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Cheap flights from Barcelona-El Prat Airport to San Antonio from $547

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Barcelona-El Prat Airport to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
11:15 am - 11:20 amBCN  Barcelona-El Prat-SAT San Antonio
31h 05m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
Delta Logo
10:45 am - 11:10 amSAT  San Antonio-BCN Barcelona-El Prat
17h 25m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle
$824Delta
Tue, Jan 12 - Tue, Jan 19
KLM Logo
11:15 am - 11:20 pmBCN  Barcelona-El Prat-SAT San Antonio
19h 05m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
KLM Logo
6:45 am - 8:40 amSAT  San Antonio-BCN Barcelona-El Prat
18h 55m1 stop Atlanta Hartsfield-Jackson
$828KLM
Tue, Jan 12 - Tue, Jan 19
Delta Logo
1:10 pm - 9:42 amBCN  Barcelona-El Prat-SAT San Antonio
27h 32m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
Delta Logo
6:45 am - 9:00 amSAT  San Antonio-BCN Barcelona-El Prat
19h 15m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle
$854Delta
Wed, Nov 4 - Sun, Jan 31
Delta Logo
6:00 am - 10:20 pmBCN  Barcelona-El Prat-SAT San Antonio
23h 20m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
Delta Logo
12:10 pm - 8:40 amSAT  San Antonio-BCN Barcelona-El Prat
13h 30m1 stop New York John F Kennedy Intl
$857Delta
Wed, Nov 4 - Sun, Jan 31
Delta Logo
6:00 am - 10:20 pmBCN  Barcelona-El Prat-SAT San Antonio
23h 20m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
Delta Logo
11:45 am - 2:00 pmSAT  San Antonio-BCN Barcelona-El Prat
19h 15m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle
$881Delta
Thu, Nov 5 - Mon, Nov 9
Delta Logo
6:00 am - 10:20 pmBCN  Barcelona-El Prat-SAT San Antonio
23h 20m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
Delta Logo
11:45 am - 2:00 pmSAT  San Antonio-BCN Barcelona-El Prat
19h 15m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle
$882Delta
Thu, Nov 5 - Mon, Nov 9
Multiple Airlines Logo
6:00 am - 5:40 pmBCN  Barcelona-El Prat-SAT San Antonio
18h 40m2 stops Amsterdam Schiphol Minneapolis St Paul
Multiple Airlines Logo
5:10 pm - 5:00 pmSAT  San Antonio-BCN Barcelona-El Prat
16h 50m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle
$883Multiple Airlines
Fri, Nov 20 - Fri, Nov 27
Delta Logo
10:50 am - 11:26 pmBCN  Barcelona-El Prat-SAT San Antonio
19h 36m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:30 am - 9:00 amSAT  San Antonio-BCN Barcelona-El Prat
20h 30m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle
$884Delta
Sat, Nov 7 - Wed, Nov 11
Delta Logo
10:50 am - 7:48 pmBCN  Barcelona-El Prat-SAT San Antonio
15h 58m1 stop Atlanta Hartsfield-Jackson
Delta Logo
10:59 am - 9:00 amSAT  San Antonio-BCN Barcelona-El Prat
15h 01m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle
$885Delta
Fri, Nov 6 - Tue, Nov 10
KLM Logo
6:00 am - 5:14 pmBCN  Barcelona-El Prat-SAT San Antonio
18h 14m2 stops Amsterdam Schiphol Salt Lake City
KLM Logo
5:30 am - 8:40 amSAT  San Antonio-BCN Barcelona-El Prat
20h 10m1 stop Atlanta Hartsfield-Jackson
$886KLM
Fri, Nov 20 - Fri, Nov 27

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KLM flights from Barcelona-El Prat Airport to San Antonio

Our best KLM deals on Barcelona-El Prat Airport to San Antonio flight tickets
KLM
Jan 12
BCN11:15 amBarcelona-El Prat
19h 05m
2 stops
SAT11:20 pmSan Antonio
Jan 19
SAT6:45 amSan Antonio
18h 55m
1 stop
BCN8:40 amBarcelona-El Prat
$828
KLM
Nov 20
BCN6:00 amBarcelona-El Prat
18h 14m
2 stops
SAT5:14 pmSan Antonio
Nov 27
SAT5:30 amSan Antonio
20h 10m
1 stop
BCN8:40 amBarcelona-El Prat
$886

United Airlines flights from Barcelona-El Prat Airport to San Antonio

Our best United Airlines deals on Barcelona-El Prat Airport to San Antonio flight tickets
United Airlines
Oct 20
BCN6:40 amBarcelona-El Prat
23h 10m
2 stops
SAT10:50 pmSan Antonio
Oct 27
SAT12:24 pmSan Antonio
14h 36m
1 stop
BCN9:00 amBarcelona-El Prat
$939
United Airlines
Nov 12
BCN10:30 amBarcelona-El Prat
20h 07m
2 stops
SAT11:37 pmSan Antonio
Nov 15
SAT12:15 pmSan Antonio
13h 45m
1 stop
BCN9:00 amBarcelona-El Prat
$944
United Airlines
Nov 12
BCN3:10 pmBarcelona-El Prat
15h 27m
1 stop
SAT11:37 pmSan Antonio
Nov 15
SAT7:00 amSan Antonio
19h 00m
1 stop
BCN9:00 amBarcelona-El Prat
$945

momondo Fare Finder

 
Use the filters below to find and compare flights from Barcelona-El Prat Airport to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BarcelonaSan Antonio

BCN Barcelona-El Prat - SAT San Antonio

BCNSAT

Barcelona-El Prat

Tue 1/12

11:15 am-11:20 am

2 stops31h 05m

San Antonio

Tue 1/19

10:45 am-11:10 am

2 stops17h 25m

$824

BarcelonaSan Antonio

BCN Barcelona-El Prat - SAT San Antonio

BCNSAT

Barcelona-El Prat

Tue 1/12

11:15 am-11:20 pm

2 stops19h 05m

San Antonio

Tue 1/19

6:45 am-8:40 am

1 stop18h 55m

$828

BarcelonaSan Antonio

BCN Barcelona-El Prat - SAT San Antonio

BCNSAT

Barcelona-El Prat

Wed 11/4

1:10 pm-9:42 am

2 stops27h 32m

San Antonio

Sun 1/31

6:45 am-9:00 am

2 stops19h 15m

$854

BarcelonaSan Antonio

BCN Barcelona-El Prat - SAT San Antonio

BCNSAT

Barcelona-El Prat

Wed 11/4

6:00 am-10:20 pm

2 stops23h 20m

San Antonio

Sun 1/31

12:10 pm-8:40 am

1 stop13h 30m

$857

BarcelonaSan Antonio

BCN Barcelona-El Prat - SAT San Antonio

BCNSAT

Barcelona-El Prat

Thu 11/5

6:00 am-10:20 pm

2 stops23h 20m

San Antonio

Mon 11/9

11:45 am-2:00 pm

2 stops19h 15m

$881

BarcelonaSan Antonio

BCN Barcelona-El Prat - SAT San Antonio

BCNSAT

Barcelona-El Prat

Thu 11/5

6:00 am-10:20 pm

2 stops23h 20m

San Antonio

Mon 11/9

11:45 am-2:00 pm

2 stops19h 15m

$882

BarcelonaSan Antonio

BCN Barcelona-El Prat - SAT San Antonio

BCNSAT

Barcelona-El Prat

Fri 11/20

6:00 am-5:40 pm

2 stops18h 40m

San Antonio

Fri 11/27

5:10 pm-5:00 pm

2 stops16h 50m

$883

BarcelonaSan Antonio

BCN Barcelona-El Prat - SAT San Antonio

BCNSAT

Barcelona-El Prat

Sat 11/7

10:50 am-11:26 pm

1 stop19h 36m

San Antonio

Wed 11/11

5:30 am-9:00 am

2 stops20h 30m

$884
Quickest round-trip

BarcelonaSan Antonio

BCN Barcelona-El Prat - SAT San Antonio

BCNSAT

Barcelona-El Prat

Fri 11/6

10:50 am-7:48 pm

1 stop15h 58m

San Antonio

Tue 11/10

10:59 am-9:00 am

2 stops15h 01m

$885

BarcelonaSan Antonio

BCN Barcelona-El Prat - SAT San Antonio

BCNSAT

Barcelona-El Prat

Fri 11/20

6:00 am-5:14 pm

2 stops18h 14m

San Antonio

Fri 11/27

5:30 am-8:40 am

1 stop20h 10m

$886

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Antonio from

How to get the cheapest flight ticket from Barcelona-El Prat Airport to San Antonio

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Barcelona-El Prat Airport and San Antonio?

Prices are currently low for flights on this route.

Typical prices usually range from $975 to $1,145.
The lowest price recently found on this route was $824.

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of February, then book flights to San Antonio from Barcelona-El Prat Airport during March instead. Flights to San Antonio in March, while not as cheap as those in February, still average around $804.

How have Barcelona-El Prat Airport to San Antonio flight prices changed over time?

As of September 2026, prices for Barcelona-El Prat Airport to San Antonio flights are approximately 29% cheaper when compared to flights at the same time last year.

When to book flights from Barcelona-El Prat Airport to San Antonio

Are you open to changing your travel dates? Check out the ideal times to fly from Barcelona-El Prat Airport to San Antonio according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Barcelona-El Prat Airport to San Antonio (BCN to SAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Barcelona-El Prat Airport to San Antonio

Best Price Found

$547

Fastest flight time

18h 16m

Direct flights

None
The best one-way flight to San Antonio from Barcelona-El Prat Airport in the past 72 hours is $547. The best round-trip flight deal from Barcelona-El Prat Airport to San Antonio found on momondo in the last 72 hours is $824.
The fastest flight from Barcelona-El Prat Airport to San Antonio takes 18h 16m
There are no direct flights from Barcelona-El Prat Airport to San Antonio. There are no popular flight routes from Barcelona-El Prat Airport to San Antonio.
Search flight deals

Frequently asked questions about flying from Barcelona-El Prat Airport to San Antonio

  • How far is Barcelona-El Prat to San Antonio by plane?

    The straight-line distance from Barcelona-El Prat to San Antonio is 5401.0 mi. A reasonable flight in good conditions will take 18h 16m.

  • When did momondo last update prices for flights from Barcelona-El Prat Airport to San Antonio Airport?

    Prices for flights from Barcelona-El Prat Airport to San Antonio Airport were last updated today.

  • How old do you have to be to fly from Barcelona-El Prat Airport to San Antonio Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Barcelona-El Prat Airport to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The required travel and health documents for your San Antonio Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Antonio Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near San Antonio?

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

Why use momondo?

Why should I use momondo to find a flight deal from Barcelona to San Antonio?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Barcelona to San Antonio. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Barcelona to San Antonio with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Barcelona to San Antonio flights to just show those with flexible booking policies.

How can momondo help me find flights from Barcelona to San Antonio?

Once all potential Barcelona to San Antonio flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Barcelona to San Antonio right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Barcelona to San Antonio flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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