Wi-Fi at Luis Munoz Marin International Airport (SJU)
San Juan, Puerto Rico TJSJ #38 US airport by passengers
What to expect from Wi-Fi at SJU and how to stay safe on public networks.
Wi-Fi at SJU
Aerostar launched free Wi-Fi across the passenger terminals in 2022. Connect to the network named SJUFreeWiFi and open a browser to reach the sign-in page.
- Aerostar's launch announcement says each session lasts up to 60 minutes, after which you register again.
- The network name may change. Check signs in the terminal.
Reviewed October 8, 2026. Confirm details on the official airport website. Spotted a change?
Staying safe on airport Wi-Fi
- Connect only to the network name published by the airport, and be wary of lookalike names.
- Skip online banking on public Wi-Fi, or use a VPN or your phone hotspot.
- Turn off automatic Wi-Fi joining so your phone does not connect to open networks by itself.
Frequently asked questions
Is airport Wi-Fi free at SJU?
Yes. Aerostar provides free Wi-Fi across the terminals, reported as SJUFreeWiFi, with sessions of up to 60 minutes.