Book flights to Palm Beach, Tampa, Orlando and Baltimore / Washington nonstop with connections systemwide including new international connections through BWI.
Book assigned and premium seating now for travel starting January 27, 2026 flights, new comfortable boarding, a free carry on bag, and the Rapid Rewards frequent flyer program perks all from Long Island MacArthur Airport on Southwest! Assigned seats are now bookable for travel starting January 27, 2026.
Southwest has served ISP with heart since 1999.
