Popsugar Living Air Travel Airport Hacks 22 Airport Hacks to Remember Before Your Next Flight 26 January 2018 by Marina Liao View On One Page Photo 16 of 22 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 16 Always Check For Free WiFi Many airports offer unlimited for free, while others allow you to sign in for certain increments of time. Previous Next Start Slideshow Air TravelTravel TipsLife HacksOn The RoadTravel