San José (SJO) to Miami (MIA): 1,122 miles (1,805 km) great-circle, about 2h 45m nonstop by our estimate. Cheapest fare observed: $457 round-trip on Spirit, with 2 stops, departing April 30, 2026.
$457 round-trip, Spirit NK338, departing 2026-04-30 at 12:38, returning 2026-05-04. The recorded itinerary left on a Thursday, returning on a Monday 4 nights later; the fare was observed 5 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $457, it ranked 19th of the 30 round-trip fares we recorded from SJO (median $412). That is 40.7 cents per great-circle mile (round-trip price over one-way distance), above the SJO median of 21.6 cents across 29 round-trip routes.
Routes from SJO of similar length: Mexico City (1,187 mi) at $256 and Punta Cana (1,214 mi) at $550.
Spirit had the cheapest fare on 4 of 30 SJO routes. It is the 21st longest of the 30 routes we track from SJO.
Of 30 departure airports with a fare to Miami, San José (SJO) ranked 26th at $457. Lowest: $72 from Atlanta (ATL); highest: $1627 from Wellington (WLG); 10 nonstop. Cheapest-fare airlines (routes): Frontier (13), Spirit (4), Southwest (3), American Airlines (2), Arajet (2) and Avianca (1), plus 5 more.
That depends on your passport and trip, so check the official source for United States: U.S. Customs and Border Protection: international visitors. Connecting elsewhere? Check that country's transit rules too.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Costa_Rica, America/New_York; flight time is our estimate.