What’s the cost of a flight from Ontario to Oakland?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Ontario and Oakland.

The lowest fare seen in the past 15 days was $91.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Are there multiple airports in Ontario and Oakland?

If your departure or arrival city has more than one airport, it's worth comparing all of them for timing and pricing.

• Airports in Ontario: Only Ontario operates in this city.
• Airports in Oakland: Oakland is the only airport currently running.

If you're traveling with a group or bulky luggage, look into parking or transport options. Alternative airports may offer faster transfers or better rates.

Find the best flight from Ontario to Oakland

With Jetcost, you can filter results by flight time, airline, price range, and layovers. Choose direct or connecting flights, round-trip or one-way, and compare offers from Delta, American, United, and more.

Other popular destinations

Searching for flights to United States? Travelers also looked at: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Use filters to exclude options that don’t match your budget or travel preferences and personalize your search for Ontario – Oakland flights.