Are there nonstop flights from Ontario (ONT) to San Salvador (SAL)?

Yes. Avianca El Salvador fly this route. Flight time is about 4h 50m.

What is the fastest connection from Ontario (ONT) to San Salvador (SAL)?

via Las Vegas ≈ 5h 38m, via Houston ≈ 5h 49m, via Dallas-Fort Worth ≈ 5h 58m (estimated flying time, excluding layovers).

from 23,000 JAL miles, from 30,000 ANA miles (economy, one way, based on the published award charts).

Ontario International Airport (ONT) to El Salvador International Airport Saint Óscar Arnulfo Romero y Galdámez (SAL)・3,677 km

Nonstop flights available (1 airline). Flight time about 4h 50m. Nonstop return flights also operate.

With milesJAL 23,000 miles+ (via DFW)ANA 30,000 miles+ (via IAH)Economy, one way, estimate. Tap a connection for miles by cabin.

8 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.