Wi-Fi service is provided throughout all indoor public areas of Miami International Airport.
Internet access is provided free with commercial advertisements.
There are also other services available:
$4.95 - standard uninterrupted service
$7.95 - premium uninterrupted service
Accessing the Airport Wi-Fi Network
Connect to the “MIA-WiFi” network on your device. Launch your web browser and you will see the Wireless Internet Access welcome page.