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From San Francisco
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San Francisco to Ontario
San Francisco ✈ Ontario
Cheapest airfares from San Francisco to Ontario
Search for flight deals to Ontario
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All prices in AUD, prices may fluctuate slightly from the advertised price.
Fly on Fri, Oct 24th 2025
From
$73
Frontier Airlines
F9 2678 (Direct)
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Fly on Wed, Dec 31st 2025
From
$130
Southwest Airlines
WN 4106 (1 Transfer)
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Fly on Thu, Jan 1st 2026
From
$133
United Airlines
UA 5740 (Direct)
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Fly on Sun, Nov 2nd 2025
From
$151
Southwest Airlines
WN 1422 (1 Transfer)
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