Cheap flights from Ontario to Oakland (ONT - OAK)
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The best prices from Ontario to Oakland are usually found in November or February, booked 44 days in advance, depart on a Wednesday or Tuesday and return on a Saturday
How to find the cheapest flight from
Ontario (ONT) to Oakland (OAK)
All the information you need to plan the best ONT to OAK flight in 2022: compare Ontario to Oakland flight prices with the expected peak season, weather and rainfall in Oakland.
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ONT - OAK Price
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$107 - $309
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OAK Temperature
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51.8 - 66.2 °F
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OAK Rainfall
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0 - 4.8 inches
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Popular in January High demand for flights, 36% potential price rise |
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Cheapest in November Best time to find cheap flights, 46% potential price drop |
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Round-trip from $107 From Ontario to Oakland |
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One-way from $42 One-way flight from Ontario to Oakland |
How far in advance should I book a flight from Ontario to Oakland, California?
To save on the cost of your flight from Ontario to Oakland, California, book at least 60 days before your planned departure. Booking around this time can save you about 98% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $145 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $213.
When is the cheapest time to fly from Ontario to Oakland, California (ONT - OAK)?
Unlike in the morning, when flights are generally more expensive, you can save up to 37% on flights from Ontario to Oakland, California by exploring options for tickets at noon.
What is the cheapest day to fly round-trip from Ontario to Oakland, California?
Leaving on a Tuesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 186% on the overall cost on flights from Ontario to Oakland, California.
What is the cheapest month to fly from Ontario to Oakland, California?
The best pricing can be found in the month of January. Prices to Oakland, California from Ontario average $131. You can even find prices in January for less than $131, as users have found deals to Oakland, California from as low as $73. The month of June appears to be one of the more expensive times to travel to Oakland, California from Ontario. Flying in the targeted month can save you up to 34%.
Cheap flights from Ontario to Oakland in August, September 2022
The best prices found for ONT to OAK flights for August, September
Ontario to Oakland 2022 flight deals
Cheap flights to Oakland from Ontario found for this year
Cheap Frontier flights from Ontario to Oakland
Cheap Alaska Airlines flights from Ontario to Oakland
Last minute flights from Ontario to Oakland
Late deals on round-trip flights to Oakland from Ontario, departing today and this week
One-way flights to Oakland from Ontario
The cheapest one-way flights from Ontario to Oakland
Related info for your journey
Useful info, stats and facts about <span class="emphasized">Ontario</span> to <span class="emphasized">Oakland</span> flights.
COVID Restrictions
View COVID Travel Restrictions for Oakland, CAAlternative routes for Ontario to Oakland
See prices for flight routes from nearby airports that may be better suited for you.
Top 7 airlines flying from Ontario to Oakland
The chart below displays the airlines Cheapflights users traveling from Ontario to Oakland choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
| Airline | Cheapest | Average | Flexibility | On-time | COVID-19 safety | |
|---|---|---|---|---|---|---|
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$15 | $23 | No cancel fee | 66% |
We couldn't confirm the COVID-19 safety measures taken by Juneyao Airlines. Please check directly on their website for additional information. |
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$65 | $154 | No cancel fee | 62% | ||
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$73 | $112 | No cancel fee | 65% | ||
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$78 | $98 | No cancel fee | N/A |
We couldn't confirm the COVID-19 safety measures taken by Breeze Airways. Please check directly on their website for additional information. |
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$104 | $284 | No cancel fee | 69% | ||
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$114 | $188 | No cancel fee | N/A | ||
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$167 | $311 | No cancel fee | N/A |
We couldn't confirm the COVID-19 safety measures taken by JSX. Please check directly on their website for additional information. |
Popular flight searches
Check out other popular destinations found by fellow travelers in 2022.
Hourly flight availability from Ontario to Oakland
See what time of day planes typically take off from Ontario towards Oakland.
| Afternoon Noon to 6 PM | 38% of ONT to OAK departures |
| Morning 6 AM to noon | 27% of ONT to OAK departures |
| Early morning Midnight to 6 AM | 18% of ONT to OAK departures |
| Evening 6 PM to midnight | 17% of ONT to OAK departures |