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$221+ Cheap flights from Houston 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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — MAD
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Houston to Spain

Keep the following information in mind while searching for Houston to Spain flight deals. Data was last updated September 15, 2025.

Round-trip from

$515
(United Airlines)

One-way from

$221
(Trip.com)

Popular in

May

Cheapest in

October

Average price

$712
From Houston to Spain
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One-way flight from Houston to Spain
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Highest demand for flights based on searches. 19% potential increase in price ($212 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Houston to Spain

Cheapest flights from Houston to Spain
Explore the most affordable flight options available from Houston to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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 10/78:05 amIAH - MAD
2 stops15h 35mUnited Airlines
Tue 10/2112:30 pmMAD - IAH
1 stop29h 34mUnited Airlines
Deal found 9/15$515
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/710:17 amIAH - MAD
1 stop15h 03mUnited Airlines
Wed 10/226:00 amMAD - IAH
1 stop14h 35mUnited Airlines
Deal found 9/15$516
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/712:05 pmIAH - MAD
1 stop13h 15mUnited Airlines
Wed 10/1512:30 pmMAD - IAH
1 stop16h 44mUnited Airlines
Deal found 9/14$517
This Finnair deal was found by Cheapflights users on 9/15. 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.
Wed 10/292:24 pmHOU - MAD
1 stop13h 01mMultiple Airlines
Wed 11/512:40 pmMAD - HOU
1 stop14h 40mMultiple Airlines
Deal found 9/15$518
This Air Canada deal was found by Cheapflights users on 9/14. 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.
Sat 10/117:20 amIAH - MAD
2 stops40h 20mAir Canada
Wed 10/2212:45 pmMAD - IAH
2 stops16h 29mAir Canada
Deal found 9/14$518
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/77:20 amIAH - MAD
1 stop18h 00mAir Canada
Wed 10/1512:30 pmMAD - IAH
1 stop16h 44mAir Canada
Deal found 9/15$519
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/712:05 pmIAH - MAD
1 stop13h 15mUnited Airlines
Fri 10/1711:15 amMAD - IAH
1 stop17h 59mUnited Airlines
Deal found 9/14$520
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Mon 9/295:00 amIAH - MAD
2 stops18h 40mUnited Airlines
Wed 10/151:05 pmMAD - IAH
2 stops28h 59mUnited Airlines
Deal found 9/14$521
This Delta deal was found by Cheapflights users on 9/15. 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.
Tue 11/186:00 amHOU - MAD
1 stop20h 15mDelta
Fri 12/1210:00 amMAD - HOU
2 stops20h 46mDelta
Deal found 9/15$523
This Delta deal was found by Cheapflights users on 9/14. 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 10/155:30 amIAH - MAD
2 stops19h 20mDelta
Wed 10/2212:40 pmMAD - IAH
1 stop16h 05mDelta
Deal found 9/14$523
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Mon 10/206:00 amIAH - MAD
2 stops17h 40mUnited Airlines
Fri 10/318:35 amMAD - IAH
2 stops19h 59mUnited Airlines
Deal found 9/14$524
This Air Canada deal was found by Cheapflights users on 9/14. 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 10/267:10 amIAH - MAD
2 stops18h 50mAir Canada
Tue 11/116:00 amMAD - IAH
2 stops22h 44mAir Canada
Deal found 9/14$525

Cheapflights Fare Finder

 
Customize your flight search to find flights from Houston 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 September 15, 2025.
Use the filters below to find and compare flights from Houston to Spain that are best for you.

