CA $183 Cheap Flights from Ontario (ONT) to Oakland (OAK)

Airlines that fly from Los Angeles - Ontario Intl. Airport (ONT) to Oakland Intl. Airport (OAK)

  • Plan, book, fly with confidence
  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards

Cheap flights from Ontario (ONT) to Oakland (OAK)

Prices were available within the past 7 days and start at CA $183 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Beautiful view of the beach with palm trees

Black Friday: Members save 30%+

Members save 30%+ on selected hotels until December 4 with our Black Friday deals. Stay by December 15, 2025.
Flight from Ontario to Oakland (ONT - OAK) route information
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Oakland Intl.
Distance
578 km

Los Angeles to Oakland Flights

The easy way to book your flights from Ontario to Oakland 

With Expedia, it’s simple to find and book flights to Oakland from Ontario whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Oakland Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Ontario to Oakland today, tomorrow, or this week.  

 

Save dollars with cheap flights from Los Angeles - Ontario Intl., ONT to Oakland Intl., OAK 

Sort your search results by price to find great deals on your flight from Ontario to Oakland—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Oakland from Ontario currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Oakland  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Oakland from Ontario 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Oakland with Expedia today.

Frequently asked questions

How much is a flight from Ontario Airport to OAK?
If you’re traveling from Los Angeles - Ontario Intl. Airport (ONT) to Oakland Intl. Airport, round-trip flights start from . This price is based on fares quoted within the last 7 days on Expedia for flights departing within the next year, so don’t hang about. Book today and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from ONT to Oakland Intl. Airport?
Most flights can be canceled online, but each air carrier has its own set of terms and conditions. If you do have to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from Los Angeles - Ontario Intl. Airport (ONT) to Oakland Intl. Airport (OAK) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Los Angeles - Ontario Intl. Airport (ONT) to Oakland Intl. Airport (OAK) flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Los Angeles - Ontario Intl. Airport (ONT) to Oakland Intl. Airport (OAK)?
It’s only 580 kilometers between Ontario Airport and Oakland Intl. Airport. It’s quite possible that you’ll spend more time traveling to and from the airport than you will actually flying!
Which airlines fly direct from Ontario Airport to Oakland Intl. Airport (OAK)?
If you’re looking to fly straight from Los Angeles - Ontario Intl. Airport (ONT) to Oakland Intl. Airport, Southwest Airlines (WN) is a popular choice. It operates 165 flights every month between Ontario and Oakland.
Are ONT to Oakland Intl. Airport (OAK) flight tickets cheaper when they're purchased at the last minute?
Late planners can sometimes find a bargain, with some of the cheapest fares from ONT to OAK cropping up a few weeks before the date of departure. If you’d rather plan ahead of time, Expedia compares and updates the best flight deals frequently — as early as 12 months in advance in some cases. It depends on the carrier though, as not all airlines issue prices that far in advance.
Oakland nearby Airports
Ontario nearby Airports

Orange County

Los Angeles

*Available to Expedia members.