Frontier Airlines is having a Popping Hot Fares Sale! One way airfare is as low as $39!
A few important things to note, the tickets must be purchase by 11:59pm EST today January 23rd for domestic, nonstop travel on: Mondays, Tuesdays, Wednesday, Thursdays, Saturdays, select market and direction, January 31, 2015 through March 5. 2015.
Keep in mind that Frontier does not fly to every city and only 36 cities are participating in select flight routes. But, where you want to go might be listed, so you should definitely check!
(Thanks Passion For Savings)