Are there nonstop flights from Fresno (FAT) to Ontario (ONT)?

No. The fastest connection is via Las Vegas, about 1h 51m of total flying time.

What is the fastest connection from Fresno (FAT) to Ontario (ONT)?

via Las Vegas ≈ 1h 51m, via San Francisco ≈ 1h 59m (estimated flying time, excluding layovers).

Fresno Yosemite International Airport (FAT) to Ontario International Airport (ONT)・358 km

No nonstop flights. The fastest connection is via Las Vegas (LAS), about 1h 51m of flying time (layover not included).

None.

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.