What are the cheapest airlines to fly from Spain to Houston George Bush Intcntl Airport one-way?

For one-way options, check prices for Aer Lingus. According to our data, you can fly for as low as $658. Users have also found prices from $680 and $705 on Turkish Airlines and Lufthansa, respectively.

In terms of precipitation, rainfall in Houston George Bush Intcntl Airport ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston George Bush Intcntl Airport when rainfall is around 3.2 in.

If weather is an important factor for your trip to Houston George Bush Intcntl Airport, 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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

What are the most popular routes from Spain to Houston George Bush Intcntl Airport?

Most travelers choose Madrid Barajas - Houston George Bush Intcntl, Barcelona-El Prat - Houston George Bush Intcntl or Valencia - Houston George Bush Intcntl when deciding on the best route from Spain to Houston George Bush Intcntl Airport.

What are the most popular airlines that fly from Spain to Houston George Bush Intcntl Airport?

Delta, Iberia and United Airlines are the most popular airlines when flying from Spain to Houston George Bush Intcntl Airport.

How far in advance should I book a flight from Spain to Houston George Bush Intcntl Airport?

To save on the cost of your flight from Spain to Houston George Bush Intcntl Airport, book at least 36 days before your planned departure. Booking around this time can save you about 92% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $668 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,228.

What is the cheapest month to fly from Spain to Houston George Bush Intcntl Airport?

March is one of the best times of the year to fly to Houston George Bush Intcntl Airport from Spain. Prices for March average $816 per person but you can even find prices for as low as $595. The most expensive prices can be found in the month of December. Opting for a March flight can save you 17% on your journey compared to booking in December

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

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

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

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

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

Yes. Cheapflights offers flight deals from Spain to George Bush Intcntl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$825+ Flights from Spain to Houston George Bush Intcntl Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Spain to George Bush Intcntl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Spain to George Bush Intcntl

Round-trip from	$670 (Mytrip)
One-way from	$376 (Kiwi.com)
Popular in	December
Cheapest in	March
Average price	$928

From Spain to Houston George Bush Intcntl

Search Deals

One-way flight from Spain to Houston George Bush Intcntl

Search Deals

Highest demand for flights based on searches. 2% potential increase in price ($17 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Find flight deals from Spain to George Bush Intcntl

Cheapest flights from Spain to George Bush Intcntl
Explore the most affordable flight options available from Spain to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Thu 10/27:40 amMAD - IAH

3 stops32h 20mMultiple Airlines

Wed 10/155:00 amIAH - MAD

2 stops22h 15mMultiple Airlines

Deal found 7/1

$670

Tue 9/96:25 amVLC - IAH

2 stops29h 25mMultiple Airlines

Fri 9/127:35 amIAH - VLC

3 stops34h 30mMultiple Airlines

Deal found 7/1

$704

Thu 9/47:00 amAGP - IAH

2 stops31h 59mMultiple Airlines

Wed 9/245:30 amIAH - AGP

2 stops36h 00mMultiple Airlines

Deal found 7/1

$723

Thu 10/21:30 pmMAD - IAH

1 stop31h 13mJetBlue

Wed 10/152:39 pmIAH - MAD

1 stop13h 51mJetBlue

Deal found 7/1

$743

Mon 9/223:00 pmBCN - IAH

2 stops27h 42mMultiple Airlines

Fri 9/266:00 amIAH - BCN

2 stops34h 10mMultiple Airlines

Deal found 7/1

$778

Thu 12/256:50 amBIO - IAH

1 stop13h 40mMultiple Airlines

Mon 1/124:05 pmIAH - BIO

1 stop12h 25mMultiple Airlines

Deal found 6/30

$788

Thu 12/256:50 amBIO - IAH

1 stop13h 40mDelta

Mon 1/1210:45 amIAH - BIO

2 stops17h 45mDelta

Deal found 6/30

$789

Mon 8/256:05 pmBCN - IAH

1 stop26h 35mBritish Airways

Mon 9/83:30 pmIAH - BCN

1 stop17h 50mBritish Airways

Deal found 6/30

$791

Thu 9/45:55 amAGP - IAH

1 stop14h 40mLufthansa

Wed 9/243:35 pmIAH - AGP

1 stop13h 50mLufthansa

Deal found 7/1

$794

Mon 9/110:00 amMAD - IAH

1 stop17h 50mBritish Airways

Tue 9/309:00 pmIAH - MAD

1 stop13h 30mBritish Airways

Deal found 7/1

$796

Fri 10/315:50 amBCN - IAH

2 stops21h 49mAir Canada

Thu 11/1311:50 amIAH - BCN

1 stop14h 45mAir Canada

Deal found 7/1

$803

Mon 8/2512:00 pmVLC - IAH

1 stop32h 40mBritish Airways

Sun 8/319:40 pmIAH - VLC

1 stop14h 50mBritish Airways

Deal found 7/1

$804

Best flights from Spain to George Bush Intcntl
Discover carefully curated flight deals from Spain to George Bush Intcntl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 2, 2025.

