Southwest's Big Sale: 40% Off Base Fares, But Consider Those Bags!
TL;DR: Southwest's 40% base fare sale is attractive, but travelers should factor in baggage fees, which can significantly alter the final cost, especially for longer trips.
Last updated: September 24, 2026
Related on this site: cheap flights — New York, NY · cheapair flights — New York, NY · Flights Pros
Based on reporting by Travelers Today. This is an original Flights Pros summary — full details at the source.