by Patrick Clarke Last updated: 9:30 AM ET, Mon September 29, 2025
Southwest Airlines' Week of WOW sale is back with flights from as low as $39 one-way.
Trelers he until Thursday, October 2, at midnight PT to book the discounted seats, which require a 21-day advance purchase.
Trel within the continental U.S., international trel, trel between the continental U.S. and Hawaii and trel to and from San Juan, Puerto Rico, is valid between October 21, 2025, and March 4, 2026. Remember, Southwest's shift to assigned seating takes effect on January 27, 2026.
Meanwhile, inter-island Hawaii trel is only valid between October 21 and November 18, 2025.
Blackout dates do apply, however, with discounts unailable during peak trel periods, including holidays such as Thanksgiving, Christmas, New Year's and Presidents' Day.
Flying midweek to, from or between Southwest's operating bases in cities like Atlanta, Baltimore, Chicago (Midway), Dallas (Love Field), Denver, Houston (Hobby), Las Vegas, Los Angeles, Nashville, Oakland, Orlando and Phoenix will present trelers with the best chance to se during this week's sale.
For example, customers can book a nonstop flight from Atlanta to Nashville for under $40 one-way, or fly from Houston to Los Angeles for less than $200 roundtrip.
Shoulder season adventure seekers can even book a nonstop flight from Baltimore to Cancun, Mexico for under $200 one-way during this week's sale, which also includes discounts on vacation packages, rental cars, cruises and hotels, in addition to bonus Rapid Rewards points when trelers book by October 6, 2025.
Contact your trel advisor or visit Southwest.com to book the Week of WOW sale.
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