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Cheap flights from Barcelona-El Prat Airport to San Antonio from $377

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Barcelona-El Prat Airport to San Antonio departing on 10/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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.
Multiple Airlines Logo
12:25 pm - 10:35 am-
29h 10m
Multiple Airlines Logo
3:30 pm - 1:40 pm-
39h 10m
$883Multiple Airlines
Tue, Nov 17 - Tue, Dec 1
Air Canada Logo
6:40 am - 9:13 pm-
21h 33m
Air Canada Logo
8:50 am - 9:20 am-
17h 30m
$900Air Canada
Fri, Sep 11 - Tue, Sep 15
Lufthansa Logo
6:40 am - 5:43 pm-
18h 03m
Lufthansa Logo
12:10 pm - 8:20 am-
13h 10m
$902Lufthansa
Mon, Sep 14 - Mon, Sep 21
Air Canada Logo
6:40 am - 9:13 pm-
21h 33m
Air Canada Logo
8:50 am - 8:00 am-
16h 10m
$903Air Canada
Fri, Sep 11 - Tue, Sep 15
Lufthansa Logo
6:40 am - 5:43 pm-
18h 03m
Lufthansa Logo
11:34 am - 4:05 pm-
21h 31m
$907Lufthansa
Mon, Sep 14 - Mon, Sep 21
Lufthansa Logo
5:55 am - 8:53 pm-
21h 58m
Lufthansa Logo
5:20 pm - 1:15 pm-
12h 55m
$908Lufthansa
Thu, Nov 5 - Wed, Nov 18
Lufthansa Logo
8:00 am - 10:50 pm-
21h 50m
Lufthansa Logo
12:10 pm - 8:20 am-
13h 10m
$908Lufthansa
Thu, Sep 3 - Thu, Sep 17
Air Canada Logo
1:15 pm - 9:13 pm-
14h 58m
Air Canada Logo
8:50 am - 9:20 am-
17h 30m
$911Air Canada
Fri, Sep 11 - Tue, Sep 15
Lufthansa Logo
8:00 am - 8:38 pm-
19h 38m
Lufthansa Logo
12:10 pm - 8:20 am-
13h 10m
$912Lufthansa
Fri, Sep 11 - Tue, Sep 15
Lufthansa Logo
10:20 am - 9:16 pm-
17h 56m
Lufthansa Logo
5:30 pm - 11:05 pm-
22h 35m
$912Lufthansa
Thu, Sep 3 - Thu, Sep 17

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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 24
BCN6:40 amBarcelona-El Prat
23h 10m
2 stops
SAT10:50 pmSan Antonio
Nov 8
SAT11:45 amSan Antonio
18h 30m
2 stops
BCN1:15 pmBarcelona-El Prat
$935
United Airlines
Sep 29
BCN6:40 amBarcelona-El Prat
21h 51m
2 stops
SAT9:31 pmSan Antonio
Oct 24
SAT4:17 pmSan Antonio
14h 58m
2 stops
BCN2:15 pmBarcelona-El Prat
$937
United Airlines
Sep 23
BCN6:40 amBarcelona-El Prat
19h 20m
2 stops
SAT7:00 pmSan Antonio
Oct 4
SAT7:35 amSan Antonio
18h 25m
2 stops
BCN9:00 amBarcelona-El Prat
$938

