Twice a year, Southwest Airlines holds athree-day salewhere you can get round-trip tickets for about $100, depending on where you're headed.
Well, travelers, this is one of those times.
The company launched its 72-hour sale Tuesday morning, which means you only have until Thursday, June 6 to book a ticket.
A one-way fare starts at $49. They go up to around $79, $99 or $129 for longer flights.
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