Outbound | Return | Airlines | Shop | Baggage | Price | ||
---|---|---|---|---|---|---|---|
Ontario San Francisco | Outbound 10/18/25 1 Stopover (LAS) F91358, F93801 04h 07min | Return 11/17/25 direct F92678 01h 29min | | ![]() | $141 | ||
Best option Ontario San Francisco | Outbound 10/18/25 direct UA1840 01h 19min | Return 11/17/25 direct UA5981 01h 35min | | ![]() | ? | $191 | |
Ontario San Francisco | Outbound 10/18/25 1 Stopover (LAS) F92232, F94401 13h 22min | Return 11/17/25 direct F92678 01h 29min | | ![]() | $144 | ||
Ontario San Francisco | Outbound 10/18/25 1 Stopover (LAS) F92232, F94401 13h 22min | Return 11/17/25 direct F92678 01h 29min | | ![]() | $149 | ||
Ontario San Francisco | Outbound 10/18/25 direct UA0393 01h 19min | Return 11/17/25 direct UA0448 01h 35min | | ![]() | ? | $200 | |
Ontario San Francisco | Outbound 10/18/25 1 Stopover (PHX) AA6508, AA0686 05h 25min | Return 11/17/25 1 Stopover (PHX) AA2664, AA1423 13h 24min | | ![]() | ? | $321 | |
Ontario San Francisco | Outbound 10/18/25 1 Stopover (PHX) AA6508, AA0686 05h 25min | Return 11/17/25 1 Stopover (PHX) AA6404, AA3016 05h 35min | | ![]() | ? | $421 |
Stops
- Direct flight
Airline
- Frontier Airlines
- American Airlines
- United Airlines
Tips and tricks to help you find cheap flights from Ontario to San Francisco
Favorite airline: Frontier Airlines
The favorite airline for flights from Ontario to San Francisco is Frontier Airlines.

Frontier Airlines
90 %

United Airlines
10 %
Cheapest weekday: Tuesday
Compared to other weekdays, flights are cheapest on Tuesday.
Important flight information
Flight information: Ontario - San Francisco
Roundtrip from | $140.42 |
---|---|
Flight duration | min. 01:28 / max. 01:35 |
Return flight duration | min. 01:27/ max. 03:20 |
Distance | 585 km |
Flights per week | 42 |
Departure airport | Airport Ontario-CA (ONT) |
Arrival airport | Airport San Francisco International Airport, CA (SFO) |
Destination country | Flights to United States |
Alternative routes to United States
- Flight Ontario - Miami from $262
- Flight Ontario - Las Vegas from $103
- Flight Ontario - Phoenix - Sky Harbor from $171
- Flight Ontario - Dallas from $181
- Flight Ontario - Atlanta from $236
- Flight Ontario - New York from $235
Alternative flights to San Francisco
- Flight Las Vegas - San Francisco from $84
- Flight New York - San Francisco from $125
- Flight Los Angeles - San Francisco from $92
- Flight New York - San Francisco from $141
- Flight Seattle-Tacoma - San Francisco from $116
- Flight Honolulu - San Francisco from $431
- Flight San Diego - San Francisco from $49
- Flight Washington-DC - San Francisco from $239
- Flight Boston - San Francisco from $203
- Flight Chicago - San Francisco from $200
Flight destinations with a similar price
- Flight San Francisco - Tehran from $991
- Flight San Francisco - Dubai from $642
- Flight San Francisco - Vienna from $503
- Flight San Francisco - Sydney from $854
- Flight San Francisco - Melbourne from $890
- Flight San Francisco - Brussels from $460
- Flight San Francisco - Sofia from $511
- Flight San Francisco - Nassau from $380
- Flight San Francisco - Vancouver from $136
- Flight San Francisco - Calgary from $202