Barcelona

$255+ 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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — BCN
Jul 12 — Jul 191
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Cheap 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 June 12, 2026.

This United deal was found by Cheapflights users on 6/7. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/126:28 pm
IAH
-
BCN
1 stop31h 32m
Multiple Airlines
Sun 12/271:35 pm
BCN
-
IAH
1 stop15h 04m
Multiple Airlines
Deal found 6/7$928
This FlightHub deal was found by Cheapflights users on 6/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/109:42 am
IAH
-
BCN
2 stops39h 18m
Multiple Airlines
Mon 8/175:10 pm
BCN
-
IAH
1 stop27h 25m
Multiple Airlines
Deal found 6/8$929
This Cheapflightsfares deal was found by Cheapflights users on 6/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/303:40 pm
IAH
-
BCN
1 stop13h 40m
British Airways
Wed 8/1212:50 pm
BCN
-
IAH
1 stop16h 50m
British Airways
Deal found 6/7$932
This Cheapflightsfares deal was found by Cheapflights users on 6/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:44 pm
IAH
-
BCN
2 stops21h 21m
Lufthansa
Mon 8/176:40 pm
BCN
-
IAH
2 stops25h 55m
Lufthansa
Deal found 6/8$944
This KAYAK deal was found by Cheapflights users on 6/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/33:35 pm
IAH
-
BCN
1 stop13h 20m
Lufthansa
Wed 8/126:40 am
BCN
-
IAH
2 stops17h 39m
Lufthansa
Deal found 6/8$945
This Justfly.com deal was found by Cheapflights users on 6/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1611:45 am
IAH
-
BCN
2 stops22h 10m
TAP AIR PORTUGAL
Sun 9/2011:25 am
BCN
-
IAH
2 stops30h 30m
TAP AIR PORTUGAL
Deal found 6/10$947
This Cheapflightsfares deal was found by Cheapflights users on 6/9. 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.
Sat 8/15:09 pm
IAH
-
BCN
2 stops17h 46m
Lufthansa
Tue 8/116:40 am
BCN
-
IAH
1 stop13h 55m
Lufthansa
Deal found 6/9$948
This Justfly.com deal was found by Cheapflights users on 6/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/136:02 am
IAH
-
BCN
2 stops33h 08m
Multiple Airlines
Mon 7/278:00 am
BCN
-
IAH
2 stops21h 40m
Multiple Airlines
Deal found 6/10$949
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/183:20 pm
IAH
-
BCN
2 stops17h 15m
Delta
Sat 10/36:20 am
BCN
-
IAH
1 stop13h 55m
Delta
Deal found 6/10$950
This Travelocity deal was found by Cheapflights users on 6/12. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/66:02 am
IAH
-
BCN
2 stops33h 08m
Multiple Airlines
Mon 7/208:00 am
BCN
-
IAH
2 stops21h 40m
Multiple Airlines
Deal found 6/12$951
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 7/153:30 pm
IAH
-
BCN
1 stop17h 25m
British Airways
Mon 7/207:20 pm
BCN
-
IAH
1 stop25h 05m
British Airways
Deal found 6/11$952
This Mytrip deal was found by Cheapflights users on 6/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2211:45 am
IAH
-
BCN
2 stops26h 30m
Multiple Airlines
Tue 7/2810:00 pm
BCN
-
IAH
3 stops28h 38m
Multiple Airlines
Deal found 6/7$954

Find 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 June 12, 2026.

