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$96+ Cheap flights from Oakland, CA (OAK) to Ontario

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 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — YYZ
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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Cheap flight deals from Oakland to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Oakland (OAK) to Ontario (CAON). 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 December 18, 2024.

Round-trip from

$237
(Kiwi.com)

One-way from

$96
(Mytrip)
From Oakland to Ontario
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One-way flight from Oakland to Ontario
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Find flight deals from Oakland to Ontario

Cheapest flights from Oakland to Ontario
Explore the most affordable flight options available from Oakland to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This Mytrip deal was found by Cheapflights users on 12/17. 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.
Sat 12/285:30 amOAK - YUL
1 stop8h 05mMultiple Airlines
Fri 1/102:35 pmYUL - OAK
3 stops22h 15mMultiple Airlines
Deal found 12/17$521
This Mytrip deal was found by Cheapflights users on 12/17. 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.
Wed 12/252:04 pmOAK - YYZ
3 stops13h 31mMultiple Airlines
Sun 1/127:25 pmYYZ - OAK
1 stop14h 22mMultiple Airlines
Deal found 12/17$524
This Alaska Airlines deal was found by Cheapflights users on 12/17. 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.
Thu 12/268:27 amOAK - YYZ
2 stops27h 40mAlaska Airlines
Sun 1/124:20 pmYYZ - OAK
1 stop19h 46mAlaska Airlines
Deal found 12/17$709
This Mytrip deal was found by Cheapflights users on 12/17. 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.
Thu 12/1910:24 amOAK - YOW
3 stops34h 46mMultiple Airlines
Mon 1/136:30 amYOW - OAK
3 stops20h 06mMultiple Airlines
Deal found 12/17$712
This Delta deal was found by Cheapflights users on 12/17. 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.
Tue 12/2412:52 pmOAK - YYZ
2 stops28h 09mDelta
Sun 1/125:00 pmYYZ - OAK
1 stop9h 56mDelta
Deal found 12/17$731
This Delta deal was found by Cheapflights users on 12/17. 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.
Mon 12/3012:49 pmOAK - YUL
2 stops31h 20mDelta
Wed 1/84:50 pmYUL - OAK
2 stops34h 06mDelta
Deal found 12/17$769

Find flights from Oakland to Ontario within your budget

Customize your flight search to find flights from Oakland to Ontario 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 December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Fri 1/10

7:42 am-6:46 am

1 stop20h 04m

Toronto Pearson Intl

Tue 1/14

6:30 am-7:25 pm

2 stops15h 55m

$237

OaklandOttawa

OAK - YOW

OAKYOW

Oakland

Sat 2/1

7:42 am-12:40 am

2 stops13h 58m

Ottawa

Sat 2/8

8:00 am-9:35 pm

2 stops16h 35m

$323

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Mon 1/13

7:46 pm-3:05 pm

1 stop16h 19m

Toronto Pearson Intl

Wed 1/22

4:20 pm-9:06 am

1 stop19h 46m

$357

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Fri 1/10

6:00 am-3:52 pm

1 stop6h 52m

Toronto Pearson Intl

Mon 1/13

5:00 pm-11:56 pm

1 stop9h 56m

$419

OaklandToronto

OAK - YTZ

OAKYTZ

Oakland

Tue 1/21

7:02 pm-9:20 pm

2 stops23h 18m

Toronto Island

Tue 1/28

4:10 pm-9:35 pm

3 stops32h 25m

$428

OaklandMontreal

OAK - YUL

OAKYUL

Oakland

Sat 12/28

5:30 am-4:35 pm

1 stop8h 05m

Montreal Pierre Elliott Trudeau Intl

Fri 1/10

2:35 pm-9:50 am

3 stops22h 15m

$521

OaklandMontreal

OAK - YUL

OAKYUL

Oakland

Mon 12/30

12:49 pm-11:09 pm

2 stops31h 20m

Montreal Pierre Elliott Trudeau Intl

Wed 1/8

4:50 pm-11:56 pm

2 stops34h 06m

$769

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Sun 1/19

11:37 am-5:55 am

1 stop15h 18m

$96

OaklandToronto

OAK - YTZ

OAKYTZ

Oakland

Sun 1/12

5:45 am-6:53 pm

2 stops10h 08m

$117

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Mon 1/13

7:46 pm-3:05 pm

1 stop16h 19m

$151

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 12 results
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Best time to book a flight from Oakland to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Oakland 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 Oakland to Ontario

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

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

Currently, January is the cheapest month in which you can book a flight from Oakland, California to Region of Ontario (average of $243). Flying from Oakland, California to Region of Ontario in July is currently the most expensive (average of $359). 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 OAK to ON?

Find hourly flight availability from Oakland to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Oakland, California to Region of Ontario as you normally would.

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Region of Ontario ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated December 18, 2024.
Get a feel of what it's like to fly with Delta and Alaska Airlines from Oakland to Ontario by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,554 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.2

Boarding

8.2

Entertainment

7.1

Reviews

1 / 10

Could not watch a movie, asked for help. Could not get extra cookies

Alaska Airlines
8.0
Very good
9,554 reviews
Alaska Airlines
8.0
Very good
9,554 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.2

Boarding

8.2

Entertainment

7.1

Reviews

1 / 10

Could not watch a movie, asked for help. Could not get extra cookies

Delta
8.0
Very good
8,604 reviews
Alaska Airlines
8.0
Very good
9,554 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.2

Boarding

8.2

Entertainment

7.1

Reviews

1 / 10

Could not watch a movie, asked for help. Could not get extra cookies

Related info for your journey

Find useful and relevant information for your journey from Oakland to Ontario. 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 from for flights from Oakland to Ontario?

    For a flight from Oakland to Ontario, you will be flying from Oakland. Oakland (OAK) is just 7.0 mi from the center of the city.

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

    The most popular route from Oakland, California to Region of Ontario is Oakland - Toronto Pearson Intl. You may also consider Oakland - Montreal Pierre Elliott Trudeau Intl or Oakland - Toronto Island.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Oakland to Ontario 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 Oakland, California to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Oakland, California to Region of Ontario (average of $243). Flying from Oakland, California to Region of Ontario in July is currently the most expensive (average of $359). 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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Alternative routes for Oakland to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Oakland to Ontario

Discover the top airline that operate flights from Oakland to Ontario. 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 2,558,603 searches. Data last updated December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$566Average$682FlexibilityNo cancel feeOn-timeN/A
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