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$249+ 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — BCN
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheapflights Tip: The best prices from Houston to Barcelona are usually found in October or September, booked 34 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap 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 December 18, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/17. 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 12/304:20 pmIAH - BCN
2 stops23h 40mSWISS
Sat 1/107:50 pmBCN - IAH
2 stops25h 50mSWISS
Deal found 12/17$799
This Air Canada deal was found by Cheapflights users on 12/17. 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.
Wed 12/3112:10 pmIAH - BCN
1 stop14h 25mAir Canada
Fri 1/96:50 amBCN - IAH
2 stops21h 54mAir Canada
Deal found 12/17$810
This oojo deal was found by Cheapflights users on 12/16. 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.
Tue 12/303:50 pmIAH - BCN
1 stop12h 30mBritish Airways
Sat 1/108:40 pmBCN - IAH
2 stops35h 05mBritish Airways
Deal found 12/16$888
This FlightHub deal was found by Cheapflights users on 12/17. 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.
Wed 12/314:50 pmIAH - BCN
1 stop23h 15mLufthansa
Fri 1/95:10 pmBCN - IAH
1 stop32h 05mLufthansa
Deal found 12/17$931
This Faresmojo deal was found by Cheapflights users on 12/16. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/304:30 pmIAH - BCN
1 stop13h 30mLufthansa
Sat 1/105:50 amBCN - IAH
1 stop15h 45mLufthansa
Deal found 12/16$936
This Finnair deal was found by Cheapflights users on 12/16. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:10 amIAH - BCN
1 stop17h 50mMultiple Airlines
Wed 12/3112:30 pmBCN - IAH
1 stop16h 27mMultiple Airlines
Deal found 12/16$981
This oojo deal was found by Cheapflights users on 12/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/161:28 pmIAH - BCN
1 stop12h 32mBritish Airways
Tue 12/2312:30 pmBCN - IAH
1 stop17h 26mBritish Airways
Deal found 12/15$982
This KLM deal was found by Cheapflights users on 12/16. 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 12/314:05 pmIAH - BCN
1 stop15h 55mMultiple Airlines
Fri 1/910:55 amBCN - IAH
1 stop17h 18mMultiple Airlines
Deal found 12/16$983
This American Airlines deal was found by Cheapflights users on 12/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1610:08 amHOU - BCN
2 stops15h 52mAmerican Airlines
Tue 12/2312:30 pmBCN - HOU
2 stops18h 16mAmerican Airlines
Deal found 12/15$989
This Delta deal was found by Cheapflights users on 12/17. 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.
Wed 12/316:00 amHOU - BCN
1 stop19h 40mDelta
Fri 1/910:55 amBCN - HOU
1 stop30h 26mDelta
Deal found 12/17$1,000
This Gotogate deal was found by Cheapflights users on 12/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:25 pmIAH - BCN
2 stops33h 10mMultiple Airlines
Thu 1/82:55 pmBCN - IAH
2 stops54h 45mMultiple Airlines
Deal found 12/17$1,002
This oojo deal was found by Cheapflights users on 12/18. 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.
Wed 12/314:21 pmHOU - BCN
2 stops19h 04mBritish Airways
Fri 1/96:40 amBCN - HOU
2 stops18h 26mBritish Airways
Deal found 12/18$1,103

Find 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 December 18, 2025.

Round-trip from

$539
(Kiwi.com)

One-way from

$249
(Cheapflightsfares)

Popular in

June

Cheapest in

October

Average price

$1,034
From Houston to Barcelona
Search Deals
One-way flight from Houston to Barcelona
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($294 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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

