The seats, travel days and markets for the offers are limited and blackout dates -- like holidays -- apply, according to the Southwest website.
Regional travel -- to and from East Coast cities, for example -- are the cheapest, with one-way travel from Oakland, California, to Reno, Nevada, at $39.
Other trips include $130 one-way from Atlanta to Las Vegas or $132 one-way from Atlanta to Los Angeles; $59 one-way from Columbus, Ohio, to Washington; $69 one-way from Fort Lauderdale, Florida, to Nassau, Bahamas; and $135 one-way from Austin, Texas, to Seattle.
Travel & Leisure reported that most sale prices are on Monday through Thursday flights between August 22 and December 16.
Reservations for low-price tickets must be made by June 15 at 11:50 p.m. in the time zone in the city of departure. The tickets are non refundable.
The full list of destinations under the Southwest sale can be found at Southwest.com.
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