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$134+ Cheap flights from Oakland (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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — YYZ
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
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 November 20, 2024.

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 November 20, 2024.

This Kiwi.com deal was found by Cheapflights users on 11/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/35:30 amOAK - YYZ
2 stops10h 51mMultiple Airlines
Wed 12/118:00 pmYYZ - OAK
1 stop16h 25mMultiple Airlines
Deal found 11/19$270
This Mytrip deal was found by Cheapflights users on 11/19. 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.
Tue 12/35:30 amOAK - YTZ
2 stops11h 35mMultiple Airlines
Wed 12/114:10 pmYTZ - OAK
2 stops20h 15mMultiple Airlines
Deal found 11/19$300
This Mytrip deal was found by Cheapflights users on 11/19. 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.
Wed 12/412:00 pmOAK - YUL
2 stops20h 10mMultiple Airlines
Wed 12/112:35 pmYUL - OAK
3 stops27h 05mMultiple Airlines
Deal found 11/19$331
This Mytrip deal was found by Cheapflights users on 11/19. 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.
Tue 12/175:25 amOAK - YOW
2 stops16h 17mMultiple Airlines
Thu 1/22:50 pmYOW - OAK
2 stops21h 39mMultiple Airlines
Deal found 11/19$378
This Delta deal was found by Cheapflights users on 11/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/136:00 amOAK - YYZ
1 stop6h 59mDelta
Sun 12/155:04 pmYYZ - OAK
1 stop10h 10mDelta
Deal found 11/19$505
This Alaska Airlines deal was found by Cheapflights users on 11/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/97:29 pmOAK - YYZ
2 stops16h 26mAlaska Airlines
Fri 12/134:20 pmYYZ - OAK
2 stops18h 50mAlaska Airlines
Deal found 11/19$509
This Delta deal was found by Cheapflights users on 11/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/712:55 pmOAK - YUL
2 stops19h 51mDelta
Wed 12/116:00 amYUL - OAK
2 stops21h 14mDelta
Deal found 11/19$608

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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Sat 1/18

5:34 pm-5:55 am

1 stop9h 21m

Toronto Pearson Intl

Wed 1/29

8:00 pm-6:47 am

1 stop13h 47m

$261

OaklandToronto

OAK - YTZ

OAKYTZ

Oakland

Tue 12/3

5:30 am-8:05 pm

2 stops11h 35m

Toronto Island

Wed 12/11

4:10 pm-9:25 am

2 stops20h 15m

$300

OaklandMontreal

OAK - YUL

OAKYUL

Oakland

Wed 12/4

12:00 pm-11:10 am

2 stops20h 10m

Montreal Pierre Elliott Trudeau Intl

Wed 12/11

2:35 pm-2:40 pm

3 stops27h 05m

$331

OaklandOttawa

OAK - YOW

OAKYOW

Oakland

Tue 12/17

5:25 am-12:42 am

2 stops16h 17m

Ottawa

Thu 1/2

2:50 pm-9:29 am

2 stops21h 39m

$378

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Tue 1/21

7:46 pm-3:05 pm

1 stop16h 19m

Toronto Pearson Intl

Tue 1/28

4:20 pm-8:49 am

2 stops19h 29m

$394

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Fri 12/13

6:00 am-3:59 pm

1 stop6h 59m

Toronto Pearson Intl

Sun 12/15

5:04 pm-12:14 am

1 stop10h 10m

$505

OaklandMontreal

OAK - YUL

OAKYUL

Oakland

Sat 12/7

12:55 pm-11:46 am

2 stops19h 51m

Montreal Pierre Elliott Trudeau Intl

Tue 12/10

7:00 am-4:16 pm

2 stops36h 16m

$608

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Mon 1/6

9:25 pm-5:55 am

1 stop29h 30m

$134

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Mon 1/6

9:46 am-3:05 pm

2 stops26h 19m

$203

OaklandToronto

OAK - YTZ

OAKYTZ

Oakland

Mon 1/6

9:25 pm-8:30 pm

2 stops20h 05m

$205

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

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 $242). 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 November 20, 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 November 20, 2024.
Get a feel of what it's like to fly with Alaska Airlines and Delta 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
9,461 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.2

Reviews

1 / 10

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

Alaska Airlines
8.0
Very good
9,461 reviews
Alaska Airlines
8.0
Very good
9,461 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.2

Reviews

1 / 10

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

Delta
8.0
Very good
8,756 reviews
Alaska Airlines
8.0
Very good
9,461 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.2

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 $242). 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$566Average$682FlexibilityNo cancel feeOn-timeN/A
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