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$241+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — MAD
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
1 adult, Economy
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Cheap 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 March 11, 2026.

This eDestinos deal was found by Cheapflights users on 3/6. 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 8/189:47 am
IAH
-
MAD
1 stop12h 43m
Iberia
Wed 11/1812:00 pm
MAD
-
IAH
2 stops16h 57m
Iberia
Deal found 3/6$519
This eDestinos deal was found by Cheapflights users on 3/10. 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 8/187:30 pm
IAH
-
MAD
1 stop33h 45m
Virgin Atlantic
Wed 11/1811:15 am
MAD
-
IAH
1 stop14h 44m
Virgin Atlantic
Deal found 3/10$530
This eDestinos deal was found by Cheapflights users on 3/10. 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.
Fri 10/29:05 pm
IAH
-
MAD
1 stop14h 05m
Iberia
Thu 10/1511:30 am
MAD
-
IAH
1 stop14h 51m
Iberia
Deal found 3/10$531
This United Airlines deal was found by Cheapflights users on 3/6. 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 9/2010:00 am
IAH
-
MAD
1 stop13h 50m
United Airlines
Wed 9/3012:45 pm
MAD
-
IAH
2 stops37h 03m
United Airlines
Deal found 3/6$540
This Cheapflightsfares deal was found by Cheapflights users on 3/9. 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 8/189:05 pm
IAH
-
MAD
1 stop16h 00m
British Airways
Wed 11/184:40 pm
MAD
-
IAH
1 stop13h 52m
British Airways
Deal found 3/9$541
This Cheapflightsfares deal was found by Cheapflights users on 3/6. 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.
Wed 10/149:05 pm
IAH
-
MAD
1 stop13h 30m
British Airways
Fri 10/2311:30 am
MAD
-
IAH
1 stop14h 51m
British Airways
Deal found 3/6$542
This Cheapflightsfares deal was found by Cheapflights users on 3/6. 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 10/69:05 pm
IAH
-
MAD
1 stop16h 00m
British Airways
Tue 10/1310:35 am
MAD
-
IAH
1 stop15h 40m
British Airways
Deal found 3/6$543
This United Airlines deal was found by Cheapflights users on 3/7. 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 9/2210:04 am
IAH
-
MAD
1 stop15h 46m
United Airlines
Wed 9/3012:45 pm
MAD
-
IAH
2 stops31h 52m
United Airlines
Deal found 3/7$544
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Sat 8/156:32 pm
IAH
-
MAD
1 stop30h 33m
United Airlines
Thu 9/101:30 pm
MAD
-
IAH
1 stop28h 37m
United Airlines
Deal found 3/8$546
This oojo deal was found by Cheapflights users on 3/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:25 pm
IAH
-
MAD
1 stop15h 45m
ITA Airways
Wed 11/115:55 am
MAD
-
IAH
1 stop17h 30m
ITA Airways
Deal found 3/7$547
This oojo deal was found by Cheapflights users on 3/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:35 pm
HOU
-
MAD
2 stops30h 05m
British Airways
Wed 9/309:00 pm
MAD
-
HOU
2 stops30h 01m
British Airways
Deal found 3/7$555
This Delta deal was found by Cheapflights users on 3/7. 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 11/246:00 am
HOU
-
MAD
1 stop20h 15m
Delta
Thu 12/311:15 am
MAD
-
HOU
1 stop17h 28m
Delta
Deal found 3/7$561

Find flight deals from Houston to Spain

Keep the following information in mind while searching for Houston to Spain flight deals. Data was last updated March 11, 2026.