Thu 10/27:40 amMAD - IAH

3 stops32h 20mMultiple Airlines

Wed 10/155:00 amIAH - MAD

2 stops22h 15mMultiple Airlines

Deal found 7/1

$670

Thu 10/21:30 pmMAD - IAH

1 stop31h 13mJetBlue

Wed 10/152:39 pmIAH - MAD

1 stop13h 51mJetBlue

Deal found 7/1

$743

Thu 12/256:50 amBIO - IAH

1 stop13h 40mDelta

Mon 1/1210:45 amIAH - BIO

2 stops17h 45mDelta

Deal found 6/30

$789

Mon 8/256:05 pmBCN - IAH

1 stop26h 35mBritish Airways

Mon 9/83:30 pmIAH - BCN

1 stop17h 50mBritish Airways

Deal found 6/30

$791

Thu 9/45:55 amAGP - IAH

1 stop14h 40mLufthansa

Wed 9/243:35 pmIAH - AGP

1 stop13h 50mLufthansa

Deal found 7/1

$794

Mon 12/16:05 amMAD - IAH

2 stops22h 34mUnited Airlines

Fri 12/125:00 amIAH - MAD

2 stops20h 00mUnited Airlines

Deal found 7/1

$813

Mon 10/201:30 pmBIO - IAH

2 stops17h 13mAmerican Airlines

Tue 10/2811:11 amIAH - BIO

2 stops15h 19mAmerican Airlines

Deal found 7/1

$826

Mon 10/206:45 amBIO - IAH

2 stops22h 29mAir Canada

Tue 10/2811:50 amIAH - BIO

2 stops22h 50mAir Canada

Deal found 6/30

$827

Mon 8/255:15 pmVLC - IAH

1 stop27h 00mKLM

Sun 8/3111:25 amIAH - VLC

2 stops15h 20mKLM

Deal found 7/2

$828

Mon 8/257:55 pmAGP - IAH

1 stop24h 40mAir France

Sun 8/3111:25 amIAH - AGP

2 stops17h 20mAir France

Deal found 7/2

$830

Fri 10/3112:55 amMAD - IAH

1 stop14h 33mIberia

Sat 11/1510:45 amIAH - MAD

1 stop12h 30mIberia

Deal found 7/1

$844

Mon 8/255:35 pmAGP - IAH

2 stops31h 21mFinnair

Sun 8/312:32 pmIAH - AGP

2 stops26h 43mFinnair

Deal found 7/2

$900

Last-minute flights from Spain to George Bush Intcntl
Discover last-minute flight deals from Spain to George Bush Intcntl. Data last updated July 2, 2025 and is based on user searches.

