HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Barcelona-El Prat

$329+ Cheap flights from San Antonio (SAT) to Barcelona-El Prat (BCN)

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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BCN
Mar 22 — Mar 291
Sun 3/22
Sun 3/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Antonio to Barcelona-El Prat with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from San Antonio to Barcelona-El Prat

Cheapest flights from San Antonio to Barcelona-El Prat
Explore the most affordable flight options available from San Antonio to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2026.

This United Airlines deal was found by Cheapflights users on 2/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1412:15 pm
SAT
-
BCN
1 stop13h 45m
United Airlines
Tue 4/2812:15 pm
BCN
-
SAT
2 stops34h 54m
United Airlines
Deal found 2/16$467
This Delta deal was found by Cheapflights users on 2/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:20 am
SAT
-
BCN
2 stops20h 25m
Delta
Tue 4/283:15 pm
BCN
-
SAT
1 stop28h 02m
Delta
Deal found 2/18$477
This oojo deal was found by Cheapflights users on 2/16. 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 4/147:12 pm
SAT
-
BCN
2 stops20h 28m
British Airways
Mon 4/209:20 pm
BCN
-
SAT
2 stops29h 25m
British Airways
Deal found 2/16$485
This Air France deal was found by Cheapflights users on 2/18. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1312:26 pm
SAT
-
BCN
2 stops15h 49m
Air France
Tue 4/2812:20 pm
BCN
-
SAT
2 stops17h 48m
Air France
Deal found 2/18$494
This Delta deal was found by Cheapflights users on 2/19. 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 4/144:44 pm
SAT
-
BCN
2 stops17h 26m
Delta
Tue 4/283:15 pm
BCN
-
SAT
1 stop28h 02m
Delta
Deal found 2/19$496
This United Airlines deal was found by Cheapflights users on 2/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1412:09 pm
SAT
-
BCN
1 stop13h 11m
United Airlines
Mon 4/201:15 pm
BCN
-
SAT
2 stops33h 31m
United Airlines
Deal found 2/16$522
This United Airlines deal was found by Cheapflights users on 2/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/127:15 pm
SAT
-
BCN
2 stops31h 05m
United Airlines
Sun 4/191:15 pm
BCN
-
SAT
2 stops33h 31m
United Airlines
Deal found 2/18$530
This American Airlines deal was found by Cheapflights users on 2/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/126:00 am
SAT
-
BCN
1 stop18h 35m
American Airlines
Sun 4/1912:20 pm
BCN
-
SAT
1 stop17h 55m
American Airlines
Deal found 2/18$537
This FlightHub deal was found by Cheapflights users on 2/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/128:31 pm
SAT
-
BCN
2 stops18h 59m
British Airways
Sun 4/1910:45 am
BCN
-
SAT
1 stop17h 57m
British Airways
Deal found 2/18$547
This oojo deal was found by Cheapflights users on 2/18. 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 4/88:31 pm
SAT
-
BCN
1 stop28h 04m
British Airways
Mon 4/139:20 pm
BCN
-
SAT
2 stops27h 24m
British Airways
Deal found 2/18$549

Find flight deals from San Antonio to Barcelona-El Prat

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Barcelona-El Prat (BCN). 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 February 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$467
(United Airlines)

One-way from

$329
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$583
Provider with most accurate pricing for San Antonio-Barcelona-El Prat flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Antonio-Barcelona-El Prat flights.
Search Deals
From San Antonio to Barcelona-El Prat
Search Deals
One-way flight from San Antonio to Barcelona-El Prat
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($335 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Antonio to Barcelona-El Prat 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 February 20, 2026.
Use the filters below to find and compare flights from San Antonio to Barcelona-El Prat Airport that are best for you.

Fly from

San Antonio

Fly to

Barcelona-El Prat

Route

Depart

Return

Price

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Tue 4/14

5:30 pm-1:15 pm

1 stop12h 45m

Barcelona-El Prat

Tue 4/28

12:15 pm-4:09 pm

2 stops34h 54m

$467

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Mon 4/20

3:14 pm-11:59 pm

3 stops49h 45m

$342

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Fri 6/12

10:26 am-12:45 am

3 stops31h 19m

$394

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Mon 4/20

5:30 pm-1:15 pm

1 stop12h 45m

$399

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Wed 3/18

7:30 am-9:00 am

2 stops19h 30m

$405

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Tue 3/17

1:23 pm-2:45 pm

2 stops19h 22m

$415

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Wed 3/18

1:23 pm-2:45 pm

2 stops19h 22m

$415

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Tue 3/17

7:30 am-8:20 am

1 stop18h 50m

$419

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Mon 3/23

12:17 pm-8:20 am

1 stop14h 03m

$419

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/17

Compare providers for flights from San Antonio to Barcelona-El Prat

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Antonio to Barcelona-El Prat in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
JetabroadPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Antonio-Barcelona-El Prat Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-Barcelona-El Prat Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Antonio-Barcelona-El Prat Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Antonio-Barcelona-El Prat Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Antonio-Barcelona-El Prat Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Antonio to Barcelona-El Prat

