Outbound | Return | Airlines | Shop | Baggage | Price | ||
---|---|---|---|---|---|---|---|
Best option San Francisco Ontario | Outbound 09/30/25 direct UA0448 01h 22min | Return 10/25/25 direct UA0393 01h 19min | | ![]() | ? | $93 | |
San Francisco Ontario | Outbound 09/30/25 direct UA1697 01h 28min | Return 10/25/25 direct UA0393 01h 19min | | ![]() | ? | $134 | |
San Francisco Ontario | Outbound 09/30/25 direct UA0448 01h 22min | Return 10/25/25 direct UA1585 01h 19min | | ![]() | ? | $137 | |
San Francisco Ontario | Outbound 09/30/25 1 Stopover (LAS) F94158, F92231 13h 56min | Return 10/25/25 1 Stopover (DEN) F91500, F91093 15h 25min | | ![]() | $143 | ||
San Francisco Ontario | Outbound 09/30/25 direct UA1697 01h 28min | Return 10/25/25 direct UA1585 01h 19min | | ![]() | $144 | ||
San Francisco Ontario | Outbound 09/30/25 1 Stopover (PHX) AA2423, AA4890 03h 50min | Return 10/25/25 1 Stopover (PHX) AA2859, AA0857 03h 55min | | ![]() | ? | $315 |
Stops
- Direct flight
Airline
- United Airlines
- American Airlines
- Frontier Airlines
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
Roundtrip from | $ 92,41 |
---|---|
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
- Flight San Francisco - Honolulu from $ 870
- Flight San Francisco - Los Angeles from $ 106
- Flight San Francisco - New York from $ 139
- Flight San Francisco - Seattle-Tacoma from $ 518
- Flight San Francisco - Miami from $ 560
- Flight San Francisco - Kona from $ 366
- Flight San Francisco - San Diego from $ 117
- Flight San Francisco - New York from $ 139
- Flight San Francisco - Newark from $ 182
- Flight San Francisco - Atlanta from $ 164
Alternative flights to Ontario
- Flight Dallas - Ontario from $ 125
- Flight Sacramento - Ontario from $ 173
- Flight Baltimore - Ontario from $ 256
Flight destinations with a similar price
- Flight Ontario - Frankfurt from $ 710
- Flight Ontario - Nuremberg from $ 881