How long is the flight from Region of Ontario to Oakland, California?

Departing from Region of Ontario to Oakland, California will take you 8h 45m. The distance from Region of Ontario to Oakland, California is about 3610 km. Both multi-stop and direct flights can be found to your destination and back.

In terms of precipitation, rainfall in Oakland, California ranges from 0.0 - 122.0 mm per month. January is typically the wettest month, when rainfall can reach 122.0 mm. July is typically the driest time to visit Oakland, California when rainfall is around 0.0 mm.

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 19.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

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

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

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

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

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

Oakland (OAK) is the airport you will fly into if you book a flight from Ontario to Oakland. It is only a 11.3 km journey from Oakland (OAK) to Oakland’s city centre.

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.

C$ 305+ Cheap Flights from Ontario to Oakland, CA

Cheap flight deals from Ontario to Oakland

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 22 October 2026.

Mon 30/118:30 p.m. -

1 stop18h 03m

Sun 6/1212:28 p.m. -

1 stop15h 24m

Deal found 20/10C$ 512

Sat 5/128:30 p.m. -

1 stop18h 03m

Sat 12/1212:28 p.m. -

1 stop15h 24m

Deal found 21/10C$ 523

Mon 16/118:30 p.m. -

1 stop18h 23m

Mon 23/1111:24 a.m. -

1 stop16h 27m

Deal found 18/10C$ 739

Thu 12/116:10 p.m. -

2 stops8h 45m

Tue 17/115:00 p.m. -

2 stops15h 09m

Deal found 19/10C$ 755

Find flight deals from Ontario to Oakland

Round-trip from	C$ 512
One-way from	C$ 305
Popular in	July
Cheapest in	January
Average price	C$ 572

30/11-6/12
2 total stops
33h 27m total
Ontario to Oakland

Search Deals

5/12-31/12
1 total stop
18h 03m total
Ontario to Oakland

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (C$ 94 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 13 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoOakland

YYZ Toronto Pearson Intl - OAK Oakland

YYZOAK

Toronto Pearson Intl

Mon 11/1

5:15 p.m.-11:56 p.m.

2 stops9h 41m

Oakland

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 419

TorontoOakland

YYZ Toronto Pearson Intl - OAK Oakland

YYZOAK

Toronto Pearson Intl

Wed 25/11

11:30 a.m.-10:29 a.m.

1 stop25h 59m

Oakland

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 427

TorontoOakland

YYZ Toronto Pearson Intl - OAK Oakland

YYZOAK

Toronto Pearson Intl

Sat 5/12

5:15 p.m.-10:50 p.m.

1 stop8h 35m

Oakland

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 427

Quickest round-trip

TorontoOakland

YYZ Toronto Pearson Intl - OAK Oakland

YYZOAK

Toronto Pearson Intl

Thu 12/11

5:15 p.m.-10:40 p.m.

1 stop8h 25m

Oakland

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 427

TorontoOakland

YYZ Toronto Pearson Intl - OAK Oakland

YYZOAK

Toronto Pearson Intl

Sat 14/11

5:15 p.m.-10:40 p.m.

1 stop8h 25m

Oakland

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 427

TorontoOakland

YYZ Toronto Pearson Intl - OAK Oakland

YYZOAK

Toronto Pearson Intl

Mon 16/11

5:15 p.m.-10:40 p.m.

1 stop8h 25m

Oakland

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 427

TorontoOakland

YYZ Toronto Pearson Intl - OAK Oakland

YYZOAK

Toronto Pearson Intl

Sat 5/12

6:15 a.m.-4:07 p.m.

2 stops12h 52m

Oakland

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 436

TorontoOakland

YYZ Toronto Pearson Intl - OAK Oakland

YYZOAK

Toronto Pearson Intl

Sat 9/1

6:00 a.m.-11:56 p.m.

2 stops20h 56m

Oakland

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 455

TorontoOakland

YYZ Toronto Pearson Intl - OAK Oakland

YYZOAK

Toronto Pearson Intl

Mon 9/11

5:15 p.m.-9:20 a.m.

2 stops19h 05m

Oakland

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 550

TorontoOakland

YYZ Toronto Pearson Intl - OAK Oakland

YYZOAK

Toronto Pearson Intl

Mon 2/11

12:15 p.m.-12:01 p.m.

2 stops26h 46m

Oakland

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 565

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/10

Showing 1-10 of 22 resultsSorted by cheapest first

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.

YYZ-OAK

YOW-OAK

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

CAON-OAK

YYZ-OAK

YOW-OAK

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly into for flights to Oakland from Ontario?
Oakland (OAK) is the airport you will fly into if you book a flight from Ontario to Oakland. It is only a 11.3 km journey from Oakland (OAK) to Oakland’s city centre.
How long is the flight from Region of Ontario to Oakland, California?
Departing from Region of Ontario to Oakland, California will take you 8h 45m. The distance from Region of Ontario to Oakland, California is about 3610 km. Both multi-stop and direct flights can be found to your destination and back.
What are the most popular routes from Region of Ontario to Oakland, California?
The most popular route from Region of Ontario to Oakland, California is Toronto Pearson Intl - Oakland. You may also consider Hamilton - Oakland or Montreal Pierre Elliott Trudeau Intl - Oakland.
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.

See more FAQs

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When you search for this flight from Ontario to Oakland, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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Can Cheapflights find flights from Ontario to Oakland with no change fees?

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Cheap flights from Ontario to Oakland, CA from C$ 305

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ontario to Oakland

Cheapest flights from Ontario to OaklandExplore 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 22 October 2026.

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 22 October 2026.

Best flights from Ontario to OaklandDiscover carefully curated flight deals from Ontario to Oakland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 22 October 2026.

Discover carefully curated flight deals from Ontario to Oakland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 22 October 2026.

Last-minute flights from Ontario to OaklandDiscover last-minute flight deals from Ontario to Oakland. Data last updated 22 October 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Oakland. Data last updated 22 October 2026 and is based on user searches.

One-way flights from Ontario to OaklandSearch for one-way flight options from Ontario to Oakland. Find affordable one-way fares based on user searches. Data last updated 22 October 2026.

Search for one-way flight options from Ontario to Oakland. Find affordable one-way fares based on user searches. Data last updated 22 October 2026.

Find flight deals from Ontario to Oakland

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Best time to book a flight from Ontario to Oakland

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Cheapflights Insights

Related info for your journey

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

How long is the flight from Region of Ontario to Oakland, California?

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

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

How can I find direct flights from Ontario to Oakland?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to Oakland

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

Complete your trip

Complete your trip to Oakland by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to California

Book a non-stop flight to one of these other cities located in California.

Search flights from Ontario to Oakland by cabin class

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Other flights to Oakland

Explore flights to Oakland departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 22 October 2026.

Ontario and Oakland flights

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How does Cheapflights help users find flights from Ontario to Oakland?

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Can Cheapflights notify me if prices for flights from Ontario to Oakland become cheaper?

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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 22 October 2026.

Best flights from Ontario to Oakland
Discover carefully curated flight deals from Ontario to Oakland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 22 October 2026.

Last-minute flights from Ontario to Oakland
Discover last-minute flight deals from Ontario to Oakland. Data last updated 22 October 2026 and is based on user searches.

One-way flights from Ontario to Oakland
Search for one-way flight options from Ontario to Oakland. Find affordable one-way fares based on user searches. Data last updated 22 October 2026.