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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 Wed, Nov 19th 2025
From $206

United Airlines
UA 796 (Direct)
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Fly on Wed, Jul 1st 2026
From $256

United Airlines
UA 2661 (Direct)
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