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$319+ 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BCN
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
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 25 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 July 30, 2025.

Round-trip from

$566
(United Airlines)

One-way from

$319
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,308
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. 26% potential increase in price ($331 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($40 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 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 July 30, 2025.

This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/75:30 amSAT - BCN
2 stops19h 20mUnited Airlines
Tue 10/141:15 pmBCN - SAT
2 stops31h 00mUnited Airlines
Deal found 7/30$566
This Air Canada deal was found by Cheapflights users on 7/29. 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.
Tue 10/76:45 amSAT - BCN
2 stops19h 35mAir Canada
Tue 10/141:15 pmBCN - SAT
2 stops33h 43mAir Canada
Deal found 7/29$573
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/75:30 amSAT - BCN
1 stop19h 05mAmerican Airlines
Tue 10/141:30 pmBCN - SAT
1 stop15h 26mAmerican Airlines
Deal found 7/30$583
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/107:00 amSAT - BCN
1 stop20h 30mBritish Airways
Wed 9/1712:20 pmBCN - SAT
1 stop15h 31mBritish Airways
Deal found 7/28$634
This Finnair deal was found by Cheapflights users on 7/29. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:03 amSAT - BCN
2 stops16h 02mMultiple Airlines
Sun 1/113:05 pmBCN - SAT
1 stop16h 03mMultiple Airlines
Deal found 7/29$655
This Gurufare 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/314:22 pmSAT - BCN
2 stops36h 33mLufthansa
Fri 9/1211:15 amBCN - SAT
1 stop16h 18mLufthansa
Deal found 7/30$711
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2512:05 pmSAT - BCN
1 stop14h 15mKLM
Mon 9/111:35 amBCN - SAT
1 stop15h 52mKLM
Deal found 7/28$753
This Virgin Atlantic 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2510:45 amSAT - BCN
2 stops18h 10mVirgin Atlantic
Mon 9/111:35 amBCN - SAT
1 stop15h 52mVirgin Atlantic
Deal found 7/28$757
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1312:44 pmSAT - BCN
1 stop14h 26mIberia
Sat 9/2010:35 amBCN - SAT
2 stops19h 25mIberia
Deal found 7/30$764

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 July 30, 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

Tue 10/7

5:30 am-7:50 am

2 stops19h 20m

Barcelona-El Prat

Tue 10/14

1:15 pm-1:15 pm

2 stops31h 00m

$566

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Tue 10/7

6:45 am-9:20 am

2 stops19h 35m

Barcelona-El Prat

Tue 10/14

1:15 pm-3:58 pm

2 stops33h 43m

$573

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Tue 10/7

5:30 am-7:35 am

1 stop19h 05m

Barcelona-El Prat

Tue 10/14

1:30 pm-9:56 pm

1 stop15h 26m

$583

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Wed 9/10

7:00 am-10:30 am

1 stop20h 30m

Barcelona-El Prat

Wed 9/17

12:20 pm-8:51 pm

1 stop15h 31m

$634

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Thu 12/25

9:15 am-9:00 am

2 stops16h 45m

Barcelona-El Prat

Sun 1/11

3:05 pm-12:08 am

1 stop16h 03m

$686

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Sun 8/31

4:22 pm-11:55 am

2 stops36h 33m

Barcelona-El Prat

Fri 9/12

11:15 am-8:33 pm

1 stop16h 18m

$711

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Mon 8/25

12:05 pm-9:20 am

1 stop14h 15m

Barcelona-El Prat

Mon 9/1

11:35 am-8:27 pm

1 stop15h 52m

$753

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Mon 8/25

10:45 am-11:55 am

2 stops18h 10m

Barcelona-El Prat

Mon 9/1

11:35 am-8:27 pm

1 stop15h 52m

$757

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Sat 9/13

12:44 pm-10:10 am

1 stop14h 26m

Barcelona-El Prat

Sat 9/20

10:35 am-11:00 pm

2 stops19h 25m

$764

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Fri 9/26

2:54 pm-4:00 pm

3 stops42h 06m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 15 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 July 25, 2025.

The best time to book flights from San Antonio to Barcelona is 24 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 $523). Flying from San Antonio 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 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 July 30, 2025.

It’s optimal to fly from San Antonio to Barcelona in the evening. By choosing this option you can save up to 19% 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 Monday afternoons 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 July 30, 2025.
Get a feel of what it's like to fly with KLM, 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.
KLM
7.8
Good
1,383 reviews

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,383 reviews
KLM
7.8
Good
1,383 reviews

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
United Airlines
7.4
Good
8,896 reviews
KLM
7.8
Good
1,383 reviews

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
American Airlines
7.2
Good
10,000 reviews
KLM
7.8
Good
1,383 reviews

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Air Canada
7.1
Good
9,837 reviews
KLM
7.8
Good
1,383 reviews

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Iberia
7.0
Good
2,859 reviews
KLM
7.8
Good
1,383 reviews

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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. 6 airlines have flights to Barcelona from San Antonio on a regular basis.

  • 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 $566. Additional round-trip tickets that might be worth considering are offered by Air Canada and American Airlines, with the lowest prices starting at $573 and $583, respectively. United Airlines is 39% cheaper than the average price of flights available within the next 90 days to this destination.

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

    To fly one-way, consider booking your trip with KLM, which is currently one of the cheapest options available, starting at $518. United Airlines flights start at $833 while deals on Iberia start at $846 one-way.

  • 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 $523). Flying from San Antonio 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

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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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$460Average$828FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$569Average$1,073FlexibilityNo cancel feeOn-time71%
DeltaCheapest$570Average$844FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$576Average$1,015FlexibilityNo cancel feeOn-time70%
KLMCheapest$590Average$971FlexibilityNo cancel feeOn-time75%
IberiaCheapest$597Average$1,035FlexibilityNo cancel feeOn-time77%

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