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Cheap flights from Spain to Houston from $370

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Spain to Houston departing on 10/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Spain to Houston

Recent round-trip flight deals from Spain to Houston

Enter your travel dates to find the best prices.
United Airlines Logo
1:05 pm - 5:55 pm
MAD
-
IAH
35h 50m
1 stop
United Airlines Logo
5:20 pm - 6:50 am
IAH
-
MAD
30h 30m
2 stops
$737United Airlines
Thu, Jun 4 - Sat, Jun 6
ITA Airways Logo
6:20 am - 3:40 pm
BCN
-
IAH
16h 20m
1 stop
ITA Airways Logo
6:10 pm - 11:15 pm
IAH
-
BCN
22h 05m
1 stop
$741ITA Airways
Fri, May 29 - Sun, Jun 14
Multiple Airlines Logo
3:30 pm - 11:42 am
BCN
-
IAH
27h 12m
1 stop
Multiple Airlines Logo
8:37 pm - 1:00 pm
IAH
-
BCN
33h 23m
1 stop
$763Multiple Airlines
Fri, May 29 - Sun, Jun 14
JetBlue Logo
2:05 pm - 1:24 pm
MAD
-
IAH
30h 19m
1 stop
JetBlue Logo
1:27 pm - 11:30 am
IAH
-
MAD
15h 03m
1 stop
$787JetBlue
Tue, Jun 9 - Tue, Jul 7
JetBlue Logo
2:05 pm - 1:24 pm
MAD
-
IAH
30h 19m
1 stop
JetBlue Logo
1:27 pm - 11:30 am
IAH
-
MAD
15h 03m
1 stop
$803JetBlue
Thu, Jun 4 - Wed, Jun 17
Lufthansa Logo
6:45 am - 3:10 pm
BIO
-
IAH
14h 25m
1 stop
Lufthansa Logo
4:30 pm - 4:45 pm
IAH
-
BIO
17h 15m
1 stop
$890Lufthansa
Fri, Oct 30 - Mon, Nov 9
Lufthansa Logo
6:45 am - 12:14 am
BIO
-
IAH
23h 29m
2 stops
Lufthansa Logo
4:30 pm - 4:45 pm
IAH
-
BIO
17h 15m
1 stop
$899Lufthansa
Fri, Oct 30 - Mon, Nov 9
Multiple Airlines Logo
12:15 am - 3:40 pm
ALC
-
IAH
22h 25m
2 stops
Multiple Airlines Logo
6:10 pm - 10:25 pm
IAH
-
ALC
21h 15m
2 stops
$905Multiple Airlines
Fri, Oct 16 - Fri, Oct 23
Delta Logo
6:35 am - 1:20 pm
VLC
-
IAH
13h 45m
1 stop
Delta Logo
5:20 am - 11:35 am
IAH
-
VLC
23h 15m
2 stops
$918Delta
Thu, Jun 4 - Tue, Jun 9
Delta Logo
5:25 pm - 1:20 pm
AGP
-
IAH
26h 55m
1 stop
Delta Logo
5:00 pm - 6:40 pm
IAH
-
AGP
18h 40m
1 stop
$919Delta
Mon, Jun 1 - Sun, Jun 7

United Airlines flights from Spain to Houston George Bush Intcntl Airport

Our best United Airlines deals on Spain to Houston George Bush Intcntl Airport flight tickets
United Airlines
Jun 4
MAD1:05 pmMadrid Barajas
35h 50m
1 stop
IAH5:55 pmHouston George Bush Intcntl
Jun 6
IAH5:20 pmHouston George Bush Intcntl
30h 30m
2 stops
MAD6:50 amMadrid Barajas
$737
United Airlines
May 22
BCN12:00 pmBarcelona-El Prat
17h 38m
1 stop
IAH10:38 pmHouston George Bush Intcntl
May 24
IAH12:00 pmHouston George Bush Intcntl
14h 00m
1 stop
BCN9:00 amBarcelona-El Prat
$907
United Airlines
Jun 4
BIO6:50 amBilbao
18h 05m
1 stop
IAH5:55 pmHouston George Bush Intcntl
Jun 9
IAH9:35 amHouston George Bush Intcntl
18h 10m
2 stops
BIO10:45 amBilbao
$912

ITA Airways flights from Spain to Houston George Bush Intcntl Airport

Our best ITA Airways deals on Spain to Houston George Bush Intcntl Airport flight tickets
ITA Airways
May 29
BCN6:20 amBarcelona-El Prat
16h 20m
1 stop
IAH3:40 pmHouston George Bush Intcntl
Jun 14
IAH6:10 pmHouston George Bush Intcntl
22h 05m
1 stop
BCN11:15 pmBarcelona-El Prat
$741
ITA Airways
May 29
BCN6:20 amBarcelona-El Prat
16h 20m
1 stop
IAH3:40 pmHouston George Bush Intcntl
Jun 14
IAH6:10 pmHouston George Bush Intcntl
22h 05m
1 stop
BCN11:15 pmBarcelona-El Prat
$750
ITA Airways
May 29
BCN6:20 amBarcelona-El Prat
16h 20m
1 stop
IAH3:40 pmHouston George Bush Intcntl
Jun 14
IAH6:10 pmHouston George Bush Intcntl
22h 05m
1 stop
BCN11:15 pmBarcelona-El Prat
$752

momondo Fare Finder

 
Customize your flight search to find flights from Spain to Houston George Bush Intcntl Airport 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, momondo users made 832,500 searches. Data last updated May 19, 2026.
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

