Cheap flights from Ontario to Oakland (ONT - OAK)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

The best prices from Ontario to Oakland are usually found in November or February, booked 44 days in advance, depart on a Wednesday or Tuesday and return on a Saturday

How to find the cheapest flight from
Ontario (ONT) to Oakland (OAK)

All the information you need to plan the best ONT to OAK flight in 2022: compare Ontario to Oakland flight prices with the expected peak season, weather and rainfall in Oakland.
ONT - OAK
Price
$107 - $309
OAK
Temperature
51.8 - 66.2 °F
OAK
Rainfall
0 - 4.8 inches

Popular in

January

High demand for flights, 36% potential price rise

Cheapest in

November

Best time to find cheap flights, 46% potential price drop

Round-trip from

$107

From Ontario to Oakland

One-way from

$42

One-way flight from Ontario to Oakland

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from Ontario to Oakland, California?

To save on the cost of your flight from Ontario to Oakland, California, book at least 60 days before your planned departure. Booking around this time can save you about 98% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $145 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $213.

When is the cheapest time to fly from Ontario to Oakland, California (ONT - OAK)?

Unlike in the morning, when flights are generally more expensive, you can save up to 37% on flights from Ontario to Oakland, California by exploring options for tickets at noon.

What is the cheapest day to fly round-trip from Ontario to Oakland, California?

Leaving on a Tuesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 186% on the overall cost on flights from Ontario to Oakland, California.

What is the cheapest month to fly from Ontario to Oakland, California?

The best pricing can be found in the month of January. Prices to Oakland, California from Ontario average $131. You can even find prices in January for less than $131, as users have found deals to Oakland, California from as low as $73. The month of June appears to be one of the more expensive times to travel to Oakland, California from Ontario. Flying in the targeted month can save you up to 34%.

Cheap flights from Ontario to Oakland in August, September 2022

The best prices found for ONT to OAK flights for August, September
23 Aug - 25 Aug
$90pp
ONT
Ontario
Multiple Airlines
 
1 STOP
OAK
Oakland
OAK
Oakland
Multiple Airlines
 
1 STOP
ONT
Ontario
30 Sep - 3 Oct
$93pp
ONT
Ontario
Multiple Airlines
 
1 STOP
OAK
Oakland
OAK
Oakland
Multiple Airlines
 
1 STOP
ONT
Ontario
30 Sep - 1 Oct
$94pp
ONT
Ontario
Multiple Airlines
 
1 STOP
OAK
Oakland
OAK
Oakland
Multiple Airlines
 
1 STOP
ONT
Ontario

Ontario to Oakland 2022 flight deals

Cheap flights to Oakland from Ontario found for this year
23 Aug - 25 Aug
$90pp
ONT
Ontario
Multiple Airlines
 
1 STOP
OAK
Oakland
OAK
Oakland
Multiple Airlines
 
1 STOP
ONT
Ontario
30 Sep - 3 Oct
$93pp
ONT
Ontario
Multiple Airlines
 
1 STOP
OAK
Oakland
OAK
Oakland
Multiple Airlines
 
1 STOP
ONT
Ontario
30 Sep - 1 Oct
$94pp
ONT
Ontario
Multiple Airlines
 
1 STOP
OAK
Oakland
OAK
Oakland
Multiple Airlines
 
1 STOP
ONT
Ontario

Cheap Frontier flights from Ontario to Oakland

7 Sep - 10 Sep
$159pp
ONT
Ontario
Frontier
 
1 STOP
OAK
Oakland
OAK
Oakland
Frontier
 
1 STOP
ONT
Ontario
7 Sep - 10 Sep
$160pp
ONT
Ontario
Frontier
 
1 STOP
OAK
Oakland
OAK
Oakland
Frontier
 
1 STOP
ONT
Ontario
9 Sep - 17 Sep
$164pp
ONT
Ontario
Frontier
   
2 STOPS
OAK
Oakland
OAK
Oakland
Frontier
 
1 STOP
ONT
Ontario

Cheap Alaska Airlines flights from Ontario to Oakland

15 Aug - 27 Aug
$734pp
ONT
Ontario
Alaska Airlines
 
1 STOP
OAK
Oakland
OAK
Oakland
Alaska Airlines
 
1 STOP
ONT
Ontario
18 Aug - 25 Aug
$764pp
ONT
Ontario
Alaska Airlines
 
1 STOP
OAK
Oakland
OAK
Oakland
Alaska Airlines
 
1 STOP
ONT
Ontario
18 Aug - 23 Aug
$767pp
ONT
Ontario
Alaska Airlines
 
1 STOP
OAK
Oakland
OAK
Oakland
Alaska Airlines
 
1 STOP
ONT
Ontario

Last minute flights from Ontario to Oakland

Late deals on round-trip flights to Oakland from Ontario, departing today and this week
17 Aug - 14 Sep
$105pp
ONT
Ontario
Multiple Airlines
 
