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

Iberia, KLM, and United Airlines are the most popular carriers operating from San Antonio to Spain

What airlines fly to Spain?

British Airways, American Airlines and United Airlines are the top three most popular airlines that fly to Spain from San Antonio according to our data. British Airways is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Spain. Keep in mind that there are 10 different airlines that fly to Spain 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 Spain?

Prices for flights from San Antonio Airport to Spain are updated daily.

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

As of April 2026, there are 7 operators available to choose from for flights from San Antonio Airport to Spain.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to Spain.

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

The travel and health documents you'll need for your trip to Spain 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 Spain. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$315 Cheap Flights from San Antonio to Spain in 2026

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Find the cheapest flights from San Antonio to Spain

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:10 pm - 8:05 am

SAT

MAD

12h 55m

1 stop

12:45 pm - 11:08 pm

MAD

SAT

41h 23m

2 stops

$730United Airlines

ke, loka 7 - ke, loka 14

6:40 am - 8:05 am

SAT

MAD

18h 25m

2 stops

12:45 pm - 11:08 pm

MAD

SAT

41h 23m

2 stops

$734United Airlines

ke, loka 7 - ke, loka 14

8:13 am - 8:20 am

SAT

MAD

17h 07m

1 stop

11:45 am - 9:43 pm

MAD

SAT

16h 58m

1 stop

$749Iberia

su, loka 4 - ke, loka 14

5:30 pm - 4:55 pm

SAT

BIO

16h 25m

2 stops

1:30 pm - 10:55 pm

BIO

SAT

16h 25m

2 stops

$751American Airlines

ke, elo 19 - ke, syys 9

5:30 pm - 10:10 am

SAT

BCN

33h 40m

1 stop

10:30 am - 11:21 pm

BCN

SAT

19h 51m

1 stop

$770British Airways

la, syys 19 - ti, syys 29

7:09 pm - 5:35 pm

SAT

BCN

15h 26m

2 stops

10:30 am - 11:21 pm

BCN

SAT

19h 51m

1 stop

$817British Airways

la, syys 19 - ti, syys 29

2:45 pm - 10:10 am

SAT

BCN

12h 25m

1 stop

1:35 pm - 10:55 pm

BCN

SAT

16h 20m

2 stops

$831Iberia

ti, elo 25 - ti, syys 15

1:22 pm - 10:35 am

SAT

BCN

14h 13m

1 stop

12:20 pm - 11:23 pm

BCN

SAT

18h 03m

1 stop

$854American Airlines

ti, elo 25 - ti, syys 15

6:15 pm - 7:25 pm

SAT

ALC

18h 10m

2 stops

10:15 am - 11:12 pm

ALC

SAT

19h 57m

2 stops

$977Delta

su, syys 13 - ti, syys 22

12:10 pm - 7:25 pm

SAT

ALC

48h 15m

2 stops

10:15 am - 11:12 pm

ALC

SAT

19h 57m

2 stops

$984Delta

la, syys 12 - ti, syys 22

KLM flights from San Antonio to Spain

Our best KLM deals on San Antonio to Spain flight tickets

KLM

Oct 7

SAT2:10 pmSan Antonio

15h 05m

1 stop

MAD12:15 pmMadrid Barajas

Oct 21

MAD6:00 amMadrid Barajas

18h 18m

2 stops

SAT5:18 pmSan Antonio

$746

KLM

Sep 29

SAT2:10 pmSan Antonio

15h 05m

1 stop

MAD12:15 pmMadrid Barajas

Oct 13

MAD9:50 amMadrid Barajas

19h 37m

1 stop

SAT10:27 pmSan Antonio

$750

KLM

Sep 9

SAT12:10 pmSan Antonio

13h 35m

1 stop

BCN8:45 amBarcelona-El Prat

Sep 17

BCN11:00 amBarcelona-El Prat

18h 15m

1 stop

SAT10:15 pmSan Antonio

$829

United Airlines flights from San Antonio to Spain

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

United Airlines

May 4

SAT6:49 amSan Antonio

17h 46m

2 stops

AGP7:35 amMalaga

May 12

AGP9:35 amMalaga

20h 24m

2 stops

SAT10:59 pmSan Antonio

$715

United Airlines

Oct 7

SAT12:10 pmSan Antonio

12h 55m

1 stop

MAD8:05 amMadrid Barajas

Oct 14

MAD12:45 pmMadrid Barajas

41h 23m

2 stops

SAT11:08 pmSan Antonio

$730

United Airlines

Oct 7

SAT6:40 amSan Antonio

18h 25m

2 stops

MAD8:05 amMadrid Barajas

Oct 14

MAD12:45 pmMadrid Barajas

41h 23m

2 stops

SAT11:08 pmSan Antonio

$734

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioMadrid

SAT - MAD

SATMAD

San Antonio

ke 10/7

12:10 pm-8:05 am

1 stop12h 55m

Madrid Barajas

ke 10/14

12:45 pm-11:08 pm

2 stops41h 23m

$730

San AntonioMadrid

SAT - MAD

SATMAD

San Antonio

ke 10/7

6:40 am-8:05 am

2 stops18h 25m

Madrid Barajas

ke 10/14

12:45 pm-11:08 pm

2 stops41h 23m

$734

San AntonioMadrid

SAT - MAD

SATMAD

San Antonio

su 10/4

8:13 am-8:20 am

