Southwest is kicking off the year with a sale that could land you $40 one-way tickets around the US.
As is often the case with these kinds of sales, the cheapest flights are over shorter distances. For instance, you can find your way from Los Angeles to Las Vegas for $79.96 round trip. Among the cheap flights, you'll find 13 routes with one-way tickets for $49 or less.
Nonetheless, there are deals all over the country with noteworthy prices.