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$94+ Cheap flights from Ontario to Oakland, CA (ONT - OAK)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — OAK
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Ontario to Oakland

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Oakland (OAK). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 21, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

August

Cheapest in

May

Round-trip from

$203
(Southwest)

One-way from

$94
(Southwest)
Provider with most accurate pricing for Ontario-Oakland flight deals.
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Provider most trusted by Cheapflights users for Ontario-Oakland flights.
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High demand for flights, 46% potential price rise
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Best time to find cheap flights, 59% potential price drop
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From Ontario to Oakland
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One-way flight from Ontario to Oakland
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Find flight deals from Ontario to Oakland

Cheapest flights from Ontario to Oakland
Explore the most affordable flight options available from Ontario to Oakland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This Southwest deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1710:10 amONT - OAK
Nonstop1h 20mSouthwest
Thu 12/196:05 amOAK - ONT
Nonstop1h 25mSouthwest
Deal found 11/20$203
This Alaska Airlines deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/137:44 pmONT - OAK
1 stop12h 26mAlaska Airlines
Fri 1/107:32 pmOAK - ONT
1 stop15h 02mAlaska Airlines
Deal found 11/21$272
This Mytrip deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2612:58 amONT - OAK
1 stop15h 21mMultiple Airlines
Tue 12/33:55 pmOAK - ONT
2 stops31h 06mMultiple Airlines
Deal found 11/21$742
This Delta deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/41:18 pmONT - OAK
1 stop10h 41mDelta
Sun 12/86:00 amOAK - ONT
1 stop18h 14mDelta
Deal found 11/20$880

Find flights from Ontario to Oakland within your budget

Customize your flight search to find flights from Ontario to Oakland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,612,795 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioOakland

ONT - OAK

ONTOAK

Ontario

Tue 12/17

10:10 am-11:30 am

Nonstop1h 20m

Oakland

Thu 12/19

6:05 am-7:30 am

Nonstop1h 25m

$203

OntarioOakland

ONT - OAK

ONTOAK

Ontario

Tue 1/7

5:44 pm-8:49 am

1 stop15h 05m

Oakland

Mon 1/13

7:32 pm-10:34 am

1 stop15h 02m

$222

OntarioOakland

ONT - OAK

ONTOAK

Ontario

Fri 3/21

12:58 am-2:39 pm

1 stop13h 41m

Oakland

Sun 3/30

11:30 pm-5:49 pm

1 stop18h 19m

$639

OntarioOakland

ONT - OAK

ONTOAK

Ontario

Wed 12/4

12:58 am-4:19 pm

1 stop15h 21m

Oakland

Sat 12/7

3:55 pm-11:01 pm

2 stops31h 06m

$832

OntarioOakland

ONT - OAK

ONTOAK

Ontario

Thu 12/12

6:30 am-7:50 am

Nonstop1h 20m

$94

OntarioOakland

ONT - OAK

ONTOAK

Ontario

Sat 2/15

11:45 am-6:50 pm

1 stop7h 05m

$111

OntarioOakland

ONT - OAK

ONTOAK

Ontario

Tue 12/24

5:30 am-11:13 pm

1 stop17h 43m

$232

OntarioOakland

ONT - OAK

ONTOAK

Ontario

Wed 3/5

12:58 am-1:51 pm

1 stop12h 53m

$290

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Compare providers for flights from Ontario to Oakland

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Oakland in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Oakland, California flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Oakland, California flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Oakland, California flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Oakland, California flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Oakland, California flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Oakland

Have a flexible travel schedule? Discover the best time to fly to Oakland from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Ontario to Oakland

Get recent, data-driven insights about flights from Ontario to Oakland including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Ontario to Oakland, California?

Currently, May is the cheapest month in which you can book a flight from Ontario to Oakland, California (average of $179). Flying from Ontario to Oakland, California in July is currently the most expensive (average of $243). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to OAK?

Find hourly flight availability from Ontario to Oakland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

Unlike at noon, when flights are generally more expensive, you can save up to 23% on flights from Ontario to Oakland, California by exploring options for tickets in the afternoon.

Rainfall in Oakland by month

Plan your trip to Oakland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Oakland, California ranges from 0.0 - 4.8 inches per month. January is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Oakland, California when rainfall is around 0.0 in.

Temperature in Oakland by month

Plan your trip to Oakland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Oakland, California, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Oakland

Get insights into the airlines that provide service to Oakland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Oakland. Reviews last updated November 21, 2024.
Read reviews from past customers who have flown Southwest, Volaris and Alaska Airlines from Ontario to Oakland. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,005 reviews

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Crew

8.7

Overall

8.1

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
5,005 reviews
Southwest
8.1
Very good
5,005 reviews

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Crew

8.7

Overall

8.1

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,464 reviews
Southwest
8.1
Very good
5,005 reviews

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Crew

8.7

Overall

8.1

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,755 reviews
Southwest
8.1
Very good
5,005 reviews

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Crew

8.7

Overall

8.1

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Volaris
6.7
Okay
1,286 reviews
Southwest
8.1
Very good
5,005 reviews

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Crew

8.7

Overall

8.1

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

Find useful and relevant information for your journey from Ontario to Oakland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 2 flights from Ontario (ONT) to Oakland (OAK) per day to choose from. Flights to Oakland from Ontario are available from 6 different airlines, which means you should have some options if you want to compare airfare deals. 1h 15m is how long a nonstop flight from Ontario to Oakland typically takes.

  • What are the cheapest airlines flying from Ontario to Oakland, California round-trip?

    Currently priced at $203, Southwest will fly you from Ontario to Oakland, California and back. In addition to Southwest, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Alaska Airlines and Volaris - these airlines can fly you to your destination from $222 and $639, respectively.

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

    $94 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on Alaska Airlines and Delta, with prices starting from $111 and $232, respectively.

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

    The cheapest flight price from Ontario to Oakland, California is $130. On average you can expect to pay $305. The most popular route, (Ontario - Oakland), can usually be booked for $187.

  • Can I find deals for flights from Ontario to Oakland that include hotel bookings?

    Yes. In addition to deals on Ontario to Oakland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Oakland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Oakland.

  • Can I find deals for business class flights from Ontario to Oakland?

    Yes. Cheapflights offers flight deals from Ontario to Oakland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Oakland, California?

    Currently, May is the cheapest month in which you can book a flight from Ontario to Oakland, California (average of $179). Flying from Ontario to Oakland, California in July is currently the most expensive (average of $243). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 6 airlines flying from Ontario to Oakland

Discover the top 6 airlines that operate flights from Ontario to Oakland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,612,795 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$32Average$68FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$48Average$81FlexibilityNo cancel feeOn-time65%
DeltaCheapest$50Average$199FlexibilityNo cancel feeOn-timeN/A
Breeze AirwaysCheapest$73Average$178FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$74Average$386FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$192Average$271FlexibilityNo cancel feeOn-time63%
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