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72-hour sale: Southwest fares fall below $100 round-trip

  • Southwest's big twice-a-year fare sale is back, with round-trip fares below $100.
  • The sale fares also include 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.

Southwest's big twice-a-year fare sale is back, with round-trip fares below $100 on dozens of the carrier's shortest routes.

The sale fares also include 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.

The sale launched Tuesday morning and is good for travel from Aug. 22 through Dec. 13. Flights on Fridays and Sundays are excluded from the sale as are certain dates around the Labor Day and Thanksgiving holidays. Schedules for Southwest's Florida and Nevada flights have additional day-of-week restrictions.

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The sale fares apply specifically to nonstop options, though many connecting itineraries may also show lower-than-usual fares. Seats sold at the sale prices are capacity controlled, meaning the cheapest seats will likely sell out on individual flights. Southwest's flights from Albany, N.Y., and Manchester, N.H., are excluded from the sale altogether.

Many of Southwest's international routes are also included in the sale, though those routes come with more day-of-travel restrictions. Fares on those routes range from $59 to about $250 each way, but are good only for flights on Tuesdays and Wednesdays during the sale period.

Regardless of the details, bargain seekers will have to act quickly to snag the fares. The sale ends on Thursday (June 8) at 11:59 p.m. local time in city of the departing flight. (Full sale details)

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