Have a flexible travel schedule? Discover the best time to fly to Barcelona-El Prat from San Antonio 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 San Antonio to Barcelona-El Prat Airport

How far ahead should I book a flight from San Antonio to Barcelona-El Prat Airport?

Use this chart to determine the optimal time to book a round-trip flight from San Antonio to Barcelona-El Prat. Price data was last updated on February 18, 2026.

The best time to book flights from San Antonio to Barcelona-El Prat Airport is 56 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 San Antonio to Barcelona-El Prat Airport?

Currently, February is the cheapest month in which you can book a flight from San Antonio to Barcelona-El Prat Airport (average of $394). Flying from San Antonio to Barcelona-El Prat Airport in June is currently the most expensive (average of $860). 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.

Reviews of airlines servicing Barcelona-El Prat

Get insights into the airlines that provide service to Barcelona-El Prat. 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-El Prat. Reviews last updated February 20, 2026.
Read through reviews of airlines operating flights from San Antonio to Barcelona-El Prat Airport, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,215 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,215 reviews
Delta
7.9
Good
8,215 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,325 reviews
Delta
7.9
Good
8,215 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,321 reviews
Delta
7.9
Good
8,215 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Iberia
7.0
Good
3,118 reviews
Delta
7.9
Good
8,215 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,755 reviews
Delta
7.9
Good
8,215 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from San Antonio to Barcelona-El Prat. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Antonio to Barcelona-El Prat?

    If you book a flight to Barcelona-El Prat from San Antonio, you will be flying from San Antonio, which is the city’s only airport. San Antonio (SAT) is located 7.6 mi from the center of San Antonio. There are 0 flights from San Antonio to Barcelona-El Prat per day from 6 different airlines.

  • How long is the flight from San Antonio to Barcelona-El Prat Airport?

    Departing from San Antonio to Barcelona-El Prat Airport will take you 12h 45m. Airlines will cover a distance of 5395 mi.

  • What are the cheapest airlines flying from San Antonio to Barcelona-El Prat Airport round-trip?

    Flying on British Airways is currently your cheapest option to Barcelona-El Prat Airport, with prices starting at $396. Additional round-trip tickets that might be worth considering are offered by Delta and KLM, with the lowest prices starting at $433 and $433, respectively. These flights start at 53% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from San Antonio to Barcelona-El Prat Airport one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $399. However, be on the lookout for offers from Delta and American Airlines, as they are both options that can get you from San Antonio to Barcelona-El Prat Airport for a low price.

  • Can I find deals for flights from San Antonio to Barcelona-El Prat that include hotel bookings?

    Yes. In addition to deals on San Antonio to Barcelona-El Prat flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Antonio to Barcelona-El Prat?

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

  • Can I find deals for business class flights from San Antonio to Barcelona-El Prat?

    Yes. Cheapflights offers flight deals from San Antonio to Barcelona-El Prat 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 San Antonio to Barcelona-El Prat Airport?

    Currently, February is the cheapest month in which you can book a flight from San Antonio to Barcelona-El Prat Airport (average of $394). Flying from San Antonio to Barcelona-El Prat Airport in June is currently the most expensive (average of $860). 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

Traveling to a place near Barcelona-El Prat Airport?

Book flights to Barcelona-El Prat Airport if you plan to visit one of these locations
Roses
Calella
L'Hospitalet de Llobregat
Cadaques
El Prat de Llobregat
Badalona
Pineda de Mar

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 6 airlines flying from San Antonio to Barcelona-El Prat

Discover the top 6 airlines that operate flights from San Antonio to Barcelona-El Prat. 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 February 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$396Average$828FlexibilityNo cancel feeOn-time70%
DeltaCheapest$433Average$997FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$433Average$688FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$460Average$749FlexibilityNo cancel feeOn-time69%
IberiaCheapest$538Average$994FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$582Average$1,040FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights