Southwest Winter Sale

21-day advance purchase required. Domestic travel is not valid on Friday and Sunday. Travel to Florida and Nevada and from Florida to Nevada is valid only on Sundays through Wednesdays. Travel from Florida and Nevada and from Nevada to Florida is valid only on Tuesdays through Fridays. Travel to/from San Juan, Puerto Rico is valid Monday - Thursday. International travel is valid Monday - Thursday. Travel to Cancun, Cabo San Lucas/Los Cabos and Puerto Vallarta is valid only on Sundays through Wednesdays. Travel from Cancun, Cabo San Lucas/Los Cabos and Puerto Vallarta is valid only on Tuesdays through Fridays. Travel to/from Mexico City; Liberia, Costa Rica and San Jose, Costa Rica is valid daily. Points bookings do not include taxes, fees, and other government/airport charges of at least $5.60 per one way flight. Restrictions and exclusions apply. Domestic travel blacked out January 1-2, 2017. Nonrefundable. Select markets. Seats and days limited.