1 STOP
OAK
Oakland
OAK
Oakland
Multiple Airlines
 
1 STOP
ONT
Ontario
17 Aug - 1 Sep
$116pp
ONT
Ontario
Multiple Airlines
 
1 STOP
OAK
Oakland
OAK
Oakland
Multiple Airlines
 
1 STOP
ONT
Ontario
18 Aug - 21 Aug
$127pp
ONT
Ontario
Multiple Airlines
 
1 STOP
OAK
Oakland
OAK
Oakland
Multiple Airlines
 
1 STOP
ONT
Ontario

One-way flights to Oakland from Ontario

The cheapest one-way flights from Ontario to Oakland
9:09 am - 5:10 am
Frontier
1 Stop
20h 01m
ONT - OAK
Frontier
$42
Kiwi.com
2:43 pm - 3:34 am
Multiple Airlines
1 Stop
12h 51m
ONT - OAK
Multiple Airlines
$43
Kiwi.com
9:18 am - 5:55 pm
Multiple Airlines
1 Stop
8h 37m
ONT - OAK
Multiple Airlines
$45
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Ontario</span> to <span class="emphasized">Oakland</span> flights.

Flight FAQs

From Ontario to Oakland

What airports do I use to fly from Ontario to Oakland?

If you wish to fly to Oakland from Ontario, then you need to book flights from Ontario to Oakland. There are 5 flights from Ontario (ONT) to Oakland (OAK) per day to choose from. Flights to Oakland from Ontario are available from 9 different airlines, which means you should have some options if you want to compare airfare deals. 3h 14m is how long a nonstop flight from Ontario to Oakland typically takes.

Which airlines flying from Ontario to Oakland have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Frontier, United Airlines, and Spirit Airlines flying from Ontario to Oakland have implemented new flexible cancellation policies.

Can I find flights from Ontario to Oakland, California for under $100 on Cheapflights?

Yes, there are multiple flights from Ontario to Oakland, California for under $100. The cheapest flight booked recently is on Multiple Airlines for just $90, but on average you can expect to pay $129.

Are there last-minute flights available from Ontario to Oakland, California for under $200?

There are currently 20+ open flights from Ontario to Oakland, California within the next 7 days for less than $200.

How popular is this Ontario to Oakland, California flight route?

The Ontario to Oakland flight path was viewed by 11 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What is the cheapest airline to fly from Ontario to Oakland, California round-trip?

Currently priced at $159, Frontier will fly you from Ontario to Oakland, California and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Frontier is 19% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest flights from Ontario to Oakland, California?

The cheapest flight price from Ontario to Oakland, California is $20. On average you can expect to pay $91. The most popular route, (Ontario - Oakland), can usually be booked for $90.

What are the most popular airlines that fly from Ontario to Oakland, California?

Before booking your flight from Ontario to Oakland, California check out the most popular airlines for this route: Alaska Airlines, Delta or Frontier.

COVID Restrictions

View COVID Travel Restrictions for Oakland, CA

Do I need a COVID test to fly to Oakland from Ontario?

Information is based on travel restrictions for travel to Oakland within the United States

Most visitors from Ontario need to provide a negative COVID-19 test result and/or quarantine to enter Oakland.

COVID-19 testing requirements
Visitors from Ontario are not required to present a negative COVID-19 PCR test or antigen result upon entering Oakland.

Quarantine requirements
Visitors from Ontario are not required to quarantine after entering Oakland.

Do I need a test to fly back to Ontario from Oakland?

Returning to Ontario from Oakland

COVID-19 testing requirements
Visitors from Oakland are not required to present a negative COVID-19 PCR test or antigen result upon entering Ontario.

Quarantine requirements
Visitors from Oakland are not required to quarantine after entering Ontario.

Hide COVID Travel Restrictions for Oakland, CA

Alternative routes for Ontario to Oakland

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Ontario to Oakland

The chart below displays the airlines Cheapflights users traveling from Ontario to Oakland choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Juneyao Airlines
$15 $23 No cancel fee 66%

We couldn't confirm the COVID-19 safety measures taken by Juneyao Airlines. Please check directly on their website for additional information.

Frontier
$65 $154 No cancel fee 62%
Spirit Airlines
$73 $112 No cancel fee 65%
Breeze Airways
$78 $98 No cancel fee N/A

We couldn't confirm the COVID-19 safety measures taken by Breeze Airways. Please check directly on their website for additional information.

United Airlines
$104 $284 No cancel fee 69%
Delta
$114 $188 No cancel fee N/A
JSX
$167 $311 No cancel fee N/A

We couldn't confirm the COVID-19 safety measures taken by JSX. Please check directly on their website for additional information.

Hourly flight availability from Ontario to Oakland

See what time of day planes typically take off from Ontario towards Oakland.
Afternoon Noon to 6 PM 38% of ONT to OAK departures
Morning 6 AM to noon 27% of ONT to OAK departures
Early morning Midnight to 6 AM 18% of ONT to OAK departures
Evening 6 PM to midnight 17% of ONT to OAK departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Ontario to Oakland
See how many times per day planes take to the skies headed from Ontario to Oakland.
Sunday
6 daily flights
Monday
6 daily flights
Tuesday
6 daily flights
Wednesday
6 daily flights
Thursday
6 daily flights
Friday
6 daily flights
Saturday
3 daily flights