Frontier Airlines Boo Sale Today Only 10/31

Boo! A surprise one-day sale Buy 10/31 and Fly by 12/15/11

 Frontier promises to be more treat than trick! Flights must be booked by midnight tonight, but you have until December 15 to use it. Flights start at $7.50 one-way or $15 round-trip (although round-trip travel is not required). Go to  Frontier Airlines site  and check out all the rules that apply.