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$342+ Cheap flights from San Antonio (SAT) 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BCN
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
1 adult, Economy
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Cheapflights Tip: The best prices from San Antonio to Barcelona are usually found in January or November, booked 47 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from San Antonio to Barcelona

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) 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 November 2, 2025.

Round-trip from

$434
(Virgin Atlantic)

One-way from

$342
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$658
From San Antonio to Barcelona
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One-way flight from San Antonio to Barcelona
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Highest demand for flights based on searches. 21% potential increase in price ($261 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from San Antonio to Barcelona

Cheapest flights from San Antonio to Barcelona
Explore the most affordable flight options available from San Antonio to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 2, 2025.

This Delta deal was found by Cheapflights users on 11/1. 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 11/1112:10 pmSAT - BCN
1 stop12h 50mDelta
Wed 12/2410:55 amBCN - SAT
1 stop14h 58mDelta
Deal found 11/1$434
This Delta deal was found by Cheapflights users on 11/1. 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 11/1112:10 pmSAT - BCN
1 stop12h 50mDelta
Thu 1/1510:15 amBCN - SAT
1 stop32h 20mDelta
Deal found 11/1$439
This Delta deal was found by Cheapflights users on 11/1. 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 11/121:05 pmSAT - BCN
2 stops17h 55mDelta
Wed 12/2410:55 amBCN - SAT
1 stop14h 58mDelta
Deal found 11/1$452
This KLM deal was found by Cheapflights users on 11/1. 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.
Mon 12/84:35 pmSAT - BCN
2 stops14h 25mMultiple Airlines
Wed 12/2410:55 amBCN - SAT
1 stop19h 12mMultiple Airlines
Deal found 11/1$453
This Delta deal was found by Cheapflights users on 11/1. 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 11/121:05 pmSAT - BCN
2 stops17h 55mDelta
Fri 1/1610:55 amBCN - SAT
1 stop35h 27mDelta
Deal found 11/1$457
This Delta deal was found by Cheapflights users on 11/1. 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 11/1112:10 pmSAT - BCN
1 stop12h 50mDelta
Wed 1/149:55 amBCN - SAT
2 stops20h 35mDelta
Deal found 11/1$461
This KLM deal was found by Cheapflights users on 11/2. 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.
Tue 11/181:05 pmSAT - BCN
1 stop12h 35mKLM
Mon 11/2410:55 amBCN - SAT
1 stop16h 26mKLM
Deal found 11/2$474

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Antonio 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 November 2, 2025.
Use the filters below to find and compare flights from San Antonio to Barcelona that are best for you.

Fly from

San Antonio

Fly to

Barcelona

Route

Depart

Return

Price

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Mon 12/8

12:10 pm-8:00 am

1 stop12h 50m

Barcelona-El Prat

Wed 12/24

10:55 am-6:53 pm

1 stop14h 58m

$434

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Mon 12/8

4:35 pm-2:00 pm

2 stops14h 25m

Barcelona-El Prat

Wed 12/24

10:55 am-11:07 pm

1 stop19h 12m

$453

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Wed 11/12

1:05 pm-2:00 pm

2 stops17h 55m

Barcelona-El Prat

Thu 1/15

10:15 am-11:35 am

1 stop32h 20m

$457

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Tue 11/18

1:05 pm-8:40 am

1 stop12h 35m

Barcelona-El Prat

Mon 11/24

10:55 am-8:21 pm

1 stop16h 26m

$475

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Tue 11/18

6:32 am-8:40 am

2 stops19h 08m

Barcelona-El Prat

Mon 11/24

10:55 am-12:38 am

1 stop20h 43m

$488

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Fri 11/14

12:10 pm-8:00 am

1 stop12h 50m

Barcelona-El Prat

Wed 11/19

10:15 am-10:57 pm

2 stops19h 42m

$488

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Wed 11/12

1:05 pm-2:00 pm

2 stops17h 55m

Barcelona-El Prat

Sun 1/18

10:55 am-11:35 am

2 stops31h 40m

$507

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Mon 12/8

7:00 am-9:35 am

3 stops19h 35m

Barcelona-El Prat

Wed 12/24

1:35 pm-12:14 pm

2 stops29h 39m

$560

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Sun 11/23

4:57 pm-8:40 am

1 stop32h 43m

Barcelona-El Prat

Tue 12/2

11:10 am-10:59 am

2 stops54h 49m

$599

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Fri 11/28

11:35 am-8:40 am

1 stop14h 05m

Barcelona-El Prat

Sat 12/6

10:55 am-6:26 pm

1 stop14h 31m

$609

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 20 results
1
2

Best time to book a flight from San Antonio to Barcelona

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

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

Use this chart to determine the optimal time to book a round-trip flight from San Antonio to Barcelona. Price data was last updated on October 31, 2025.

The best time to book flights from San Antonio to Barcelona is 47 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?

Currently, January is the cheapest month in which you can book a flight from San Antonio to Barcelona (average of $413). Flying from San Antonio to Barcelona in June is currently the most expensive (average of $865). 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 SAT to BCN?

Find hourly flight availability from San Antonio 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 November 2, 2025.

It’s optimal to fly from San Antonio to Barcelona in the evening. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from San Antonio to Barcelona?

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

Travelers seeking maximum savings on their San Antonio to Barcelona flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday afternoons 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 November 2, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from San Antonio to Barcelona by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,997 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
Delta
7.9
Good
7,997 reviews
Delta
7.9
Good
7,997 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
United Airlines
7.4
Good
8,993 reviews
Delta
7.9
Good
7,997 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
American Airlines
7.2
Good
11,033 reviews
Delta
7.9
Good
7,997 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
Iberia
7.0
Good
3,005 reviews
Delta
7.9
Good
7,997 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
British Airways
6.7
Okay
7,491 reviews
Delta
7.9
Good
7,997 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.

Related info for your journey

Find useful and relevant information for your journey from San Antonio to Barcelona. 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?

    For a flight from San Antonio to Barcelona, you will be flying from San Antonio. San Antonio (SAT) is just 7.6 mi from the center of the city. San Antonio is the only San Antonio airport and it handles 0 outbound flights to Barcelona per day. 7 airlines have flights to Barcelona from San Antonio on a regular basis.

  • How long is the flight from San Antonio to Barcelona?

    There are many flights that can get you from San Antonio to Barcelona in 12h 35m. Fly via Virgin Atlantic, Delta, or KLM to get the fastest option. The distance between San Antonio and Barcelona is about 5395 mi. This flight may include one or multiple stops.

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

    Flying on United Airlines is currently your cheapest option to Barcelona, with prices starting at $460. Additional round-trip tickets that might be worth considering are offered by Virgin Atlantic and KLM, with the lowest prices starting at $473 and $493, respectively. United Airlines is 50% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

    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.

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

    Yes. Cheapflights offers flight deals from San Antonio 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 San Antonio to Barcelona?

    Currently, January is the cheapest month in which you can book a flight from San Antonio to Barcelona (average of $413). Flying from San Antonio to Barcelona in June is currently the most expensive (average of $865). 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 6 airlines flying from San Antonio to Barcelona

Discover the top 6 airlines that operate flights from San Antonio 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 November 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$460Average$785FlexibilityNo cancel feeOn-time69%
KLMCheapest$493Average$881FlexibilityNo cancel feeOn-time75%
DeltaCheapest$582Average$1,031FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$622Average$1,063FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$637Average$1,107FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$755Average$1,010FlexibilityNo cancel feeOn-time70%

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