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$315+ 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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — BCN
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheapflights Tip: The best prices from Houston to Barcelona are usually found in February or January, booked 39 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 May 1, 2025.

Round-trip from

$708
(Delta)

One-way from

$315
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,184
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. 27% potential increase in price ($360 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($47 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/511:05 amIAH - BCN
1 stop15h 30mUnited Airlines
Sat 12/131:35 pmBCN - IAH
1 stop14h 44mUnited Airlines
Deal found 4/30$707
This Delta deal was found by Cheapflights users on 4/29. 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.
Thu 9/113:50 pmIAH - BCN
1 stop12h 25mDelta
Wed 9/246:10 amBCN - IAH
1 stop14h 25mDelta
Deal found 4/29$708
This Air Canada deal was found by Cheapflights users on 4/29. 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.
Fri 9/2610:00 amIAH - BCN
1 stop14h 50mAir Canada
Mon 10/612:10 pmBCN - IAH
2 stops16h 59mAir Canada
Deal found 4/29$714
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/21:00 pmHOU - BCN
2 stops22h 50mDelta
Tue 9/99:00 amBCN - HOU
2 stops31h 23mDelta
Deal found 4/30$716
This Scandinavian Airlines deal was found by Cheapflights users on 4/29. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/171:15 pmIAH - BCN
2 stops21h 55mScandinavian Airlines
Sun 8/319:40 amBCN - IAH
2 stops21h 14mScandinavian Airlines
Deal found 4/29$716
This Iberia deal was found by Cheapflights users on 4/29. 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.
Mon 10/132:35 pmHOU - BCN
1 stop12h 35mIberia
Tue 10/2112:20 pmBCN - HOU
1 stop14h 49mIberia
Deal found 4/29$717
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/129:00 pmIAH - BCN
1 stop15h 05mAmerican Airlines
Sun 9/283:40 pmBCN - IAH
1 stop15h 36mAmerican Airlines
Deal found 4/30$726
This Iberia deal was found by Cheapflights users on 4/29. 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.
Thu 8/142:38 pmIAH - BCN
1 stop12h 32mIberia
Thu 8/281:35 pmBCN - IAH
2 stops17h 07mIberia
Deal found 4/29$738
This Air France deal was found by Cheapflights users on 4/30. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/41:15 pmIAH - BCN
1 stop12h 25mAir France
Sat 12/138:20 pmBCN - IAH
1 stop24h 35mAir France
Deal found 4/30$739
This Gurufare deal was found by Cheapflights users on 4/29. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/262:25 pmHOU - BCN
1 stop12h 45mBritish Airways
Mon 10/612:20 pmBCN - HOU
1 stop16h 54mBritish Airways
Deal found 4/29$745
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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.
Sun 10/129:40 pmIAH - BCN
1 stop18h 00mBritish Airways
Sat 10/187:25 pmBCN - IAH
1 stop25h 20mBritish Airways
Deal found 4/29$757
This Mytrip deal was found by Cheapflights users on 4/30. 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.
Wed 5/286:00 amIAH - BCN
3 stops25h 25mMultiple Airlines
Wed 6/46:30 amBCN - IAH
2 stops39h 14mMultiple Airlines
Deal found 4/30$762

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 May 1, 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

Thu 9/11

3:50 pm-11:15 am

1 stop12h 25m

Barcelona-El Prat

Fri 9/26

6:10 am-1:35 pm

1 stop14h 25m

$708

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

Fri 9/19

4:25 pm-8:20 am

2 stops32h 55m

Barcelona-El Prat

Sat 9/27

1:15 pm-1:15 pm

2 stops31h 00m

$710

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

Fri 9/26

7:20 am-7:50 am

2 stops17h 30m

Barcelona-El Prat

Mon 10/6

12:10 pm-7:42 pm

1 stop14h 32m

$714

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

Sun 8/17

1:15 pm-6:10 pm

2 stops21h 55m

Barcelona-El Prat

Sun 8/31

9:40 am-11:54 pm

2 stops21h 14m

$716

HoustonBarcelona

HOU - BCN

HOUBCN

Houston Hobby

Tue 9/2

1:00 pm-6:50 pm

2 stops22h 50m

Barcelona-El Prat

Tue 9/9

9:00 am-9:23 am

2 stops31h 23m

$716

HoustonBarcelona

HOU - BCN

HOUBCN

Houston Hobby

Mon 10/13

2:35 pm-10:10 am

1 stop12h 35m

Barcelona-El Prat

Tue 10/21

12:20 pm-8:09 pm

1 stop14h 49m

$717

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

Fri 9/12

9:00 pm-7:05 pm

1 stop15h 05m

Barcelona-El Prat

Sun 9/28

3:40 pm-12:16 am

1 stop15h 36m

$726

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

Thu 8/14

2:38 pm-10:10 am

1 stop12h 32m

Barcelona-El Prat

Thu 8/28

1:35 pm-11:42 pm

2 stops17h 07m

$738

HoustonBarcelona

HOU - BCN

HOUBCN

Houston Hobby

Fri 9/26

2:25 pm-10:10 am

1 stop12h 45m

Barcelona-El Prat

Mon 10/6

12:20 pm-10:14 pm

1 stop16h 54m

$745

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

Sun 10/12

9:40 pm-10:40 pm

1 stop18h 00m

Barcelona-El Prat

Sat 10/18

7:25 pm-1:45 pm

1 stop25h 20m

$757

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 43 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 April 25, 2025.

The best time to book flights from Houston to Barcelona is 39 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 $1,064). 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 May 1, 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.

Rainfall in Barcelona by month

Plan your trip to Barcelona by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Barcelona ranges from 0.8 - 3.6 inches per month. October is typically the wettest month, when rainfall can reach 3.6 in. July is typically the driest time to visit Barcelona when rainfall is around 0.8 in.

Temperature in Barcelona by month

Plan your trip to Barcelona by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Barcelona, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 May 1, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Austrian Airlines from Houston to Barcelona to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
781 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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?

    Delta, at $708, was found to be the cheapest airline from Houston to Barcelona.Alternate airlines to your destination round-trip include United Airlines and Air Canada. Delta is 24% 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 $410. However, be on the lookout for offers from British Airways 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 London. Paris sees the second most layovers for non-direct flights flying from Houston to Barcelona.

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

    Hyde Park, Piccadilly Circus, and Buckingham Palace are the most popular attractions in London if you're in need of something to do during your layover. Hyde Park, Piccadilly Circus and Buckingham Palace are located about 12.5 mi, 14.1 mi, and 13.7 mi, respectively from London Heathrow if you are interested in checking them out. Those on a layover in London in need of a rental car can book one at London Heathrow for about $53.

  • What are some popular points of interest to see during a layover in Paris?

    Most Paris visitors opt to spend their time at Eiffel Tower, Champs-Elysées, and Louvre Museum. Travelers on a layover in Paris can visit Eiffel Tower, Champs-Elysées, and Louvre Museum, by traveling 15.8 mi, 14.7 mi, and 14.3 mi, respectively after landing at Paris Charles de Gaulle. Those landing in Paris looking to spend some time exploring during their layover can rent a car for about $42 per day.

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

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

  • 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 $1,064). 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

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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$438Average$796FlexibilityNo cancel feeOn-time60%
DeltaCheapest$508Average$1,087FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$537Average$1,016FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$548Average$1,054FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$553Average$963FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$571Average$1,037FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$572Average$1,095FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$581Average$1,242FlexibilityNo cancel feeOn-time67%
KLMCheapest$597Average$1,124FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$620Average$763FlexibilityNo cancel feeOn-time77%

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