Are there nonstop flights from San Salvador (SAL) to Cancún (CUN)?

Yes. Avianca El Salvador fly this route. Flight time is about 1h 32m.

What is the fastest connection from San Salvador (SAL) to Cancún (CUN)?

via Guatemala City ≈ 2h 12m, via San José ≈ 3h 15m (estimated flying time, excluding layovers).

El Salvador International Airport Saint Óscar Arnulfo Romero y Galdámez (SAL) to Cancún International Airport (CUN)・876 km

Nonstop flights available (1 airline). Flight time about 1h 32m. Nonstop return flights also operate.

2 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.