Use coupon code "SPLASH" to take up to 30% off nationwide fares on Southwest. It takes 30% off Tuesday/Wednesday flights, 25% off Monday/Thursday/Friday/Saturday travel, and 20% off flights on Sundays. This discount is applied to the base fare only; government taxes and fees still apply. Some route restrictions and blackout dates apply. Book this travel deal by February 29 for travel from March 19 through May 22. Shop Now at Southwest Airlines