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Oakland

$164+ 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 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — OAK
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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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 junio 12, 2025.

Round-trip from

$308
(Kiwi.com)

One-way from

$164
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$377
From Ontario to Oakland
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One-way flight from Ontario to Oakland
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Highest demand for flights based on searches. 5% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 junio 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
mar. 7/112:00 pmYYZ - OAK
2 stops14h 26mMultiple Airlines
mar. 7/156:00 amOAK - YYZ
1 stop8h 20mMultiple Airlines
Deal found 6/10$308
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
mié. 10/18:55 amYOW - OAK
1 stop17h 44mMultiple Airlines
mar. 10/77:48 pmOAK - YOW
2 stops11h 33mMultiple Airlines
Deal found 6/11$336
This Delta deal was found by Cheapflights users on 6/11. 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.
mié. 7/236:05 pmYYZ - OAK
2 stops8h 50mDelta
sáb. 8/26:00 amOAK - YYZ
1 stop7h 40mDelta
Deal found 6/11$367
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
vie. 10/104:45 pmYYZ - OAK
1 stop10h 14mAlaska Airlines
lun. 10/206:40 amOAK - YYZ
1 stop29h 20mAlaska Airlines
Deal found 6/10$368
This Mytrip deal was found by Cheapflights users on 6/11. 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.
mar. 10/213:10 pmYUL - OAK
2 stops21h 01mMultiple Airlines
vie. 10/241:08 pmOAK - YUL
2 stops32h 33mMultiple Airlines
Deal found 6/11$450
This Delta deal was found by Cheapflights users on 6/11. 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.
lun. 8/186:55 pmYUL - OAK
2 stops24h 21mDelta
lun. 8/254:58 pmOAK - YUL
2 stops27h 55mDelta
Deal found 6/11$452
This Travelocity deal was found by Cheapflights users on 6/10. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/106:00 amYKF - OAK
2 stops16h 16mMultiple Airlines
lun. 10/206:40 amOAK - YKF
2 stops15h 05mMultiple Airlines
Deal found 6/10$541
This Travelocity deal was found by Cheapflights users on 6/10. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/106:00 amYHM - OAK
2 stops16h 16mMultiple Airlines
lun. 10/206:40 amOAK - YHM
2 stops15h 00mMultiple Airlines
Deal found 6/10$559

Cheapflights Fare Finder

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 junio 12, 2025.
Use the filters below to find and compare flights from Ontario to Oakland that are best for you.

Fly from

Ontario

Fly to

Oakland

Route

Depart

Return

Price

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

mar. 7/1

12:00 pm-11:26 pm

2 stops14h 26m

Oakland

mar. 7/15

6:00 am-5:20 pm

1 stop8h 20m

$308

OttawaOakland

YOW - OAK

YOWOAK

Ottawa

mié. 10/1

8:55 am-11:39 pm

1 stop17h 44m

Oakland

mar. 10/7

7:48 pm-10:21 am

2 stops11h 33m

$336

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

mié. 7/23

6:05 pm-11:55 pm

2 stops8h 50m

Oakland

sáb. 8/2

6:00 am-4:40 pm

1 stop7h 40m

$367

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

vie. 10/10

4:45 pm-11:59 pm

1 stop10h 14m

Oakland

lun. 10/20

6:40 am-3:00 pm

1 stop29h 20m

$368

MontrealOakland

YUL - OAK

YULOAK

Montreal Pierre Elliott Trudeau Intl

mar. 10/21

3:10 pm-9:11 am

2 stops21h 01m

Oakland

vie. 10/24

1:08 pm-12:41 am

2 stops32h 33m

$450

MontrealOakland

YUL - OAK

YULOAK

Montreal Pierre Elliott Trudeau Intl

lun. 8/18

6:55 pm-4:16 pm

2 stops24h 21m

Oakland

lun. 8/25

4:58 pm-11:53 pm

2 stops27h 55m

$452

TorontoOakland

YKF - OAK

YKFOAK

Toronto Region of Waterloo Intl

vie. 10/10

6:00 am-7:16 pm

2 stops16h 16m

Oakland

lun. 10/20

6:40 am-12:45 am

2 stops15h 05m

$541

HamiltonOakland

YHM - OAK

YHMOAK

Hamilton

vie. 10/10

6:00 am-7:16 pm

2 stops16h 16m

Oakland

lun. 10/20

6:40 am-12:40 am

2 stops15h 00m

$559

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

mié. 7/16

2:00 pm-11:33 pm

2 stops12h 33m

$164

TorontoOakland

YKF - OAK

YKFOAK

Toronto Region of Waterloo Intl

mié. 7/16

6:00 am-12:27 pm

2 stops33h 27m

$171

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 16 results
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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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Oakland

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 junio 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and Sun Country Air from Ontario to Oakland to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Sun Country Air
6.9
Okay
345 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 cheapest airlines to fly from Region of Ontario to Oakland, California one-way?

    The cheapest airlines for a one-way flight from Region of Ontario to Oakland, California are Sun Country Air ($199), Delta ($212), and Alaska Airlines ($275).

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

    While some choose either Toronto Region of Waterloo Intl - 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

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See prices for flight routes from nearby airports that may be better suited for you.
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