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.

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