Outbound | Return | Airlines | Shop | Baggage | Price | ||
---|---|---|---|---|---|---|---|
Best option San Francisco Ontario | Outbound 07/25/25 direct F92678 01h 29min | Return 08/17/25 direct F92677 01h 33min | | ![]() | $117 | ||
San Francisco Ontario | Outbound 07/25/25 direct F92678 01h 29min | Return 08/17/25 direct F92677 01h 33min | | ![]() | $123 | ||
San Francisco Ontario | Outbound 07/25/25 direct F92678 01h 29min | Return 08/17/25 direct F92677 01h 33min | | ![]() | $125 | ||
San Francisco Ontario | Outbound 07/25/25 direct F92678 01h 29min | Return 08/17/25 direct F92677 01h 33min | | ![]() | $129 | ||
San Francisco Ontario | Outbound 07/25/25 direct F92678 01h 29min | Return 08/17/25 direct F92677 01h 33min | | ![]() | $130 | ||
San Francisco Ontario | Outbound 09/19/25 direct UA1697 01h 28min | Return 09/29/25 direct UA0393 01h 19min | | ![]() | ? | $219 | |
San Francisco Ontario | Outbound 07/25/25 direct UA0368 01h 27min | Return 08/17/25 direct UA2332 01h 27min | | ![]() | ? | $233 | |
San Francisco Ontario | Outbound 07/25/25 direct UA1697 01h 29min | Return 08/17/25 direct UA2042 01h 27min | | ![]() | ? | $248 | |
San Francisco Ontario | Outbound 09/19/25 1 Stopover (PHX) AA2423, AA1666 05h 01min | Return 09/29/25 1 Stopover (PHX) AA1666, AA2423 16h 08min | | ![]() | ? | $395 | |
San Francisco Ontario | Outbound 07/25/25 1 Stopover (PHX) AA1914, AA3203 17h 10min | Return 08/17/25 1 Stopover (PHX) AA1666, AA6430 13h 26min | | ![]() | ? | $458 |
Stops
- Direct flight
Airline
- Frontier Airlines
- United Airlines
- American Airlines
- JetBlue Airways
Tips and tricks to help you find cheap flights from San Francisco to Ontario
Favorite airline: Frontier Airlines
99 % of travelers choose to book flights on this route with Frontier Airlines and United Airlines.

Frontier Airlines
83 %

United Airlines
16 %
Cheapest weekday: Tuesday
The cheapest ticket prices are available for flights departing on Tuesday.
Direct flights are cheaper
Compared to flights with a stopover, direct flights are $341.00 cheaper on this route.
non stop flight
1 stop
01h 23min
05h 55min
$54
$395
The favorite connection is non-stop
Direct flights are especially popular on this route. 99 % of travelers will book a direct flight.
Route
bookings
Direct flights
01h 23min, from $54
99 %
1 stopover Phoenix - Sky Harbor International Airport
05h 55min, from $395
1 %
Important flight information
Flight information: San Francisco - Ontario
Flight duration | min. 01:27 / max. 03:20 |
---|---|
Return flight duration | min. 01:28/ max. 01:35 |
Distance | 585 km |
Flights per week | 48 |
Departure airport | Airport San Francisco International Airport, CA (SFO) |
Arrival airport | Airport Ontario-CA (ONT) |
Destination country | Flights to United States |
Alternative routes to United States
Alternative flights to Ontario
- Flight Dallas - Ontario from $97
- Flight Baltimore - Ontario from $302