Southwest Airlines Winter Flight Sale: Select One-Way Flights from $59 (Travel Dec 1 - Mar 3)
at Southwest Airlines
Book Southwest one-way winter flights from $59–$129 by Nov 12; travel Dec 1–Mar 3, 2027.
Southwest Airlines is offering winter one-way fares starting at $59 for continental U.S. and interisland Hawaii travel. Fares range from $59 to $129 depending on route and date. Book by November 12, 2026 for travel between December 1, 2026 and March 3, 2027. A 21-day advance purchase is required. Holiday travel is included, though some blackout dates apply: December 26 and January 2 are blacked out for continental U.S. and interisland Hawaii travel. Continental U.S. travel to/from Hawaii, St. Thomas, and San Juan, PR is blacked out December 17, 2026 through January 5, 2027. Fares are nonrefundable, seats and markets are limited, and availability varies by route. Some fares are valid on nonstop service; others allow a single connection.
FAQ
When must I book these fares?
Book by November 12, 2026 at 11:59 p.m. Pacific Time.
When can I travel?
Travel is valid from December 1, 2026 through March 3, 2027.
Are there blackout dates?
Yes. December 26, 2026 and January 2, 2027 are blacked out for continental U.S. and interisland Hawaii travel. Continental U.S. travel to/from Hawaii, St. Thomas, and San Juan, PR is also blacked out from December 17, 2026 through January 5, 2027.
What is the advance purchase requirement?
A 21-day advance purchase is required to qualify for these fares.
