If you take a look at the tips for the airport you’re currently at, it should be easy to find people sharing passwords — otherwise, press the ‘Wi-Fi’ filter to only see those tips.
Use the Airport Wi-Fi password map
The following map is a crowdsourced project showing Wi-Fi passwords for airports around the world. Sometimes the access point listed is an airline lounge, or it might be a bar — but they’ll always have free Wi-Fi.
If you happen to stumble upon an airport you’ve visited on the map and notice that its Wi-Fi password is missing, you add to the map by adding a comment to this post. There’s also a (paid) app available for iOS and Android.
Use the WiFi Map app
This is possibly the biggest collection of public Wi-Fi passwords you’ll be able to find, and best of all, it’s compiled in a free app. It’s not specially designed for airports, but you might still be able to snag access to a network with it.
What if the only option you can find is paid Wi-Fi? There are a couple of other tricks you can try, like this quick and dirty one.
Just add /?.jpg to the end of a URL, so it looks like this:
This way you’re spoofing the system into thinking that you’re loading an image (which sometimes aren’t blocked), while you’re actually not.
However, it’s a fairly old trick that might be patched on the network you’re on. If that’s the case, check out this more in-depth guide to get a hold of that internet connection you so desperately need.