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Flights From Major Airports
From San Francisco
Current:
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 Sat, Jan 3rd 2026
From
$88
Frontier Airlines
F9 2678 (Direct)
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Fly on Wed, Dec 10th 2025
From
$105
United Airlines
UA 448 (Direct)
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Fly on Sun, Nov 23rd 2025
From
$223
Frontier Airlines
F9 2678 (Direct)
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Fly on Sat, Mar 7th 2026
From
$398
American Airlines
AA 783 (1 Transfer)
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