Southwest Airlines has unveiled its latest set of airfare deals with one-way tickets starting at just $42 for this fall and winter. The latest sale, which ends Thursday, August 22, at 11:59 p.m. PT, offers discounted one-way fares nationwide, according to <a href=«https://www.southwest.com/air/low-fare-calendar/?SLP=SALEPAID&departureDate=2024-09-10&returnDate=2024-09-12&RR_NUMBER=dd42af0259a09f26adebb4b65753cef10f304b58&src=» https: class=«pseudoStyle» data-component=«link» data-source=«inlineLink» data-type=«externalLink» data-ordinal=«1» rel=«nofollow»>the airline