The Cheapest Routes to Book During Southwest’s Spring Sale

Winter Savings on Spring Travel

Southwest Airlines has put its spring flight schedule on sale this winter. Now through Thursday, January 14, customers can save big on travel between January 29 and May 26, 2021, with flights available for as low as $39 one-way or $78 roundtrip on a handful of popular routes. Here’s a look at the cheapest routes travelers can book right now during Southwest’s latest sale.