Are there nonstop flights from San José (SJO) to Quito (UIO)?

Yes. Avianca Costa Rica fly this route. Flight time is about 2h 2m.

What is the fastest connection from San José (SJO) to Quito (UIO)?

via Panama City ≈ 2h 51m, via Guayaquil ≈ 3h 1m, via Medellín ≈ 3h 9m (estimated flying time, excluding layovers).

from 17,500 ANA miles (economy, one way, based on the published award charts).

Juan Santamaría International Airport (SJO) to Mariscal Sucre International Airport (UIO)・1,298 km

Nonstop flights available (1 airline). Flight time about 2h 2m. Nonstop return flights also operate.

With milesANA 17,500 miles+ (via PTY)Economy, one way, estimate. Tap a connection for miles by cabin.

5 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.