1 stop17h 07m

Madrid Barajas

ke 10/14

11:45 am-9:43 pm

1 stop16h 58m

$749

San AntonioBilbao

SAT - BIO

SATBIO

San Antonio

ke 8/19

5:30 pm-4:55 pm

2 stops16h 25m

Bilbao

ke 9/9

1:30 pm-10:55 pm

2 stops16h 25m

$751

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

la 9/19

5:30 pm-10:10 am

1 stop33h 40m

Barcelona-El Prat

ti 9/29

10:30 am-11:21 pm

1 stop19h 51m

$770

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

la 9/19

7:09 pm-5:35 pm

2 stops15h 26m

Barcelona-El Prat

ti 9/29

10:30 am-11:21 pm

1 stop19h 51m

$817

Quickest round-trip

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

ti 8/25

2:45 pm-10:10 am

1 stop12h 25m

Barcelona-El Prat

ti 9/15

1:35 pm-10:55 pm

2 stops16h 20m

$831

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

ti 8/25

1:22 pm-10:35 am

1 stop14h 13m

Barcelona-El Prat

ti 9/15

12:20 pm-11:23 pm

1 stop18h 03m

$854

San AntonioAlicante

SAT - ALC

SATALC

San Antonio

su 9/13

6:15 pm-7:25 pm

2 stops18h 10m

Alicante

ti 9/22

10:15 am-11:12 pm

2 stops19h 57m

$977

San AntonioAlicante

SAT - ALC

SATALC

San Antonio

la 9/12

12:10 pm-7:25 pm

2 stops48h 15m

Alicante

ti 9/22

10:15 am-11:12 pm

2 stops19h 57m

$984

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 Spain

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 Spain?

If you don’t want to visit Spain in January, then you should wait until March to fly from San Antonio, when ticket prices are also cheap, with an average price of $577.

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

You are more likely to see cheaper flights to Spain from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Spain for around $844 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Spain from San Antonio for as low as $573 on momondo.

Can stopping save me money on San Antonio to Spain flights?

You could potentially save up to 17% on your flight if you consider stops on a San Antonio to Spain flight.

Cheap San Antonio to Spain flight deals and tips

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

Fastest flight time	12h 24m
Direct flights	None

The fastest flight from San Antonio to Spain takes 12h 24m

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

Search flight deals

Frequently asked questions about flying from San Antonio to Spain

When did momondo last update prices for flights from San Antonio Airport to Spain?
Prices for flights from San Antonio Airport to Spain are updated daily.
How many operators does momondo search for flights from San Antonio Airport to Spain?
As of April 2026, there are 7 operators available to choose from for flights from San Antonio Airport to Spain.
How old do you have to be to fly from San Antonio Airport to Spain?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to Spain.
What documentation or ID do you need to fly to Spain?
The travel and health documents you'll need for your trip to Spain 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 Spain. 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 Spain

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

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $396	Free Cancellation	Rating 6.7 7,882 reviews	Search British Airways flights
KLM	PriceFrom $433	Free Cancellation	Rating 7.8 1,496 reviews	Search KLM flights
Delta	PriceFrom $452	Free Cancellation	Rating 7.9 8,407 reviews	Search Delta flights
United Airlines	PriceFrom $460	Free Cancellation	Rating 7.4 9,581 reviews	Search United Airlines flights
Iberia	PriceFrom $484	Free Cancellation	Rating 7.0 3,179 reviews	Search Iberia flights
Virgin Atlantic	PriceFrom $488	Free Cancellation	Rating 7.5 687 reviews	Search Virgin Atlantic flights
American Airlines	PriceFrom $489	Free Cancellation	Rating 7.1 11,568 reviews	Search American Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Antonio to Spain for you.

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

Yes. All flights to Spain 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 Spain?

Once all potential San Antonio to Spain 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 San Antonio to Spain right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Antonio to Spain flights. All you need is a valid email address and we will do the rest; it is that quick and easy.