Southwest Airlines Coupons & Promo Codes

One-way fares as low as $59 from Los Angeles, CA. Seats/days/markets limited; restrictions/exceptions apply. First travel date available 1/19/2026 with 51 travel days in schedule.

One-way fares to Nassau (NAS) starting at $79 from Fort Lauderdale (FLL), $86 from Orlando (MCO), $97 from Raleigh/Durham (RDU), $99 from New Orleans (MSY), $102 from Baltimore/Washington (BWI), $111 from Nashville (BNA), $131 from Pittsburgh (PIT), $134 from Columbus (CMH), $137 from Washington D.C. (DCA), $144 from St. Louis (STL), $156 from Kansas City (MCI) and Indianapolis (IND), $162 from Dallas (DAL), Austin (AUS), San Antonio (SAT), and Denver (DEN), $184 from Atlanta (ATL), $194 from Chicago (MDW), $207 from Tampa (TPA), and $219 from Houston (HOU). Fares displayed were collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Fares listed are Basic, subject to additional terms and conditions.

Low fare from Fort Lauderdale (FLL) to San Jose, Costa Rica (SJO) starting at $103 one-way basic. Departure date: 03/04/2026. Book now for this limited-time offer.

Low fare from Washington, D.C. (Reagan National) (DCA) to San Jose, Costa Rica (SJO) starting at $117 one-way basic. Departure date: 04/16/2026. Book now for this limited-time offer.

Low fare from Denver (DEN) to Belize City (BZE) starting at $123 one-way basic. Departure date: 04/25/2026. Book now for this limited-time offer.

Low fare from Austin (AUS) to San Jose, Costa Rica (SJO) starting at $128 one-way basic. Departure date: 03/24/2026. Book now for this limited-time offer.

Low fare from Orlando (MCO) to Liberia, Costa Rica (LIR) starting at $128 one-way basic. Departure date: 03/24/2026. Book now for this limited-time offer.

Low fare from Austin (AUS) to Liberia, Costa Rica (LIR) starting at $130 one-way basic. Departure date: 04/07/2026. Book now for this limited-time offer.

Southwest Airlines offers low fares through September 30, 2026, for destinations including Mexico, Las Vegas, Miami, and more. Book now for spring break travel. Reservations must be made by the specified deadline; fares are subject to availability and may include baggage and optional fees.

Bundle and save with new Getaways by Southwest. Packages include hotel and flight from Houston (HOU), Phoenix (PHX), or Los Angeles (LAX) to destinations like Cancun, San Jose del Cabo, or Honolulu. Prices displayed collected within last 6 hours; may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.