Cheap Flight Tickets from Oakland (OAK) to Ontario (ONT), Starting at $165

Good to Know: Cheapest and Fastest OAK - ONT Flights

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

Cheapest Round Trip Flight

$165

WN Southwest Airlines • 1 stop • 24h

Sep 19 – Sep 20

The cheapest round trip flight from Oakland to Ontario (OAK-ONT-OAK) is currently $165

🔍 Search Flights

Cheapest Direct Flight

$367

WN Southwest Airlines • nonstop • 2h 5m

Sep 19

The cheapest nonstop flight from Oakland to Ontario (OAK-ONT) is currently $367

🔍 Search Flights

Fastest Flight

2h

The fastest nonstop flight from Oakland to Ontario (OAK-ONT) takes 2h

Top Airlines Flying from Oakland to Ontario

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

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

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

Sep 19 - Sep 20, Economy
WN
Oakland → Ontario
24h
4:50 PM - 7:30 AM • 1 stop
WN
Oakland → Ontario
15h
10:05 AM - 7:05 PM • 2 stops
$165
Southwest Airlines
Sep 19 - Sep 20, Economy
WN
Oakland → Ontario
20h 45m
6:45 PM - 7:30 AM • 1 stop
WN
Oakland → Ontario
15h
10:05 AM - 7:05 PM • 2 stops
$165
Southwest Airlines
Sep 19 - Sep 20, Economy
F9
Oakland → Ontario
37h 15m
12:47 PM - 11:22 AM • 1 stop
F9
Oakland → Ontario
20h 58m
8:24 PM - 9:22 AM • 1 stop
$202
Frontier Airlines
Sep 19 - Sep 20, Economy
F9
Oakland → Ontario
5h 47m
12:47 PM - 4:34 PM • 1 stop
F9
Oakland → Ontario
15h 56m
8:00 AM - 5:56 PM • 1 stop
$202
Frontier Airlines
Sep 19 - Sep 20, Economy
F9
Oakland → Ontario
30h 17m
12:47 PM - 7:04 AM • 1 stop
F9
Oakland → Ontario
20h 58m
8:24 PM - 9:22 AM • 1 stop
$202
Frontier Airlines
Sep 19 - Sep 20, Economy
WN
Oakland → Ontario
2h 5m
6:40 AM - 8:05 AM • nonstop
WN
Oakland → Ontario
1h 55m
6:00 AM - 7:15 AM • nonstop
$367
Southwest Airlines

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

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

FAQs on Oakland to Ontario Flights

What are the airports in Oakland?
OAK
What’s the most popular airline flying from OAK to ONT?
The most popular airline flying from Oakland to Ontario are
Can I fly from OAK to ONT non-stop?
Yes, you can fly OAK to ONT non-stop on
Which airlines fly nonstop between Oakland and Ontario?
The non-stop flights between Oakland and Ontario are .
What’s the earliest departure time from OAK to ONT Airport?
The earliest flight leaves OAK at 6:30 am and lands in ONT - Ontario International
What are the airports in Ontario?
ONT
Can I make changes to my Oakland to Ontario 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 OAK to ONT?
Read the fare rules of the Oakland to Ontario 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 Oakland and Ontario?
operate flights between Oakland and Ontario
How long does a flight from Oakland to Ontario take?
It takes approximately 1 hour to fly non-stop from OAK to ONT, which is 361.9 miles by air.
Which airlines provide the cheapest flights from Oakland (OAK) to Ontario (ONT) ?
In the past couple of days, the cheapest tickets to ONT from OAK were found on F9 : USD 202
Do I need a passport to fly between OAK and ONT?
No
What’s the latest departure time from OAK to ONT ?
The last flight leaves OAK at 6:45 pm

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

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

More Flight Options for Oakland (OAK) and Ontario (ONT)

Why Fareleaders for OAK to ONT Plane Tickets

Lowest Prices
Lowest Prices
Uncover the best deals on Oakland to Ontario flights by comparing fares from hundreds of airlines and agencies.
New Deals
New Deals Everyday
Get the best prices on OAK to ONT flights—we update our fares daily so you never miss a saving.
Best Travel Options
No Service Fees
Compare hundreds of Oakland to Ontario flights and secure the best deals—we never add any service fees.
Get Fare Drop Alert
Be the first to know when fares drop for the Oakland (OAK) to Ontario (ONT)
Terms and Conditions*