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$214+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — BCN
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheapflights Tip: The best prices from Houston to Barcelona are usually found in February or January, 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 July 31, 2025.

Round-trip from

$654
(Booking.com)

One-way from

$214
(Mytrip)

Popular in

May

Cheapest in

February

Average price

$1,226
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. 18% potential increase in price ($198 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 July 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 July 31, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/31. 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 11/265:10 pmIAH - BCN
2 stops22h 55mLufthansa
Mon 12/16:20 pmBCN - IAH
2 stops27h 15mLufthansa
Deal found 7/31$651
This Booking.com deal was found by Cheapflights users on 7/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1510:00 amIAH - BCN
1 stop14h 50mAir Canada
Tue 9/231:15 pmBCN - IAH
2 stops37h 27mAir Canada
Deal found 7/30$654
This Cheapflightsfares deal was found by Cheapflights users on 7/31. 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 9/92:27 pmIAH - BCN
1 stop12h 43mIberia
Thu 9/2512:20 pmBCN - IAH
1 stop14h 52mIberia
Deal found 7/31$656
This Iberia deal was found by Cheapflights users on 7/31. 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.
Tue 9/302:33 pmHOU - BCN
1 stop12h 37mIberia
Sat 10/1112:20 pmBCN - HOU
1 stop16h 54mIberia
Deal found 7/31$657
This British Airways deal was found by Cheapflights users on 7/31. 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.
Wed 9/179:00 pmIAH - BCN
1 stop16h 30mBritish Airways
Tue 9/232:00 pmBCN - IAH
1 stop14h 58mBritish Airways
Deal found 7/31$657
This Mytrip deal was found by Cheapflights users on 7/30. 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.
Mon 9/152:54 pmIAH - BCN
3 stops19h 01mMultiple Airlines
Tue 9/2312:15 pmBCN - IAH
3 stops39h 52mMultiple Airlines
Deal found 7/30$660
This British Airways deal was found by Cheapflights users on 7/31. 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.
Wed 9/32:33 pmHOU - BCN
1 stop12h 37mBritish Airways
Wed 9/1712:20 pmBCN - HOU
1 stop14h 51mBritish Airways
Deal found 7/31$662
This United Airlines deal was found by Cheapflights users on 7/31. 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 10/76:30 amIAH - BCN
2 stops18h 20mUnited Airlines
Thu 10/231:15 pmBCN - IAH
2 stops30h 46mUnited Airlines
Deal found 7/31$666
This Ovago deal was found by Cheapflights users on 7/30. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/189:00 pmIAH - BCN
1 stop19h 10mTurkish Airlines
Thu 10/27:50 amBCN - IAH
1 stop18h 15mTurkish Airlines
Deal found 7/30$668
This KLM deal was found by Cheapflights users on 7/30. 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.
Wed 10/82:22 pmHOU - BCN
1 stop11h 58mKLM
Wed 10/2211:35 amBCN - HOU
1 stop18h 25mKLM
Deal found 7/30$683
This Delta deal was found by Cheapflights users on 7/31. 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 9/2110:44 amHOU - BCN
1 stop15h 36mDelta
Tue 10/79:00 amBCN - HOU
2 stops31h 18mDelta
Deal found 7/31$687
This American Airlines deal was found by Cheapflights users on 7/28. 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.
Wed 9/1010:15 amHOU - BCN
1 stop16h 55mAmerican Airlines
Mon 9/1512:20 pmBCN - HOU
1 stop14h 51mAmerican Airlines
Deal found 7/28$713

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 July 31, 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

IAH - BCN

IAHBCN

Houston George Bush Intcntl

Mon 9/15

10:00 am-7:50 am

1 stop14h 50m

Barcelona-El Prat

Tue 9/23

1:15 pm-7:42 pm

2 stops37h 27m

$654

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

Tue 9/9

2:27 pm-10:10 am

1 stop12h 43m

Barcelona-El Prat

Thu 9/25

12:20 pm-8:12 pm

1 stop14h 52m

$656

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

Wed 9/17

9:00 pm-8:30 pm

1 stop16h 30m

Barcelona-El Prat

Tue 9/23

2:00 pm-9:58 pm

1 stop14h 58m

$657

HoustonBarcelona

HOU - BCN

HOUBCN

Houston Hobby

Tue 9/30

2:33 pm-10:10 am

1 stop12h 37m

Barcelona-El Prat

Sat 10/11

12:20 pm-10:14 pm

1 stop16h 54m

$657

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

Fri 1/2

8:44 am-9:00 am

1 stop17h 16m

Barcelona-El Prat

Fri 1/9

12:30 pm-9:35 pm

1 stop16h 05m

$658

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

Wed 9/17

3:35 pm-2:55 pm

2 stops16h 20m

Barcelona-El Prat

Mon 9/22

6:55 pm-1:35 pm

1 stop25h 40m

$661

HoustonBarcelona

HOU - BCN

HOUBCN

Houston Hobby

Wed 9/3

2:33 pm-10:10 am

1 stop12h 37m

Barcelona-El Prat

Wed 9/17

12:20 pm-8:11 pm

1 stop14h 51m

$662

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

Fri 1/2

4:30 pm-1:10 pm

1 stop13h 40m

Barcelona-El Prat

Fri 1/9

1:50 pm-10:33 am

2 stops27h 43m

$666

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

Thu 9/18

9:00 pm-11:10 pm

1 stop19h 10m

Barcelona-El Prat

Thu 10/2

7:50 am-7:05 pm

1 stop18h 15m

$668

HoustonBarcelona

HOU - BCN

HOUBCN

Houston Hobby

Wed 10/8

2:22 pm-9:20 am

1 stop11h 58m

Barcelona-El Prat

Wed 10/22

11:35 am-11:00 pm

1 stop18h 25m

$683

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 21 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 July 25, 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 $1,057). 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 July 31, 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.

How much does it cost to fly round-trip from Houston 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 July 31, 2025.
Read through reviews of airlines operating flights from Houston to Barcelona, such as Delta, KLM, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
655 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Turkish Airlines
7.3
Good
3,933 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    Air Canada, at $654, was found to be the cheapest airline from Houston to Barcelona.Alternate airlines to your destination round-trip include Iberia and British Airways. Air Canada is 27% 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 WestJet, with whom users have recently found tickets for as low as $390. However, be on the lookout for offers from Turkish Airlines 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 Historisches Museum Frankfurt are the most popular attractions in Frankfurt am Main if you're in need of something to do during your layover. Römerberg, Hauptwache and Historisches Museum Frankfurt are located about 7.4 mi, 7.4 mi, and 7.3 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 $48.

  • 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 $1,057). 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 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$495Average$967FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$507Average$982FlexibilityNo cancel feeOn-time77%
KLMCheapest$514Average$1,063FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$523Average$958FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$544Average$967FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$548Average$1,022FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$553Average$807FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$572Average$1,054FlexibilityNo cancel feeOn-time71%
Turkish AirlinesCheapest$620Average$752FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$642Average$1,039FlexibilityNo cancel feeOn-time76%

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