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Cheap flights from Ontario to Oakland, CA from C$ 240

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 18/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — OAK
5 Apr — 12 Apr1
1 adult

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 31 March 2025.

Round-trip from

C$ 507

One-way from

C$ 240

Popular in

July

Cheapest in

February

Average price

C$ 524
Delta
  • Delta
  • 21/4-24/4
  • 2 total stops
  • 16h 31m total
  • Ontario to Oakland
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18/5
  • 18/5
  • 2 total stops
  • 34h 07m total
  • Ontario to Oakland
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 117 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 17 potential savings vs. average RT price).
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Average for round-trip flights in March 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 31 March 2025.

Mon 21/45:50 p.m.YYZ - OAK
1 stop8h 53mDelta
Thu 24/46:00 a.m.OAK - YYZ
1 stop7h 38mDelta
Deal found 30/3C$ 507
Fri 23/56:55 a.m.YYZ - OAK
2 stops16h 19mMultiple Airlines
Sun 25/510:36 a.m.OAK - YYZ
1 stop8h 09mMultiple Airlines
Deal found 31/3C$ 527
Wed 14/57:00 a.m.YOW - OAK
3 stops30h 56mMultiple Airlines
Wed 21/59:09 p.m.OAK - YOW
2 stops30h 36mMultiple Airlines
Deal found 30/3C$ 532
Sat 3/57:00 a.m.YUL - OAK
2 stops13h 34mMultiple Airlines
Wed 7/55:45 a.m.OAK - YUL
2 stops15h 52mMultiple Airlines
Deal found 31/3C$ 575
Sat 24/54:45 p.m.YYZ - OAK
1 stop8h 26mAlaska Airlines
Sun 25/58:00 a.m.OAK - YYZ
2 stops52h 00mAlaska Airlines
Deal found 30/3C$ 769
Fri 18/44:50 p.m.YUL - OAK
2 stops22h 23mDelta
Tue 22/412:55 p.m.OAK - YUL
2 stops31h 33mDelta
Deal found 30/3C$ 956

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 629,999 searches. Data last updated 31 March 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

Mon 21/4

5:50 p.m.-11:43 p.m.

1 stop8h 53m

Oakland

Thu 24/4

6:00 a.m.-4:38 p.m.

1 stop7h 38m

C$ 507

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Fri 23/5

6:55 a.m.-8:14 p.m.

2 stops16h 19m

Oakland

Sun 25/5

10:36 a.m.-9:45 p.m.

1 stop8h 09m

C$ 527

OttawaOakland

YOW - OAK

YOWOAK

Ottawa

Wed 14/5

7:00 a.m.-10:56 a.m.

3 stops30h 56m

Oakland

Wed 21/5

9:09 p.m.-6:45 a.m.

2 stops30h 36m

C$ 532

MontrealOakland

YUL - OAK

YULOAK

Montreal Pierre Elliott Trudeau Intl

Sat 3/5

7:00 a.m.-5:34 p.m.

2 stops13h 34m

Oakland

Wed 7/5

5:45 a.m.-12:37 a.m.

2 stops15h 52m

C$ 575

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Sat 24/5

4:45 p.m.-10:11 p.m.

1 stop8h 26m

Oakland

Sun 25/5

8:00 a.m.-3:00 p.m.

2 stops52h 00m

C$ 769

MontrealOakland

YUL - OAK

YULOAK

Montreal Pierre Elliott Trudeau Intl

Fri 18/4

4:50 p.m.-12:13 p.m.

2 stops22h 23m

Oakland

Tue 22/4

12:55 p.m.-11:28 p.m.

2 stops31h 33m

C$ 956

TorontoOakland

YKF - OAK

YKFOAK

Toronto Region of Waterloo Intl

Sun 18/5

6:00 a.m.-1:07 p.m.

2 stops34h 07m

C$ 240

OttawaOakland

YOW - OAK

YOWOAK

Ottawa

Tue 13/5

3:35 p.m.-10:56 a.m.

2 stops22h 21m

C$ 248

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Mon 19/5

8:05 p.m.-8:14 p.m.

1 stop27h 09m

C$ 260

HamiltonOakland

YHM - OAK

YHMOAK

Hamilton

Sun 18/5

6:00 a.m.-1:07 p.m.

2 stops34h 07m

C$ 271

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/3

Showing 1-10 of 14 results
1
2

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

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 - 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.

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 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).

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 31 March 2025.
Alaska Airlines
8.0
Very good
9,818 reviews
Check prices

Overall

8.0

Food

7.1

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Crew

8.5

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
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews
Check prices

Overall

8.0

Food

7.1

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Crew

8.5

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
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews
Check prices

Overall

8.0

Food

7.1

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Crew

8.5

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?

    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.

  • 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 Montreal Pierre Elliott Trudeau Intl - Oakland or Hamilton - 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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Alternative routes for Ontario to Oakland

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