Mon 3/23

8:20 pm-7:50 am

1 stop29h 30m

Barcelona-El Prat

Tue 3/31

7:45 am-7:50 pm

2 stops19h 05m

$582

HoustonBarcelona

HOU - BCN

HOUBCN

Houston Hobby

Sun 1/18

12:47 pm-8:50 am

1 stop13h 03m

Barcelona-El Prat

Tue 2/3

10:40 am-6:06 pm

1 stop14h 26m

$620

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

Tue 2/3

4:05 pm-5:05 pm

1 stop18h 00m

Barcelona-El Prat

Tue 2/10

6:00 am-1:30 pm

1 stop14h 30m

$625

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

Sun 1/18

4:25 pm-4:30 pm

2 stops17h 05m

Barcelona-El Prat

Tue 2/3

10:15 am-11:56 pm

2 stops20h 41m

$632

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

Thu 1/29

9:54 am-6:20 pm

2 stops25h 26m

Barcelona-El Prat

Mon 2/2

7:10 pm-11:37 pm

2 stops35h 27m

$668

HoustonBarcelona

HOU - BCN

HOUBCN

Houston Hobby

Sun 1/18

10:35 am-8:50 am

1 stop15h 15m

Barcelona-El Prat

Mon 2/2

10:40 am-6:06 pm

1 stop14h 26m

$671

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

Thu 2/5

4:05 pm-5:05 pm

1 stop18h 00m

Barcelona-El Prat

Tue 2/10

6:00 am-1:30 pm

1 stop14h 30m

$675

HoustonBarcelona

IAH - BCN

IAHBCN

Houston George Bush Intcntl

Fri 1/30

3:50 pm-1:40 pm

1 stop14h 50m

Barcelona-El Prat

Wed 2/4

8:40 pm-8:00 pm

1 stop30h 20m

$678

HoustonBarcelona

HOU - BCN

HOUBCN

Houston Hobby

Fri 2/20

5:25 am-8:40 am

1 stop20h 15m

Barcelona-El Prat

Fri 2/27

10:55 am-10:28 pm

1 stop18h 33m

$679

HoustonBarcelona

HOU - BCN

HOUBCN

Houston Hobby

Sun 1/18

5:04 pm-8:00 am

2 stops31h 56m

Barcelona-El Prat

Mon 2/2

10:15 am-10:21 am

2 stops31h 06m

$684

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 38 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 December 12, 2025.

The best time to book flights from Houston to Barcelona is 34 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, October 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 $873). 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 December 18, 2025.

It’s typically best to fly out from Houston to Barcelona in the evening. Doing so could potentially save you 35% on the flight price compared to flying in the morning, 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 Tuesday 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 December 18, 2025.
Read through reviews of airlines operating flights from Houston to Barcelona, such as United Airlines, American Airlines, and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,091 reviews

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
United Airlines
7.4
Good
9,091 reviews
United Airlines
7.4
Good
9,091 reviews

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
American Airlines
7.2
Good
11,054 reviews
United Airlines
7.4
Good
9,091 reviews

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
Air Canada
7.1
Good
10,534 reviews
United Airlines
7.4
Good
9,091 reviews

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
Iberia
7.0
Good
3,050 reviews
United Airlines
7.4
Good
9,091 reviews

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
British Airways
6.7
Okay
7,585 reviews
United Airlines
7.4
Good
9,091 reviews

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

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 18h. British Airways provides one of the quickest options available for as low as $625. 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?

    Air Canada, at $523, was found to be the cheapest airline from Houston to Barcelona.Alternate airlines to your destination round-trip include KLM and Iberia. Air Canada is 40% 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 $252. However, be on the lookout for offers from British Airways and Air France, 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, Festhalle, 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, Festhalle and Historisches Museum Frankfurt are located about 7.4 mi, 6.5 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 $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, October 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 $873). 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$523Average$834FlexibilityNo cancel feeOn-time67%
KLMCheapest$524Average$848FlexibilityNo cancel feeOn-time75%
IberiaCheapest$531Average$988FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$555Average$978FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$560Average$966FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$565Average$895FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$582Average$926FlexibilityNo cancel feeOn-time71%
DeltaCheapest$585Average$848FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$606Average$1,066FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$642Average$738FlexibilityNo cancel feeOn-time77%

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