HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Barcelona

$230+ Cheap flights from George Bush Intcntl (IAH) to Barcelona

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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — BCN
feb. 5 — feb. 121
jue. 2/5
jue. 2/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from George Bush Intcntl to Barcelona 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 George Bush Intcntl to Barcelona

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Barcelona (S37). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 6, 2026.

Round-trip from

$485
(Kiwi.com)

One-way from

$230
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$628
From Houston George Bush Intcntl to Barcelona
Search Deals
One-way flight from Houston George Bush Intcntl to Barcelona
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($314 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Find flight deals from George Bush Intcntl to Barcelona

Cheapest flights from George Bush Intcntl to Barcelona
Explore the most affordable flight options available from George Bush Intcntl to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 6, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/277:05 amIAH - BCN
1 stop23h 15mMultiple Airlines
lun. 5/46:40 pmBCN - IAH
1 stop27h 35mMultiple Airlines
Deal found 1/6$485
This Cheapflightsfares deal was found by Cheapflights users on 1/6. 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.
mié. 4/153:30 pmIAH - BCN
1 stop15h 45mBritish Airways
mié. 4/2210:45 amBCN - IAH
1 stop15h 33mBritish Airways
Deal found 1/6$522
This Cheapflightsfares deal was found by Cheapflights users on 1/5. 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.
mié. 4/89:05 pmIAH - BCN
1 stop14h 40mBritish Airways
vie. 4/1712:20 pmBCN - IAH
1 stop16h 09mBritish Airways
Deal found 1/5$523
This Iberia deal was found by Cheapflights users on 1/6. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/172:09 pmIAH - BCN
2 stops15h 31mIberia
jue. 2/269:15 amBCN - IAH
2 stops17h 45mIberia
Deal found 1/6$526
This American Airlines deal was found by Cheapflights users on 1/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 1/193:50 pmIAH - BCN
1 stop14h 50mAmerican Airlines
mar. 2/310:40 amBCN - IAH
1 stop17h 30mAmerican Airlines
Deal found 1/6$527
This oojo deal was found by Cheapflights users on 1/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/87:43 pmIAH - BCN
2 stops17h 22mBritish Airways
mar. 3/1710:20 amBCN - IAH
1 stop17h 07mBritish Airways
Deal found 1/6$528
This Cheapflightsfares deal was found by Cheapflights users on 1/6. 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.
mar. 1/209:35 amIAH - BCN
1 stop16h 15mBritish Airways
vie. 1/3011:00 amBCN - IAH
1 stop17h 22mBritish Airways
Deal found 1/6$529
This KLM deal was found by Cheapflights users on 1/6. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 1/196:37 pmIAH - BCN
1 stop31h 03mKLM
mar. 2/310:15 amBCN - IAH
2 stops17h 58mKLM
Deal found 1/6$531
This American Airlines deal was found by Cheapflights users on 1/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/159:05 pmIAH - BCN
1 stop14h 40mAmerican Airlines
mié. 4/2212:20 pmBCN - IAH
1 stop18h 35mAmerican Airlines
Deal found 1/5$532
This Iberia deal was found by Cheapflights users on 1/6. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 1/2712:39 pmIAH - BCN
1 stop13h 11mIberia
mar. 2/31:30 pmBCN - IAH
2 stops18h 15mIberia
Deal found 1/6$533
This oojo deal was found by Cheapflights users on 1/5. 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.
mié. 2/184:36 pmIAH - BCN
2 stops22h 54mBritish Airways
lun. 2/239:00 pmBCN - IAH
1 stop24h 05mBritish Airways
Deal found 1/5$534
This Delta deal was found by Cheapflights users on 1/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/115:05 pmIAH - BCN
1 stop18h 00mDelta
lun. 3/2311:10 amBCN - IAH
1 stop33h 20mDelta
Deal found 1/6$536

Cheapflights Fare Finder

 
Customize your flight search to find flights from George Bush Intcntl to Barcelona 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 enero 6, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Barcelona that are best for you.

