Cheap Flights from ONT to OAK: When to Fly from Ontario to Oakland

 

The cheapest times to fly from ONT to OAK are

• April 23rd to May 13th (except the week of April 30th)
• May 28th to June 10th
• September 17th to November 18th
• December 3rd to March 11th (except the week of December 10th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from ONT to OAK is late January. Prices can be as high as $1416 for Sunday flights during late July, or as low as $174 for Tuesday flights around late January.

 

When to Fly to Oakland

Flying from Ontario, CA (ONT) to Oakland, CA (OAK) will usually cost between $181 to $498 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January with an average ticket price of $201. Due to high demand the most expensive time to fly is late July, with an average price of $890. Planning your trip to low-cost times can easily save you $689 on economy flights and even more on first-class flights. Generally, any price below $303 can be considered a good price for a round-trip ONT to OAK flight.

See below for a graph of average weekly prices for the ONT to OAK route. All prices are for round-trip tickets in USD.

Compared to other flights, the ONT to OAK flight is much cheaper than the average and costs much less than the average flight leaving from Ontario. The average price per mile (for a direct flight) is $0.52, which is above average.

 

Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $147 (36%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $267. Return trip prices are from the OAK to ONT flight, and often highlight the quality of our data in showing the same trend.

 

Nonstop Flights and Layovers

Travelers looking to fly from ONT to OAK can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 1 hour 38 minutes may be realistic.

 

Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is a nonstop flight from ONT to OAK while comparing.

 

Flight Questions Answered

Still have questions about flying from ONT to OAK? We’ve got answers.

Which airlines fly this route?

You can find 5 major airlines flying this route most often: Alaska, American, Delta, Southwest, United, and potentially more during busy seasons.

How far away is it from Metropolitan Oakland International Airport to Ontario International Airport?

The distance between the two airports is roughly 362 miles or 583 kilometers.

How long does it take to fly from ONT to OAK?

The real-world flight time for a nonstop ONT to OAK flight is about 1 hour 38 minutes.

How many flights go between Ontario, CA and Oakland, CA?

It depends on the day of the week and the date, but a typical day might have around 75 available flights from ONT to OAK.

 

Airport Location Info

 

 

Late and Early Flight Data

Flights from ONT to OAK tend to depart late far less frequently than the average flight. According to our recently updated data, 22% of flights departed 5 or more minutes late, and 9% of flights left 5 or more minutes early. On average you can expect to leave OAK heading for ONT about 6 minutes late. This does not significantly impact arrival time, as the average landing time in Oakland, CA is about 1 minutes early. The numbers below show a recent average of take-off times versus the scheduled departure flight:

• Southwest: 6 minutes late
• Some airlines not reporting

 

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.