In my opinion, WiFi at airports should have been FREE. Why? Think of the airport taxes we pay when booking a ticket. Sometimes taxes are higher than the actual route ticket. Anil Polat is a travel blogger who has created and is constantly updating an interactive map that shows the Wi-Fi passwords of dozens of airports around the world. The app is called WiFox and is available on App Store, Google Play, and Amazon. Below I'm embedding his map showing all the available codes he has pinned up to now. Click on an airport on the map to see the password and the Wi-Fi's location. If you have a code which is not listed there just let him know so he can add it (I just send him 3 airport wifi codes).