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San Francisco ✈ Ontario

Cheapest airfares from San Francisco to Ontario

Search for flight deals to Ontario

*All prices in AUD, prices may fluctuate slightly from the advertised price.
Fly on Thu, May 1st 2025
From $77

Frontier Airlines
F9 2678 (Direct)
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Fly on Thu, Apr 3rd 2025
From $179

United Airlines
UA 794 (Direct)
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