Cheap Flights from San Antonio, TX to San Juan from $70

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On Cheapflightsplus.com you will find 3 direct and 224 connecting flights from San Antonio to San Juan. You can compare airfare deals from 7 airlines and multiple travel sites from $70, book and save on cheap plane tickets and last minute offers. Also check out SAT-SJU flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip San Antonio to San Juan Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $70 (one-way), $120 (round-trip).
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Best Flights from San Antonio to San Juan Today

Take a look at the list of non stop flights and flights with layovers from San Antonio to San Juan with the lowest price of $70. The fastest direct flight takes 4h 39m and the fastest connecting – 7h 12m.
Price Departure Arrival Flight Duration Airline Flight
from $70
Find flight
16:30
San Antonio
San Antonio
 22:10
San Juan
Luis Munoz Marin Intl
 4h 40m Spirit Airlines
NK1624
from $118
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14:26
San Antonio
San Antonio
 20:05
San Juan
Luis Munoz Marin Intl
 4h 39m Spirit Airlines
NK2527
from $120
Find flight
08:00
San Antonio
San Antonio
 14:00
San Juan
Luis Munoz Marin Intl
 5h 0m Spirit Airlines
NK448
from $97
Find flight
20:48
San Antonio
San Antonio
 14:45+1 день
San Juan
Luis Munoz Marin Intl
 16h 57m
layover
11h 1m - Atlanta
 Spirit Airlines
NK1357
NK1389
from $103
Find flight
07:05
San Antonio
San Antonio
 19:19
San Juan
Luis Munoz Marin Intl
 11h 14m
layover
5h 50m - Miami
 Spirit Airlines
NK2228
NK2221
from $107
Find flight
10:16
San Antonio
San Antonio
 00:28+1 день
San Juan
Luis Munoz Marin Intl
 13h 12m
layover
7h 16m - Orlando
 Frontier Airlines
F91654
F91746
from $125
Find flight
12:32
San Antonio
San Antonio
 11:57+1 день
San Juan
Luis Munoz Marin Intl
 22h 25m
layover
16h 32m - Atlanta
 Spirit Airlines
NK2172
NK2404
from $139
Find flight
08:33
San Antonio
San Antonio
 01:35+1 день
San Juan
Luis Munoz Marin Intl
 16h 2m
layover
10h 26m - Orlando
 Spirit Airlines
NK1359
NK1514
from $143
Find flight
05:20
San Antonio
San Antonio
 01:11+1 день
San Juan
Luis Munoz Marin Intl
 18h 51m
layover
13h 11m - Orlando
 Spirit Airlines
NK447
NK3166
from $143
Find flight
05:20
San Antonio
San Antonio
 09:56+1 день
San Juan
Luis Munoz Marin Intl
 27h 36m
layover
21h 54m - Orlando
 Spirit Airlines
NK447
NK3159
from $120
Find flight
12:09
San Antonio
San Antonio
 01:11+1 день
San Juan
Luis Munoz Marin Intl
 12h 2m
layover
3h 56m - Atlanta
1h 17m - Orlando
 Spirit Airlines
NK1197
NK3135
NK3166
from $120
Find flight
12:09
San Antonio
San Antonio
 09:56+1 день
San Juan
Luis Munoz Marin Intl
 20h 47m
layover
3h 56m - Atlanta
10h 0m - Orlando
 Spirit Airlines
NK1197
NK3135
NK3159
from $120
Find flight
12:09
San Antonio
San Antonio
 16:46+1 день
San Juan
Luis Munoz Marin Intl
 27h 37m
layover
6h 49m - Atlanta
11h 56m - Detroit
 Spirit Airlines
NK1197
NK1210
NK3898
from $144
Find flight
12:09
San Antonio
San Antonio
 12:47+1 день
San Juan
Luis Munoz Marin Intl
 23h 38m
layover
7h 1m - Atlanta
7h 8m - Dallas
 Spirit Airlines
NK1197
NK920
NK3707
from $144
Find flight
12:09
San Antonio
San Antonio
 15:41+1 день
San Juan
Luis Munoz Marin Intl
 26h 32m
layover
13h 51m - Atlanta
5h 45m - Miami
 Spirit Airlines
NK1197
NK3176
NK1037
from $144
Find flight
12:09
San Antonio
San Antonio
 15:51+1 день
San Juan
Luis Munoz Marin Intl
 26h 42m
layover
5h 45m - Atlanta
11h 32m - Chicago
 Spirit Airlines
NK1197
NK1200
NK1530
Show all tickets
*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on June 04, 2025
Full flight schedule will help you in detecting at what time planes fly from San Antonio to San Juan. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
08:00 — 14:00
08:00 — 14:00 NK448 Spirit Airlines
San Antonio — San Juan
5h
Find flight
from$120
14:26 — 20:05
14:26 — 20:05 NK2527 Spirit Airlines
San Antonio — San Juan
4h 39m
Find flight
from$118
16:30 — 22:10
16:30 — 22:10 NK1624 Spirit Airlines
San Antonio — San Juan
4h 40m
Find flight
from$70
05:20 — 01:11
+1 day
05:20 — 09:06 NK447 Spirit Airlines
San Antonio — Orlando
13h 11m stop
22:17 — 01:11 NK3166 Spirit Airlines
Orlando — San Juan
18h 51m
including layover
Find flight
from$143
05:20 — 09:56
+1 day
05:20 — 09:06 NK447 Spirit Airlines
San Antonio — Orlando
21h 54m stop
07:00 — 09:56 NK3159 Spirit Airlines
Orlando — San Juan
27h 36m
including layover
Find flight
from$143
07:05 — 19:19
07:05 — 10:55 NK2228 Spirit Airlines
San Antonio — Miami
5h 50m stop
16:45 — 19:19 NK2221 Spirit Airlines
Miami — San Juan
11h 14m
including layover
Find flight
from$103
08:33 — 01:35
+1 day
08:33 — 12:17 NK1359 Spirit Airlines
San Antonio — Orlando
10h 26m stop
22:43 — 01:35 NK1514 Spirit Airlines
Orlando — San Juan
16h 2m
including layover
Find flight
from$139
10:16 — 00:28
+1 day
09:00 — 12:56 F91654 Frontier Airlines
San Antonio — Orlando
7h 16m stop
21:26 — 00:32 F91746 Frontier Airlines
Orlando — San Juan
13h 12m
including layover
Find flight
from$107
10:16 — 02:35
+1 day
10:16 — 14:22 F91654 Frontier Airlines
San Antonio — Orlando
9h 30m stop
23:40 — 02:39 F94726 Frontier Airlines
Orlando — San Juan
15h 19m
including layover
Find flight
from$107
14:11 — 01:31
+1 day
14:11 — 17:59 NK2299 Spirit Airlines
San Antonio — Orlando
4h 40m stop
22:39 — 01:31 NK2395 Spirit Airlines
Orlando — San Juan
10h 20m
including layover
Find flight
from$168
19:05 — 05:30
+1 day
19:05 — 20:11 UA2396 United Airlines
San Antonio — Houston
3h 46m stop
23:57 — 05:30 UA1497 United Airlines
Houston — San Juan
9h 25m
including layover
Find flight
from$166
19:15 — 15:16
+1 day
18:35 — 21:19 SY1836 Sun Country Airlines
San Antonio — Minneapolis
11h 1m stop
09:00 — 15:16 SY783 Sun Country Airlines
Minneapolis — San Juan
19h 1m
including layover
Find flight
from$186
20:48 — 14:45
+1 day
20:48 — 00:16 NK1357 Spirit Airlines
San Antonio — Atlanta
11h 1m stop
11:17 — 14:45 NK1389 Spirit Airlines
Atlanta — San Juan
16h 57m
including layover
Find flight
from$97
06:00 — 11:59
+1 day
06:00 — 06:44 NK1059 Spirit Airlines
San Antonio — Las Vegas
9h 44m stop
16:28 — 00:10 NK2382 Spirit Airlines
Las Vegas — Baltimore
7h 50m stop
08:00 — 11:59 NK960 Spirit Airlines
Baltimore — San Juan
28h 59m
including layover
Find flight
from$177
07:10 — 01:35
+1 day
07:10 — 11:00 NK1463 Spirit Airlines
San Antonio — Miami
7h 15m stop
18:15 — 19:25 NK1244 Spirit Airlines
Miami — Orlando
3h 18m stop
22:43 — 01:35 NK1514 Spirit Airlines
Orlando — San Juan
17h 25m
including layover
Find flight
from$157
12:09 — 01:11
+1 day
12:09 — 15:34 NK1197 Spirit Airlines
San Antonio — Atlanta
3h 56m stop
19:30 — 21:00 NK3135 Spirit Airlines
Atlanta — Orlando
1h 17m stop
22:17 — 01:11 NK3166 Spirit Airlines
Orlando — San Juan
12h 2m
including layover
Find flight
from$120
12:09 — 09:56
+1 day
12:09 — 15:34 NK1197 Spirit Airlines
San Antonio — Atlanta
3h 56m stop
19:30 — 21:00 NK3135 Spirit Airlines
Atlanta — Orlando
10h stop
07:00 — 09:56 NK3159 Spirit Airlines
Orlando — San Juan
20h 47m
including layover
Find flight
from$120
16:20 — 11:57
+1 day
16:20 — 17:20 NK2702 Spirit Airlines
San Antonio — Las Vegas
6h 12m stop
23:32 — 06:25 NK2573 Spirit Airlines
Las Vegas — Atlanta
2h 4m stop
08:29 — 11:57 NK2404 Spirit Airlines
Atlanta — San Juan
18h 37m
including layover
Find flight
from$148
18:13 — 19:19
+1 day
18:13 — 20:26 NK2039 Spirit Airlines
San Antonio — Nashville
9h 34m stop
06:00 — 09:17 NK2407 Spirit Airlines
Nashville — Miami
7h 28m stop
16:45 — 19:19 NK2221 Spirit Airlines
Miami — San Juan
24h 6m
including layover
Find flight
from$181
18:13 — 22:27
+1 day
18:13 — 20:26 NK2039 Spirit Airlines
San Antonio — Nashville
16h 36m stop
13:02 — 15:46 NK2239 Spirit Airlines
Nashville — Baltimore
2h 59m stop
18:45 — 22:27 NK2533 Spirit Airlines
Baltimore — San Juan
27h 14m
including layover
Find flight
from$181
20:48 — 15:43
+1 day
20:48 — 00:16 NK1357 Spirit Airlines
San Antonio — Atlanta
7h 4m stop
07:20 — 08:50 NK1378 Spirit Airlines
Atlanta — Dallas
1h 5m stop
09:55 — 15:43 NK1379 Spirit Airlines
Dallas — San Juan
17h 55m
including layover
Find flight
from$137
*Departure and arrival times - local. Updated on June 4, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from San Antonio to San Juan depends on and how to choose the most interesting flight option for you.

Distance between San Antonio and San Juan is 3507 miles. Time difference between the cities is 2h. Airplanes depart 05:15 to 22:57 from 5 San Antonio airports and arrive 05:15 to 22:57 to 2 San Juan airports. Average flight time is 4h 40m.

  • The fastest flight 4h 39m
  • Average flight time 4h 40m
  • The earliest flight 05:15
  • The latest flight 22:57
  • Distance 2180 ml

The cheapest months to travel to San Juan are july (from 94 $), august (from 132 $), october (from 191 $).

The most expensive months are november (from 702 $), december (from 389 $), september (from 191 $).

What is the lowest airfare San Antonio to San Juan?

The cheapest plane ticket found by our users is $70. This airfare is for economy class on one-way NK1624 flight by Spirit Airlines for July 14, 2025 which leaves San Antonio in San Antonio at 16:30 am and arrives at San Juan Luis Munoz Marin Intl at 22:10.

Economy class
$70
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Business class
?
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First class
?
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Popular Airlines on the Route

The flight San Antonio — San Juan is served by 7 regular airlines and 5 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 3 departures per week at the price of from $ 529 . And the most expensive tickets are offered by United Airlines airline - from $ 757.

Direct flights

There are 3 nonstop flights on the route. The fastest direct flight is NK2527 by Spirit Airlines takes 4h 39m and the cheapest is NK1624 by Spirit Airlines for $70.

  • NK - Spirit Airlines
    from $70
    Find
See more direct flights

Connecting Flights

There are 224 flights with layovers on the route. The fastest connecting flight is UA1486 by United Airlines takes 7h 12m and the cheapest is NK1624 by Spirit Airlines for $97.

  • AS - Alaska Airlines
    from $529
    Find
  • F9 - Frontier Airlines
    from $107
    Find
  • SY - Sun Country Airlines
    from $186
    Find
  • Y4 - Volaris
    from $302
    Find
  • UA - United Airlines
    from $147
    Find
  • VB - VivaAerobus
    from $322
    Find
  • NK - Spirit Airlines
    from $97
    Find
See more connecting flights

Airports

You can fly from San Antonio to San Juan from 5 airports (Randolph AFB, Martindale AAF, San Antonio, Kelly AFB, Stinson Municipal).

San Antonio airports

  • Randolph AFB-RND
    Find
  • Martindale AAF-MDA
    Find
  • San Antonio-SAT
    from $70
    Find
  • Kelly AFB-SKF
    Find
  • Stinson Municipal-SSF
    Find

San Juan airports

  • Isla Grande-SIG
    Find
  • Luis Munoz Marin Intl-SJU
    Find

Airplanes

There are flights to San Juan from San Antonio by 7 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from San Antonio

You may also consider searching for discounted plane tickets to some other popular places from San Antonio within United States.

Top International Destinations from San Antonio

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

How to book a plane ticket yourself?

How to book an air ticket yourself?
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  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
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  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

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