HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Spain

$242+ Cheap flights from George Bush Intcntl (IAH) to Spain

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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — MAD
Dec 18 — Dec 251
Thu 12/18
Thu 12/25
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from George Bush Intcntl to Spain 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.

Find flight deals from George Bush Intcntl to Spain

Cheapest flights from George Bush Intcntl to Spain
Explore the most affordable flight options available from George Bush Intcntl to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 18, 2025.

This KLM deal was found by Cheapflights users on 11/17. 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.
Tue 12/303:30 pmIAH - MAD
1 stop15h 10mKLM
Tue 1/276:00 amMAD - IAH
1 stop14h 30mKLM
Deal found 11/17$525
This Finnair deal was found by Cheapflights users on 11/17. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/301:24 pmIAH - MAD
1 stop12h 31mMultiple Airlines
Mon 1/2612:55 amMAD - IAH
1 stop16h 52mMultiple Airlines
Deal found 11/17$527
This eDestinos deal was found by Cheapflights users on 11/17. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/211:02 amIAH - MAD
1 stop11h 43mIberia
Wed 12/1012:40 pmMAD - IAH
1 stop13h 45mIberia
Deal found 11/17$528
This Mytrip deal was found by Cheapflights users on 11/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/23:45 pmIAH - MAD
3 stops33h 15mMultiple Airlines
Tue 12/97:25 amMAD - IAH
3 stops32h 00mMultiple Airlines
Deal found 11/17$550
This Mytrip deal was found by Cheapflights users on 11/16. 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.
Tue 12/22:59 pmIAH - MAD
3 stops34h 01mMultiple Airlines
Wed 12/101:35 pmMAD - IAH
3 stops35h 08mMultiple Airlines
Deal found 11/16$555
This Mytrip deal was found by Cheapflights users on 11/16. 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.
Tue 12/22:59 pmIAH - MAD
3 stops34h 01mMultiple Airlines
Fri 12/121:35 pmMAD - IAH
3 stops35h 33mMultiple Airlines
Deal found 11/16$562
This Kiwi.com deal was found by Cheapflights users on 11/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/184:30 pmIAH - MAD
1 stop16h 40mLufthansa
Tue 11/256:00 amMAD - IAH
1 stop15h 35mLufthansa
Deal found 11/17$563
This Kiwi.com deal was found by Cheapflights users on 11/16. 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.
Mon 11/174:30 pmIAH - MAD
1 stop13h 45mLufthansa
Tue 11/256:00 amMAD - IAH
1 stop15h 35mLufthansa
Deal found 11/16$564
This Booking.com deal was found by Cheapflights users on 11/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1712:30 pmIAH - MAD
1 stop15h 30mAir Canada
Tue 11/256:00 amMAD - IAH
2 stops22h 44mAir Canada
Deal found 11/16$572
This United Airlines deal was found by Cheapflights users on 11/16. 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.
Tue 12/212:10 pmIAH - MAD
1 stop12h 50mUnited Airlines
Fri 12/121:35 pmMAD - IAH
2 stops37h 12mUnited Airlines
Deal found 11/16$574
This Finnair deal was found by Cheapflights users on 11/17. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/291:24 pmIAH - BCN
1 stop12h 36mMultiple Airlines
Fri 1/163:05 pmBCN - IAH
1 stop16h 40mMultiple Airlines
Deal found 11/17$629
This FlightHub deal was found by Cheapflights users on 11/17. 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.
Sat 11/292:55 pmIAH - BCN
1 stop25h 55mTurkish Airlines
Tue 12/1612:05 pmBCN - IAH
1 stop38h 05mTurkish Airlines
Deal found 11/17$640

Cheap flight deals from George Bush Intcntl to Spain

Keep the following information in mind while searching for George Bush Intcntl to Spain flight deals. Data was last updated November 18, 2025.

