Southwest Sale: Up to 30% Off April-May Fares
March 2, 2026·3 days ago·via AOL.com
Southwest Airlines runs a timely sale offering up to 30% off base fares for travel from April 7 to May 20, 2026, across the continental U.S. and inter-island Hawaii. Travelers enter promo code ONBOARD at booking by February 26 to unlock these discounts on select flights. The Low Fare Calendar highlights the best deals, with examples like $40 off each way from Philly to Orlando or Vegas.



