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$472+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — BIO
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,231
(Iberia)

One-way from

$472
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$802
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 ($406 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($59 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This Iberia deal was found by Cheapflights users on 3/27. 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.
Sun 6/16:29 pmIAH - BIO
2 stops19h 21mIberia
Tue 6/249:15 amBIO - IAH
2 stops21h 16mIberia
Deal found 3/27$1,231
This FlightHub deal was found by Cheapflights users on 3/26. 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.
Fri 6/279:00 pmIAH - BIO
1 stop37h 25mTurkish Airlines
Sun 7/66:30 pmBIO - IAH
1 stop25h 10mTurkish Airlines
Deal found 3/26$1,377
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/275:00 amIAH - BIO
2 stops23h 30mMultiple Airlines
Sun 7/66:30 pmBIO - IAH
1 stop25h 10mMultiple Airlines
Deal found 3/26$1,442
This United deal was found by Cheapflights users on 3/27. 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.
Sun 6/13:35 pmIAH - BIO
1 stop19h 50mUnited Airlines
Tue 6/246:45 amBIO - IAH
2 stops19h 51mUnited Airlines
Deal found 3/27$1,518
This Gurufare deal was found by Cheapflights users on 3/27. 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
1 stop14h 50mLufthansa
Wed 6/256:45 amBIO - IAH
1 stop13h 50mLufthansa
Deal found 3/27$1,520
This Air Canada deal was found by Cheapflights users on 3/26. 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 6/110:00 amIAH - BIO
2 stops20h 25mAir Canada
Fri 6/276:45 amBIO - IAH
2 stops22h 22mAir Canada
Deal found 3/26$1,525
This TAP AIR PORTUGAL deal was found by Cheapflights users on 3/27. 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 3/27$2,459

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 March 28, 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

6:29 pm-8:50 pm

2 stops19h 21m

Bilbao

Tue 6/24

9:15 am-11:31 pm

2 stops21h 16m

$1,231

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Fri 6/27

9:00 pm-5:25 pm

1 stop37h 25m

Bilbao

Sun 7/6

6:30 pm-12:40 pm

1 stop25h 10m

$1,377

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Fri 6/27

5:00 am-11:30 am

2 stops23h 30m

Bilbao

Sun 7/6

6:30 pm-12:40 pm

1 stop25h 10m

$1,442

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Sun 6/1

3:35 pm-6:25 pm

1 stop19h 50m

Bilbao

Tue 6/24

6:45 am-7:36 pm

2 stops19h 51m

$1,518

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Sun 6/1

3:35 pm-1:25 pm

1 stop14h 50m

Bilbao

Wed 6/25

6:45 am-1:35 pm

1 stop13h 50m

$1,520

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Sun 6/1

10:00 am-1:25 pm

2 stops20h 25m

Bilbao

Fri 6/27

6:45 am-10:07 pm

2 stops22h 22m

$1,525

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

$2,459

HoustonBilbao

IAH - BIO

IAHBIO

Houston George Bush Intcntl

Sun 8/31

8:00 am-6:35 pm

3 stops51h 35m

$472

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Houston George Bush Intcntl Airport-Bilbao flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 March 28, 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 March 28, 2025.
United Airlines
7.4
Good
8,603 reviews

Boarding

7.7

Entertainment

7.0

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,603 reviews
United Airlines
7.4
Good
8,603 reviews

Boarding

7.7

Entertainment

7.0

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Turkish Airlines
7.3
Good
3,744 reviews
United Airlines
7.4
Good
8,603 reviews

Boarding

7.7

Entertainment

7.0

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
TAP AIR PORTUGAL
7.1
Good
1,827 reviews
United Airlines
7.4
Good
8,603 reviews

Boarding

7.7

Entertainment

7.0

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.0
Good
8,981 reviews
United Airlines
7.4
Good
8,603 reviews

Boarding

7.7

Entertainment

7.0

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Iberia
7.0
Good
2,651 reviews
United Airlines
7.4
Good
8,603 reviews

Boarding

7.7

Entertainment

7.0

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 Iberia. Our recent data shows that you can find tickets from as low as $1,231 on this airline. Additional options worth looking into are Turkish Airlines and United Airlines, starting at $1,377 and $1,518 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$734Average$1,320FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$742Average$1,557FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$802Average$1,149FlexibilityNo cancel feeOn-time69%
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