Spirit Airlines started promotion for flights from/to several US cities. Tickets from 23 USD/20 EUR one way.
You have to be a member of Fare Club Members (9 USD) to grab the lowest prices. Book by: 11:59PM on February 3, 2015.
Select dates in February and March 2015.
Miami, New York, Chicago, Dallas, Detroit, Houston, Tampa, Kansas City, San Francisco/Oakland, Cleveland, Las Vegas and many more.
How to book: