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$240+ Cheap flights from Houston 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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — BCN
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Houston to Barcelona are usually found in October or February, booked 38 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from Houston to Barcelona

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) 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 September 15, 2025.

Round-trip from

$601
(Air Canada)

One-way from

$240
(Kiwi.com)

Popular in

May

Cheapest in

October

Average price

$712
From Houston to Barcelona
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One-way flight from Houston to Barcelona
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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 Barcelona

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

This Mytrip deal was found by Cheapflights users on 9/13. 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.
Tue 9/307:20 amIAH - BCN
2 stops17h 30mAir Canada
Wed 10/156:50 amBCN - IAH
2 stops35h 14mAir Canada
Deal found 9/13$611
This Air Canada deal was found by Cheapflights users on 9/13. 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.
Mon 10/1310:00 amIAH - BCN
2 stops16h 20mAir Canada
Wed 10/229:40 amBCN - IAH
2 stops17h 02mAir Canada
Deal found 9/13$612
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.
Sat 11/86:44 pmHOU - BCN
1 stop30h 56mDelta
Tue 11/1810:15 amBCN - HOU
2 stops20h 31mDelta
Deal found 9/15$613
This Air Canada deal was found by Cheapflights users on 9/13. 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.
Mon 10/67:20 amIAH - BCN
2 stops17h 30mAir Canada
Wed 10/229:40 amBCN - IAH
2 stops17h 02mAir Canada
Deal found 9/13$613
This Delta deal was found by Cheapflights users on 9/13. 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.
Sun 9/285:20 amIAH - BCN
2 stops17h 40mDelta
Fri 10/109:00 amBCN - IAH
1 stop33h 29mDelta
Deal found 9/13$614
This FlightHub deal was found by Cheapflights users on 9/13. 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 11/2411:50 amIAH - BCN
1 stop14h 45mMultiple Airlines
Mon 12/18:30 pmBCN - IAH
2 stops32h 14mMultiple Airlines
Deal found 9/13$615
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.
Sat 11/223:19 pmIAH - BCN
1 stop33h 41mDelta
Tue 12/210:15 amBCN - IAH
1 stop32h 37mDelta
Deal found 9/14$616
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2210:00 amIAH - BCN
1 stop14h 50mMultiple Airlines
Mon 9/296:55 pmBCN - IAH
1 stop25h 40mMultiple Airlines
Deal found 9/14$617
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/63:50 pmIAH - BCN
1 stop19h 35mBritish Airways
Tue 11/186:40 amBCN - IAH
1 stop14h 25mBritish Airways
Deal found 9/15$618
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1211:18 amIAH - BCN
1 stop12h 47mIberia
Sun 11/169:15 amBCN - IAH
2 stops21h 17mIberia
Deal found 9/14$619
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.
Tue 11/116:53 pmHOU - BCN
2 stops30h 07mDelta
Tue 11/1810:15 amBCN - HOU
2 stops20h 31mDelta
Deal found 9/14$620
This Mytrip deal was found by Cheapflights users on 9/13. 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.
Thu 10/163:00 pmIAH - BCN
2 stops27h 30mMultiple Airlines
Wed 10/2210:40 pmBCN - IAH
2 stops32h 16mMultiple Airlines
Deal found 9/13$620

