Cheap flights from San Francisco to Ontario, CA
Travel > North America > United States > San Francisco to Ontario, CA flights
Check our current prices for flights from San Francisco to Ontario, CA. Please note that we also give you historical search data for this city connection. These are all airfares that people found in the past, in order to find more current flight information from San Francisco to Ontario, CA, you will need to run a search below.
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Cheap Ontario airfares from $53/RT are provided by Cheapoair.com. Outbound flight is leaving on 03/13/2025, 08:16 am from San Francisco Intl (SFO) airport and arrives at Ontario Int`l (ONT) at 09:44 am. The flight time is 1 hours and 28 minutes. The Returning flight departes on 03/19/2025, 08:20 am (other return dates are also available). Date posted: 15 Feb 2025
Price evolution for flights From San Francisco To Ontario, CA

Recent Deals on Flights from San Francisco to Ontario, CA:Roundtrip / Oneway
- $53
Multiple Airlines
cheapoair.com check priceFrom To Departure Time San Francisco, CA (SFO) Ontario, CA (ONT) 03/13/2025 08:16 am Ontario, CA (ONT) San Francisco, CA (SFO) 03/19/2025 08:20 am - $81
Multiple Airlines
cheapoair.com check priceFrom To Departure Time San Francisco, CA (SFO) Ontario, CA (ONT) 03/12/2025 02:53 pm Ontario, CA (ONT) San Francisco, CA (SFO) 03/25/2025 10:52 am - $119
Frontier Airlines
cheapoair.com check priceFrom To Departure Time San Francisco, CA (SFO) Ontario, CA (ONT) 03/12/2025 10:59 pm Ontario, CA (ONT) San Francisco, CA (SFO) 03/25/2025 02:43 pm - $169
Frontier Airlines
cheapoair.com check priceFrom To Departure Time San Francisco, CA (SFO) Ontario, CA (ONT) 03/13/2025 08:16 am Ontario, CA (ONT) San Francisco, CA (SFO) 03/19/2025 12:59 am - $34
Frontier Airlines
cheapoair.com check priceFrom To Departure Time San Francisco, CA (SFO) Ontario, CA (ONT) 03/06/2025 08:16 am - $38
Frontier Airlines
cheapoair.com check priceFrom To Departure Time San Francisco, CA (SFO) Ontario, CA (ONT) 04/06/2025 08:35 am - $65
Frontier Airlines
cheapoair.com check priceFrom To Departure Time San Francisco, CA (SFO) Ontario, CA (ONT) 03/11/2025 11:12 am - $146
Frontier Airlines
cheapoair.com check priceFrom To Departure Time San Francisco, CA (SFO) Ontario, CA (ONT) 03/25/2025 11:12 am
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