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Cheap flights from Ontario to Oakland, CA from C$ 212

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 28/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — OAK
3 Jan — 10 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Oakland

Enter your travel dates to find the best prices.

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 4 December 2025.

Wed 31/127:55 a.m.YYZ - OAK
1 stop16h 35mMultiple Airlines
Wed 7/18:10 a.m.OAK - YYZ
1 stop28h 25mMultiple Airlines
Deal found 3/12C$ 751
Mon 15/124:45 p.m.YYZ - OAK
2 stops19h 01mAlaska Airlines
Fri 9/15:17 p.m.OAK - YYZ
1 stop19h 18mAlaska Airlines
Deal found 4/12C$ 755
Thu 11/124:45 p.m.YYZ - OAK
1 stop10h 14mAlaska Airlines
Tue 31/37:54 p.m.OAK - YYZ
1 stop16h 41mAlaska Airlines
Deal found 4/12C$ 815
Fri 5/124:45 p.m.YYZ - OAK
1 stop10h 14mAlaska Airlines
Wed 25/37:00 a.m.OAK - YYZ
1 stop29h 35mAlaska Airlines
Deal found 4/12C$ 826
Thu 11/126:00 a.m.YYZ - OAK
2 stops21h 08mDelta
Wed 25/35:55 a.m.OAK - YYZ
2 stops14h 06mDelta
Deal found 4/12C$ 853
Wed 10/126:00 a.m.YYZ - OAK
2 stops21h 08mDelta
Wed 25/35:00 p.m.OAK - YYZ
2 stops15h 19mDelta
Deal found 4/12C$ 871
Mon 8/124:45 p.m.YYZ - OAK
2 stops19h 01mAlaska Airlines
Mon 23/37:54 p.m.OAK - YYZ
1 stop16h 41mAlaska Airlines
Deal found 4/12C$ 874
Fri 5/124:45 p.m.YYZ - OAK
1 stop10h 14mAlaska Airlines
Mon 30/37:54 p.m.OAK - YYZ
1 stop16h 41mAlaska Airlines
Deal found 4/12C$ 885
Sat 6/127:40 a.m.YYZ - OAK
2 stops17h 20mDelta
Wed 25/35:55 a.m.OAK - YYZ
2 stops14h 06mDelta
Deal found 4/12C$ 888
Fri 26/127:00 a.m.YUL - OAK
2 stops19h 58mDelta
Wed 31/1212:34 p.m.OAK - YUL
2 stops20h 24mDelta
Deal found 3/12C$ 1,817
Thu 18/127:20 a.m.YUL - OAK
3 stops31h 25mMultiple Airlines
Tue 23/127:33 p.m.OAK - YUL
2 stops19h 12mMultiple Airlines
Deal found 4/12C$ 2,258
Tue 30/1212:50 p.m.YUL - OAK
2 stops14h 08mDelta
Mon 5/15:55 a.m.OAK - YUL
2 stops14h 55mDelta
Deal found 4/12C$ 2,307

Find flight deals from Ontario to Oakland

Keep the following information in mind while searching for Ontario to Oakland flight deals. Data was last updated 4 December 2025.

Round-trip from

C$ 346

One-way from

C$ 212

Popular in

December

Cheapest in

April

Average price

C$ 663
Alaska Airlines
  • Alaska Airlines
  • 20/1-23/2
  • 2 total stops
  • 56h 58m total
  • Ontario to Oakland
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 28/1
  • 1 total stop
  • 26h 38m total
  • Ontario to Oakland
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 47 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 4 December 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

Tue 20/1

4:45 p.m.-4:23 p.m.

1 stop26h 38m

Oakland

Mon 23/2

6:15 a.m.-3:35 p.m.

1 stop30h 20m

C$ 346

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Tue 20/1

4:45 p.m.-10:28 a.m.

1 stop20h 43m

Oakland

Tue 24/2

5:31 p.m.-3:35 p.m.

1 stop19h 04m

C$ 346

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Thu 22/1

4:45 p.m.-4:23 p.m.

1 stop26h 38m

Oakland

Mon 23/2

6:15 a.m.-3:35 p.m.

1 stop30h 20m

C$ 350

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Sat 17/1

4:45 p.m.-10:28 a.m.

1 stop20h 43m

Oakland

Tue 20/1

11:43 a.m.-3:35 p.m.

1 stop24h 52m

C$ 378

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Thu 8/1

4:45 p.m.-8:40 p.m.

1 stop30h 55m

Oakland

Mon 12/1

8:10 a.m.-3:35 p.m.

1 stop28h 25m

C$ 427

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Wed 21/1

4:45 p.m.-4:23 p.m.

1 stop26h 38m

Oakland

Mon 23/2

10:04 a.m.-3:35 p.m.

2 stops26h 31m

C$ 454

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Thu 22/1

4:45 p.m.-7:23 p.m.

2 stops29h 38m

Oakland

Sun 22/2

6:15 a.m.-3:35 p.m.

1 stop30h 20m

C$ 469

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Tue 20/1

4:45 p.m.-9:46 a.m.

2 stops20h 01m

Oakland

Sun 22/2

6:15 a.m.-3:35 p.m.

1 stop30h 20m

C$ 469

MontrealOakland

YUL - OAK

YULOAK

Montreal Pierre Elliott Trudeau Intl

Fri 16/1

12:54 p.m.-9:38 p.m.

2 stops35h 44m

Oakland

Tue 20/1

5:55 a.m.-11:45 a.m.

2 stops26h 50m

C$ 628

MontrealOakland

YUL - OAK

YULOAK

Montreal Pierre Elliott Trudeau Intl

Fri 26/12

7:00 a.m.-11:58 p.m.

2 stops19h 58m

Oakland

Wed 31/12

12:34 p.m.-11:58 a.m.

2 stops20h 24m

C$ 1,817

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/12

Showing 1-10 of 45 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 C$ 201). Flying from Region of Ontario to Oakland, California in December is currently the most expensive (average of C$ 361). 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.

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 26h 38m. 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 Montreal Pierre Elliott Trudeau Intl - Oakland or Ottawa - 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.

  • 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 C$ 201). Flying from Region of Ontario to Oakland, California in December is currently the most expensive (average of C$ 361). 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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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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Yes! Cheapflights helps users easily find flights from Ontario to Oakland with no change fees.

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