Save at Southwest Airlines with 11 active coupons & promos verified by our experts. Choose the best offers & deals starting from 30% to 50% off for January 2026!
Aug 4, 2025 · Southwest Airlines have a promotional code for up to 40% off base fares. Southwest Airlines [southwest.com] Promotional Code: LUVFALL Book by August 7, 2025 Travel August 25 -.
