Southwest Airlines
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United States
Austin-Bergstrom International Ai
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Puerto Rico
Luis Muñoz Marín International Airport
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Scan through all non-stop flights from Austin to San Juan. The full flight schedule below gives an overview of all non-stop flights from AUS to SJU, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
San Juan is a tropical destination known for its warm climate, with temperatures between 25°C and 30°C (77°F to 86°F) throughout the year. The area is characterized by high humidity and frequent rainfall.
Being located north of the equator, San Juan experiences its dry season from November to April, making this the perfect time to visit. In this period, you can expect mostly dry conditions, while the wet season will see days of rain. Humidity and temperatures are consistently high all year long.
Currently, there is only one airline operating non-stop flights from Austin AUS to San Juan SJU, which is Southwest Airlines. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.
Click an airline below to view their AUS SJU flight schedule.
Departure times vary between 08:40 - 14:00. The earliest flight departs at 08:40, the last flight departs at 14:00. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.
On this non-stop route, you can fly in Economy only.
The fastest direct flight from Austin to San Juan takes 4 hours and 45 minutes. The flight distance between Austin and San Juan is 2,142 miles (or 3,447 km).
There are 2 airports in San Juan: Luis Muñoz Marín International Airport (SJU) and Fernando Luis Ribas Dominicci Airport (SIG).
There are 0 flights per week flying from Austin to San Juan (as of March 2026).
4 hours and 45 minutes is the average flight time from Austin to San Juan.
The distance from Austin to San Juan is 2,142 miles (3,447 kilometers).
Southwest Airlines is the only airline flying nonstop from Austin to San Juan.
There are no alliances flying direct from Austin to San Juan at the moment.
You can fly non-stop in Economy only.
Aircraft types that fly from Austin to San Juan:
The earliest flight departs at 08:40 from Austin and arrives at 14:05 at San Juan.
The latest flight departs at 14:00 from Austin and arrives at 19:45 at San Juan.
2,142 miles (3,447 km) · 4h 45m
10:45
16:15
Southwest Airlines
WN 4399
Southwest Airlines
Boeing 737 MAX 8
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