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

British Airways, KLM, and Finnair are the most popular carriers operating from San Antonio to Spain

What airlines fly to Spain?

British Airways, United Airlines and American 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 39% 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 May 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.

$343 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.

2:10 pm - 12:15 pm

SAT

MAD

15h 05m

1 stop

9:50 am - 12:28 am

MAD

SAT

21h 38m

1 stop

$750KLM

Tue, Sep 29 - Tue, Oct 13

5:30 pm - 3:55 pm

SAT

BIO

15h 25m

2 stops

6:45 am - 5:09 pm

BIO

SAT

17h 24m

2 stops

$752KLM

Wed, Aug 19 - Wed, Sep 2

10:03 am - 9:35 am

SAT

MAD

16h 32m

1 stop

12:40 pm - 11:58 pm

MAD

SAT

18h 18m

1 stop

$757British Airways

Sun, Oct 4 - Tue, Jan 12

1:00 pm - 9:35 am

SAT

MAD

13h 35m

1 stop

11:45 am - 9:43 pm

MAD

SAT

16h 58m

1 stop

$762American Airlines

Tue, Sep 29 - Tue, Oct 13

5:30 pm - 2:25 pm

SAT

MAD

13h 55m

1 stop

12:00 pm - 9:52 pm

MAD

SAT

16h 52m

2 stops

$774Iberia

Sun, Oct 4 - Tue, Jan 12

9:00 am - 8:50 am

SAT

MAD

16h 50m

1 stop

1:30 pm - 3:39 pm

MAD

SAT

33h 09m

2 stops

$786United Airlines

Tue, Sep 1 - Tue, Sep 15

7:35 am - 8:50 am

SAT

MAD

18h 15m

2 stops

1:30 pm - 9:16 pm

MAD

SAT

38h 46m

2 stops

$790United Airlines

Tue, Sep 1 - Tue, Sep 15

9:16 am - 10:10 am

SAT

BCN

17h 54m

1 stop

10:30 am - 12:42 am

BCN

SAT

21h 12m

1 stop

$831British Airways

Tue, Aug 18 - Tue, Aug 25

8:00 am - 10:10 am

SAT

BCN

19h 10m

1 stop

10:30 am - 5:59 pm

BCN

SAT

14h 29m

1 stop

$836American Airlines

Tue, Aug 18 - Tue, Aug 25

2:45 pm - 2:05 am

SAT

TFS

29h 20m

2 stops

9:10 am - 11:59 pm

TFS

SAT

44h 49m

2 stops

$1,383Iberia

Wed, Jun 17 - Wed, Jun 24

KLM flights from San Antonio to Spain

Our best KLM deals on San Antonio to Spain flight tickets

KLM

Sep 29

SAT10:45 amSan Antonio

18h 30m

1 stop

MAD12:15 pmMadrid Barajas

Oct 13

MAD9:50 amMadrid Barajas

21h 38m

1 stop

SAT12:28 amSan Antonio

$750

KLM

Aug 19

SAT5:30 pmSan Antonio

15h 25m

2 stops

BIO3:55 pmBilbao

Sep 2

BIO6:45 amBilbao

17h 24m

2 stops

SAT5:09 pmSan Antonio

$752

KLM

Sep 16

SAT12:10 pmSan Antonio

14h 45m

1 stop

MAD9:55 amMadrid Barajas

Sep 29

MAD9:50 amMadrid Barajas

14h 19m

1 stop

SAT5:09 pmSan Antonio

$797

Delta flights from San Antonio to Spain

Our best Delta deals on San Antonio to Spain flight tickets

Delta

Sep 29

SAT5:30 pmSan Antonio

11h 45m

1 stop

MAD12:15 pmMadrid Barajas

Oct 13

MAD6:00 amMadrid Barajas

21h 22m

2 stops

SAT8:22 pmSan Antonio

$752

Delta

Sep 16

SAT12:10 pmSan Antonio

14h 45m

1 stop

MAD9:55 amMadrid Barajas

Sep 29

MAD6:00 amMadrid Barajas

24h 12m

2 stops

SAT11:12 pmSan Antonio

$799

Delta

Sep 16

SAT6:45 amSan Antonio

20h 10m

2 stops

MAD9:55 amMadrid Barajas

Sep 29

MAD9:50 amMadrid Barajas

20h 22m

