How long is the flight from Austin to San Juan?

Direct flights from AUS to SJU cover approximately 3,450 km (2,144 miles), with an estimated flight time of 4h 4m. Operating airlines: WN.

Cheap flights from Austin to San Juan

Direct flight: 3,450 km, ~4h 4m from Austin (AUS) to San Juan (SJU).

Last updated May 25, 2026 · By Flightmaps Editorial

How long is the flight from Austin to San Juan?

Direct flights from AUS to SJU cover approximately 3,450 km (2,144 miles), with an estimated flight time of 4h 4m. Operating airlines: WN.

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