72-hour sale Southwest fares fall below $100 round-trip.
Deal hunters, get ready. Southwest’s broad twice-a-year blockbuster fare sale is back, dropping round-trip fares below $100 on dozens of the carrier’s shortest routes.
The sale also includes longer routes, with the price of flights loosely tied to distance. Flights begin at $49 each way on Southwest’s shortest routes and increase to $79, $99 or $129 each way for longer flights.