Our flights from ONT to SFO
There are currently 48 direct flights between ONT to SFO each week, operated by 1 airline.
You can catch a flight from ONT to SFO on any day of the week.
These airlines operate direct flights from ONT to SFO: United Airlines.
The most common aircraft type flying between ONT to SFO is Canadair Regional Jet.
The day with the most flights from ONT to SFO is Friday.
Our cheapest flight from ONT to SFO was in September at just $123.