What airlines fly to Barcelona?

United Airlines, British Airways and American Airlines are the top three most popular airlines that fly to Barcelona from San Antonio according to our data. United Airlines is the first choice among our users, with 28% of people opting to fly with this airline when traveling to Barcelona. Keep in mind that there are 9 different airlines that fly to Barcelona on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from San Antonio to Barcelona?

KLM, Lufthansa, and Delta are the most popular carriers operating from San Antonio to Barcelona

When did momondo last update prices for flights from San Antonio Airport to Barcelona?

Prices for flights from San Antonio Airport to Barcelona are refreshed on a daily basis.

How many operators does momondo search for flights from San Antonio Airport to Barcelona?

As of August 2025, there are 6 operators available to choose from for flights from San Antonio Airport to Barcelona.

How old do you have to be to fly from San Antonio Airport to Barcelona?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Antonio Airport to Barcelona.

What documentation or ID do you need to fly to Barcelona?

The travel and health documents you'll need for your trip to Barcelona may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Barcelona. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$314 Cheap Flights from San Antonio to Barcelona in 2025

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Find the cheapest flights from San Antonio to Barcelona

Round-trip

One-way

Last minute

Cheap round-trip flights

4:35 pm - 3:00 pmSAT-BCN

15h 25m2 stops

10:15 am - 9:51 amBCN-SAT

30h 36m2 stops

$457Delta

Find Deal

Mon, Nov 3 - Wed, Nov 12

4:35 pm - 3:00 pmSAT-BCN

15h 25m2 stops

10:15 am - 10:57 amBCN-SAT

31h 42m1 stop

$458Delta

Find Deal

Mon, Nov 3 - Wed, Nov 12

7:30 pm - 9:35 amSAT-BCN

31h 05m2 stops

1:35 pm - 8:15 pmBCN-SAT

37h 40m2 stops

$466Air Canada

Find Deal

Mon, Nov 3 - Wed, Nov 12

7:05 am - 9:35 amSAT-BCN

19h 30m2 stops

1:35 pm - 10:43 amBCN-SAT

28h 08m2 stops

$484United Airlines

Find Deal

Sun, Nov 2 - Mon, Nov 17

5:13 pm - 5:35 pmSAT-BCN

17h 22m2 stops

3:05 pm - 11:16 pmBCN-SAT

15h 11m1 stop

$506United Airlines

Find Deal

Mon, Nov 3 - Tue, Nov 11

7:30 pm - 9:35 amSAT-BCN

31h 05m2 stops

1:35 pm - 3:18 pmBCN-SAT

32h 43m2 stops

$516Air Canada

Find Deal

Mon, Nov 3 - Fri, Nov 14

1:23 pm - 11:05 pmSAT-BCN

26h 42m2 stops

9:55 am - 10:27 pmBCN-SAT

19h 32m2 stops

$521Lufthansa

Find Deal

Tue, Nov 4 - Thu, Nov 13

10:54 am - 9:20 amSAT-BCN

15h 26m1 stop

12:15 pm - 10:42 pmBCN-SAT

17h 27m2 stops

$531

Find Deal

Tue, Oct 21 - Tue, Nov 4

12:23 pm - 9:20 amSAT-BCN

13h 57m1 stop

12:15 pm - 10:42 pmBCN-SAT

17h 27m2 stops

$532

Find Deal

Tue, Oct 21 - Tue, Nov 4

5:13 pm - 11:05 pmSAT-BCN

22h 52m2 stops

1:55 pm - 10:27 pmBCN-SAT

39h 32m2 stops

$540Lufthansa

Find Deal

Mon, Nov 3 - Sun, Nov 16

Delta flights from San Antonio to Barcelona

Our best Delta deals on San Antonio to Barcelona flight tickets

Delta

Nov 3

SAT4:35 pmSan Antonio

15h 25m

2 stops

BCN3:00 pmBarcelona-El Prat

Nov 12

BCN10:15 amBarcelona-El Prat

30h 36m

2 stops

SAT9:51 amSan Antonio

$457

Find similar

Delta

Nov 3

SAT4:35 pmSan Antonio

15h 25m

2 stops

BCN3:00 pmBarcelona-El Prat

Nov 12

BCN10:15 amBarcelona-El Prat

31h 42m

1 stop

SAT10:57 amSan Antonio

$458

Find similar

Delta

Nov 3

SAT5:14 amSan Antonio

20h 26m

1 stop

BCN8:40 amBarcelona-El Prat

Nov 13

BCN9:55 amBarcelona-El Prat

21h 30m

2 stops

SAT12:25 amSan Antonio

$461

Find similar

Air Canada flights from San Antonio to Barcelona

Our best Air Canada deals on San Antonio to Barcelona flight tickets

Air Canada

Nov 3

SAT7:30 pmSan Antonio

31h 05m

2 stops

BCN9:35 amBarcelona-El Prat

Nov 12

BCN1:35 pmBarcelona-El Prat

37h 40m

2 stops

SAT8:15 pmSan Antonio

$466

Find similar

Air Canada

Nov 3

SAT7:30 pmSan Antonio

31h 05m

2 stops

BCN9:35 amBarcelona-El Prat

Nov 14

BCN1:35 pmBarcelona-El Prat

32h 43m

2 stops

SAT3:18 pmSan Antonio

$516

Find similar

Air Canada

Nov 14

SAT7:40 amSan Antonio

18h 55m

3 stops

BCN9:35 amBarcelona-El Prat

Nov 19

BCN6:50 amBarcelona-El Prat

23h 06m

3 stops

SAT10:56 pmSan Antonio

$556

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Mon 11/3

4:35 pm-3:00 pm

2 stops15h 25m

Barcelona-El Prat

Wed 11/12

10:15 am-9:51 am

2 stops30h 36m

$457

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Mon 11/3

4:35 pm-3:00 pm

2 stops15h 25m

Barcelona-El Prat

Wed 11/12

10:15 am-10:57 am

1 stop31h 42m

$458

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Mon 11/3

7:30 pm-9:35 am

2 stops31h 05m

Barcelona-El Prat

Wed 11/12

1:35 pm-8:15 pm

2 stops37h 40m

$466

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Sun 11/2

7:05 am-9:35 am

2 stops19h 30m