Round-trip from

$519
(eDestinos)

One-way from

$241
(Cheapflightsfares)

Popular in

June

Cheapest in

October

Average price

$818
From Houston to Spain
Search Deals
One-way flight from Houston to Spain
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($227 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 11, 2026.
Use the filters below to find and compare flights from Houston to Spain that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonMadrid

IAH - MAD

IAHMAD

Houston George Bush Intcntl

Sat 9/5

6:32 pm-8:05 am

1 stop30h 33m

Madrid Barajas

Tue 9/22

1:30 pm-11:07 am

1 stop28h 37m

$579

HoustonMadrid

HOU - MAD

HOUMAD

Houston Hobby

Tue 8/18

1:00 pm-3:35 pm

2 stops19h 35m

Madrid Barajas

Tue 9/1

1:05 pm-9:15 am

2 stops27h 10m

$600

HoustonMadrid

IAH - MAD

IAHMAD

Houston George Bush Intcntl

Wed 4/8

3:50 pm-4:45 pm

1 stop17h 55m

Madrid Barajas

Wed 4/15

6:00 am-9:35 pm

2 stops22h 35m

$601

HoustonMadrid

IAH - MAD

IAHMAD

Houston George Bush Intcntl

Tue 4/21

11:50 am-6:50 am

1 stop12h 00m

Madrid Barajas

Tue 6/2

12:45 pm-1:06 pm

2 stops31h 21m

$609

HoustonMadrid

IAH - MAD

IAHMAD

Houston George Bush Intcntl

Fri 7/31

9:27 am-6:50 am

1 stop14h 23m

Madrid Barajas

Mon 8/31

4:25 pm-12:28 am

1 stop15h 03m

$642

HoustonMadrid

HOU - MAD

HOUMAD

Houston Hobby

Sun 8/23

1:00 pm-7:15 pm

2 stops23h 15m

Madrid Barajas

Fri 9/4

1:05 pm-9:15 am

2 stops27h 10m

$649

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

Wed 4/15

8:00 am-9:20 am

2 stops18h 20m

Barcelona-El Prat

Fri 5/1

12:15 pm-1:40 pm

2 stops32h 25m

$690

HoustonMadrid

IAH - MAD

IAHMAD

Houston George Bush Intcntl

Fri 7/31

7:50 pm-6:50 am

2 stops52h 00m

Madrid Barajas

Mon 8/31

12:45 pm-2:50 pm

2 stops33h 05m

$692

HoustonMálaga

IAH - AGP

IAHAGP

Houston George Bush Intcntl

Mon 4/13

9:05 pm-10:50 am

1 stop30h 45m

Malaga

Mon 4/20

5:55 pm-7:10 pm

1 stop32h 15m

$693

HoustonMadrid

HOU - MAD

HOUMAD

Houston Hobby

Tue 4/7

11:33 am-9:30 am

2 stops14h 57m

Madrid Barajas

Wed 4/15

12:45 pm-11:08 pm

1 stop17h 23m

$694

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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, October is the cheapest month in which you can book a flight from Houston to Spain (average of $393). Flying from Houston to Spain in June is currently the most expensive (average of $767). 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.

How often are flights from Houston to Spain delayed?

About 50% of weekly flights between Houston and Spain have experienced delays in the past year, with the average delay time being 219 minutes.

What is the most punctual flight time for Houston to Spain flights?

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

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

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 March 11, 2026.
Read reviews from past customers who have flown United Airlines,American Airlines, andAir 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
9,413 reviews

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,413 reviews
United Airlines
7.4
Good
9,413 reviews

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.1
Good
11,415 reviews
United Airlines
7.4
Good
9,413 reviews

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Air Canada
7.1
Good
10,800 reviews
United Airlines
7.4
Good
9,413 reviews

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Iberia
7.0
Good
3,133 reviews
United Airlines
7.4
Good
9,413 reviews

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
British Airways
6.7
Okay
7,781 reviews
United Airlines
7.4
Good
9,413 reviews

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 $600, United Airlines can have you in Spain from Houston in 19h 35m. There are 5003 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 $219 on American Airlines. Other airlines that offer cheap prices include Delta from $219 and British Airways from $244 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, October is the cheapest month in which you can book a flight from Houston to Spain (average of $393). Flying from Houston to Spain in June is currently the most expensive (average of $767). 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.

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 March 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$210Average$211FlexibilityNo cancel feeOn-time62%
DeltaCheapest$469Average$923FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$476Average$818FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$476Average$786FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$483Average$950FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$487Average$808FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$488Average$857FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$494Average$885FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$503Average$862FlexibilityNo cancel feeOn-time67%
KLMCheapest$522Average$861FlexibilityNo cancel feeOn-time75%

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