Outbound | Return | Airlines | Shop | Baggage | Price | ||
---|---|---|---|---|---|---|---|
Best option Ontario San Francisco | Outbound 07/25/25 direct F92677 01h 33min | Return 08/17/25 direct F92678 01h 29min | | ![]() | $109 | ||
Ontario San Francisco | Outbound 09/04/25 direct F92677 01h 32min | Return 09/28/25 direct F92678 01h 29min | | ![]() | $111 | ||
Ontario San Francisco | Outbound 07/25/25 direct F92677 01h 33min | Return 08/17/25 direct F92678 01h 29min | | ![]() | $117 | ||
Ontario San Francisco | Outbound 09/04/25 direct F92677 01h 32min | Return 09/28/25 direct F92678 01h 29min | | ![]() | ? | $121 | |
Ontario San Francisco | Outbound 07/25/25 direct F92677 01h 33min | Return 08/17/25 direct F92678 01h 29min | | ![]() | $125 | ||
Ontario San Francisco | Outbound 07/25/25 direct F92677 01h 33min | Return 08/17/25 direct F92678 01h 29min | | ![]() | $130 | ||
Ontario San Francisco | Outbound 07/25/25 direct UA2332 01h 27min | Return 08/17/25 direct UA0368 01h 27min | | ![]() | ? | $180 | |
Ontario San Francisco | Outbound 07/25/25 direct UA2332 01h 27min | Return 08/17/25 direct UA0448 01h 27min | | ![]() | ? | $193 | |
Ontario San Francisco | Outbound 09/04/25 direct F92677 01h 32min | Return 09/28/25 1 Stopover (DFW) F94000, F92923 10h 58min | | ![]() | ? | $214 | |
Ontario San Francisco | Outbound 09/04/25 1 Stopover (PHX) AA2738, AA0686 05h 18min | Return 09/28/25 1 Stopover (PHX) AA2423, AA1666 05h 01min | | ![]() | ? | $277 |
Stops
- Direct flight
Airline
- Frontier Airlines
- United Airlines
- American Airlines
- JetBlue Airways
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 | $108.98 |
---|---|
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 $360
- Flight Ontario - Las Vegas from $69
- Flight Ontario - Phoenix - Sky Harbor from $175
- Flight Ontario - Atlanta from $282
- Flight Ontario - Dallas from $159
- Flight Ontario - New York from $235
Alternative flights to San Francisco
- Flight Las Vegas - San Francisco from $66
- Flight New York - San Francisco from $248
- Flight Los Angeles - San Francisco from $78
- Flight New York - San Francisco from $257
- Flight Seattle-Tacoma - San Francisco from $117
- Flight Honolulu - San Francisco from $267
- Flight San Diego - San Francisco from $117
- Flight Washington-DC - San Francisco from $260
- Flight Boston - San Francisco from $226
- Flight Chicago - San Francisco from $200
Flight destinations with a similar price
- Flight San Francisco - Tehran from $963
- Flight San Francisco - Dubai from $703
- Flight San Francisco - Vienna from $624
- Flight San Francisco - Melbourne from $890
- Flight San Francisco - Taiwan-Taoyuan from $639
- Flight San Francisco - London from $579
- Flight San Francisco - Istanbul from $948
- Flight San Francisco - Sydney from $918
- Flight San Francisco - London Heathrow from $579
- Flight San Francisco - Brussels from $513