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

Lufthansa and British Airways are the most popular carriers operating from San Antonio to Barcelona

What airlines fly to Barcelona?

British Airways, United Airlines and American Airlines are the top three most popular airlines that fly to Barcelona from San Antonio according to our data. British Airways is the first choice among our users, with 33% 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.

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 December 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.

$309 Cheap Flights from San Antonio to Barcelona in 2025/26

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Find the cheapest flights from San Antonio to Barcelona

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:55 pm - 8:00 am

SAT

BCN

12h 05m1 stop

10:55 am - 12:38 am

BCN

SAT

20h 43m1 stop

$443Virgin Atlantic

Mon, Jan 19 - Sun, Feb 1

11:43 am - 9:00 am

SAT

BCN

14h 17m2 stops

1:35 pm - 2:50 pm

BCN

SAT

32h 15m2 stops

$465United Airlines

Tue, Feb 3 - Tue, Feb 10

5:20 pm - 4:05 pm

SAT

BCN

15h 45m2 stops

10:40 am - 9:52 pm

BCN

SAT

18h 12m1 stop

$467British Airways

Mon, Jan 19 - Sun, Feb 1

9:50 am - 9:35 am

SAT

BCN

16h 45m2 stops

1:35 pm - 11:12 pm

BCN

SAT

40h 37m2 stops

$468Air Canada

Wed, Feb 11 - Tue, Feb 17

1:08 pm - 8:50 am

SAT

BCN

12h 42m1 stop

10:40 am - 6:23 pm

BCN

SAT

14h 43m1 stop

$469Finnair

Thu, Feb 5 - Thu, Feb 26

3:07 pm - 1:20 pm

SAT

BCN

15h 13m2 stops

10:40 am - 8:48 pm

BCN

SAT

17h 08m1 stop

$472British Airways

Thu, Feb 5 - Thu, Feb 26

5:20 pm - 5:00 pm

SAT

BCN

16h 40m2 stops

10:40 am - 8:50 pm

BCN

SAT

17h 10m1 stop

$473British Airways

Sun, Jan 18 - Sun, Jan 25

5:25 pm - 5:35 pm

SAT

BCN

17h 10m2 stops

5:50 am - 11:12 pm

BCN

SAT

24h 22m2 stops

$476Lufthansa

Sun, Feb 15 - Sat, Feb 28

11:43 am - 9:35 am

SAT

BCN

38h 52m3 stops

1:35 pm - 11:11 am

BCN

SAT

28h 36m2 stops

$481Multiple Airlines

Thu, Feb 5 - Thu, Feb 26

4:45 pm - 7:05 pm

SAT

BCN

19h 20m2 stops

8:40 pm - 11:41 pm

BCN

SAT

34h 01m2 stops

$482British Airways

Sun, Feb 15 - Sat, Feb 28

United Airlines flights from San Antonio to Barcelona

Our best United Airlines deals on San Antonio to Barcelona flight tickets

United Airlines

Feb 3

SAT11:43 amSan Antonio

14h 17m

2 stops

BCN9:00 amBarcelona-El Prat

Feb 10

BCN1:35 pmBarcelona-El Prat

32h 15m

2 stops

SAT2:50 pmSan Antonio

$465

Find similar

United Airlines

Feb 15

SAT9:58 amSan Antonio

40h 37m

3 stops

BCN9:35 amBarcelona-El Prat

Feb 28

BCN11:00 amBarcelona-El Prat

19h 12m

2 stops

SAT11:12 pmSan Antonio

$502

Find similar

United Airlines

Mar 17

SAT4:40 pmSan Antonio

17h 40m

2 stops

BCN4:20 pmBarcelona-El Prat

Mar 23

BCN9:55 amBarcelona-El Prat

31h 16m

2 stops

SAT11:11 amSan Antonio

$508

Find similar

British Airways flights from San Antonio to Barcelona

Our best British Airways deals on San Antonio to Barcelona flight tickets

British Airways

Jan 19

SAT5:20 pmSan Antonio

15h 45m

2 stops

BCN4:05 pmBarcelona-El Prat

Feb 1

BCN10:40 amBarcelona-El Prat

18h 12m

1 stop

SAT9:52 pmSan Antonio

$467

Find similar

British Airways

Feb 5

SAT3:07 pmSan Antonio

15h 13m

2 stops

BCN1:20 pmBarcelona-El Prat

Feb 26

BCN10:40 amBarcelona-El Prat

17h 08m

1 stop

SAT8:48 pmSan Antonio

$472

Find similar

British Airways

Jan 18

SAT5:20 pmSan Antonio

16h 40m

2 stops

BCN5:00 pmBarcelona-El Prat

Jan 25

BCN10:40 amBarcelona-El Prat

17h 10m

1 stop

SAT8:50 pmSan Antonio

$473

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Mon 1/19

12:55 pm-8:00 am

1 stop12h 05m

Barcelona-El Prat

Sun 2/1

10:55 am-12:38 am

1 stop20h 43m

$443

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Tue 2/3

11:43 am-9:00 am

2 stops14h 17m

Barcelona-El Prat

Tue 2/10

1:35 pm-2:50 pm

2 stops32h 15m

$465

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Mon 1/19

5:20 pm-4:05 pm

2 stops15h 45m

Barcelona-El Prat

Sun 2/1

10:40 am-9:52 pm

1 stop18h 12m

$467

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Wed 2/11

9:50 am-9:35 am

2 stops16h 45m

Barcelona-El Prat

Tue 2/17

1:35 pm-11:12 pm

2 stops40h 37m

$468

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Thu 2/5

1:08 pm-8:50 am

1 stop12h 42m

Barcelona-El Prat

Thu 2/26

10:40 am-6:23 pm

1 stop14h 43m

$469

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Thu 2/5

3:07 pm-1:20 pm

2 stops15h 13m

Barcelona-El Prat

Thu 2/26

10:40 am-8:48 pm

1 stop17h 08m

$472

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Sun 1/18

5:20 pm-5:00 pm

2 stops16h 40m

Barcelona-El Prat

Sun 1/25

10:40 am-8:50 pm

1 stop17h 10m

$473

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Sun 2/15

5:25 pm-5:35 pm

2 stops17h 10m

Barcelona-El Prat

Sat 2/28

5:50 am-11:12 pm

2 stops24h 22m

$476

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Thu 2/5

11:43 am-9:35 am

3 stops38h 52m

Barcelona-El Prat

Thu 2/26

1:35 pm-11:11 am

2 stops28h 36m

$481

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Sun 2/15

4:45 pm-7:05 pm

2 stops19h 20m

Barcelona-El Prat

Sat 2/28

8:40 pm-11:41 pm

2 stops34h 01m

$482

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 $493. 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 $623.

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 $923 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 $551 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

Fastest flight time	14h 17m
Direct flights	None

The fastest flight from San Antonio to Barcelona takes 14h 17m

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 14h 17m.
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 December 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
Delta	PriceFrom $433	Free Cancellation	Rating 7.9 8,015 reviews	Search Delta flights
KLM	PriceFrom $433	Free Cancellation	Rating 7.7 1,431 reviews	Search KLM flights
United Airlines	PriceFrom $452	Free Cancellation	Rating 7.4 9,102 reviews	Search United Airlines flights
British Airways	PriceFrom $595	Free Cancellation	Rating 6.7 7,602 reviews	Search British Airways flights
Iberia	PriceFrom $622	Free Cancellation	Rating 7.0 3,055 reviews	Search Iberia flights
American Airlines	PriceFrom $637	Free Cancellation	Rating 7.2 11,051 reviews	Search American Airlines 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.