Barcelona-El Prat

Mon 11/17

1:35 pm-10:43 am

2 stops28h 08m

$484

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Mon 11/3

5:13 pm-5:35 pm

2 stops17h 22m

Barcelona-El Prat

Tue 11/11

3:05 pm-11:16 pm

1 stop15h 11m

$506

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Mon 11/3

7:30 pm-9:35 am

2 stops31h 05m

Barcelona-El Prat

Fri 11/14

1:35 pm-3:18 pm

2 stops32h 43m

$516

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Tue 11/4

1:23 pm-11:05 pm

2 stops26h 42m

Barcelona-El Prat

Thu 11/13

9:55 am-10:27 pm

2 stops19h 32m

$521

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Tue 10/21

10:54 am-9:20 am

1 stop15h 26m

Barcelona-El Prat

Tue 11/4

12:15 pm-10:42 pm

2 stops17h 27m

$531

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Tue 10/21

12:23 pm-9:20 am

1 stop13h 57m

Barcelona-El Prat

Tue 11/4

12:15 pm-10:42 pm

2 stops17h 27m

$532

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Mon 11/3

5:13 pm-11:05 pm

2 stops22h 52m

Barcelona-El Prat

Sun 11/16

1:55 pm-10:27 pm

2 stops39h 32m

$540

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Antonio to Barcelona

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

Prices

Airlines

What is the cheapest month to fly to Barcelona?

The month of January is, on average, the cheapest month to fly to Barcelona from San Antonio, with most prices found around $599. If you don’t want to visit Barcelona in January, then you should wait until November to fly from San Antonio, when ticket prices are also cheap, with an average price of $658.

What is the cheapest day to depart on your flight to Barcelona?

The cheapest day to depart from San Antonio to Barcelona is on a Tuesday when prices can be found for as low as $778. On the other hand, Friday is the most expensive day to depart from San Antonio because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,171.

What is the cheapest time of day to depart on your flight to Barcelona?

In the evening is the cheapest time of day to fly from San Antonio to Barcelona when you can find flight prices for as low as $816. Flying to Barcelona in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,000 on average. Flights to Barcelona from San Antonio at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Barcelona?

You are more likely to see cheaper flights to Barcelona from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona for around $938 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona from San Antonio for as low as $821 on momondo.

Cheap San Antonio to Barcelona flight deals and tips

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

Direct flights	None

There are no direct flights from San Antonio to Barcelona. There are no popular flight routes from San Antonio to Barcelona.

Search flight deals

How far is San Antonio to Barcelona by plane?
There are 5402.3 mi between San Antonio and Barcelona. By plane, this route typically takes 12h 50m.
When did momondo last update prices for flights from San Antonio Airport to Barcelona?
Prices for flights from San Antonio Airport to Barcelona are refreshed on a daily basis.
How many operators does momondo search for flights from San Antonio Airport to Barcelona?
As of August 2025, there are 6 operators available to choose from for flights from San Antonio Airport to Barcelona.
How old do you have to be to fly from San Antonio Airport to Barcelona?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Antonio Airport to Barcelona.
What documentation or ID do you need to fly to Barcelona?
The travel and health documents you'll need for your trip to Barcelona may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Barcelona. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from San Antonio to Barcelona

Compare and see reviews for airlines that fly from San Antonio to Barcelona with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $460	Free Cancellation	Rating 7.4 8,930 reviews	Search United Airlines flights
American Airlines	PriceFrom $570	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $570	Free Cancellation	Rating 7.9 7,981 reviews	Search Delta flights
British Airways	PriceFrom $576	Free Cancellation	Rating 6.7 7,291 reviews	Search British Airways flights
KLM	PriceFrom $590	Free Cancellation	Rating 7.8 1,388 reviews	Search KLM flights
Iberia	PriceFrom $597	Free Cancellation	Rating 7.0 2,884 reviews	Search Iberia flights

Why use momondo?

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

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

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

Yes. All flights to Barcelona from San Antonio on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for San Antonio to Barcelona flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Barcelona from San Antonio. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.