Cheap Flights from Ontario Intl. Airport to Oakland

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

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 40% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Ontario Intl. Airport to Oakland (ONT-OAK)

Prices were available within the past 7 days and start at for one-way flights and S$1,254 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 5 May - Tue, 12 May
ONT
Ontario
OAK
Oakland
S$1,254 Return, found 5 days ago
S$1,254
Return
found 5 days ago
Select Delta flight, departing Tue, 5 May from Ontario to Oakland, returning Tue, 12 May, priced at S$1,254 found 5 days ago
Delta
Tue, 5 May - Tue, 12 May
ONT
Ontario
OAK
Oakland
S$1,395 Return, found 5 days ago
S$1,395
Return
found 5 days ago
Select Delta flight, departing Tue, 5 May from Ontario to Oakland, returning Tue, 12 May, priced at S$1,395 found 5 days ago
Delta
Tue, 5 May - Tue, 12 May
ONT
Ontario
OAK
Oakland
S$1,457 Return, found 5 days ago
S$1,457
Return
found 5 days ago
Select Delta flight, departing Tue, 5 May from Ontario to Oakland, returning Tue, 12 May, priced at S$1,457 found 5 days ago
Delta
Tue, 5 May - Tue, 12 May
ONT
Ontario
OAK
Oakland
S$1,598 Return, found 5 days ago
S$1,598
Return
found 5 days ago
Select Delta flight, departing Tue, 5 May from Ontario to Oakland, returning Tue, 12 May, priced at S$1,598 found 5 days ago
Delta
Tue, 5 May - Tue, 12 May
ONT
Ontario
OAK
Oakland
S$1,666 Return, found 5 days ago
S$1,666
Return
found 5 days ago
Select Delta flight, departing Tue, 5 May from Ontario to Oakland, returning Tue, 12 May, priced at S$1,666 found 5 days ago
Delta
Tue, 5 May - Tue, 12 May
ONT
Ontario
OAK
Oakland
S$1,667 Return, found 5 days ago
S$1,667
Return
found 5 days ago
Select Delta flight, departing Tue, 5 May from Ontario to Oakland, returning Tue, 12 May, priced at S$1,667 found 5 days ago
Delta
Tue, 5 May - Tue, 12 May
ONT
Ontario
OAK
Oakland
S$1,714 Return, found 5 days ago
S$1,714
Return
found 5 days ago
Select Delta flight, departing Tue, 5 May from Ontario to Oakland, returning Tue, 12 May, priced at S$1,714 found 5 days ago
Delta
Tue, 5 May - Tue, 12 May
ONT
Ontario
OAK
Oakland
S$1,799 Return, found 5 days ago
S$1,799
Return
found 5 days ago
Select Delta flight, departing Tue, 5 May from Ontario to Oakland, returning Tue, 12 May, priced at S$1,799 found 5 days ago
Delta
Tue, 5 May - Tue, 12 May
ONT
Ontario
OAK
Oakland
S$1,808 Return, found 5 days ago
S$1,808
Return
found 5 days ago
Select Delta flight, departing Tue, 5 May from Ontario to Oakland, returning Tue, 12 May, priced at S$1,808 found 5 days ago
Delta
Tue, 5 May - Tue, 12 May
ONT
Ontario
OAK
Oakland
S$1,838 Return, found 5 days ago
S$1,838
Return
found 5 days ago
Select Delta flight, departing Tue, 5 May from Ontario to Oakland, returning Tue, 12 May, priced at S$1,838 found 5 days ago
Delta
Tue, 5 May - Tue, 12 May
ONT
Ontario
OAK
Oakland
S$1,960 Return, found 5 days ago
S$1,960
Return
found 5 days ago
Select Delta flight, departing Tue, 5 May from Ontario to Oakland, returning Tue, 12 May, priced at S$1,960 found 5 days ago
Delta
Tue, 5 May - Tue, 12 May
ONT
Ontario
OAK
Oakland
S$1,971 Return, found 5 days ago
S$1,971
Return
found 5 days ago
Select Delta flight, departing Tue, 5 May from Ontario to Oakland, returning Tue, 12 May, priced at S$1,971 found 5 days ago
United
