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Cheap flights from Ontario to Oakland, CA from C$ 256

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 16/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — OAK
15 Oct — 22 Oct1
1 adult
1 adult, Economy

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 15 September 2025.

Round-trip from

C$ 501

One-way from

C$ 256

Popular in

December

Cheapest in

April

Average price

C$ 569
Alaska Airlines
  • Alaska Airlines
  • 3/12-4/12
  • 2 total stops
  • 40h 09m total
  • Ontario to Oakland
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 16/12
  • 1 total stop
  • 10h 14m total
  • Ontario to Oakland
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

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 15 September 2025.

Wed 3/124:45 p.m.YYZ - OAK
1 stop10h 14mAlaska Airlines
Thu 4/126:40 a.m.OAK - YYZ
1 stop29h 55mAlaska Airlines
Deal found 15/9C$ 501
Thu 16/104:45 p.m.YYZ - OAK
1 stop10h 18mAlaska Airlines
Mon 20/108:05 p.m.OAK - YYZ
1 stop15h 55mAlaska Airlines
Deal found 14/9C$ 525
Wed 15/108:00 a.m.YYZ - OAK
2 stops19h 03mMultiple Airlines
Wed 22/108:05 p.m.OAK - YYZ
1 stop15h 55mMultiple Airlines
Deal found 15/9C$ 535
Fri 5/124:45 p.m.YYZ - OAK
1 stop23h 52mAlaska Airlines
Mon 8/126:40 a.m.OAK - YYZ
1 stop29h 55mAlaska Airlines
Deal found 15/9C$ 544
Fri 10/105:50 p.m.YYZ - OAK
1 stop9h 03mDelta
Mon 20/104:51 p.m.OAK - YYZ
2 stops15h 30mDelta
Deal found 14/9C$ 561
Fri 17/104:45 p.m.YYZ - OAK
1 stop10h 18mAlaska Airlines
Mon 20/106:40 a.m.OAK - YYZ
1 stop29h 20mAlaska Airlines
Deal found 14/9C$ 604
Sat 11/106:20 a.m.YYZ - OAK
2 stops18h 12mDelta
Mon 20/104:51 p.m.OAK - YYZ
2 stops15h 30mDelta
Deal found 14/9C$ 620
Thu 30/104:45 p.m.YYZ - OAK
1 stop10h 14mAlaska Airlines
Thu 6/117:12 p.m.OAK - YYZ
2 stops17h 23mAlaska Airlines
Deal found 15/9C$ 633
Wed 29/107:00 a.m.YUL - OAK
2 stops12h 11mDelta
Wed 5/115:55 a.m.OAK - YUL
2 stops14h 26mDelta
Deal found 14/9C$ 763
Wed 15/107:05 a.m.YHM - OAK
2 stops15h 13mMultiple Airlines
Wed 22/106:40 a.m.OAK - YHM
2 stops14h 19mMultiple Airlines
Deal found 15/9C$ 894
Wed 29/104:15 p.m.YUL - OAK
2 stops34h 44mMultiple Airlines
Wed 5/119:17 p.m.OAK - YUL
1 stop31h 08mMultiple Airlines
Deal found 14/9C$ 921
Sat 20/96:00 a.m.YHM - OAK
3 stops20h 32mMultiple Airlines
Mon 29/910:56 a.m.OAK - YHM
3 stops26h 48mMultiple Airlines
Deal found 14/9C$ 923

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 15 September 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

Wed 3/12

4:45 p.m.-11:59 p.m.

1 stop10h 14m

Oakland

Thu 4/12

6:40 a.m.-3:35 p.m.

1 stop29h 55m

C$ 501

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Fri 5/12

3:38 p.m.-12:08 a.m.

2 stops11h 30m

Oakland

Mon 8/12

5:45 a.m.-11:27 p.m.

2 stops14h 42m

C$ 525

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Fri 5/12

4:45 p.m.-1:37 p.m.

1 stop23h 52m

Oakland

Mon 8/12

6:40 a.m.-3:35 p.m.

1 stop29h 55m

C$ 544

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Fri 10/10

5:50 p.m.-11:53 p.m.

1 stop9h 03m

Oakland

Mon 20/10

4:51 p.m.-11:21 a.m.

2 stops15h 30m

C$ 561

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Tue 10/3

4:45 p.m.-11:38 p.m.

1 stop9h 53m

Oakland

Wed 11/3

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

1 stop26h 25m

C$ 587

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Fri 17/10

4:45 p.m.-12:03 a.m.

1 stop10h 18m

Oakland

Mon 20/10

6:40 a.m.-3:00 p.m.

1 stop29h 20m

C$ 604

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Thu 16/10

4:45 p.m.-12:03 a.m.

1 stop10h 18m

Oakland

Mon 20/10

9:25 a.m.-3:00 p.m.

2 stops26h 35m

C$ 629

MontrealOakland

YUL - OAK

YULOAK

Montreal Pierre Elliott Trudeau Intl

Wed 29/10

7:00 a.m.-4:11 p.m.

2 stops12h 11m

Oakland

Wed 5/11

5:55 a.m.-11:21 p.m.

2 stops14h 26m

C$ 763

HamiltonOakland

YHM - OAK

YHMOAK

Hamilton

Wed 15/10

7:05 a.m.-7:18 p.m.

2 stops15h 13m

Oakland

Wed 22/10

6:40 a.m.-11:59 p.m.

2 stops14h 19m

C$ 894

MontrealOakland

YUL - OAK

YULOAK

Montreal Pierre Elliott Trudeau Intl

Wed 29/10

4:15 p.m.-11:59 p.m.

2 stops34h 44m

Oakland

Wed 5/11

9:17 p.m.-7:25 a.m.

1 stop31h 08m

C$ 921

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

Showing 1-10 of 35 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
No data available for this route at this time. Please check back soon.

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.

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

    Departing from Region of Ontario to Oakland, California will take you 10h 14m. 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 Toronto Region of Waterloo Intl - 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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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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