San Francisco (SFO) to Ontario (ONT) flights
Nonstop from San Francisco International to Ontario International Airport: distance, flying time, which airlines fly it and how often.
Distance
585km
364 mi, great circle
Flying time
1h 26m
typical, gate to gate
Flights a day
5.4
average, November 2026
Airlines
2
passenger airlines
Airlines flying SFO to ONT
Route map
The shortest path over the Earth's surface. Actual tracks vary with winds and airspace. Map © OpenStreetMap contributors.
Cheapest recent fare
Fares found in recent searches load here. You can also compare SFO to ONT fares by month.
Both directions
- Ontario International Airport (ONT) · we don't have ONT's route list yet
- All nonstop routes from San Francisco (SFO)
- SFO to ONT on the flight-path tool
Frequently asked questions
How long is the flight from San Francisco to Ontario?
About 1h 26m gate to gate for the 585 km (364 mile) trip, estimated from distance. Schedules vary by airline and season, and winds can add or save time.
Which airlines fly nonstop from SFO to ONT?
Frontier Airlines and United Airlines, with about 5.4 flights a day between them in our data (AeroDataBox, November 2026).