Cheap Flight Tickets from Ontario (ONT) to Oakland (OAK), Starting at $226

Good to Know: Cheapest and Fastest ONT - OAK Flights

Useful information for finding best airline tickets from Ontario International to Metropolitan Oakland International on your next trip.

Cheapest Round Trip Flight

$636

AS Alaska Airlines • 2 stops • 33h 58m

Aug 07 – Aug 09

The cheapest round trip flight from Ontario to Oakland (ONT-OAK-ONT) is currently $636

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Cheapest Direct Flight

$226

WN Southwest Airlines • nonstop • 2h

Sep 24

The cheapest nonstop flight from Ontario to Oakland (ONT-OAK) is currently $226

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Fastest Flight

1h 55m

The fastest nonstop flight from Ontario to Oakland (ONT-OAK) takes 1h 55m

Top Airlines Flying from Ontario to Oakland

Delta Airline, DL

Delta Airlines

Alaska Airlines -AS

Alaska Airlines

Southwest Airlines-WN

Southwest Airlines

Latest Flight Deals from Ontario (ONT) to Oakland (OAK)

Compare and book low fare round-trip air tickets from Ontario to Oakland. Ideal for travelers with confirmed return itineraries.

Aug 07 - Aug 09, Economy
AS
Ontario → Oakland
33h 58m
5:32 PM - 2:10 PM • 2 stops
AS
Ontario → Oakland
35h 53m
8:10 PM - 6:03 PM • 2 stops
$636
Alaska Airlines
Aug 07 - Aug 09, Economy
AS
Ontario → Oakland
25h 54m
5:32 PM - 9:26 AM • 2 stops
AS
Ontario → Oakland
35h 53m
8:10 PM - 6:03 PM • 2 stops
$636
Alaska Airlines
Aug 07 - Aug 09, Economy
DL
Ontario → Oakland
16h 54m
6:00 AM - 4:14 PM • 1 stop
DL
Ontario → Oakland
25h 52m
5:00 PM - 8:52 AM • 1 stop
$765
Delta Airlines
Aug 07 - Aug 09, Economy
DL
Ontario → Oakland
23h 33m
9:43 AM - 11:56 PM • 1 stop
DL
Ontario → Oakland
25h 52m
5:00 PM - 8:52 AM • 1 stop
$765
Delta Airlines
Aug 07 - Aug 09, Economy
DL
Ontario → Oakland
17h 30m
1:06 PM - 11:56 PM • 1 stop
DL
Ontario → Oakland
25h 52m
5:00 PM - 8:52 AM • 1 stop
$765
Delta Airlines
Aug 07 - Aug 09, Economy
DL
Ontario → Oakland
15h 54m
6:20 AM - 4:14 PM • 2 stops
DL
Ontario → Oakland
10h 37m
6:00 AM - 12:37 PM • 1 stop
$1035
Delta Airlines

Fly from Ontario to Oakland with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Ontario to Oakland? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Ontario to Oakland Flights

What are the airports in Ontario?
ONT
What’s the most popular airline flying from ONT to OAK?
The most popular airline flying from Ontario to Oakland are
Can I fly from ONT to OAK non-stop?
Yes, you can fly ONT to OAK non-stop on
Which airlines fly nonstop between Ontario and Oakland?
The non-stop flights between Ontario and Oakland are .
What’s the earliest departure time from ONT to OAK Airport?
The earliest flight leaves ONT at 6:00 am and lands in OAK - Metropolitan Oakland International
What are the airports in Oakland?
OAK
Can I make changes to my Ontario to Oakland flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from ONT to OAK?
Read the fare rules of the Ontario to Oakland air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Ontario and Oakland?
operate flights between Ontario and Oakland
How long does a flight from Ontario to Oakland take?
It takes approximately 1 hour to fly non-stop from ONT to OAK, which is 361.9 miles by air.
Which airlines provide the cheapest flights from Ontario (ONT) to Oakland (OAK) ?
In the past couple of days, the cheapest tickets to OAK from ONT were found on DL : USD 765
Do I need a passport to fly between ONT and OAK?
No
What’s the latest departure time from ONT to OAK ?
The last flight leaves ONT at 6:10 pm

Essential Information for Booking Flights from Ontario (ONT) - AI Insights

What's the cheapest airline from ont to oak?
You can find affordable flights from Ontario to Oakland on Alaska Airlines. For a round-trip journey with 3 passengers in Premium Economy class, consider booking at least 31 days in advance. This airline offers budget-friendly airfares and is a popular choice for travelers.
What's the popular airline to fly from ont to oak?
You can fly from Ontario International Airport (ONT) to Metropolitan Oakland International Airport (OAK) on Southwest Airlines. For a round-trip Premium Economy ticket, you can expect budget-friendly airfares with 2 stops. Booking at least 31 days in advance may help secure low fares for your July weekend getaway.
What's the cheapest day of the week to fly from ont to oak?
The cheapest day to fly from Ontario International Airport (ONT) to Metropolitan Oakland International Airport (OAK) is Thursday. Flying on this day can result in budget-friendly flights, making it a cost-effective option for your round-trip journey. You can find affordable airfares and enjoy enhanced comfort with Premium Economy amenities.
What's the cheapest month to fly from ont to oak?
The cheapest month to fly from Ontario International Airport (ONT) to Metropolitan Oakland International Airport (OAK) is November. Booking in advance can help you secure affordable airfares, which are often available at lower prices during this time. Consider flying on a weekend for added savings.
Which airline/airlines fly from ont to oak?
Frontier Airlines (F9) and United Airlines (UA) offer flights from Ontario International Airport to Metropolitan Oakland International Airport. You can find budget-friendly options on these airlines' websites or through a travel agency.
What is the cheapest airfare from Ontario International to Metropolitan Oakland International for a round trip with 3 passengers?
You can find affordable flights with airlines like Alaska Airlines, which offers premium economy seats. Book your flight in advance to get the best deals on airfares.
How far in advance can I book my flights to get the best deals on airfares?
It's recommended to book your flights at least 31 days in advance for the best prices.
Is it possible to find affordable flights with airlines that offer premium economy seats?
Yes, you can use our website to compare prices and find the cheapest flights for your weekend getaway. We feature airlines like Alaska Airlines that offer premium economy seats.
Can I use your website to compare prices and find the cheapest flights for my weekend getaway?
Our website allows you to compare prices and find the best deals on airfares from various airlines, including Southwest Airlines.
What is the process for booking flights through your airline search engine?
To book flights, simply enter your travel dates and destinations into our search engine. You can also use our website to compare prices and find the cheapest flights.
Are there any discounts or promotions available for busco travelers on your website?
Yes, we offer exclusive discounts for busco travelers. Use our website to find the best deals on airfares.
How can I ensure I'm getting the best fares with airfares from your website?
To get the best fares, book your flights in advance and use our website's advanced search features to compare prices across multiple airlines.

Ontario (ONT) to Oakland (OAK): Airport Information

Origin Airport Ontario International , Ontario, US
Destination Airport Metropolitan Oakland International , Oakland, US
Distance 362 miles

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