HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Oakland

$116+ Cheap flights from Ontario to Oakland, CA (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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — OAK
févr. 25 — mars 41
mar. 2/25
mar. 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Oakland with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to Oakland

Keep the following information in mind while searching for Ontario to Oakland flight deals. Data was last updated février 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$237
(Kiwi.com)

One-way from

$116
(Mytrip)

Popular in

July

Cheapest in

February

Average price

$362
Provider with most accurate pricing for Toronto (YTO)-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Toronto (YTO)-San Francisco flights.
Search Deals
From Ontario to Oakland
Search Deals
One-way flight from Ontario to Oakland
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

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 février 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 2/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 4/68:00 pmYYZ - OAK
1 stop13h 36mMultiple Airlines
dim. 4/136:40 pmOAK - YYZ
2 stops27h 00mMultiple Airlines
Deal found 2/20$237
This Mytrip deal was found by Cheapflights users on 2/19. 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.
dim. 4/139:55 amYUL - OAK
3 stops34h 50mMultiple Airlines
lun. 4/216:40 pmOAK - YUL
3 stops26h 59mMultiple Airlines
Deal found 2/19$391
This Delta deal was found by Cheapflights users on 2/20. 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.
jeu. 4/2412:15 pmYYZ - OAK
2 stops14h 28mDelta
jeu. 5/16:00 amOAK - YYZ
1 stop7h 38mDelta
Deal found 2/20$415
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/74:30 pmYYZ - OAK
1 stop10h 13mAlaska Airlines
lun. 4/146:43 amOAK - YYZ
1 stop28h 57mAlaska Airlines
Deal found 2/20$474
This Delta deal was found by Cheapflights users on 2/20. 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.
mer. 3/512:52 pmYUL - OAK
2 stops38h 04mDelta
lun. 3/105:15 pmOAK - YUL
2 stops27h 44mDelta
Deal found 2/20$515

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 2,558,603 searches. Data last updated février 20, 2025.

Fly from

Ontario

Fly to

Oakland

Route

Depart

Return

Price

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

dim. 4/6

8:00 pm-6:36 am

1 stop13h 36m

Oakland

dim. 4/13

6:40 pm-12:40 am

2 stops27h 00m

$237

MontrealOakland

YUL - OAK

YULOAK

Montreal Pierre Elliott Trudeau Intl

dim. 4/13

9:55 am-5:45 pm

3 stops34h 50m

Oakland

lun. 4/21

6:40 pm-12:39 am

3 stops26h 59m

$391

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

jeu. 4/24

12:15 pm-11:43 pm

2 stops14h 28m

Oakland

jeu. 5/1

6:00 am-4:38 pm

1 stop7h 38m

$415

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

lun. 4/7

4:30 pm-11:43 pm

1 stop10h 13m

Oakland

lun. 4/14

6:43 am-2:40 pm

1 stop28h 57m

$474

MontrealOakland

YUL - OAK

YULOAK

Montreal Pierre Elliott Trudeau Intl

mer. 3/5

12:52 pm-11:56 pm

2 stops38h 04m

Oakland

lun. 3/10

5:15 pm-11:59 pm

2 stops27h 44m

$515

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

mer. 4/9

8:00 pm-6:49 am

1 stop13h 49m

$116

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

ven. 3/21

4:20 pm-11:43 pm

1 stop10h 23m

$225

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

dim. 4/6

10:20 am-11:46 pm

2 stops16h 26m

$269

MontrealOakland

YUL - OAK

YULOAK

Montreal Pierre Elliott Trudeau Intl

mer. 7/16

7:30 am-11:43 pm

2 stops19h 13m

$315

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

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 Region of Ontario to Oakland, California?

Currently, April is the cheapest month in which you can book a flight from Region of Ontario to Oakland, California (average of $183). Flying from Region of Ontario to Oakland, California in November is currently the most expensive (average of $259). 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.

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 février 20, 2025.
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Alaska Airlines
8.0
Very good
9,692 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Delta
8.0
Very good
8,220 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

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 airport do you fly into for flights to Oakland from Ontario?

    Most people fly into Oakland (OAK) if they book a flight to Oakland from Ontario. Oakland is conveniently located just 7.0 mi from Oakland’s city center.

  • What are the most popular routes from Region of Ontario to Oakland, California?

    While some choose either Ottawa - Oakland or Montreal Pierre Elliott Trudeau Intl - Oakland, Toronto Pearson Intl - Oakland is the most popular route from Region of Ontario to Oakland, California.

  • 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 Region of Ontario to Oakland, California?

    Currently, April is the cheapest month in which you can book a flight from Region of Ontario to Oakland, California (average of $183). Flying from Region of Ontario to Oakland, California in November is currently the most expensive (average of $259). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Oakland

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Las Vegas flights
Vancouver Intl to Las Vegas flights
Pearson Intl to Los Angeles flights
Vancouver Intl to Los Angeles flights
Vancouver Intl to San Francisco flights
Pearson Intl to San Francisco flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Vancouver Intl to Palm Springs flights
Vancouver Intl to San Diego flights
Calgary to Los Angeles flights
Calgary to Las Vegas flights
Pearson Intl to San Diego flights
Vancouver Intl to Ontario flights
Vancouver Intl to Santa Ana flights
Pierre Elliott Trudeau Intl to San Francisco flights
Winnipeg to Las Vegas flights
Abbotsford to Las Vegas flights
Edmonton to Las Vegas flights
Abbotsford to Los Angeles flights
Edmonton to Los Angeles flights
Pearson Intl to Ontario flights
Pearson Intl to Palm Springs flights
Ottawa to Las Vegas flights
Vancouver Intl to Sacramento flights
Toronto Island to Los Angeles flights
Region of Waterloo Intl to Las Vegas flights
Edmonton to Palm Springs flights
Pierre Elliott Trudeau Intl to Ontario flights
Calgary to San Francisco flights
Abbotsford to San Francisco flights
Victoria to Las Vegas flights
Québec City to Las Vegas flights
Calgary to Palm Springs flights
Pearson Intl to San Jose flights
Toronto Island to San Francisco flights
Calgary to Santa Ana flights
Calgary to Ontario flights
Edmonton to San Francisco flights
Pierre Elliott Trudeau Intl to San Diego flights
Saskatoon to Las Vegas flights
Winnipeg to Los Angeles flights
Vancouver Intl to Fresno flights
Abbotsford to Palm Springs flights
Vancouver Intl to San Jose flights
Ottawa to Los Angeles flights
Pearson Intl to Sacramento flights
Pearson Intl to Santa Ana flights
Region of Waterloo Intl to San Francisco flights
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.