Southwest Airlines One Way Tickets From $39

Southwest Airlines is having a $39 sale

Book by August 14th, 2025

21-day advance purchase required


Link to Southwest Sale








Fineprint
21-day advance purchase required. Purchase from August 11 at 12:01 a.m. Pacific Time (PT) through August 14, 2025 at 11:59 p.m. PT (Booking Period). Continental U.S. travel and continental U.S. travel to/from Hawaii, international, and San Juan, Puerto Rico valid September 1, 2025 through February 12, 2026. Interisland Hawaii travel valid September 1 through November 1, 2025. Continental U.S. travel blacked out November 21 through November 26, November 28 through December 1, December 19 through December 23, December 26 through December 29, 2025, and January 2 through January 4, 2026. Continental U.S. travel to Hawaii, international, and San Juan, Puerto Rico blacked out September 1, September 2, November 20 through November 24, and December 18, 2025 through January 6, 2026. Continental U.S. travel from Hawaii, international, and San Juan, Puerto Rico blacked out September 1, September 2, November 28 through December 2, and December 18, 2025 through January 6, 2026. Interisland Hawaii travel blacked out September 1 and September 2, 2025. Continental U.S. travel is valid on Mondays, Tuesdays, Wednesdays, Thursdays and Saturdays. Travel from continental U.S. to Hawaii and international is valid Sundays, Mondays, Tuesdays, and Wednesdays. Travel to continental U.S. from Hawaii and international is valid Tuesdays, Wednesdays, Thursdays, and Fridays. Interisland Hawaii travel is valid Tuesdays and Wednesdays. Travel to/from San Juan, Puerto Rico is valid Mondays, Tuesdays, Wednesdays, and Thursdays. Fares valid on nonstop service where indicated; if not indicated, fares are valid on single connecting service. Displayed prices include all U.S. and international government taxes and fees. Points bookings do not include taxes, fees, and other government/airport charges of at least $5.60 per one-way flight. Seats, days, and markets are limited. Fares may vary by destination, flight, and day of the week and won't be available on some flights that operate during very busy travel times and holiday periods. Travel is available for one-way Basic fares unless otherwise specified. Interisland Hawaii and Cuba travel is available for one-way Choice fares. Fares may be combined with other Southwest Airlines combinable fares. If combining with other fares, the most restrictive fare's rules apply. Advertised fares may be available on other days of the week, but that's not guaranteed. Basic fares are nonrefundable and non-changeable except as allowed by our 24-hour cancellation policy. Customers may be eligible for a flight credit if their flight is canceled at least 10 minutes prior to the flight's original scheduled departure time. Failure to cancel prior to departure will result in forfeiture of remaining funds on the reservation. Any change in itinerary may result in an increase in fare. Standby travel may require a fare upgrade depending on fare purchased and Rapid Rewards tier status. Fares are subject to change until ticketed.