Southwest Airlines' popular 3-day sale is on now! Fly cheap this summer or fall

Looking to book a late summer (or fall) vacation? Southwest Airlines is offering a three-day sale! You can "get up and go" with one-way flights as low as $49, $79, $99 and $129, according to Southwest.com.

IMPORTANT NOTE: You must book by June 9thfor:


     


       


        Here is a map of the destinations included in the deal:

        (Southwest Airlines via Google)