San Francisco to Ontario (SFO–ONT) — Airlines, Schedules & Connections
No flights match your filters.
No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
SFO–ONT is served by 4 airlines with nonstop service. United Airlines, Frontier and Alaska Airlines lead the route. The flight covers 363 miles in approximately 1h 34m. Beyond nonstop, 1-stop connecting options are also available.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| UA United Airlines Also: AC, CM, EK | 62 | 319, 320, 739, 7M8, 7M9, E7W | 1h31-1h43 | Star Alliance | AC, CM, EK | |
| F9 Frontier Also: Y4 | 7 | A20N | 1h29 | – | Y4 | |
| AS Alaska Airlines | 1 | – | – | Oneworld | – | |
| WN Southwest Airlines | 1 | – | – | – | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Other ways to reach Ontario from San Francisco
| Metric | SFO→ONT | OAK→ONT | SJC→ONT |
|---|---|---|---|
| Distance from SFO | – | 11 mi | 30 mi |
| Nonstop airlines | 4 | 3 | 6 |
| Weekly flights | 99 | 54 | 50 |
| Flight time | 1h 34m | 1h 20m | 1h 8m |
| Departure OTP | 68% | – | – |
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 United Airlines, Frontier, Alaska Airlines and Southwest Airlines. With 99 weekly departures, this is a heavily served route.
SFO to ONT Flight Duration and Schedule
Nonstop flight time from SFO to ONT is about 1 hours 34 minutes gate to gate. The route covers a distance of 363 miles (585 km). There are approximately 99 weekly flights outbound and 114 return, totaling 213 flights per week in both directions.
Connecting Options and Alternatives
1-stop connecting options are also available, commonly via Sacramento, Harry Reid and Santa Barbara Municipal. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Oakland (OAK), San Jose (SJC) and Concord (CCR).