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Get United's best fares today on flights from Ontario to Oakland

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Low fare calendar for flights from Ontario (ONT) to Oakland (OAK)

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Lowest PriceToday
*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.

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Weather in Oakland

Saturday overcast clouds
57°F 01/25/20
Sunday sky is clear
57°F 01/26/20
Monday broken clouds
55°F 01/27/20
Tuesday light rain
55°F 01/28/20
Wednesday overcast clouds
54°F 01/29/20
Thursday overcast clouds
58°F 01/30/20
Friday sky is clear
58°F 01/31/20
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