Round-trip from

$490
(FlightHub)

One-way from

$252
(Cheapflightsfares)

Popular in

June

Cheapest in

October

Average price

$869
From Houston George Bush Intcntl to Spain
Search Deals
One-way flight from Houston George Bush Intcntl to Spain
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($308 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from George Bush Intcntl to Spain 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 November 18, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Spain that are best for you.

Fly from

George Bush Intcntl

Fly to

Spain

Route

Depart

Return

Price

HoustonMadrid

IAH - MAD

IAHMAD

Houston George Bush Intcntl

Wed 5/13

10:12 am-5:30 am

1 stop12h 18m

Madrid Barajas

Wed 5/27

4:40 pm-11:21 pm

1 stop13h 41m

$546

HoustonMadrid

IAH - MAD

IAHMAD

Houston George Bush Intcntl

Wed 1/28

12:10 pm-8:00 am

1 stop12h 50m

Madrid Barajas

Sun 2/1

5:55 am-2:10 pm

1 stop15h 15m

$562

HoustonMadrid

IAH - MAD

IAHMAD

Houston George Bush Intcntl

Thu 1/1

9:52 am-5:45 am

1 stop12h 53m

Madrid Barajas

Wed 1/21

10:00 am-5:43 pm

1 stop14h 43m

$564

HoustonMadrid

IAH - MAD

IAHMAD

Houston George Bush Intcntl

Thu 1/1

9:52 am-5:45 am

1 stop12h 53m

Madrid Barajas

Tue 1/20

12:40 pm-8:15 pm

1 stop14h 35m

$564

HoustonMadrid

IAH - MAD

IAHMAD

Houston George Bush Intcntl

Wed 2/4

6:20 am-8:00 am

2 stops18h 40m

Madrid Barajas

Sat 2/14

8:25 am-6:15 pm

1 stop16h 50m

$566

HoustonMadrid

IAH - MAD

IAHMAD

Houston George Bush Intcntl

Thu 1/1

2:09 pm-9:25 am

1 stop12h 16m

Madrid Barajas

Mon 1/19

12:55 am-10:47 am

1 stop16h 52m

$577

HoustonMadrid

IAH - MAD

IAHMAD

Houston George Bush Intcntl

Fri 2/20

12:49 pm-8:00 am

1 stop12h 11m

Madrid Barajas

Sat 2/28

6:00 am-1:30 pm

1 stop14h 30m

$581

HoustonMadrid

IAH - MAD

IAHMAD

Houston George Bush Intcntl

Wed 12/10

11:07 am-5:45 am

1 stop11h 38m

Madrid Barajas

Wed 1/14

10:00 am-5:43 pm

1 stop14h 43m

$592

HoustonMadrid

IAH - MAD

IAHMAD

Houston George Bush Intcntl

Thu 1/29

12:10 pm-8:00 am

1 stop12h 50m

Madrid Barajas

Mon 2/2

1:35 pm-1:25 pm

2 stops30h 50m

$600

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

Mon 1/19

12:10 pm-9:35 am

1 stop14h 25m

Barcelona-El Prat

Tue 1/27

1:35 pm-3:45 pm

2 stops33h 10m

$601

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 60 results
1
2
3
...
6

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

Have a flexible travel schedule? Discover the best time to fly to Spain 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 Spain

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

Currently, October is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Spain (average of $387). Flying from Houston George Bush Intcntl Airport to Spain in June is currently the most expensive (average of $876). 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 IAH to ES?

Find hourly flight availability from George Bush Intcntl to Spain. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 18, 2025.

It’s optimal to fly from Houston George Bush Intcntl Airport to Spain in the evening. By choosing this option you can save up to 13% on the cost of your flight, compared to a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from George Bush Intcntl to Spain. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to Spain flight should consider departing on Sunday at noon when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

How often are flights $[0, preposition:'from ']$[0, article:'from ']$[0, place:'from'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] delayed?

About 100% of weekly flights between $[0, place:'genitive'] and $[1, place:'genitive'] have experienced delays in the past year, with the average delay time being 437 minutes.

