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$400+ Cheap flights from Barcelona-El Prat (BCN) to San Antonio (SAT)

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — SAT
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Barcelona-El Prat to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Barcelona-El Prat (BCN) to San Antonio (SAT). 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 September 15, 2025.

Round-trip from

$661
(Finnair)

One-way from

$400
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$808
From Barcelona-El Prat to San Antonio
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One-way flight from Barcelona-El Prat to San Antonio
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Highest demand for flights based on searches. 7% potential increase in price ($74 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Barcelona-El Prat to San Antonio

Cheapest flights from Barcelona-El Prat to San Antonio
Explore the most affordable flight options available from Barcelona-El Prat to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Finnair deal was found by Cheapflights users on 9/12. 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 11/611:00 amBCN - SAT
1 stop19h 59mMultiple Airlines
Mon 11/105:23 amSAT - BCN
1 stop18h 42mMultiple Airlines
Deal found 9/12$702
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Mon 9/221:30 pmBCN - SAT
1 stop17h 25mAmerican Airlines
Mon 9/297:50 amSAT - BCN
1 stop18h 15mAmerican Airlines
Deal found 9/13$712
This Expedia deal was found by Cheapflights users on 9/13. 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.
Mon 9/2212:30 pmBCN - SAT
2 stops17h 30mIberia
Mon 9/291:44 pmSAT - BCN
1 stop13h 26mIberia
Deal found 9/13$720
This Priceline deal was found by Cheapflights users on 9/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/276:40 amBCN - SAT
2 stops23h 03mBritish Airways
Mon 11/33:00 pmSAT - BCN
2 stops19h 55mBritish Airways
Deal found 9/11$767
This oojo deal was found by Cheapflights users on 9/13. 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 10/288:40 pmBCN - SAT
2 stops26h 19mBritish Airways
Tue 11/46:05 pmSAT - BCN
2 stops17h 20mBritish Airways
Deal found 9/13$773
This Delta deal was found by Cheapflights users on 9/13. 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 10/2811:10 amBCN - SAT
2 stops28h 49mDelta
Tue 11/412:02 pmSAT - BCN
1 stop12h 58mDelta
Deal found 9/13$837
This Delta deal was found by Cheapflights users on 9/11. 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 10/271:00 pmBCN - SAT
2 stops26h 59mDelta
Mon 11/36:41 amSAT - BCN
1 stop18h 59mDelta
Deal found 9/11$859
This Air Canada deal was found by Cheapflights users on 9/13. 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.
Mon 9/2212:10 pmBCN - SAT
3 stops27h 47mMultiple Airlines
Mon 9/297:00 amSAT - BCN
2 stops17h 50mMultiple Airlines
Deal found 9/13$962
This Air Canada deal was found by Cheapflights users on 9/13. 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.
Mon 9/2212:10 pmBCN - SAT
3 stops27h 47mAir Canada
Mon 9/295:30 amSAT - BCN
3 stops19h 20mAir Canada
Deal found 9/13$969

Cheapflights Fare Finder

 
Customize your flight search to find flights from Barcelona-El Prat to San Antonio 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 September 15, 2025.
Use the filters below to find and compare flights from Barcelona-El Prat Airport to San Antonio that are best for you.

Fly from

Barcelona-El Prat

Fly to

San Antonio

Route

Depart

Return

Price

BarcelonaSan Antonio

BCN - SAT

BCNSAT

Barcelona-El Prat

Sat 3/7

10:40 am-5:43 pm

1 stop14h 03m

San Antonio

Tue 3/10

6:12 am-7:50 am

1 stop19h 38m

$661

BarcelonaSan Antonio

BCN - SAT

BCNSAT

Barcelona-El Prat

Sat 2/7

10:40 am-11:48 pm

1 stop20h 08m

San Antonio

Tue 2/10

7:00 am-8:50 am

1 stop18h 50m

$661

BarcelonaSan Antonio

BCN - SAT

BCNSAT

Barcelona-El Prat

Sat 3/7

10:40 am-8:00 pm

1 stop16h 20m

San Antonio

Tue 3/10

5:35 pm-2:45 pm

2 stops15h 10m

$675

BarcelonaSan Antonio

BCN - SAT

BCNSAT

Barcelona-El Prat

Sat 3/7

10:40 am-10:49 pm

1 stop19h 09m

San Antonio

Tue 3/10

11:00 am-8:00 am

2 stops15h 00m

$675

BarcelonaSan Antonio

BCN - SAT

BCNSAT

Barcelona-El Prat

Sat 2/7

12:30 pm-9:55 pm

2 stops16h 25m

San Antonio

Tue 2/10

6:09 am-8:50 am

1 stop19h 41m

$675

BarcelonaSan Antonio

BCN - SAT

BCNSAT

Barcelona-El Prat

Wed 12/10

9:35 pm-10:27 pm

3 stops55h 52m

$400

BarcelonaSan Antonio

BCN - SAT

BCNSAT

Barcelona-El Prat

Tue 3/3

2:00 pm-3:14 pm

2 stops32h 14m

$438

BarcelonaSan Antonio

BCN - SAT

BCNSAT

Barcelona-El Prat

Mon 11/3

6:45 am-11:40 pm

3 stops47h 55m

$444

BarcelonaSan Antonio

BCN - SAT

BCNSAT

Barcelona-El Prat

Tue 3/3

10:40 am-5:43 pm

1 stop14h 03m

$492

BarcelonaSan Antonio

BCN - SAT

BCNSAT

Barcelona-El Prat

Thu 3/5

11:00 am-9:49 pm

2 stops17h 49m

$492

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 11 results
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Best time to book a flight from Barcelona-El Prat to San Antonio

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

What is the cheapest month to book a flight from Barcelona-El Prat Airport to San Antonio?

Currently, August is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to San Antonio (average of $295). Flying from Barcelona-El Prat Airport to San Antonio in March is currently the most expensive (average of $376). 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.

Related info for your journey

Find useful and relevant information for your journey from Barcelona-El Prat to San Antonio. 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 into for flights to San Antonio from Barcelona-El Prat?

    If you book a flight to San Antonio from Barcelona-El Prat, you will be flying to 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 Barcelona-El Prat to San Antonio per day from 0 different airlines.

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

    For as low as $675, British Airways can have you in San Antonio from Barcelona-El Prat Airport in 16h 20m. Airlines will cover a distance of 5395 mi.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to San Antonio (average of $295). Flying from Barcelona-El Prat Airport to San Antonio in March is currently the most expensive (average of $376). 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 San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville

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