Austin (AUS) to San Juan (SJU) flights
One airline flies nonstop from Austin (AUS) to San Juan (SJU): Southwest Airlines. The two airports are 2,144 miles (3,450 km) apart. There are also 31 ways to fly it with one stop, through Houston, Houston and Miami and more.
Airlines flying nonstop from AUS to SJU
- Southwest AirlinesNot in an allianceWho books it
AUS to SJU with one stop
31 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Houston (HOU)Southwest Airlines the whole way
- Via Houston (IAH)United Airlines the whole way
- Via Miami (MIA)American Airlines the whole way
- Via Fort Lauderdale (FLL)JetBlue Airways and Southwest Airlines the whole way
- Via Tampa (TPA)Southwest Airlines the whole way
- Via Orlando (MCO)Frontier Airlines and Southwest Airlines the whole way
- Via Jacksonville (JAX)Southwest Airlines and Delta Air Lines, then Frontier Airlines and JetBlue Airways
- Via Dallas (DFW)American Airlines the whole way
- Via Atlanta (ATL)Delta Air Lines and Frontier Airlines the whole way
- Via Charlotte (CLT)American Airlines the whole way
- Via Nashville (BNA)Southwest Airlines the whole way
- Via Raleigh/Durham (RDU)Delta Air Lines the whole way
- Via Saint Louis (STL)Southwest Airlines the whole way
- Via Indianapolis (IND)Southwest Airlines the whole way
- Via Columbus (CMH)Southwest Airlines the whole way
AUS to SJU: common questions
Which airlines fly nonstop from AUS to SJU?
Southwest Airlines flies nonstop from Austin (AUS) to San Juan (SJU).
How far is Austin from San Juan by plane?
Austin (AUS) and San Juan (SJU) are 2,144 miles (3,450 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does AUS to SJU cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for AUS to SJU with taxes and fees.
Where can I connect between Austin and San Juan?
The most direct connections are through Houston (HOU), Houston (IAH), Miami (MIA), Fort Lauderdale (FLL) and Tampa (TPA). On 29 of them the same airline flies both flights, for example Southwest Airlines through Houston.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.