Fly from

Houston

Fly to

Spain

Route

Depart

Return

Price

HoustonMadrid

IAH - MAD

IAHMAD

Houston George Bush Intcntl

Tue 10/14

7:00 am-6:40 am

2 stops16h 40m

Madrid Barajas

Tue 10/21

12:30 pm-11:04 am

1 stop29h 34m

$515

HoustonMadrid

IAH - MAD

IAHMAD

Houston George Bush Intcntl

Tue 10/28

4:50 pm-2:15 pm

1 stop15h 25m

Madrid Barajas

Tue 11/4

10:00 am-12:47 am

1 stop21h 47m

$517

HoustonMadrid

HOU - MAD

HOUMAD

Houston Hobby

Sun 10/12

6:00 am-9:35 am

1 stop20h 35m

Madrid Barajas

Thu 10/23

10:05 am-11:00 pm

1 stop19h 55m

$518

HoustonMadrid

IAH - MAD

IAHMAD

Houston George Bush Intcntl

Wed 10/15

6:00 am-7:50 am

1 stop18h 50m

Madrid Barajas

Wed 10/22

12:40 pm-9:45 pm

1 stop16h 05m

$518

HoustonMadrid

HOU - MAD

HOUMAD

Houston Hobby

Tue 2/3

6:00 am-8:00 am

2 stops19h 00m

Madrid Barajas

Tue 2/10

11:00 am-9:46 pm

1 stop17h 46m

$523

HoustonMadrid

HOU - MAD

HOUMAD

Houston Hobby

Mon 10/13

6:00 am-7:50 am

2 stops18h 50m

Madrid Barajas

Wed 10/22

12:40 pm-9:18 am

2 stops27h 38m

$523

HoustonMadrid

HOU - MAD

HOUMAD

Houston Hobby

Sun 11/9

6:00 am-9:15 am

1 stop20h 15m

Madrid Barajas

Fri 11/21

10:00 am-11:46 pm

2 stops20h 46m

$523

HoustonMadrid

HOU - MAD

HOUMAD

Houston Hobby

Tue 11/18

2:32 pm-9:15 am

1 stop11h 43m

Madrid Barajas

Fri 12/12

10:00 am-9:44 am

2 stops30h 44m

$523

HoustonMadrid

IAH - MAD

IAHMAD

Houston George Bush Intcntl

Mon 10/20

6:00 am-6:40 am

2 stops17h 40m

Madrid Barajas

Fri 10/31

8:35 am-10:34 pm

2 stops19h 59m

$524

HoustonMadrid

HOU - MAD

HOUMAD

Houston Hobby

Wed 10/22

6:39 pm-2:25 pm

1 stop12h 46m

Madrid Barajas

Wed 11/12

12:40 pm-8:20 pm

1 stop14h 40m

$528

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 60 results
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Best time to book a flight from Houston to Spain

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

What is the cheapest month to book a flight from Houston to Spain?

Currently, November is the cheapest month in which you can book a flight from Houston to Spain (average of $543). Flying from Houston to Spain in June is currently the most expensive (average of $1,054). 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 HOU to ES?

Find hourly flight availability from Houston 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 September 15, 2025.

When flying from Houston to Spain, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 15, 2025.
Read reviews from past customers who have flown United Airlines, American Airlines, and Air Canada from Houston to Spain. 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.
United Airlines
7.4
Good
8,929 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

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
8,929 reviews
United Airlines
7.4
Good
8,929 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

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??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,929 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

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
7.1
Good
10,000 reviews
United Airlines
7.4
Good
8,929 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

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
2,924 reviews
United Airlines
7.4
Good
8,929 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

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??
British Airways
6.7
Okay
7,361 reviews
United Airlines
7.4
Good
8,929 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

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 Houston 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 to Spain?

    For as low as $517, United Airlines can have you in Spain from Houston in 15h 25m. There are 4992 mi between Houston and Spain. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Houston to Spain one-way?

    One-way options have recently been found by users for as low as $358 on Iberia. Other airlines that offer cheap prices include Lufthansa from $442 and American Airlines from $453 one-way.

  • What are the most popular routes from Houston to Spain?

    When deciding which route to take from Houston to Spain consider Houston Hobby - Madrid Barajas, Houston George Bush Intcntl - Madrid Barajas or Houston Hobby - Barcelona-El Prat as they are the most popular.

  • Can I find deals for flights from Houston to Spain that include hotel bookings?

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

  • How can I find direct flights from Houston to Spain?

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

  • Can I find deals for business class flights from Houston to Spain?

    Yes. Cheapflights offers flight deals from Houston 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 to Spain?

    Currently, November is the cheapest month in which you can book a flight from Houston to Spain (average of $543). Flying from Houston to Spain in June is currently the most expensive (average of $1,054). 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 Houston to Spain

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Houston to Spain

Discover the top 10 airlines that operate flights from Houston 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$210Average$211FlexibilityNo cancel feeOn-time62%
DeltaCheapest$432Average$936FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$480Average$812FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$495Average$915FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$500Average$1,083FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$503Average$884FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$507Average$1,078FlexibilityNo cancel feeOn-time71%
KLMCheapest$514Average$972FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$531Average$872FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$575Average$1,062FlexibilityNo cancel feeOn-time76%

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