According to this announcement:
"From December 21st thru December 27th, travelers passing through or delayed in over 50 airports across the country will be able to access third-party hotspots using Skype WiFi and connect with loved ones via a Skype video or voice call for free."
To take advantage of this offer, you need to have the most recent version of the Skype client installed on your PC or Mac. After you sign into your Skype account, just check your wireless connection to verify you are in a supported location.
Grab your copy of Skype for Windows here, for Mac here and for Linux here.
Skype will brighten the holidays for travelers in major airports in New York, Chicago, Miami, Denver, Burbank and San Francisico, among many others.
Skype Wifi customers can also take advantage of this special holiday gift. Skype Wifi is a service which offers paid access to over a million wifi hotspots worldwide.
After your trip, you can share your free holiday wifi experience at #freeskypewifi on Twitter.