Fort Lauderdale (FLL) to San Juan (SJU): 1,046 miles (1,684 km) great-circle, about 2h 35m nonstop by our estimate. Cheapest fare observed: $163 round-trip on Spirit, nonstop, departing May 11, 2026.
$163 round-trip, Spirit NK1280, departing 2026-05-11 at 16:26, returning 2026-05-14. The recorded itinerary left on a Monday, returning on a Thursday 3 nights later; the fare was observed 16 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $163, it ranked 13th of the 30 round-trip fares we recorded from FLL (median $222). That is 15.6 cents per great-circle mile (round-trip price over one-way distance), below the FLL median of 17.5 cents across 30 round-trip routes.
Routes from FLL of similar length: New York (1,071 mi) at $97 and Austin (1,103 mi) at $200.
Spirit had the cheapest fare on 15 of 30 FLL routes. It is the 16th longest of the 30 routes we track from FLL.
Of 20 departure airports with a fare to San Juan, Fort Lauderdale (FLL) ranked 6th at $163. Lowest: $127 from Orlando (MCO); highest: $632 from Washington DC (IAD); 7 nonstop. Cheapest-fare airlines (routes): Frontier (9), Spirit (4), American Airlines (2), JetBlue (2), Southwest (1) and United Airlines (1), plus 1 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/New_York, America/Puerto_Rico; flight time is our estimate.