San Francisco to Ontario (SFO–ONT) — Airlines, Schedules & Connections
No flights match your filters.
No nonstop flights on this route. connecting options below.
SFO–ONT is served by 2 airlines with nonstop service. United Airlines and Frontier lead the route. The flight covers 363 miles in approximately 1h 29m. Beyond nonstop, 55 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| UA United Airlines Also: AC, CM, EK | 36 | 319, 739, 7M9, E7W | 1h29-1h39 | Star Alliance | AC, CM, EK | |
| F9 Frontier Also: Y4 | 7 | 32Q | 1h34 | – | Y4 |
Weekly Schedule Pattern
Connection Landscape
Other ways to reach Ontario from San Francisco
| Metric | SFO→ONT | OAK→ONT | SJC→ONT |
|---|---|---|---|
| Distance from SFO | – | 11 mi | 30 mi |
| Nonstop airlines | 2 | 2 | 3 |
| Weekly flights | 78 | 27 | 25 |
| Flight time | 1h 29m | 1h 12m | 1h 15m |
| Departure OTP | 97% | – | – |
Travel Essentials
SFO: PDT · ONT: PDT
When it's 6:00 PM in San Francisco, it's 6:00 PM in Ontario.
BART (Bay Area Rapid Transit) runs from downtown San Francisco (Embarcadero, Powell St.) to the SFO station and then a free AirTrain shuttle to all terminals (30–40 min from Embarcadero, $10.45). BART also connects Oakland and Berkeley; useful for East Bay travelers. Trains run from ~4am to midnight.Taxis from downtown San Francisco cost $40–60. Ride-hails (Uber, Lyft) pick up in the designated area in the garage and are often $30–50 depending on surge pricing. SamTrans buses serve Peninsula cities. Highway 101 and I-280 are heavily congested during commute hours; BART is faster than driving at those times.
SFO–ONT Quick Facts
Frequently Asked Questions
Flights from SFO to ONT
San Francisco International Airport (SFO) and Ontario International Airport (ONT) are connected by nonstop service from Frontier and United Airlines. With 78 weekly departures, this is a heavily served route.
SFO to ONT Flight Duration and Schedule
Nonstop flight time from SFO to ONT ranges from 1 hours 29 minutes to 1 hours 39 minutes. The route covers a distance of 363 miles (585 km). There are approximately 78 weekly flights outbound and 92 return, totaling 170 flights per week in both directions.
Connecting Options and Alternatives
55 one-stop connections are available, with the fastest taking approximately 2 hours via VNY. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Oakland (OAK), San Jose (SJC) and Santa Rosa (STS).