2:30 pm-4:40 pm

2 stops19h 10m

$711

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Compare providers for flights from George Bush Intcntl to Bilbao

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from George Bush Intcntl to Bilbao in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-Bilbao flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Houston George Bush Intcntl Airport-Bilbao flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Bilbao flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Bilbao flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston George Bush Intcntl Airport-Bilbao flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from George Bush Intcntl to Bilbao

Have a flexible travel schedule? Discover the best time to fly to Bilbao from George Bush Intcntl 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 George Bush Intcntl Airport to Bilbao

What is the cheapest time of day to fly from IAH to BIO?

Find hourly flight availability from George Bush Intcntl 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 17, 2025.

It’s typically best to fly out from Houston George Bush Intcntl Airport to Bilbao at noon. Doing so could potentially save you 1% on the flight price compared to flying in the morning, which is usually more expensive.

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 17, 2025.
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7,916 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
1,327 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7.5
Good
1,435 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
8,667 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
3,769 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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 George Bush Intcntl 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 George Bush Intcntl?

    For a flight from Houston George Bush Intcntl to Bilbao, you will be flying into Bilbao. Bilbao (BIO) is just 3.0 mi from the center of the city. Bilbao is the only Bilbao airport and it handles 0 inbound flights from Houston George Bush Intcntl per day. 3 airlines have flights to Bilbao from Houston George Bush Intcntl on a regular basis.

  • What are the cheapest airlines flying from Houston George Bush Intcntl Airport to Bilbao round-trip?

    Our cheapest airline available from Houston George Bush Intcntl Airport to Bilbao is United Airlines. Our recent data shows that you can find tickets from as low as $1,123 on this airline. Additional options worth looking into are Air Canada and Lufthansa, starting at $1,125 and $1,159 round-trip.

  • Can I find deals for flights from George Bush Intcntl to Bilbao that include hotel bookings?

    Yes. In addition to deals on George Bush Intcntl to Bilbao flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from George Bush Intcntl to Bilbao?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from George Bush Intcntl to Bilbao.

  • Can I find deals for business class flights from George Bush Intcntl to Bilbao?

    Yes. Cheapflights offers flight deals from George Bush Intcntl 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 George Bush Intcntl Airport to Bilbao?

    Currently, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Bilbao (average of $541). Flying from Houston George Bush Intcntl Airport 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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Alternative routes for George Bush Intcntl to Bilbao

See prices for flight routes from nearby airports that may be better suited for you.
Hobby to Bilbao flights
George Bush Intcntl to San Sebastian flights

Top 3 airlines flying from George Bush Intcntl to Bilbao

Discover the top 3 airlines that operate flights from George Bush Intcntl 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 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$621Average$968FlexibilityNo cancel feeOn-time76%
KLMCheapest$734Average$1,320FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$802Average$1,110FlexibilityNo cancel feeOn-time69%

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