Round-trip from

$923
(Justfly.com)

One-way from

$255
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,243
From Houston George Bush Intcntl to Barcelona
One-way flight from Houston George Bush Intcntl to Barcelona
Highest demand for flights based on searches. 23% potential increase in price ($264 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
Average for round-trip flights in June 2026

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 June 12, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

Tue 7/14

2:35 pm-3:35 pm

2 stops18h 00m

Barcelona-El Prat

Thu 7/23

6:20 am-1:20 pm

1 stop14h 00m

$974

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

Wed 7/22

4:40 pm-2:55 pm

1 stop15h 15m

Barcelona-El Prat

Tue 7/28

7:55 am-10:06 pm

2 stops21h 11m

$981

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

Wed 7/22

3:25 pm-12:30 pm

1 stop14h 05m

Barcelona-El Prat

Tue 8/11

1:25 pm-11:52 pm

2 stops17h 27m

$984

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

Wed 7/8

3:25 pm-12:30 pm

1 stop14h 05m

Barcelona-El Prat

Wed 7/15

6:10 pm-2:50 pm

1 stop27h 40m

$994

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

Wed 9/16

11:45 am-4:55 pm

2 stops22h 10m

Barcelona-El Prat

Mon 9/21

11:25 am-12:05 pm

3 stops31h 40m

$1,017
Quickest round-trip

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

Sun 11/15

3:50 pm-11:25 am

1 stop12h 35m

Barcelona-El Prat

Thu 11/19

6:40 am-5:57 pm

2 stops18h 17m

$1,020

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

Thu 7/9

8:00 am-10:10 pm

2 stops31h 10m

Barcelona-El Prat

Thu 7/16

8:00 am-10:40 pm

2 stops21h 40m

$1,021

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

Mon 7/13

9:10 pm-5:35 pm

1 stop13h 25m

Barcelona-El Prat

Sat 7/25

9:15 pm-1:25 pm

1 stop23h 10m

$1,044

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

Fri 7/31

10:49 am-11:15 am

2 stops17h 26m

Barcelona-El Prat

Sat 8/8

6:20 am-11:52 pm

2 stops24h 32m

$1,092

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

Wed 10/7

11:45 am-4:55 pm

2 stops22h 10m

Barcelona-El Prat

Sun 10/18

11:25 am-12:05 pm

3 stops31h 40m

$1,107

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/7

Showing 1-10 of 24 resultsSorted by cheapest first
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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

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 $411). Flying from Houston George Bush Intcntl Airport to Barcelona in July is currently the most expensive (average of $655). 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?

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

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 84 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 June 12, 2026.
See what other customers who have flown with Delta,United Airlines, andAir 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.

Boarding

8.1

Overall

7.9

Food

7.2

Crew

8.5

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Overall

7.9

Food

7.2

Crew

8.5

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Overall

7.9

Food

7.2

Crew

8.5

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Overall

7.9

Food

7.2

Crew

8.5

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Overall

7.9

Food

7.2

Crew

8.5

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Overall

7.9

Food

7.2

Crew

8.5

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 Air Canada, United Airlines, and British Airways fly from Houston George Bush Intcntl Airport to Barcelona in about 13h 40m. The time it takes to get you to your destination can typically vary by up to 18h 45m. 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, Delta ($535), British Airways ($566), and Air France ($576) offers the cheapest pricing from Houston George Bush Intcntl Airport to Barcelona. Delta 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 British Airways, with whom users have recently found tickets for as low as $252. However, be on the lookout for offers from American Airlines and Iberia, as they are both options that can get you from Houston George Bush Intcntl Airport to Barcelona for a low price.

  • 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 $411). Flying from Houston George Bush Intcntl Airport to Barcelona in July is currently the most expensive (average of $655). 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 George Bush Intcntl to Barcelona

See prices for flight routes from nearby airports that may be better suited for you.

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 June 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$535Average$848FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$566Average$840FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$576Average$937FlexibilityNo cancel feeOn-time77%
KLMCheapest$582Average$885FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$586Average$984FlexibilityNo cancel feeOn-time69%
ITA AirwaysCheapest$607Average$977FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$622Average$984FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$625Average$1,067FlexibilityNo cancel feeOn-time71%
Turkish AirlinesCheapest$632Average$745FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$667Average$877FlexibilityNo cancel feeOn-time67%

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