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Cheap flights from San Antonio to San Juan from $104

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to San Juan departing on 7/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Spirit Airlines Logo
4:30 pm - 10:10 pmSAT-SJU
4h 40mnonstop
Spirit Airlines Logo
11:34 am - 3:22 pmSJU-SAT
4h 48mnonstop
$219Spirit Airlines
Find Deal
Mon, Aug 4 - Fri, Aug 8
Spirit Airlines Logo
3:48 pm - 9:11 pmSAT-SJU
4h 23mnonstop
Spirit Airlines Logo
10:06 am - 2:38 pmSJU-SAT
5h 32mnonstop
$220Spirit Airlines
Find Deal
Mon, Sep 1 - Mon, Sep 15
Spirit Airlines Logo
4:30 pm - 10:10 pmSAT-SJU
4h 40mnonstop
Spirit Airlines Logo
11:34 am - 3:22 pmSJU-SAT
4h 48mnonstop
$225Spirit Airlines
Find Deal
Mon, Jul 14 - Fri, Jul 18
 Logo
3:22 pm - 9:52 amSAT-SJU
17h 30m2 stops
 Logo
10:06 am - 2:38 pmSJU-SAT
5h 32mnonstop
Sat, Sep 20 - Mon, Sep 22
Spirit Airlines Logo
7:08 pm - 11:34 amSAT-SJU
15h 26m1 stop
Spirit Airlines Logo
10:06 am - 2:38 pmSJU-SAT
5h 32mnonstop
$237Spirit Airlines
Find Deal
Sun, Sep 7 - Fri, Sep 12
Spirit Airlines Logo
7:10 am - 9:09 pmSAT-SJU
12h 59m1 stop
Spirit Airlines Logo
11:34 am - 3:22 pmSJU-SAT
4h 48mnonstop
$238Spirit Airlines
Find Deal
Mon, Jul 14 - Fri, Jul 18
Delta Logo
6:45 am - 4:18 pmSAT-SJU
8h 33m1 stop
Delta Logo
5:30 pm - 12:05 amSJU-SAT
7h 35m1 stop
$275Delta
Find Deal
Tue, Oct 21 - Wed, Oct 29
American Airlines Logo
7:22 am - 3:52 pmSAT-SJU
7h 30m1 stop
American Airlines Logo
7:05 pm - 9:30 amSJU-SAT
15h 25m2 stops
$280American Airlines
Find Deal
Tue, Sep 9 - Sat, Sep 20
United Airlines Logo
1:20 pm - 11:57 pmSAT-SJU
9h 37m1 stop
United Airlines Logo
1:05 am - 12:01 pmSJU-SAT
11h 56m2 stops
$291United Airlines
Find Deal
Wed, Sep 17 - Tue, Sep 23
Frontier Logo
4:20 pm - 11:54 pmSAT-SJU
6h 34m1 stop
Frontier Logo
3:40 am - 3:35 pmSJU-SAT
12h 55m1 stop
$294Frontier
Find Deal
Fri, Oct 24 - Fri, Oct 31

Spirit Airlines flights from San Antonio to San Juan Luis Munoz Marin Intl Airport

Our best Spirit Airlines deals on San Antonio to San Juan Luis Munoz Marin Intl Airport flight tickets
Spirit Airlines
Aug 4
SAT4:30 pmSan Antonio
4h 40m
SJU10:10 pmSan Juan Luis Munoz Marin Intl
Aug 8
SJU11:34 amSan Juan Luis Munoz Marin Intl
4h 48m
SAT3:22 pmSan Antonio
Spirit Airlines
Sep 1
SAT3:48 pmSan Antonio
4h 23m
SJU9:11 pmSan Juan Luis Munoz Marin Intl
Sep 15
SJU10:06 amSan Juan Luis Munoz Marin Intl
5h 32m
SAT2:38 pmSan Antonio
Spirit Airlines
Jul 14
SAT4:30 pmSan Antonio
4h 40m
SJU10:10 pmSan Juan Luis Munoz Marin Intl
Jul 18
SJU11:34 amSan Juan Luis Munoz Marin Intl
4h 48m
SAT3:22 pmSan Antonio

Frontier flights from San Antonio to San Juan Luis Munoz Marin Intl Airport

Our best Frontier deals on San Antonio to San Juan Luis Munoz Marin Intl Airport flight tickets
Frontier
Oct 24
SAT4:20 pmSan Antonio
6h 34m
1 stop
SJU11:54 pmSan Juan Luis Munoz Marin Intl
Oct 31
SJU3:40 amSan Juan Luis Munoz Marin Intl
12h 55m
1 stop
SAT3:35 pmSan Antonio
Frontier
Jul 10
SAT8:14 pmSan Antonio
18h 46m
2 stops
SJU4:00 pmSan Juan Luis Munoz Marin Intl
Jul 13
SJU9:30 pmSan Juan Luis Munoz Marin Intl
11h 35m
1 stop
SAT8:05 amSan Antonio

See travel insights to San Juan from

How to get the cheapest flight ticket from San Antonio to San Juan Luis Munoz Marin Intl Airport

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 typical price of a round-trip flight between San Antonio and San Juan Luis Munoz Marin Intl Airport?

What is the cheapest month to fly to San Juan Luis Munoz Marin Intl Airport?

If you aren’t able to travel to San Juan Luis Munoz Marin Intl Airport during the month of April, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $345.

What is the cheapest day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

On average, the least expensive day to fly to San Juan Luis Munoz Marin Intl Airport from San Antonio is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $250. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday 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 $313.

What is the cheapest time of day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

The cheapest time of day to fly to San Juan Luis Munoz Marin Intl Airport is in the afternoon when flights can be purchased for as low as $263. Flights in the evening are often more expensive with an average ticket price of $438.

What is the cheapest San Antonio to San Juan Luis Munoz Marin Intl flight route?

Fly from San Antonio to San Juan Luis Munoz Marin Intl for the best San Antonio - San Juan Luis Munoz Marin Intl flight prices

How far in advance should I book a flight to San Juan Luis Munoz Marin Intl Airport?

You are more likely to see cheaper flights to San Juan Luis Munoz Marin Intl Airport from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan Luis Munoz Marin Intl Airport for around $418 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan Luis Munoz Marin Intl Airport from San Antonio for as low as $350 on momondo.

What cabin class options are available on San Antonio to San Juan Luis Munoz Marin Intl flights?

There are 1 cabin classes available to choose from on San Antonio to San Juan Luis Munoz Marin Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have San Antonio to San Juan Luis Munoz Marin Intl Airport flight prices changed over time?

As of June 2025, prices for San Antonio to San Juan Luis Munoz Marin Intl Airport flights are approximately 7% more expensive when compared to flights at the same time last year.

When to book flights from San Antonio to San Juan Luis Munoz Marin Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from San Antonio to San Juan Luis Munoz Marin Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Antonio to San Juan Luis Munoz Marin Intl Airport (SAT to SJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to San Juan Luis Munoz Marin Intl Airport

Best Price Found

$104

Fastest flight time

4h 23m

Direct flights

Tue and Sat
The best one-way flight to San Juan Luis Munoz Marin Intl Airport from San Antonio in the past 72 hours is $104. The best round-trip flight deal from San Antonio to San Juan Luis Munoz Marin Intl Airport found on momondo in the last 72 hours is $219.
The fastest flight from San Antonio to San Juan Luis Munoz Marin Intl Airport takes 4h 23m
Direct flights go from San Antonio to San Juan Luis Munoz Marin Intl Airport on Tuesday and Saturday. The only airline offering direct flights is Spirit Airlines.

  • How far is San Antonio to San Juan Luis Munoz Marin Intl by plane?

    San Juan Luis Munoz Marin Intl is 2177.2 mi away from San Antonio. In terms of flight time, this usually takes a little over 4h 23m.

  • When did momondo last update prices for flights from San Antonio Airport to San Juan Luis Munoz Marin Intl Airport?

    Prices for flights from San Antonio Airport to San Juan Luis Munoz Marin Intl Airport were last updated today.

  • How many operators does momondo search for flights from San Antonio Airport to San Juan Luis Munoz Marin Intl Airport?

  • How old do you have to be to fly from San Antonio Airport to San Juan Luis Munoz Marin Intl Airport?

    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 San Juan Luis Munoz Marin Intl Airport.

  • What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

    The required travel and health documents for your San Juan Luis Munoz Marin Intl 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 Juan Luis Munoz Marin Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from San Antonio to San Juan Luis Munoz Marin Intl Airport?

  • What is the most popular airline from San Antonio to San Juan Luis Munoz Marin Intl Airport?


Best airlines flying from San Antonio to San Juan Luis Munoz Marin Intl Airport

Compare and see reviews for airlines that fly from San Antonio to San Juan Luis Munoz Marin Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $130Free CancellationRating
5.9
3,293 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $166Free CancellationRating
6.3
8,096 reviews
Search Spirit Airlines flights
DeltaPriceFrom $265Free CancellationRating
8.0
7,969 reviews
Search Delta flights
United AirlinesPriceFrom $275Free CancellationRating
7.4
8,852 reviews
Search United Airlines flights
American AirlinesPriceFrom $292Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $393Free CancellationRating
8.0
4,278 reviews
Search Southwest flights
  • Spirit Airlines Flights From San Antonio to San Juan Luis Munoz Marin Intl Airport

    Spirit Airlines is one of the most popular airlines flying from San Antonio to San Juan Luis Munoz Marin Intl Airport, operating 3 flights/week on average for this route. A good Spirit Airlines flight deal for San Antonio to San Juan Luis Munoz Marin Intl Airport starts from $166 round-trip, up to an average price of $290. Our users have rated Spirit Airlines at 6.3/10.


Traveling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Carolina
Fajardo
Dorado
Luquillo
Caguas
Humacao
Rio Grande
Bayamón

Why use momondo?

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

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 San Juan for you.

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

Yes. momondo enables you to select and highlight flights to San Juan from San Antonio with this policy.

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

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

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


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1 adult
Sat 7/5
Sat 7/12

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