Southwest Airlines is offering 30% off many flights this summer and fall, but the deal isn't available on every ticket.

Southwest has come under fire recently after it announced the end of its long-standing practice of open seating, with assigned seating coming in 2026. In March, the company announced it was creating a new Basic fare and charging baggage fees, starting May 28, a shift from the current practice of allowing two free checked bags.

Southwest Airlines unveiled new fare bundles this week, giving fliers a first look at how different fares will determine seat selection, checked bag charges, refunds and more. The new bundles are a shift from the usual tickets that range from the cheapest Wanna Get Away fares to the more luxurious Business Select fares.