Cheap Flight Tickets from Ontario (ONT) to Oakland (OAK), Starting at $118

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

$242

F9 Frontier Airlines • 1 stop • 15h 56m

Sep 18 – Sep 23

The cheapest round trip flight from Ontario to Oakland (ONT-OAK-ONT) is currently $242

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Cheapest One way Flight

$118

WN Southwest Airlines • nonstop • 1h 55m

Sep 23

The cheapest one way flight from Ontario to Oakland (ONT-OAK) is currently $118

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Cheapest Direct Flight

$291

WN Southwest Airlines • nonstop • 1h 55m

Sep 20

The cheapest nonstop flight from Ontario to Oakland (ONT-OAK) is currently $291

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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

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

Alaska Airlines -AS

Alaska 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.

Sep 18 - Sep 23, Economy
F9
Ontario → Oakland
15h 56m
8:00 AM - 5:56 PM • 1 stop
F9
Ontario → Oakland
6h 52m
12:47 PM - 4:59 PM • 1 stop
$242
Frontier Airlines
Sep 18 - Sep 23, Economy
F9
Ontario → Oakland
25h 27m
8:24 PM - 11:51 AM • 1 stop
F9
Ontario → Oakland
6h 52m
12:47 PM - 4:59 PM • 1 stop
$242
Frontier Airlines
Sep 18 - Sep 23, Economy
F9
Ontario → Oakland
35h 21m
2:30 PM - 11:51 AM • 1 stop
F9
Ontario → Oakland
6h 52m
12:47 PM - 4:59 PM • 1 stop
$242
Frontier Airlines
Sep 18 - Sep 23, Economy
F9
Ontario → Oakland
5h 26m
2:30 PM - 5:56 PM • 1 stop
F9
Ontario → Oakland
6h 52m
12:47 PM - 4:59 PM • 1 stop
$242
Frontier Airlines
Sep 20 - Sep 20, Economy
WN
Ontario → Oakland
1h 55m
2:50 PM - 4:05 PM • nonstop
WN
Ontario → Oakland
2h 10m
9:55 PM - 11:25 PM • nonstop
$291
Southwest Airlines
Sep 19 - Sep 19, Economy
AS
Ontario → Oakland
15h 18m
7:12 AM - 4:30 PM • 1 stop
AS
Ontario → Oakland
25h 25m
7:51 PM - 11:16 AM • 1 stop
$733
Alaska 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 5:45 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 WN : USD 118
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 8:24 pm

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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