Air Canada flights from Barcelona-El Prat Airport to San Antonio

Our best Air Canada deals on Barcelona-El Prat Airport to San Antonio flight tickets
Air Canada
Sep 11
BCN1:15 pmBarcelona-El Prat
14h 58m
1 stop
SAT9:13 pmSan Antonio
Sep 15
SAT8:50 amSan Antonio
17h 30m
1 stop
BCN9:20 amBarcelona-El Prat
$922
Air Canada
Aug 27
BCN12:15 pmBarcelona-El Prat
17h 35m
2 stops
SAT10:50 pmSan Antonio
Aug 31
SAT7:35 amSan Antonio
17h 25m
2 stops
BCN8:00 amBarcelona-El Prat
$932
Air Canada
Nov 17
BCN5:55 amBarcelona-El Prat
22h 31m
3 stops
SAT9:26 pmSan Antonio
Dec 1
SAT7:30 amSan Antonio
19h 05m
3 stops
BCN9:35 amBarcelona-El Prat
$963

momondo Fare Finder

 
Customize your flight search to find flights from Barcelona-El Prat Airport 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, momondo users made 832,500 searches. Data last updated August 5, 2026.
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 - SAT

BCNSAT

Barcelona-El Prat

Tue 11/17

12:25 pm-10:35 am

2 stops29h 10m

San Antonio

Tue 12/1

3:30 pm-1:40 pm

2 stops39h 10m

$883

BarcelonaSan Antonio

BCN - SAT

BCNSAT

Barcelona-El Prat

Fri 9/11

6:40 am-9:13 pm

2 stops21h 33m

San Antonio

Tue 9/15

8:50 am-9:20 am

1 stop17h 30m

$900
Quickest round-trip

BarcelonaSan Antonio

BCN - SAT

BCNSAT

Barcelona-El Prat

Mon 9/14

6:40 am-5:43 pm

2 stops18h 03m

San Antonio

Mon 9/21

12:10 pm-8:20 am

1 stop13h 10m

$902

BarcelonaSan Antonio

BCN - SAT

BCNSAT

Barcelona-El Prat

Fri 9/11

6:40 am-9:13 pm

2 stops21h 33m

San Antonio

Tue 9/15

8:50 am-8:00 am

2 stops16h 10m

$903

BarcelonaSan Antonio

BCN - SAT

BCNSAT

Barcelona-El Prat

Mon 9/14

6:40 am-5:43 pm

2 stops18h 03m

San Antonio

Mon 9/21

11:34 am-4:05 pm

2 stops21h 31m

$907

BarcelonaSan Antonio

BCN - SAT

BCNSAT

Barcelona-El Prat

Thu 11/5

5:55 am-8:53 pm

2 stops21h 58m

San Antonio

Wed 11/18

5:20 pm-1:15 pm

1 stop12h 55m

$908

BarcelonaSan Antonio

BCN - SAT

BCNSAT

Barcelona-El Prat

Thu 9/3

8:00 am-10:50 pm

2 stops21h 50m

San Antonio

Thu 9/17

12:10 pm-8:20 am

1 stop13h 10m

$908

BarcelonaSan Antonio

BCN - SAT

BCNSAT

Barcelona-El Prat

Fri 9/11

1:15 pm-9:13 pm

1 stop14h 58m

San Antonio

Tue 9/15

8:50 am-9:20 am

1 stop17h 30m

$911

BarcelonaSan Antonio

BCN - SAT

BCNSAT

Barcelona-El Prat

Fri 9/11

8:00 am-8:38 pm

2 stops19h 38m

San Antonio

Tue 9/15

12:10 pm-8:20 am

1 stop13h 10m

$912

BarcelonaSan Antonio

BCN - SAT

BCNSAT

Barcelona-El Prat

Thu 9/3

10:20 am-9:16 pm

2 stops17h 56m

San Antonio

Thu 9/17

5:30 pm-11:05 pm

2 stops22h 35m

$912

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 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.

Can stopping save me money on Barcelona-El Prat Airport to San Antonio flights?

You could potentially save up to 6% on your flight if you consider stops on a Barcelona-El Prat Airport to San Antonio flight.

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

As of August 2026, prices for Barcelona-El Prat Airport to San Antonio flights are approximately 23% 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

Fastest flight time

17h 19m

Direct flights

None
The fastest flight from Barcelona-El Prat Airport to San Antonio takes 17h 19m
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 17h 19m.

  • 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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