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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From $89 / RT details

Book your flight now with Cheapoair.com and save!

Cheap Ontario airfares from $89/RT are provided by Cheapoair.com. Outbound flight is leaving on 01/30/2025, 10:29 pm from San Francisco Intl (SFO) airport and arrives at Ontario Int`l (ONT) at 07:11 am. The flight time is 8 hours and 42 minutes. The Returning flight departes on 02/07/2025, 09:23 am (other return dates are also available). Date posted: 17 Dec 2024

Price evolution for flights From San Francisco To Ontario, CA

Recent Deals on Flights from San Francisco to Ontario, CA:Roundtrip / Oneway

• $89 Multiple Airlines 

  From	To	Departure	Time
  San Francisco, CA (SFO)	Ontario, CA (ONT)	01/30/2025	10:29 pm
  Ontario, CA (ONT)	San Francisco, CA (SFO)	02/07/2025	09:23 am

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• $90 Multiple Airlines 

  From	To	Departure	Time
  San Francisco, CA (SFO)	Ontario, CA (ONT)	01/16/2025	10:54 am
  Ontario, CA (ONT)	San Francisco, CA (SFO)	01/23/2025	09:23 am

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• $98 Frontier Airlines 

  From	To	Departure	Time
  San Francisco, CA (SFO)	Ontario, CA (ONT)	02/08/2025	10:54 am
  Ontario, CA (ONT)	San Francisco, CA (SFO)	02/20/2025	08:26 am

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• $108 Frontier Airlines 

  From	To	Departure	Time
  San Francisco, CA (SFO)	Ontario, CA (ONT)	01/30/2025	09:10 pm
  Ontario, CA (ONT)	San Francisco, CA (SFO)	02/07/2025	06:00 am

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• $118 Frontier Airlines 

  From	To	Departure	Time
  San Francisco, CA (SFO)	Ontario, CA (ONT)	01/16/2025	10:29 pm
  Ontario, CA (ONT)	San Francisco, CA (SFO)	01/23/2025	08:11 pm

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• $39 Frontier Airlines 

  From	To	Departure	Time
  San Francisco, CA (SFO)	Ontario, CA (ONT)	01/23/2025	05:15 am

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• $65 Frontier Airlines 

  From	To	Departure	Time
  San Francisco, CA (SFO)	Ontario, CA (ONT)	01/14/2025	03:18 pm

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• $71 Frontier Airlines 

  From	To	Departure	Time
  San Francisco, CA (SFO)	Ontario, CA (ONT)	01/05/2025	05:45 am

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