Cheap flights from Ontario to Oakland (ONT - OAK)

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The best prices from Ontario to Oakland are usually found in March or April, booked 25 days in advance, depart on a Monday 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 2021: compare Ontario to Oakland flight prices with the expected peak season, weather and rainfall in Oakland.
ONT - OAK
Price
$146 - $589
OAK
Temperature
51.8 - 66.2 °F
OAK
Precipitation
0 - 4.8 inches

Popular in

August

High demand for flights, 58% potential price rise

Cheapest in

March

Best time to find cheap flights, 40% potential price drop

Round-trip from

$146

From Ontario to Oakland

One-way from

$117

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

Leaving on a Sunday 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 76% 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 July. Prices to Oakland, California from Ontario average $134. You can even find prices in July for less than $134, as users have found deals to Oakland, California from as low as $96. The month of March 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 2%.

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 30 days before your planned departure. Booking around this time can save you about 118% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $176 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $271.

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

Unlike at noon, when flights are generally more expensive, you can save up to 55% on flights from Ontario to Oakland, California by exploring options for tickets in the morning.

Cheap flights from Ontario to Oakland in October, November 2021

The best prices found for ONT to OAK flights for October, November
30 Oct - 30 Oct
$138pp
ONT
Ontario
Frontier
 
1 STOP
OAK
Oakland
OAK
Oakland
Frontier
   
2 STOPS
ONT
Ontario
6 Nov - 8 Nov
$140pp
ONT
Ontario
Multiple Airlines
 
1 STOP
OAK
Oakland
OAK
Oakland
Frontier
 
1 STOP
ONT
Ontario
29 Oct - 1 Nov
$141pp
ONT
Ontario
Frontier
 
1 STOP
OAK
Oakland
OAK
Oakland
Frontier
 
1 STOP
ONT
Ontario

Ontario to Oakland 2021 flight deals

Cheap flights to Oakland from Ontario found for this year
30 Oct - 30 Oct
$138pp
ONT
Ontario
Frontier
 
1 STOP
OAK
Oakland
OAK
Oakland
Frontier
   
2 STOPS
ONT
Ontario
6 Nov - 8 Nov
$140pp
ONT
Ontario
Multiple Airlines
 
1 STOP
OAK
Oakland
OAK
Oakland
Frontier
 
1 STOP
ONT
Ontario
29 Oct - 1 Nov
$141pp
ONT
Ontario
Frontier
 
1 STOP
OAK
Oakland
OAK
Oakland
Frontier
 
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
30 Oct - 30 Oct
$138pp
ONT
Ontario
Frontier
 
1 STOP
OAK
Oakland
OAK
Oakland
Frontier
   
2 STOPS
ONT
Ontario
29 Oct - 1 Nov
$141pp
ONT
Ontario
Frontier
 
1 STOP
OAK
Oakland
OAK
Oakland
Frontier
 
1 STOP
ONT
Ontario
28 Oct - 31 Oct
$142pp
ONT
Ontario
Multiple Airlines
 
1 STOP
OAK
Oakland
OAK
Oakland
Frontier
 
1 STOP
ONT
Ontario

One-way flights to Oakland from Ontario

The cheapest one-way flights from Ontario to Oakland
6:10 am - 5:26 am
Alaska Airlines
1 Stop
23h 16m
ONT - OAK
Alaska Airlines
12:58 pm - 5:14 am
Delta
1 Stop
17h 16m
ONT - OAK
Delta
$127
Delta
2:43 pm - 6:19 am
Multiple Airlines
2 Stops
15h 36m
ONT - OAK
Multiple Airlines
$129
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 4 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 42m 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 American Airlines, 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 $200 on Cheapflights?

Yes, there are multiple flights from Ontario to Oakland, California for under $200. The cheapest flight booked recently is on Frontier for just $128, but on average you can expect to pay $168.

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 $128, 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 47% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Ontario to Oakland, California one-way?

$64 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Alaska Airlines and Delta, with prices starting from $117 and $127, respectively.

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: American Airlines, Alaska Airlines or JetBlue.

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

The cheapest flight price from Ontario to Oakland, California is $50. On average you can expect to pay $172. The most popular route, (Ontario - Oakland), can usually be booked for $140.

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 must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to 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 must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to 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.

Destination information for Oakland

Things to know before you go - useful duration and weather info for your trip from Ontario to Oakland.
Average temperature for October in Oakland
71.6 °F
Avg rainfall for October in Oakland
1.2 ″

Airports servicing Ontario

Airports servicing Oakland

Top 9 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
Alaska Airlines
$53 $336 No cancel fee 75%
Delta
$58 $194 No cancel fee N/A
Spirit Airlines
$86 $148 No cancel fee 65%
United Airlines
$97 $212 No cancel fee 69%
American Airlines
$127 $323 No cancel fee 71%
JetBlue
$139 $208 No cancel fee 62%
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.

Southwest
$186 $289 No cancel fee 63%
Linear Air Taxi
$1,983 $6,014 No cancel fee N/A

We couldn't confirm the COVID-19 safety measures taken by Linear Air Taxi. 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.
Morning 6 AM to noon 40% of ONT to OAK departures
Afternoon Noon to 6 PM 40% of ONT to OAK departures
Early morning Midnight to 6 AM 20% of ONT to OAK departures
Evening 6 PM to midnight 0% 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
0 flights
Monday
5 daily flights
Tuesday
5 daily flights
Wednesday
5 daily flights
Thursday
5 daily flights
Friday
5 daily flights
Saturday
4 daily flights
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