Southwest Airlines One Way Tickets From $39

Southwest Airlines is having a $39 sale

Book by June 19th, 2025

21-day advance purchase required


Link to Southwest Sale








Fineprint
*21-day advance purchase required. Book by 6/19 11:59 p.m. Pacific Time. Cont. U.S. travel valid 8/5-12/17/25. Cont. U.S. travel to/from Hawaii, intl., and San Juan, PR valid 8/17-12/10/25. Interisland HI travel valid 7/8-10/1/25. Cont. U.S. blacked out 9/1, 10/13, 11/24-11/26, and 12/1. Cont. U.S. travel to Hawaii, intl., and San Juan, PR blacked out 8/28-9/2 and 11/20-11/24. Cont. U.S. travel to Hawaii, intl., and San Juan, PR blacked out 8/28-9/2 and 11/28-12/2. Interisland HI blacked out 9/2. Nonrefundable. Seats, travel days, and markets limited. Fares valid on nonstop service where indicated; if not indicated, fares are valid on single connecting service. Points bookings do not include government fees from $5.60 per one-way flight. Additional fees may apply.