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Cheap flights from San Antonio to Puerto Rico from $94

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 Puerto Rico departing on 12/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

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Spirit Airlines Logo
1:55 pm - 12:45 amSAT-SJU
8h 50m1 stop
Spirit Airlines Logo
6:14 pm - 11:26 pmSJU-SAT
7h 12m1 stop
$187Spirit Airlines
Find Deal
lun., dic. 8 - vie., dic. 12
Spirit Airlines Logo
1:55 pm - 12:45 amSAT-SJU
8h 50m1 stop
Spirit Airlines Logo
6:15 am - 9:22 amSJU-SAT
5h 07mnonstop
$188Spirit Airlines
Find Deal
lun., dic. 8 - vie., dic. 12
Spirit Airlines Logo
10:27 am - 5:09 pmSAT-SJU
4h 42mnonstop
Spirit Airlines Logo
6:15 am - 9:22 amSJU-SAT
5h 07mnonstop
$190Spirit Airlines
Find Deal
lun., dic. 8 - vie., dic. 12
Spirit Airlines Logo
10:27 am - 5:09 pmSAT-SJU
4h 42mnonstop
Spirit Airlines Logo
6:15 am - 9:22 amSJU-SAT
5h 07mnonstop
$191Spirit Airlines
Find Deal
vie., dic. 12 - lun., dic. 15
Frontier Logo
3:02 pm - 2:50 amSAT-SJU
9h 48m1 stop
Frontier Logo
3:55 am - 2:07 pmSJU-SAT
12h 12m1 stop
$201Frontier
Find Deal
sáb., feb. 21 - vie., feb. 27
Multiple Airlines Logo
10:27 am - 5:09 pmSAT-SJU
4h 42mnonstop
Multiple Airlines Logo
7:25 am - 5:01 pmSJU-SAT
11h 36m1 stop
$208Multiple Airlines
Find Deal
lun., dic. 15 - lun., dic. 22
Multiple Airlines Logo
9:10 am - 2:50 amSAT-SJU
15h 40m1 stop
Multiple Airlines Logo
6:15 am - 9:22 amSJU-SAT
5h 07mnonstop
$210Multiple Airlines
Find Deal
jue., dic. 11 - lun., dic. 15
Frontier Logo
3:02 pm - 2:50 amSAT-SJU
9h 48m1 stop
Frontier Logo
3:55 am - 2:07 pmSJU-SAT
12h 12m1 stop
$215Frontier
Find Deal
dom., feb. 22 - dom., mar. 1
United Airlines Logo
7:00 am - 11:57 pmSAT-BQN
14h 57m2 stops
United Airlines Logo
1:09 am - 10:47 amBQN-SAT
11h 38m2 stops
$335United Airlines
Find Deal
dom., ene. 25 - mié., ene. 28
United Airlines Logo
9:50 am - 11:57 pmSAT-BQN
12h 07m2 stops
United Airlines Logo
1:09 am - 3:31 pmBQN-SAT
16h 22m2 stops
$527United Airlines
Find Deal
jue., ene. 8 - mar., ene. 13

Spirit Airlines flights from San Antonio to Puerto Rico

Our best Spirit Airlines deals on San Antonio to Puerto Rico flight tickets
Spirit Airlines
Dec 8
SAT1:55 pmSan Antonio
8h 50m
1 stop
SJU12:45 amSan Juan Luis Munoz Marin Intl
Dec 12
SJU6:14 pmSan Juan Luis Munoz Marin Intl
7h 12m
1 stop
SAT11:26 pmSan Antonio
$187
Find similar
Spirit Airlines
Dec 8
SAT1:55 pmSan Antonio
8h 50m
1 stop
SJU12:45 amSan Juan Luis Munoz Marin Intl
Dec 12
SJU6:15 amSan Juan Luis Munoz Marin Intl
5h 07m
SAT9:22 amSan Antonio
$188
Find similar
Spirit Airlines
Dec 8
SAT10:27 amSan Antonio
4h 42m
SJU5:09 pmSan Juan Luis Munoz Marin Intl
Dec 12
SJU6:15 amSan Juan Luis Munoz Marin Intl
5h 07m
SAT9:22 amSan Antonio
$190
Find similar

Frontier flights from San Antonio to Puerto Rico

Our best Frontier deals on San Antonio to Puerto Rico flight tickets
Frontier
Feb 21
SAT3:02 pmSan Antonio
9h 48m
1 stop
SJU2:50 amSan Juan Luis Munoz Marin Intl
Feb 27
SJU3:55 amSan Juan Luis Munoz Marin Intl
12h 12m
1 stop
SAT2:07 pmSan Antonio
$201
Find similar
Frontier
Feb 22
SAT3:02 pmSan Antonio
9h 48m
1 stop
SJU2:50 amSan Juan Luis Munoz Marin Intl
Mar 1
SJU3:55 amSan Juan Luis Munoz Marin Intl
12h 12m
1 stop
SAT2:07 pmSan Antonio
$215
Find similar
Frontier
Feb 21
SAT3:02 pmSan Antonio
9h 48m
1 stop
SJU2:50 amSan Juan Luis Munoz Marin Intl
Feb 28
SJU7:00 amSan Juan Luis Munoz Marin Intl
9h 07m
1 stop
SAT2:07 pmSan Antonio
$231
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to Puerto Rico that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated noviembre 25, 2025.
Use the filters below to find and compare flights from San Antonio to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

lun. 12/8

1:55 pm-12:45 am

1 stop8h 50m

San Juan Luis Munoz Marin Intl

vie. 12/12

6:14 pm-11:26 pm

1 stop7h 12m

$187

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

lun. 12/8

1:55 pm-12:45 am

1 stop8h 50m

San Juan Luis Munoz Marin Intl

vie. 12/12

6:15 am-9:22 am

Nonstop5h 07m

$188

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

lun. 12/8

10:27 am-5:09 pm

Nonstop4h 42m

San Juan Luis Munoz Marin Intl

vie. 12/12

6:15 am-9:22 am

Nonstop5h 07m

$190

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

vie. 12/12

10:27 am-5:09 pm

Nonstop4h 42m

San Juan Luis Munoz Marin Intl

lun. 12/15

6:15 am-9:22 am

Nonstop5h 07m

$191

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

sáb. 2/21

3:02 pm-2:50 am

1 stop9h 48m

San Juan Luis Munoz Marin Intl

vie. 2/27

3:55 am-2:07 pm

1 stop12h 12m

$201

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

lun. 12/15

10:27 am-5:09 pm

Nonstop4h 42m

San Juan Luis Munoz Marin Intl

lun. 12/22

7:25 am-5:01 pm

1 stop11h 36m

$208

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

jue. 12/11

9:10 am-2:50 am

1 stop15h 40m

San Juan Luis Munoz Marin Intl

lun. 12/15

6:15 am-9:22 am

Nonstop5h 07m

$210

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

dom. 2/22

3:02 pm-2:50 am

1 stop9h 48m

San Juan Luis Munoz Marin Intl

dom. 3/1

3:55 am-2:07 pm

1 stop12h 12m

$215

San AntonioAguadilla

SAT - BQN

SATBQN

San Antonio

dom. 1/25

7:00 am-11:57 pm

2 stops14h 57m

Aguadilla Borinquen

mié. 1/28

1:09 am-10:47 am

2 stops11h 38m

$335

San AntonioAguadilla

SAT - BQN

SATBQN

San Antonio

jue. 1/8

9:50 am-11:57 pm

2 stops12h 07m

Aguadilla Borinquen

mar. 1/13

1:09 am-3:31 pm

2 stops16h 22m

$527

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Puerto Rico from

How to get the cheapest flight ticket from San Antonio to Puerto Rico

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 cheapest month to fly to Puerto Rico?

If you don’t want to visit Puerto Rico in October, then you should wait until September to fly from San Antonio, when ticket prices are also cheap, with an average price of $317.

What is the cheapest day to depart on your flight to Puerto Rico?

On average, the least expensive day to fly to Puerto Rico from San Antonio is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $236. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Puerto Rico is Saturday, with ticket prices averaging around $382.

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

Our most recent data shows that the best time of day to fly to Puerto Rico is at noon. Flights from San Antonio to Puerto Rico during this time can be as low as $212. In contrast, the most expensive time of day to depart to Puerto Rico is in the evening when prices are around $438.

What is the cheapest San Antonio to Puerto Rico flight route?

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

How far in advance should I book a flight to Puerto Rico?

You are more likely to see cheaper flights to Puerto Rico from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Puerto Rico for around $394 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Puerto Rico from San Antonio for as low as $332 on momondo.

What cabin class options are available on San Antonio to Puerto Rico flights?

There are 2 cabin classes available to choose from on San Antonio to Puerto Rico flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap San Antonio to Puerto Rico flight deals and tips

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

Best Price Found

$92

Fastest flight time

4h 41m

Direct flights

Tue, Thu and Sat

Airports in Puerto Rico

1 airport
The best one-way flight to Puerto Rico from San Antonio in the past 72 hours is $92. The best round-trip flight deal from San Antonio to Puerto Rico found on momondo in the last 72 hours is $215.
The fastest flight from San Antonio to Puerto Rico takes 4h 41m
Direct flights go from San Antonio to Puerto Rico on Tuesday, Thursday and Saturday. The only airline offering direct flights is Spirit Airlines.
There is 1 airport near Puerto Rico: San Juan Luis Munoz Marin Intl (SJU)
Search flight deals

  • When did momondo last update prices for flights from San Antonio Airport to Puerto Rico?

    Prices for flights from San Antonio Airport to Puerto Rico refresh daily.

  • How many operators does momondo search for flights from San Antonio Airport to Puerto Rico?

  • How old do you have to be to fly from San Antonio Airport to Puerto Rico?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Antonio Airport to Puerto Rico.

  • What documentation or ID do you need to fly to Puerto Rico?

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

  • What is the most popular plane model from San Antonio to Puerto Rico?

Best airlines flying from San Antonio to Puerto Rico

Compare and see reviews for airlines that fly from San Antonio to Puerto Rico with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $133Free CancellationRating
5.8
3,097 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $162Free CancellationRating
6.3
8,157 reviews
Search Spirit Airlines flights
DeltaPriceFrom $225Free CancellationRating
7.9
7,998 reviews
Search Delta flights
United AirlinesPriceFrom $245Free CancellationRating
7.4
9,044 reviews
Search United Airlines flights
SouthwestPriceFrom $266Free CancellationRating
8.0
4,252 reviews
Search Southwest flights
American AirlinesPriceFrom $305Free CancellationRating
7.2
11,042 reviews
Search American Airlines flights

Why use momondo?

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

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 Puerto Rico for you.

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

momondo does allow users to show only those flights to Puerto Rico from San Antonio which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between San Antonio and Puerto Rico by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Puerto Rico from San Antonio are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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1 adult
jue. 12/25
jue. 1/1
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