Frontier is having another sale! This time, it's a mini-sale to a fewer number of cities than before, but still -- you can't beat a $15 or $19 fare. 

You can fly with Frontier for $15 if you are a part of its Discount Den membership club -- or for just $19 to or from the below cities.

$19 fares: 

  • Miami - Atlanta
  • San Francisco - Las Vegas
  • Washington Dulles - Atlanta

 

$15 Discount Den fares:

  • Miami - Atlanta
  • San Francisco - Las Vegas
  • Washington Dulles - Atlanta

But, there's at catch -- you have to book by today -- February 22 -- and you must book the flight three days in advance. This is for travel between 2/20/16 and 3/2/16. 

Check out some of the other deals too - including Orlando to Los Angeles for $79 or New York to Miami for just $69!

Get these fares here.

Read more: The #1 rule of cheap travel