Thu 7/103:15 pmMAD - IAH

2 stops27h 56mMultiple Airlines

Wed 8/207:00 amIAH - MAD

3 stops34h 20mMultiple Airlines

Deal found 7/1

$908

Thu 7/1011:50 amBCN - IAH

3 stops31h 21mMultiple Airlines

Thu 7/178:15 pmIAH - BCN

3 stops31h 20mMultiple Airlines

Deal found 6/30

$927

Thu 7/102:00 pmBCN - IAH

1 stop14h 41mBritish Airways

Thu 7/179:00 pmIAH - BCN

1 stop18h 55mBritish Airways

Deal found 6/30

$935

Thu 7/104:40 pmMAD - IAH

1 stop13h 44mBritish Airways

Wed 7/239:00 pmIAH - MAD

1 stop15h 55mBritish Airways

Deal found 7/1

$939

Thu 7/104:40 pmMAD - IAH

1 stop13h 44mFinnair

Wed 7/232:29 pmIAH - MAD

1 stop11h 36mFinnair

Deal found 7/1

$952

Thu 7/104:40 pmMAD - IAH

1 stop13h 44mAmerican Airlines

Wed 7/236:22 pmIAH - MAD

1 stop12h 03mAmerican Airlines

Deal found 7/1

$955

Thu 7/1012:20 pmBCN - IAH

1 stop17h 06mIberia

Thu 7/177:21 pmIAH - BCN

2 stops16h 54mIberia

Deal found 6/30

$964

Thu 7/104:40 pmMAD - IAH

1 stop13h 44mIberia

Fri 7/186:22 pmIAH - MAD

1 stop12h 03mIberia

Deal found 7/2

$967

Thu 7/106:00 amMAD - IAH

1 stop14h 15mDelta

Wed 7/232:20 pmIAH - MAD

2 stops18h 15mDelta

Deal found 7/1

$1,053

Thu 7/101:30 pmMAD - IAH

1 stop28h 42mJetBlue

Wed 7/2311:58 amIAH - MAD

1 stop16h 32mJetBlue

Deal found 7/1

$1,083

Thu 7/108:15 pmMAD - IAH

1 stop24h 20mAir France

Wed 7/233:55 pmIAH - MAD

2 stops16h 40mAir France

Deal found 7/1

$1,108

Sat 7/126:20 amBCN - IAH

1 stop13h 55mDelta

Sat 7/193:09 pmIAH - BCN

2 stops17h 31mDelta

Deal found 7/1

$1,052

One-way flights from Spain to George Bush Intcntl
Search for one-way flight options from Spain to George Bush Intcntl. Find affordable one-way fares based on user searches. Data last updated July 2, 2025.

Wed 10/810:45 pmMAD - IAH

2 stops32h 30mMultiple Airlines

Deal found 7/1

$376

Tue 8/199:30 pmBCN - IAH

2 stops30h 19mMultiple Airlines

Deal found 7/1

$414

Fri 8/1510:10 amVLC - IAH

3 stops36h 47mMultiple Airlines

Deal found 7/2

$620

Mon 11/1710:40 amMAD - IAH

2 stops19h 38mAer Lingus

Deal found 7/1

$658

Sat 9/2711:45 amSVQ - IAH

1 stop38h 20mTurkish Airlines

Deal found 7/1

$680

Mon 7/79:05 pmBIO - IAH

2 stops54h 10mMultiple Airlines

Deal found 6/30

$683

Sat 9/2711:00 amBCN - IAH

2 stops29h 24mAer Lingus

Deal found 6/30

$697

Wed 10/86:00 amMAD - IAH

1 stop14h 35mLufthansa

Deal found 7/1

$705

Tue 7/812:00 pmBCN - IAH

1 stop31h 40mTurkish Airlines

Deal found 6/30

$716

Sat 9/2712:00 pmMAD - IAH

1 stop38h 05mTurkish Airlines

Deal found 7/1

$722

Mon 8/44:00 pmSVQ - IAH

3 stops52h 25mMultiple Airlines

Deal found 7/1

$730

Mon 10/2712:35 amMAD - IAH

2 stops41h 35mAvianca

Deal found 7/1

$739

Cheapflights Fare Finder

Use the filters below to find and compare flights from Spain to Houston George Bush Intcntl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MadridHouston

MAD - IAH

MADIAH

Madrid Barajas

Thu 10/2

7:40 am-9:00 am

3 stops32h 20m

Houston George Bush Intcntl

Wed 10/15

5:00 am-10:15 am

2 stops22h 15m

$670

ValenciaHouston

VLC - IAH

VLCIAH

Valencia

Tue 9/9

6:25 am-4:50 am

2 stops29h 25m

Houston George Bush Intcntl

Fri 9/12

7:35 am-1:05 am

3 stops34h 30m

$704

MálagaHouston

AGP - IAH

AGPIAH

Malaga

Thu 9/4

7:00 am-7:59 am

2 stops31h 59m

Houston George Bush Intcntl

Wed 9/24

5:30 am-12:30 am

2 stops36h 00m

$723

MadridHouston

MAD - IAH

MADIAH

Madrid Barajas

Thu 10/2

1:30 pm-1:43 pm

1 stop31h 13m

Houston George Bush Intcntl

Wed 10/15

2:39 pm-11:30 am

1 stop13h 51m

$743

BarcelonaHouston

BCN - IAH

BCNIAH

Barcelona-El Prat

Mon 9/22

3:00 pm-11:42 am

2 stops27h 42m

Houston George Bush Intcntl

Fri 9/26

6:00 am-11:10 pm

2 stops34h 10m

$778

BilbaoHouston

BIO - IAH

BIOIAH

Bilbao

Thu 12/25

6:50 am-1:30 pm

1 stop13h 40m

Houston George Bush Intcntl

Mon 1/12

10:45 am-11:30 am

2 stops17h 45m

$789

BarcelonaHouston

BCN - IAH

BCNIAH

Barcelona-El Prat

Mon 8/25

6:05 pm-1:40 pm

1 stop26h 35m

Houston George Bush Intcntl

Mon 9/8

3:30 pm-4:20 pm

1 stop17h 50m

$791

MálagaHouston

AGP - IAH

AGPIAH

Malaga

Thu 9/4

5:55 am-1:35 pm

1 stop14h 40m

Houston George Bush Intcntl

Wed 9/24

3:35 pm-12:25 pm

1 stop13h 50m

$794

MadridHouston

MAD - IAH

MADIAH

Madrid Barajas

Mon 9/1

10:00 am-8:50 pm

1 stop17h 50m

Houston George Bush Intcntl

Tue 9/30

9:00 pm-5:30 pm

1 stop13h 30m

$796

ValenciaHouston

VLC - IAH

VLCIAH

Valencia

Mon 8/25

12:00 pm-1:40 pm

1 stop32h 40m

Houston George Bush Intcntl

Sun 8/31

9:40 pm-7:30 pm

1 stop14h 50m

$804

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 49 results

...

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

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

What is the cheapest month to book a flight from Spain to Houston George Bush Intcntl Airport?

Currently, August is the cheapest month in which you can book a flight from Spain to Houston George Bush Intcntl Airport (average of $241). Flying from Spain to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Spain to Houston George Bush Intcntl Airport as you normally would.

Reviews of airlines servicing George Bush Intcntl

Read reviews from past customers who have flown Delta, KLM, and Finnair from Spain to Houston George Bush Intcntl Airport. 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

7,983 reviews

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

7,983 reviews

Delta

8.0

Very good

7,983 reviews

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

1,366 reviews

Delta

8.0

Very good

7,983 reviews

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!

Finnair

7.6

Good

1,301 reviews

Delta

8.0

Very good

7,983 reviews

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

1,472 reviews

Delta

8.0

Very good

7,983 reviews

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!

SWISS

7.5

Good

1,654 reviews

Delta

8.0

Very good

7,983 reviews

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

What are the cheapest airlines to fly from Spain to Houston George Bush Intcntl Airport one-way?
For one-way options, check prices for Aer Lingus. According to our data, you can fly for as low as $658. Users have also found prices from $680 and $705 on Turkish Airlines and Lufthansa, respectively.
What are the most popular routes from Spain to Houston George Bush Intcntl Airport?
Most travelers choose Madrid Barajas - Houston George Bush Intcntl, Barcelona-El Prat - Houston George Bush Intcntl or Valencia - Houston George Bush Intcntl when deciding on the best route from Spain to Houston George Bush Intcntl Airport.
Can I find deals for flights from Spain to George Bush Intcntl that include hotel bookings?
Yes. In addition to deals on Spain to George Bush Intcntl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Spain to George Bush Intcntl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Spain to George Bush Intcntl.
Can I find deals for business class flights from Spain to George Bush Intcntl?
Yes. Cheapflights offers flight deals from Spain to George Bush Intcntl 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 Spain to Houston George Bush Intcntl Airport?
Currently, August is the cheapest month in which you can book a flight from Spain to Houston George Bush Intcntl Airport (average of $241). Flying from Spain to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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

Montgomery

Humble

Spring

Conroe

Tomball

Katy

Jersey Village

The Woodlands

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Spain to George Bush Intcntl

Airline	Cheapest	Average	Flexibility	On-time
Iberia	Cheapest$592	Average$810	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$652	Average$904	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$659	Average$1,124	FlexibilityNo cancel fee	On-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$376+ Cheap flights from Spain to George Bush Intcntl (IAH)

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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Spain to George Bush Intcntl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Spain to George Bush Intcntl

Keep the following information in mind while searching for Spain to George Bush Intcntl flight deals. Data was last updated July 2, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Spain to George Bush Intcntl

Cheapest flights from Spain to George Bush IntcntlExplore the most affordable flight options available from Spain to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Explore the most affordable flight options available from Spain to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Spain to Houston George Bush Intcntl Airport that are best for you.

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

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Spain with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Spain to Houston George Bush Intcntl Airport

What is the cheapest month to book a flight from Spain to Houston George Bush Intcntl Airport?

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

Find hourly flight availability from Spain to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 2, 2025.

Reviews of airlines servicing George Bush Intcntl

Read reviews from past customers who have flown Delta, KLM, and Finnair from Spain to Houston George Bush Intcntl Airport. 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.

Related info for your journey

Find useful and relevant information for your journey from Spain to George Bush Intcntl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from Spain to Houston George Bush Intcntl Airport one-way?

What are the most popular routes from Spain to Houston George Bush Intcntl Airport?

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

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

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

What is the cheapest month to book a flight from Spain to Houston George Bush Intcntl Airport?

Traveling to a place near Spain?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Spain to George Bush Intcntl

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Spain to George Bush Intcntl

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Spain to George Bush Intcntl
Explore the most affordable flight options available from Spain to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.