Southwest Airlines Up to 40% off
- Southwest Airlines now offers a big flight sale, with select U.S. domestic flights base fares up to 40% off.
- The offer is limited to select regions and select customers.
Booking period: From now through October 22
Travel period: November 9, 2026 to March 3, 2027
Eligible flights: Select U.S. domestic flights; interisland Hawaii flights are not included
Please note: Select peak dates such as Thanksgiving, Christmas, and New Year are not eligible; the discount does not include taxes and fees.