Cheap flights from Ontario to San Francisco

Travel > North America > United States > Ontario to San Francisco flights

South of Market Area or So Ma is a host to several stylish galleries, clubs, theatres and restaurants. The Fisherman’s Wharf is one of the best places for nocturnal outs such as Buena Vista and Knuckles Historic sports bar and grill. Civic Center, Financial District, Union Square and Marin County are all nice places to visit in the night. Marina District, Russian District, Mission District and Castro are always bustling with energy during the nights.... (read more in our San Francisco Nightlife)

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Hamilton 
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Check our newest flight offers to San Francisco:

  • $108Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)San Francisco, CA (SFO)02/20/202309:38 pm
    San Francisco, CA (SFO)Ontario, CA (ONT)03/07/202311:55 am
    cheapoair.com check price
  • $109Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)San Francisco, CA (SFO)02/16/202302:20 pm
    San Francisco, CA (SFO)Ontario, CA (ONT)03/03/202311:18 pm
    cheapoair.com check price
  • $129Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)San Francisco, CA (SFO)02/25/202312:12 pm
    San Francisco, CA (SFO)Ontario, CA (ONT)03/12/202311:55 am
    cheapoair.com check price
  • $219Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)San Francisco, CA (SFO)02/25/202312:12 pm
    San Francisco, CA (SFO)Ontario, CA (ONT)03/12/202310:25 pm
    cheapoair.com check price
  • $580Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Toronto, ON (YYZ)San Francisco, CA (SFO)02/04/202310:15 pm
    San Francisco, CA (SFO)Toronto, ON (YYZ)02/10/202311:35 am
    cheapoair.com check price
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$1103 Depart: 05/16/2023
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Alaska AirlinesDetroit To Palm Springs Alaska Airlines airfares from Detroit in February
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Return: 03/06/2023

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Spirit AirlinesLos Angeles To Manchester, NH Spirit Airlines airfares from Los Angeles in February
$671 Depart: 02/05/2023
Return: 02/17/2023

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