What is the most punctual flight time for $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

Which airline has the best punctuality record on $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

Over the last year, Iberia have had the lowest number of delays on this route, with just 100% of flights being delayed.

Reviews of airlines servicing Spain

Get insights into the airlines that provide service to Spain. 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 Spain. Reviews last updated November 18, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Houston George Bush Intcntl Airport to Spain by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,015 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,047 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Iberia
7.0
Good
3,020 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,528 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

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

  • How long is the flight from Houston George Bush Intcntl Airport to Spain?

    For as low as $562, United Airlines can have you in Spain from Houston George Bush Intcntl Airport in 12h 50m. There are 4992 mi between Houston George Bush Intcntl Airport and Spain. This flight may include one or multiple stops.

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

    The most popular route from Houston George Bush Intcntl Airport to Spain is Houston George Bush Intcntl - Madrid Barajas. You may also consider Houston George Bush Intcntl - Barcelona-El Prat or Houston George Bush Intcntl - Malaga.

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

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

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

    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 Spain.

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

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

    Currently, October is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Spain (average of $387). Flying from Houston George Bush Intcntl Airport to Spain in June is currently the most expensive (average of $876). 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

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

Alternative routes for George Bush Intcntl to Spain

See prices for flight routes from nearby airports that may be better suited for you.
Hobby to Heathrow flights
George Bush Intcntl to Heathrow flights
Hobby to Istanbul flights
Hobby to Charles de Gaulle flights
Hobby to Frankfurt flights
George Bush Intcntl to Istanbul flights
Hobby to Leonardo da Vinci/Fiumicino flights
George Bush Intcntl to Charles de Gaulle flights
George Bush Intcntl to Frankfurt flights
Hobby to Madrid flights
Hobby to Gatwick flights
George Bush Intcntl to Gatwick flights
Hobby to London City flights
George Bush Intcntl to Madrid flights
George Bush Intcntl to Leonardo da Vinci/Fiumicino flights
Hobby to Amsterdam flights
Hobby to Sabiha Gokcen flights
George Bush Intcntl to Amsterdam flights
George Bush Intcntl to London City flights
Hobby to Orly flights
Hobby to Malpensa flights
Hobby to Athens flights
Hobby to Dublin flights
George Bush Intcntl to Sabiha Gokcen flights
Hobby to Luqa flights
George Bush Intcntl to Luqa flights
Hobby to Linate flights
Hobby to Lisbon flights
Hobby to Barcelona-El Prat flights
Hobby to Bruxelles-National flights
Hobby to Zurich flights
George Bush Intcntl to Athens flights
George Bush Intcntl to Dublin flights
George Bush Intcntl to Lisbon flights
George Bush Intcntl to Barcelona-El Prat flights
Hobby to Duesseldorf Intl flights
Hobby to Keflavik Intl flights
George Bush Intcntl to Stansted flights
George Bush Intcntl to Zurich flights
Hobby to Vicenza flights
Hobby to Munich flights
Hobby to Edinburgh flights
George Bush Intcntl to Malpensa flights
Hobby to Frederic Chopin flights
George Bush Intcntl to Munich flights
George Bush Intcntl to Bruxelles-National flights
George Bush Intcntl to Linate flights
Hobby to Oslo Gardermoen flights

Top 10 airlines flying from George Bush Intcntl to Spain

Discover the top 10 airlines that operate flights from George Bush Intcntl to Spain. 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 November 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$210Average$211FlexibilityNo cancel feeOn-time62%
DeltaCheapest$372Average$836FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$508Average$1,090FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$511Average$895FlexibilityNo cancel feeOn-time70%
IberiaCheapest$512Average$825FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$519Average$811FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$525Average$967FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$525Average$896FlexibilityNo cancel feeOn-time77%
KLMCheapest$556Average$801FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$606Average$961FlexibilityNo cancel feeOn-time76%

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.