San José (SJO) to Los Angeles (LAX): 2,723 miles (4,382 km) great-circle, about 5h 55m nonstop by our estimate. Cheapest fare observed: $496 round-trip on Avianca, with 1 stop, departing July 10, 2026.
$496 round-trip, Avianca AV318, departing 2026-07-10 at 09:40, returning 2026-07-30. The recorded itinerary left on a Friday, returning on a Thursday 20 nights later; the fare was observed 76 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $496, it ranked 21st of the 30 round-trip fares we recorded from SJO (median $412). That is 18.2 cents per great-circle mile (round-trip price over one-way distance), below the SJO median of 21.6 cents across 29 round-trip routes.
Routes from SJO of similar length: Toronto (2,343 mi) at $442 and Santiago (3,125 mi) at $438.
Avianca had the cheapest fare on 5 of 30 SJO routes. It is the 11th longest of the 30 routes we track from SJO.
Of 40 departure airports with a fare to Los Angeles, San José (SJO) ranked 33rd at $496. Lowest: $77 from Seattle (SEA); highest: $1224 from Sapporo (CTS); 11 nonstop. Cheapest-fare airlines (routes): Frontier (18), Spirit (5), Southwest (3), EVA Air (2), Fiji Airways (2) and WestJet (2), plus 8 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/Los_Angeles; flight time is our estimate.