Cheapflights Fare Finder

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

Fly from

Houston

Fly to

Barcelona

Route

Depart

Return

Price

HoustonBarcelona

HOU - BCN

HOUBCN

Houston Hobby

Sat 11/8

6:44 pm-8:40 am

1 stop30h 56m

Barcelona-El Prat

Tue 11/18

10:15 am-11:46 pm

2 stops20h 31m

$613

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

Mon 11/17

9:45 pm-7:45 pm

1 stop15h 00m

Barcelona-El Prat

Mon 12/1

8:00 pm-2:05 pm

1 stop25h 05m

$613

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

Fri 2/20

11:26 am-7:05 am

1 stop12h 39m

Barcelona-El Prat

Mon 3/2

8:00 pm-2:05 pm

1 stop25h 05m

$617

HoustonBarcelona

HOU - BCN

HOUBCN

Houston Hobby

Thu 1/8

12:22 pm-8:50 am

1 stop13h 28m

Barcelona-El Prat

Thu 1/22

10:40 am-8:05 pm

1 stop16h 25m

$618

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

Mon 11/10

9:45 pm-5:55 pm

1 stop13h 10m

Barcelona-El Prat

Sun 11/16

12:15 pm-8:00 pm

1 stop14h 45m

$618

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

Tue 11/4

3:50 pm-4:05 pm

1 stop17h 15m

Barcelona-El Prat

Sat 11/15

6:40 am-8:00 pm

1 stop20h 20m

$618

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

Wed 2/25

3:50 pm-1:40 pm

1 stop14h 50m

Barcelona-El Prat

Sun 3/1

8:00 pm-2:05 pm

1 stop25h 05m

$618

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

Sun 11/9

3:50 pm-11:25 am

1 stop12h 35m

Barcelona-El Prat

Sat 11/15

2:40 pm-2:05 pm

1 stop30h 25m

$618

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

Thu 11/6

3:50 pm-6:25 pm

1 stop19h 35m

Barcelona-El Prat

Tue 11/11

6:40 am-2:05 pm

1 stop14h 25m

$618

HoustonBarcelona

HOU - BCN

HOUBCN

Houston Hobby

Tue 11/11

6:53 pm-8:00 am

2 stops30h 07m

Barcelona-El Prat

Tue 11/18

10:15 am-11:46 pm

2 stops20h 31m

$620

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 36 results
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Best time to book a flight from Houston to Barcelona

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

How far ahead should I book a flight from Houston to Barcelona?

Use this chart to determine the optimal time to book a round-trip flight from Houston to Barcelona. Price data was last updated on September 12, 2025.

The best time to book flights from Houston to Barcelona is 38 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Houston to Barcelona (average of $523). Flying from Houston to Barcelona in June is currently the most expensive (average of $1,059). 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 BCN?

Find hourly flight availability from Houston to Barcelona. 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.

It’s typically best to fly out from Houston to Barcelona in the evening. Doing so could potentially save you 32% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Houston to Barcelona?

Use this chart to determine the cheapest time to fly round-trip from Houston to Barcelona. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Houston to Barcelona flight should consider departing on Wednesday evenings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 September 15, 2025.
Read through reviews of airlines operating flights from Houston to Barcelona, such as United Airlines, Turkish Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,929 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

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

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

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??
Turkish Airlines
7.3
Good
3,968 reviews
United Airlines
7.4
Good
8,929 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

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

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

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

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

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

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

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 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 to Barcelona?

    A quick flight from Houston to Barcelona can take about 15h. Delta provides one of the quickest options available for as low as $613. Airlines will cover a distance of 5232 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Houston to Barcelona round-trip?

    Delta, at $495, was found to be the cheapest airline from Houston to Barcelona.Alternate airlines to your destination round-trip include KLM and Air Canada. Delta is 44% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $453. However, be on the lookout for offers from Iberia and Delta, as they are both options that can get you from Houston to Barcelona for a low price.

  • Where are the most common layover locations when flying from Houston to Barcelona?

    The most popular layover on flights from Houston to Barcelona is Frankfurt am Main.

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

    Römerberg, Hauptwache, and Festhalle are the most popular attractions in Frankfurt am Main if you're in need of something to do during your layover. Römerberg, Hauptwache and Festhalle are located about 7.4 mi, 7.4 mi, and 6.5 mi, respectively from Frankfurt am Main if you are interested in checking them out. Those on a layover in Frankfurt am Main in need of a rental car can book one at Frankfurt am Main for about $40.

  • Where are the least popular layover locations for Houston to Barcelona flights?

    The least popular layover on flights from Houston to Barcelona is London.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Houston 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 to Barcelona?

    Currently, January is the cheapest month in which you can book a flight from Houston to Barcelona (average of $523). Flying from Houston to Barcelona in June is currently the most expensive (average of $1,059). 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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Top 10 airlines flying from Houston to Barcelona

Discover the top 10 airlines that operate flights from Houston 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$495Average$876FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$514Average$982FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$523Average$873FlexibilityNo cancel feeOn-time67%
IberiaCheapest$531Average$993FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$548Average$982FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$558Average$962FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$565Average$870FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$582Average$1,012FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$614Average$1,071FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$620Average$755FlexibilityNo cancel feeOn-time77%

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