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United flights from Oakland to Ontario

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More United deals on Oakland (OAK) to Ontario (ONT) flights

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*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Weather in Ontario

Friday sky is clear
25°C 08/07/20
Saturday sky is clear
29°C 08/08/20
Sunday sky is clear
29°C 08/09/20
Monday sky is clear
29°C 08/10/20
Tuesday sky is clear
29°C 08/11/20
Wednesday sky is clear
28°C 08/12/20
Thursday sky is clear
28°C 08/13/20
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