S$383 Cheap Flights from Ontario to Oakland

View S$383 flight on Thu, 7 Aug, 2025Opens in a new window

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Oakland Intl. Airport (OAK)

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Cheap Flights from Ontario to Oakland (ONT-OAK)

Prices were available within the past 7 days and start at S$383 for one-way flights and S$734 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 7 Aug - Thu, 14 Aug
ONT
Ontario
OAK
Oakland
S$734 Return, found 5 days ago
S$734
Return
found 5 days ago
Select Delta flight, departing Thu, 7 Aug from Ontario to Oakland, returning Thu, 14 Aug, priced at S$734 found 5 days ago
Delta
Thu, 7 Aug - Thu, 14 Aug
ONT
Ontario
OAK
Oakland
S$798 Return, found 5 days ago
S$798
Return
found 5 days ago
Select Delta flight, departing Thu, 7 Aug from Ontario to Oakland, returning Thu, 14 Aug, priced at S$798 found 5 days ago
Delta
Thu, 7 Aug - Thu, 14 Aug
ONT
Ontario
OAK
Oakland
S$850 Return, found 5 days ago
S$850
Return
found 5 days ago
Select Delta flight, departing Thu, 7 Aug from Ontario to Oakland, returning Thu, 14 Aug, priced at S$850 found 5 days ago
Delta
Thu, 7 Aug - Thu, 14 Aug
ONT
Ontario
OAK
Oakland
S$857 Return, found 5 days ago
S$857
Return
found 5 days ago
Select Delta flight, departing Thu, 7 Aug from Ontario to Oakland, returning Thu, 14 Aug, priced at S$857 found 5 days ago
Delta
Thu, 7 Aug - Thu, 14 Aug
ONT
Ontario
OAK
Oakland
S$908 Return, found 5 days ago
S$908
Return
found 5 days ago
Select Delta flight, departing Thu, 7 Aug from Ontario to Oakland, returning Thu, 14 Aug, priced at S$908 found 5 days ago
United
Thu, 7 Aug - Thu, 14 Aug
ONT
Ontario
OAK
Oakland
S$911 Return, found 5 days ago
S$911
Return
found 5 days ago
Select United flight, departing Thu, 7 Aug from Ontario to Oakland, returning Thu, 14 Aug, priced at S$911 found 5 days ago
Delta
Thu, 7 Aug - Thu, 14 Aug
ONT
Ontario
OAK
Oakland
S$914 Return, found 5 days ago
S$914
Return
found 5 days ago
Select Delta flight, departing Thu, 7 Aug from Ontario to Oakland, returning Thu, 14 Aug, priced at S$914 found 5 days ago
United
Thu, 7 Aug - Thu, 14 Aug
ONT
Ontario
OAK
Oakland
S$917 Return, found 5 days ago
S$917
Return
found 5 days ago
Select United flight, departing Thu, 7 Aug from Ontario to Oakland, returning Thu, 14 Aug, priced at S$917 found 5 days ago
Delta
Thu, 7 Aug - Thu, 14 Aug
ONT
Ontario
OAK
Oakland
S$922 Return, found 5 days ago
S$922
Return
found 5 days ago
Select Delta flight, departing Thu, 7 Aug from Ontario to Oakland, returning Thu, 14 Aug, priced at S$922 found 5 days ago
Delta
Thu, 7 Aug - Thu, 14 Aug
ONT
Ontario
OAK
Oakland
S$958 Return, found 5 days ago
S$958
Return
found 5 days ago
Select Delta flight, departing Thu, 7 Aug from Ontario to Oakland, returning Thu, 14 Aug, priced at S$958 found 5 days ago

Find the cheapest month to fly from Ontario (ONT) to Oakland (OAK)

May is typically the cheapest month to fly

From S$99 - S$618 per traveller.

Graph displaying average flight prices per month

Ontario to Oakland route information
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Oakland Intl.
Return price
S$734
Distance
578 km
Average flight time
1 hour 15 mins

Perfect flights from Ontario to Oakland

Your Journey from Ontario to Oakland

Start your unforgettable journey with Expedia. Our broad selection of flights from Ontario to Oakland caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Delta, United. Our selection of flights from Los Angeles - Ontario Intl. to Oakland Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Ontario to Oakland Flights

Experience the joy of finding cheap flights from Los Angeles - Ontario Intl. to Oakland Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$383 and roundtrip prices from S$734*.
 

Pre-Flight Essentials

Ensure a smooth journey from Ontario to Oakland with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Oakland

Picture yourself stepping off the plane in Oakland and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Ontario to Oakland Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Ontario to Oakland.
 

Beyond the Flight – Exploring Oakland

With Expedia, your adventure extends beyond the flight. Explore Oakland at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Ontario to Oakland with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Ontario to Oakland with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from Ontario Airport to OAK?
If you're travelling from Los Angeles - Ontario Intl. Airport (ONT) to Oakland Intl. Airport, round-trip flights start from S$734. 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 cancelled 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 kilometres between Ontario Airport and Oakland Intl. Airport. It's quite possible that you'll spend more time travelling 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.

Explore a world of travel with Expedia

Oakland Airports

San Francisco

Ontario to San Francisco Intl.
S$150.20
Ontario Airports

Los Angeles

Los Angeles Intl. to Oakland
S$571.00

Orange County

*Available to Expedia members.