Tue, 5 May - Tue, 12 May
ONT
Ontario
OAK
Oakland
S$1,974 Return, found 5 days ago
S$1,974
Return
found 5 days ago
Select United flight, departing Tue, 5 May from Ontario to Oakland, returning Tue, 12 May, priced at S$1,974 found 5 days ago
Delta
Tue, 5 May - Tue, 12 May
ONT
Ontario
OAK
Oakland
S$2,035 Return, found 5 days ago
S$2,035
Return
found 5 days ago
Select Delta flight, departing Tue, 5 May from Ontario to Oakland, returning Tue, 12 May, priced at S$2,035 found 5 days ago
Delta
Tue, 5 May - Tue, 12 May
ONT
Ontario
OAK
Oakland
S$2,054 Return, found 5 days ago
S$2,054
Return
found 5 days ago
Select Delta flight, departing Tue, 5 May from Ontario to Oakland, returning Tue, 12 May, priced at S$2,054 found 5 days ago
United
Tue, 5 May - Tue, 12 May
ONT
Ontario
OAK
Oakland
S$2,064 Return, found 5 days ago
S$2,064
Return
found 5 days ago
Select United flight, departing Tue, 5 May from Ontario to Oakland, returning Tue, 12 May, priced at S$2,064 found 5 days ago
Delta
Tue, 5 May - Tue, 12 May
ONT
Ontario
OAK
Oakland
S$2,081 Return, found 5 days ago
S$2,081
Return
found 5 days ago
Select Delta flight, departing Tue, 5 May from Ontario to Oakland, returning Tue, 12 May, priced at S$2,081 found 5 days ago
United
Tue, 5 May - Tue, 12 May
ONT
Ontario
OAK
Oakland
S$2,101 Return, found 5 days ago
S$2,101
Return
found 5 days ago
Select United flight, departing Tue, 5 May from Ontario to Oakland, returning Tue, 12 May, priced at S$2,101 found 5 days ago
Delta
Tue, 5 May - Tue, 12 May
ONT
Ontario
OAK
Oakland
S$2,130 Return, found 5 days ago
S$2,130
Return
found 5 days ago
Select Delta flight, departing Tue, 5 May from Ontario to Oakland, returning Tue, 12 May, priced at S$2,130 found 5 days ago
Delta
Tue, 5 May - Tue, 12 May
ONT
Ontario
OAK
Oakland
S$2,144 Return, found 5 days ago
S$2,144
Return
found 5 days ago
Select Delta flight, departing Tue, 5 May from Ontario to Oakland, returning Tue, 12 May, priced at S$2,144 found 5 days ago

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$1,254. 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.

Travel information

Origin airport
Ontario Intl. Airport
Destination airport
Oakland Intl.
Return price
S$1,254
Distance
578 km
Average flight time
1 hour 20 mins

Book with confidence

Perfect flights from Ontario Intl. Airport to Oakland

Your Journey from Ontario Intl. Airport to Oakland

Start your unforgettable journey with Expedia. Our broad selection of flights from Ontario Intl. Airport 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 Ontario Intl. Airport 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 Intl. Airport to Oakland Flights

Experience the joy of finding cheap flights from Ontario Intl. Airport to Oakland Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares and roundtrip prices from S$1,254*.
 

Pre-Flight Essentials

Ensure a smooth journey from Ontario Intl. Airport 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 Intl. Airport 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 Intl. Airport 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 Intl. Airport 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 Intl. Airport to Oakland with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.
Perfect flights from Ontario Intl. Airport to Oakland

Explore a world of travel with Expedia

*Available to Expedia members.