2 stops

SAT11:12 pmSan Antonio

$801

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioMadrid

SAT - MAD

SATMAD

San Antonio

Tue 9/29

2:10 pm-12:15 pm

1 stop15h 05m

Madrid Barajas

Tue 10/13

9:50 am-12:28 am

1 stop21h 38m

$750

San AntonioBilbao

SAT - BIO

SATBIO

San Antonio

Wed 8/19

5:30 pm-3:55 pm

2 stops15h 25m

Bilbao

Wed 9/2

6:45 am-5:09 pm

2 stops17h 24m

$752

San AntonioMadrid

SAT - MAD

SATMAD

San Antonio

Sun 10/4

10:03 am-9:35 am

1 stop16h 32m

Madrid Barajas

Tue 1/12

12:40 pm-11:58 pm

1 stop18h 18m

$757

Quickest round-trip

San AntonioMadrid

SAT - MAD

SATMAD

San Antonio

Tue 9/29

1:00 pm-9:35 am

1 stop13h 35m

Madrid Barajas

Tue 10/13

11:45 am-9:43 pm

1 stop16h 58m

$762

San AntonioMadrid

SAT - MAD

SATMAD

San Antonio

Sun 10/4

5:30 pm-2:25 pm

1 stop13h 55m

Madrid Barajas

Tue 1/12

12:00 pm-9:52 pm

2 stops16h 52m

$774

San AntonioMadrid

SAT - MAD

SATMAD

San Antonio

Tue 9/1

9:00 am-8:50 am

1 stop16h 50m

Madrid Barajas

Tue 9/15

1:30 pm-3:39 pm

2 stops33h 09m

$786

San AntonioMadrid

SAT - MAD

SATMAD

San Antonio

Tue 9/1

7:35 am-8:50 am

2 stops18h 15m

Madrid Barajas

Tue 9/15

1:30 pm-9:16 pm

2 stops38h 46m

$790

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Tue 8/18

9:16 am-10:10 am

1 stop17h 54m

Barcelona-El Prat

Tue 8/25

10:30 am-12:42 am

1 stop21h 12m

$831

San AntonioBarcelona

SAT - BCN

SATBCN

San Antonio

Tue 8/18

8:00 am-10:10 am

1 stop19h 10m

Barcelona-El Prat

Tue 8/25

10:30 am-5:59 pm

1 stop14h 29m

$836

San AntonioGranadilla

SAT - TFS

SATTFS

San Antonio

Wed 6/17

2:45 pm-2:05 am

2 stops29h 20m

Granadilla Tenerife-Sur

Wed 6/24

9:10 am-11:59 pm

2 stops44h 49m

$1,383

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 February, then you should wait until March to fly from San Antonio, when ticket prices are also cheap, with an average price of $388.

How far in advance should I book a flight from San Antonio 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 $862 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 24% 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 21m
Direct flights	None

The fastest flight from San Antonio to Spain takes 12h 21m

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 May 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 7,943 reviews	Search British Airways flights
KLM	PriceFrom $433	Free Cancellation	Rating 7.8 1,511 reviews	Search KLM flights
Delta	PriceFrom $452	Free Cancellation	Rating 7.9 8,460 reviews	Search Delta flights
United Airlines	PriceFrom $460	Free Cancellation	Rating 7.4 9,680 reviews	Search United Airlines flights
Iberia	PriceFrom $484	Free Cancellation	Rating 7.0 3,208 reviews	Search Iberia flights
Virgin Atlantic	PriceFrom $488	Free Cancellation	Rating 7.4 688 reviews	Search Virgin Atlantic flights
American Airlines	PriceFrom $489	Free Cancellation	Rating 7.1 11,670 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.