The latest sale from Southwest features domestic fares for winter/spring travel.
Fares are valid for nonstop travel on Mondays through Thursdays, as well as Saturdays, from December 19 through May 23. Fares to/from San Juan, Puerto Rico are valid from January 16 through March 1, and again from April 3 through May 17.
Avoid black out dates from December 22-23, December 26-27, and December 30.
Tickets must be booked by 11:59pm, November 30.
Please note, these fares are only available on Southwest.com. Other carriers regularly match these sale fares, so be sure to compare to find the best deal.