Barcelona

$368+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BCN
Jun 17 — Jun 241
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Cheap 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 May 18, 2026.

This United Airlines deal was found by Cheapflights users on 5/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/255:00 pm
SAT
-
BCN
1 stop14h 10m
United Airlines
Fri 11/61:35 pm
BCN
-
SAT
2 stops37h 31m
United Airlines
Deal found 5/13$750
This oojo deal was found by Cheapflights users on 5/13. 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.
Sun 10/257:00 am
SAT
-
BCN
1 stop19h 50m
British Airways
Fri 11/610:40 am
BCN
-
SAT
1 stop16h 01m
British Airways
Deal found 5/13$765
This Expedia deal was found by Cheapflights users on 5/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:00 pm
SAT
-
BCN
2 stops58h 35m
Air Canada
Fri 11/61:35 pm
BCN
-
SAT
2 stops26h 13m
Air Canada
Deal found 5/17$782
This United Airlines deal was found by Cheapflights users on 5/16. 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.
Sat 9/195:27 pm
SAT
-
BCN
2 stops31h 33m
United Airlines
Sat 9/261:15 pm
BCN
-
SAT
2 stops35h 24m
United Airlines
Deal found 5/16$808
This United Airlines deal was found by Cheapflights users on 5/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:07 am
SAT
-
BCN
2 stops16h 13m
United Airlines
Tue 8/2512:15 pm
BCN
-
SAT
2 stops35h 16m
United Airlines
Deal found 5/15$816
This United Airlines deal was found by Cheapflights users on 5/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:00 pm
SAT
-
BCN
2 stops33h 35m
United Airlines
Fri 11/63:05 pm
BCN
-
SAT
1 stop15h 03m
United Airlines
Deal found 5/17$823
This Expedia deal was found by Cheapflights users on 5/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:26 pm
SAT
-
BCN
1 stop30h 24m
British Airways
Fri 11/610:40 am
BCN
-
SAT
1 stop20h 10m
British Airways
Deal found 5/17$825
This United Airlines deal was found by Cheapflights users on 5/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:45 pm
SAT
-
BCN
1 stop36h 35m
United Airlines
Tue 10/203:15 pm
BCN
-
SAT
1 stop14h 35m
United Airlines
Deal found 5/15$826
This Air Canada deal was found by Cheapflights users on 5/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/199:00 am
SAT
-
BCN
2 stops40h 00m
Air Canada
Sat 9/266:40 am
BCN
-
SAT
3 stops22h 58m
Air Canada
Deal found 5/16$834

Find 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 May 18, 2026.

Round-trip from

$750
(United Airlines)

One-way from

$368
(Priceline)

Popular in

May

Cheapest in

January

Average price

$1,216
From San Antonio to Barcelona
One-way flight from San Antonio to Barcelona
Highest demand for flights based on searches. 16% potential increase in price ($175 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Average for round-trip flights in May 2026

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 May 18, 2026.
Use the filters below to find and compare flights from San Antonio to Barcelona that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Fri 10/9

6:45 pm-2:20 pm

1 stop36h 35m

Barcelona-El Prat

Tue 10/20

3:15 pm-10:50 pm

1 stop14h 35m

$826

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Thu 10/15

2:10 pm-12:50 pm

1 stop15h 40m

Barcelona-El Prat

Sun 10/25

10:50 am-10:27 pm

1 stop17h 37m

$869

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Tue 9/1

7:35 am-8:00 am

2 stops17h 25m

Barcelona-El Prat

Sat 9/12

12:15 pm-10:51 pm

2 stops41h 36m

$870

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Thu 10/15

9:00 am-8:20 am

2 stops16h 20m

Barcelona-El Prat

Sun 10/25

12:35 pm-11:16 am

2 stops28h 41m

$873
Quickest round-trip

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Thu 10/15

10:45 am-8:35 am

2 stops14h 50m

Barcelona-El Prat

Sun 10/25

10:50 am-10:27 pm

1 stop17h 37m

$874

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Tue 9/1

4:12 pm-8:00 am

3 stops32h 48m

Barcelona-El Prat

Sat 9/12

1:15 pm-7:58 pm

2 stops37h 43m

$875
Cheapest one-way

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Sun 8/23

5:05 am-8:35 am

2 stops20h 30m

$427

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Sun 8/23

11:29 am-12:50 pm

2 stops18h 21m

$427

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Sat 8/15

9:07 am-3:35 pm

3 stops23h 28m

$430
Quickest one-way

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Sun 7/12

12:37 pm-8:45 am

1 stop13h 08m

$463

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/16

Showing 1-10 of 13 resultsSorted by cheapest first
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?

The best time to book flights from San Antonio to Barcelona is 32 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, February is the cheapest month in which you can book a flight from San Antonio to Barcelona (average of $368). Flying from San Antonio to Barcelona in June is currently the most expensive (average of $1,163). 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.

How much does it cost to fly round-trip from San Antonio to Barcelona?

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 May 18, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican 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.

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.8

Crew

8.5

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.8

Crew

8.5

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.8

Crew

8.5

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.8

Crew

8.5

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.8

Crew

8.5

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.8

Crew

8.5

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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.

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

    There are many flights that can get you from San Antonio to Barcelona in 15h 40m. Fly via United Airlines, KLM, or Air Canada 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 British Airways is currently your cheapest option to Barcelona, with prices starting at $396. Additional round-trip tickets that might be worth considering are offered by KLM and Delta, with the lowest prices starting at $433 and $452, respectively. British Airways is 55% 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 American Airlines, which is currently one of the cheapest options available, starting at $360. United Airlines flights start at $399 while deals on Delta start at $442 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, February is the cheapest month in which you can book a flight from San Antonio to Barcelona (average of $368). Flying from San Antonio to Barcelona in June is currently the most expensive (average of $1,163). 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

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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 May 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$396Average$801FlexibilityNo cancel feeOn-time70%
KLMCheapest$433Average$592FlexibilityNo cancel feeOn-time75%
DeltaCheapest$452Average$812FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$460Average$757FlexibilityNo cancel feeOn-time69%
IberiaCheapest$484Average$837FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$582Average$1,107FlexibilityNo cancel feeOn-time71%

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