Fly from

George Bush Intcntl

Fly to

Barcelona

Route

Depart

Return

Price

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

mar. 1/20

12:40 pm-3:00 pm

2 stops19h 20m

Barcelona-El Prat

vie. 1/30

6:00 am-1:30 pm

1 stop14h 30m

$541

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

mié. 2/11

4:05 pm-5:05 pm

1 stop18h 00m

Barcelona-El Prat

mar. 2/17

11:10 am-10:32 pm

2 stops18h 22m

$546

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

mar. 1/27

12:40 pm-2:00 pm

2 stops18h 20m

Barcelona-El Prat

mar. 2/3

11:10 am-11:56 pm

2 stops19h 46m

$551

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

dom. 2/15

1:16 pm-9:00 am

1 stop12h 44m

Barcelona-El Prat

dom. 3/8

9:35 am-7:03 pm

1 stop15h 28m

$578

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

jue. 2/12

4:05 pm-7:20 pm

1 stop20h 15m

Barcelona-El Prat

lun. 2/16

10:05 am-1:30 pm

1 stop34h 25m

$586

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

vie. 2/20

12:49 pm-8:00 am

1 stop12h 11m

Barcelona-El Prat

lun. 3/2

7:55 pm-1:30 pm

1 stop24h 35m

$587

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

vie. 2/6

6:36 am-8:00 am

2 stops18h 24m

Barcelona-El Prat

mar. 2/10

10:15 am-11:56 pm

2 stops20h 41m

$595

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

mié. 3/4

3:08 pm-4:30 pm

2 stops18h 22m

Barcelona-El Prat

lun. 3/16

6:00 am-9:11 pm

2 stops21h 11m

$607

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

mié. 2/11

12:10 pm-9:35 am

1 stop14h 25m

Barcelona-El Prat

mar. 2/17

1:35 pm-3:22 pm

2 stops32h 47m

$609

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

mar. 3/3

11:55 am-2:45 pm

2 stops19h 50m

Barcelona-El Prat

vie. 3/13

7:40 am-12:09 am

2 stops22h 29m

$613

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 22 results
1
2
3

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

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

How far ahead should I book a flight from Houston George Bush Intcntl Airport to Barcelona?

Use this chart to determine the optimal time to book a round-trip flight from George Bush Intcntl to Barcelona. Price data was last updated on January 2, 2026.

The price you pay for your flight from Houston George Bush Intcntl Airport to Barcelona may vary depending on when you book. For the best chance of a lower fare, look to book 25 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, October is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Barcelona (average of $531). Flying from Houston George Bush Intcntl Airport to Barcelona in June is currently the most expensive (average of $1,038). 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 much does it cost to fly round-trip from Houston George Bush Intcntl Airport to Barcelona?

Reviews of airlines servicing Barcelona

Get insights into the airlines that provide service to Barcelona. 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 Barcelona. Reviews last updated enero 6, 2026.
See what other customers who have flown with United Airlines, Turkish Airlines, and Air Canada from Houston George Bush Intcntl Airport to Barcelona have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,138 reviews

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.4
Good
9,138 reviews
United Airlines
7.4
Good
9,138 reviews

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
Turkish Airlines
7.3
Good
4,152 reviews
United Airlines
7.4
Good
9,138 reviews

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
Air Canada
7.1
Good
10,600 reviews
United Airlines
7.4
Good
9,138 reviews

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
Iberia
7.0
Good
3,074 reviews
United Airlines
7.4
Good
9,138 reviews

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
British Airways
6.7
Okay
7,655 reviews
United Airlines
7.4
Good
9,138 reviews

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl to Barcelona. 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 Barcelona?

    Airlines like Delta and British Airways fly from Houston George Bush Intcntl Airport to Barcelona in about 12h 44m. The time it takes to get you to your destination can typically vary by up to 6h 36m. Houston George Bush Intcntl Airport and Barcelona are separated by a distance of 5232 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Houston George Bush Intcntl Airport to Barcelona round-trip?

    According to our current data, Iberia ($531), KLM ($556), and British Airways ($565) offers the cheapest pricing from Houston George Bush Intcntl Airport to Barcelona. Iberia is priced at 39% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $252. However, be on the lookout for offers from British Airways and Lufthansa, as they are both options that can get you from Houston George Bush Intcntl Airport to Barcelona for a low price.

  • Where are the most common layover locations when flying from Houston George Bush Intcntl Airport to Barcelona?

    Houston George Bush Intcntl Airport to Barcelona flights have a layover in Frankfurt am Main most of the time.

  • What are some popular things to do or see while on a layover in Frankfurt am Main?

    If you're on a layover in Frankfurt am Main and looking for things to do, consider visiting Römerberg, Konstablerwache, or Festhalle. Römerberg, Konstablerwache, and Festhalle can be visited by traveling about 7.4 mi, 7.7 mi, and 6.5 mi respectively from Frankfurt am Main. Those on a layover in Frankfurt am Main in need of a rental car can book one at Frankfurt am Main for about $46.

  • Where are the least popular layover locations for Houston George Bush Intcntl Airport to Barcelona flights?

    The least popular layover on flights from Houston George Bush Intcntl Airport to Barcelona is London.

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

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

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

    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 Barcelona.

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

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

    Currently, October is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Barcelona (average of $531). Flying from Houston George Bush Intcntl Airport to Barcelona in June is currently the most expensive (average of $1,038). 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 Barcelona

See prices for flight routes from nearby airports that may be better suited for you.
Hobby to Barcelona-El Prat flights
George Bush Intcntl to Barcelona-El Prat flights

Top 10 airlines flying from George Bush Intcntl to Barcelona

Discover the top 10 airlines that operate flights from George Bush Intcntl to Barcelona. 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 enero 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$531Average$979FlexibilityNo cancel feeOn-time77%
KLMCheapest$556Average$860FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$565Average$791FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$567Average$795FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$572Average$997FlexibilityNo cancel feeOn-time69%
DeltaCheapest$592Average$853FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$606Average$989FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$625Average$1,060FlexibilityNo cancel feeOn-time71%
Turkish AirlinesCheapest$642Average$743FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$707Average$1,184FlexibilityNo cancel feeOn-time77%

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.