Turks and Caicos, anyone?
The sale — which ends at midnight on July 27 — has fares as low as $49 one-way, for travel between August 22 and December 13.
Return flights from the Cayman Islands and Belize start at $135 and $145, for round-trip fares as low as $184 and $194, respectively.
Flights from Oakland to Ontario, California, start at $49; flights from Atlanta to Cancún start at $170; and flights from Los Angeles to Puerto Vallarta, Mexico, start at $145.
Southwest is also the only major carrier still offering free checked bags, so you can really save on your next getaway.
See the full list of sale fares.