Cheapest round-trip

MadridHouston

MAD - IAH

MADIAH

Madrid Barajas

Thu 6/4

1:05 pm-5:55 pm

1 stop35h 50m

Houston George Bush Intcntl

Sat 6/6

5:20 pm-6:50 am

2 stops30h 30m

$737

BarcelonaHouston

BCN - IAH

BCNIAH

Barcelona-El Prat

Fri 5/29

6:20 am-3:40 pm

1 stop16h 20m

Houston George Bush Intcntl

Sun 6/14

6:10 pm-11:15 pm

1 stop22h 05m

$741

BarcelonaHouston

BCN - IAH

BCNIAH

Barcelona-El Prat

Fri 5/29

3:30 pm-11:42 am

1 stop27h 12m

Houston George Bush Intcntl

Sun 6/14

8:37 pm-1:00 pm

1 stop33h 23m

$763

MadridHouston

MAD - IAH

MADIAH

Madrid Barajas

Tue 6/9

2:05 pm-1:24 pm

1 stop30h 19m

Houston George Bush Intcntl

Tue 7/7

1:27 pm-11:30 am

1 stop15h 03m

$787

MadridHouston

MAD - IAH

MADIAH

Madrid Barajas

Thu 6/4

2:05 pm-1:24 pm

1 stop30h 19m

Houston George Bush Intcntl

Wed 6/17

1:27 pm-11:30 am

1 stop15h 03m

$803
Quickest round-trip

BilbaoHouston

BIO - IAH

BIOIAH

Bilbao

Fri 10/30

6:45 am-3:10 pm

1 stop14h 25m

Houston George Bush Intcntl

Mon 11/9

4:30 pm-4:45 pm

1 stop17h 15m

$890

BilbaoHouston

BIO - IAH

BIOIAH

Bilbao

Fri 10/30

6:45 am-12:14 am

2 stops23h 29m

Houston George Bush Intcntl

Mon 11/9

4:30 pm-4:45 pm

1 stop17h 15m

$899

AlicanteHouston

ALC - IAH

ALCIAH

Alicante

Fri 10/16

12:15 am-3:40 pm

2 stops22h 25m

Houston George Bush Intcntl

Fri 10/23

6:10 pm-10:25 pm

2 stops21h 15m

$905

ValenciaHouston

VLC - IAH

VLCIAH

Valencia

Thu 6/4

6:35 am-1:20 pm

1 stop13h 45m

Houston George Bush Intcntl

Tue 6/9

5:20 am-11:35 am

2 stops23h 15m

$918

MálagaHouston

AGP - IAH

AGPIAH

Malaga

Mon 6/1

5:25 pm-1:20 pm

1 stop26h 55m

Houston George Bush Intcntl

Sun 6/7

5:00 pm-6:40 pm

1 stop18h 40m

$919

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Houston from

How to get the cheapest flight ticket from Spain to Houston George Bush Intcntl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

The month of October is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Spain, with most prices found around $108. If you are unable to visit Houston George Bush Intcntl Airport during the month of October, then departing from Spain during the month September is also very affordable. Most momondo users find prices during this month for around $295.

Can stopping save me money on Spain to Houston George Bush Intcntl Airport flights?

You could potentially save up to 20% on your flight if you consider stops on a Spain to Houston George Bush Intcntl Airport flight.

Cheap Spain to Houston George Bush Intcntl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Spain to Houston George Bush Intcntl Airport

Fastest flight time

14h 15m

Direct flights

None
The fastest flight from Spain to Houston George Bush Intcntl Airport takes 14h 15m
There are no direct flights from Spain to Houston George Bush Intcntl Airport. There are no popular flight routes from Spain to Houston George Bush Intcntl Airport.
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Frequently asked questions about flying from Spain to Houston George Bush Intcntl Airport

  • When did momondo last update prices for flights from Spain to Houston George Bush Intcntl Airport?

    Prices for flights from Spain to Houston George Bush Intcntl Airport refresh daily.

  • How old do you have to be to fly from Spain to Houston George Bush Intcntl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Spain to Houston George Bush Intcntl Airport.

  • What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?

    The required travel and health documents for your Houston George Bush Intcntl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Houston George Bush Intcntl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
Katy
The Woodlands
Conroe
Humble
Spring
Cypress
Montgomery
Jersey Village
Tomball
Livingston

Why use momondo?

Why should I use momondo to find a flight deal from Spain to Houston?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Spain to Houston. momondo saves you time and could save you money on your trip.

Can I find flights from Spain to Houston with flexible booking policies on momondo?

momondo does allow users to show only those flights to Houston from Spain which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Spain to Houston?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Spain to Houston.

I’m not ready to book a flight from Spain to Houston right now. Can momondo alert me if prices change?

Price alerts on flights to Houston from Spain are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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