Cheap Flights from San Antonio, TX to San Juan from $201

On Cheapflightsplus.com you will find 45 connecting flights from San Antonio to San Juan. You can compare airfare deals from 3 airlines and multiple travel sites from $201, 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: $201 (one-way), $345 (round-trip).
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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
05:30 — 15:42
05:30 — 06:36 UA469 United Airlines
San Antonio — Houston
3h 28m stop
10:04 — 15:42 UA1192 United Airlines
Houston — San Juan
9h 12m
including layover
Find flight
from$388
05:30 — 20:38
05:15 — 06:21 UA469 United Airlines
San Antonio — Houston
8h 26m stop
15:04 — 21:26 UA701 United Airlines
Houston — San Juan
14h 8m
including layover
Find flight
from$464
06:45 — 23:54
+1 day
06:45 — 09:44 UA2629 United Airlines
San Antonio — Chicago
8h 19m stop
18:03 — 23:54 UA695 United Airlines
Chicago — San Juan
16h 9m
including layover
Find flight
from$366
06:45 — 14:44
+1 day
06:45 — 09:44 UA2629 United Airlines
San Antonio — Chicago
23h 5m stop
08:49 — 14:44 UA1996 United Airlines
Chicago — San Juan
30h 59m
including layover
Find flight
from$500
07:00 — 12:34
+1 day
07:00 — 11:24 UA2704 United Airlines
San Antonio — Washington D.C.
21h 16m stop
08:40 — 12:34 UA2021 United Airlines
Washington D.C. — San Juan
28h 34m
including layover
Find flight
from$395
09:56 — 20:38
09:56 — 11:02 UA1798 United Airlines
San Antonio — Houston
4h stop
15:02 — 20:38 UA701 United Airlines
Houston — San Juan
9h 42m
including layover
Find flight
from$462
11:58 — 12:34
+1 day
11:58 — 16:22 UA2250 United Airlines
San Antonio — Washington D.C.
16h 18m stop
08:40 — 12:34 UA2021 United Airlines
Washington D.C. — San Juan
23h 36m
including layover
Find flight
from$500
12:55 — 23:54
+1 day
12:55 — 15:53 UA1905 United Airlines
San Antonio — Chicago
2h 10m stop
18:03 — 23:54 UA695 United Airlines
Chicago — San Juan
9h 59m
including layover
Find flight
from$201
12:55 — 14:44
+1 day
12:55 — 15:53 UA1905 United Airlines
San Antonio — Chicago
16h 56m stop
08:49 — 14:44 UA1996 United Airlines
Chicago — San Juan
24h 49m
including layover
Find flight
from$500
16:17 — 20:38
+1 day
16:17 — 17:25 UA6153 United Airlines
San Antonio — Houston
21h 37m stop
15:02 — 20:38 UA701 United Airlines
Houston — San Juan
27h 21m
including layover
Find flight
from$526
16:17 — 15:42
+1 day
16:17 — 17:25 UA6153 United Airlines
San Antonio — Houston
16h 39m stop
10:04 — 15:42 UA1192 United Airlines
Houston — San Juan
22h 25m
including layover
Find flight
from$530
17:56 — 05:30
+1 day
17:56 — 19:02 UA2170 United Airlines
San Antonio — Houston
4h 55m stop
23:57 — 05:30 UA1497 United Airlines
Houston — San Juan
10h 34m
including layover
Find flight
from$343
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$229
07:45 — 11:32
+1 day
07:45 — 11:29 NK1359 Spirit Airlines
San Antonio — Orlando
9h 47m stop
21:16 — 00:12 NK1352 Spirit Airlines
Orlando — Detroit
6h 48m stop
07:00 — 11:32 NK1543 Spirit Airlines
Detroit — San Juan
26h 47m
including layover
Find flight
from$430
14:11 — 11:32
+1 day
14:11 — 15:31 NK1274 Spirit Airlines
San Antonio — Los Angeles
6h 39m stop
22:10 — 05:30 NK1552 Spirit Airlines
Los Angeles — Detroit
1h 30m stop
07:00 — 11:32 NK1543 Spirit Airlines
Detroit — San Juan
20h 21m
including layover
Find flight
from$464
14:11 — 10:29
+1 day
14:11 — 15:31 NK1274 Spirit Airlines
San Antonio — Los Angeles
6h 10m stop
21:41 — 05:33 NK1835 Spirit Airlines
Los Angeles — Baltimore
1h 15m stop
10:00 — 13:40 NK1622 Spirit Airlines
Baltimore — San Juan
19h 18m
including layover
Find flight
from$489
17:56 — 11:57
+1 day
17:56 — 19:02 UA2170 United Airlines
San Antonio — Houston
1h 22m stop
20:24 — 01:00 UA1444 United Airlines
Houston — Newark
6h 55m stop
07:55 — 11:57 UA2143 United Airlines
Newark — San Juan
17h 1m
including layover
Find flight
from$368
19:52 — 01:35
+2 days
19:52 — 20:52 NK1587 Spirit Airlines
San Antonio — Las Vegas
4h stop
00:52 — 08:21 NK1372 Spirit Airlines
Las Vegas — Orlando
14h 22m stop
22:43 — 01:35 NK1514 Spirit Airlines
Orlando — San Juan
28h 43m
including layover
Find flight
from$369
*Departure and arrival times - local. Updated on July 30, 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 05:30 to 19:52 from 5 San Antonio airports and arrive 05:30 to 19:52 to 2 San Juan airports. Average flight time is 22h.

  • The fastest flight 7h 12m
  • Average flight time 22h
  • The earliest flight 05:30
  • The latest flight 19:52
  • Distance 2180 ml

The cheapest months to travel to San Juan are august (from 201 $), july (from 227 $), december (from 514 $).

The most expensive months are november (from 716 $), december (from 514 $), july (from 227 $).

What is the lowest airfare San Antonio to San Juan?

The cheapest plane ticket found by our users is $201. This airfare is for economy class on one-way UA1905 flight by United Airlines for August 16, 2025 which leaves San Antonio in San Antonio at 12:55 am and arrives at San Juan Luis Munoz Marin Intl at 23:54.

Economy class
$201
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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 3 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by United Airlines - 31 departures per week at the price of from $ 201 . And the most expensive tickets are offered by United Airlines airline - from $ 2629.

Direct flights

There’re no direct flights on this route. Try flights with stops.

Connecting Flights

There are 45 flights with layovers on the route. The fastest connecting flight is UA1486 by United Airlines takes 7h 12m and the cheapest is UA1905 by United Airlines for $201.

  • UA - United Airlines
    from $201
    Find
  • VB - VivaAerobus
    from $542
    Find
  • NK - Spirit Airlines
    from $369
    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
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  • Martindale AAF-MDA
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  • San Antonio-SAT
    from $201
    Find
  • Kelly AFB-SKF
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  • Stinson Municipal-SSF
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San Juan airports

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

How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • 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.

    To find a plane ticket, please select dates.

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