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Cheap flights from Ontario to Oakland, CA from C$ 359

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 22/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — OAK
8 Aug — 15 Aug1
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 9 July 2026.

Wed 28/107:00 a.m.
YUL
-
OAK
2 stops19h 56m
Delta
Sat 31/1012:31 p.m.
OAK
-
YUL
2 stops21h 08m
Delta
Deal found 7/7C$ 617
Wed 9/911:38 a.m.
YYZ
-
OAK
2 stops15h 21m
Delta
Fri 18/95:00 p.m.
OAK
-
YYZ
2 stops15h 25m
Delta
Deal found 6/7C$ 655
Tue 18/86:14 p.m.
YYZ
-
OAK
2 stops8h 42m
Delta
Tue 25/86:00 a.m.
OAK
-
YYZ
1 stop7h 40m
Delta
Deal found 4/7C$ 656
Sat 19/96:15 a.m.
YYZ
-
OAK
2 stops18h 46m
Delta
Wed 30/96:00 a.m.
OAK
-
YYZ
2 stops8h 20m
Delta
Deal found 8/7C$ 683
Wed 23/99:00 a.m.
YYZ
-
OAK
2 stops15h 51m
Multiple Airlines
Wed 30/98:04 a.m.
OAK
-
YYZ
2 stops14h 01m
Multiple Airlines
Deal found 8/7C$ 690
Tue 22/97:00 a.m.
YYZ
-
OAK
2 stops14h 12m
Multiple Airlines
Wed 30/911:55 a.m.
OAK
-
YYZ
2 stops10h 10m
Multiple Airlines
Deal found 8/7C$ 692
Mon 21/97:00 a.m.
YYZ
-
OAK
2 stops19h 10m
Multiple Airlines
Wed 30/911:55 a.m.
OAK
-
YYZ
2 stops10h 10m
Multiple Airlines
Deal found 8/7C$ 713
Tue 8/96:00 a.m.
YYZ
-
OAK
2 stops13h 20m
Delta
Mon 14/96:00 a.m.
OAK
-
YYZ
2 stops13h 59m
Delta
Deal found 6/7C$ 724
Tue 22/912:25 p.m.
YYZ
-
OAK
2 stops14h 34m
Delta
Fri 2/106:00 a.m.
OAK
-
YYZ
2 stops14h 59m
Delta
Deal found 8/7C$ 726
Tue 11/86:00 a.m.
YUL
-
OAK
2 stops20h 56m
Delta
Tue 18/85:00 p.m.
OAK
-
YUL
2 stops27h 40m
Delta
Deal found 3/7C$ 737
Sat 19/98:00 a.m.
YYZ
-
OAK
2 stops13h 12m
Multiple Airlines
Mon 28/912:13 p.m.
OAK
-
YYZ
1 stop15h 26m
Multiple Airlines
Deal found 8/7C$ 747
Tue 8/97:45 a.m.
YYZ
-
OAK
2 stops19h 14m
Delta
Wed 16/96:00 a.m.
OAK
-
YYZ
2 stops14h 59m
Delta
Deal found 6/7C$ 753

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 9 July 2026.

Round-trip from

C$ 617

One-way from

C$ 359

Popular in

July

Cheapest in

November

Average price

C$ 720
Delta
  • Delta
  • 28/10-31/10
  • 4 total stops
  • 41h 04m total
  • Ontario to Oakland
Search Deals
Delta
  • Delta
  • 22/8
  • 2 total stops
  • 19h 38m total
  • Ontario to Oakland
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 96 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 July 2026
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 9 July 2026.
Use the filters below to find and compare flights from Ontario to Oakland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealOakland

YUL - OAK

YULOAK

Montreal Pierre Elliott Trudeau Intl

Wed 28/10

7:00 a.m.-11:56 p.m.

2 stops19h 56m

Oakland

Sat 31/10

12:31 p.m.-12:39 p.m.

2 stops21h 08m

C$ 617

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Wed 9/9

11:38 a.m.-11:59 p.m.

2 stops15h 21m

Oakland

Mon 14/9

6:00 a.m.-10:59 p.m.

2 stops13h 59m

C$ 655

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Wed 9/9

5:54 p.m.-11:59 p.m.

1 stop9h 05m

Oakland

Sun 13/9

5:00 p.m.-10:23 a.m.

2 stops14h 23m

C$ 655

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Thu 27/8

5:50 p.m.-11:56 p.m.

1 stop9h 06m

Oakland

Mon 31/8

5:00 p.m.-11:25 a.m.

2 stops15h 25m

C$ 683

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Sat 17/10

4:55 p.m.-10:55 p.m.

1 stop9h 00m

Oakland

Mon 19/10

12:05 p.m.-3:45 p.m.

2 stops24h 40m

C$ 770
Quickest round-trip

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Tue 15/9

5:54 p.m.-11:59 p.m.

1 stop9h 05m

Oakland

Thu 24/9

6:00 a.m.-4:44 p.m.

1 stop7h 44m

C$ 777

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Tue 13/10

12:10 p.m.-11:56 p.m.

2 stops14h 46m

Oakland

Thu 15/10

5:03 p.m.-12:19 p.m.

2 stops16h 16m

C$ 780

MontrealOakland

YUL - OAK

YULOAK

Montreal Pierre Elliott Trudeau Intl

Fri 25/12

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

2 stops20h 56m

Oakland

Mon 11/1

5:05 p.m.-11:35 p.m.

2 stops27h 30m

C$ 787

MontrealOakland

YUL - OAK

YULOAK

Montreal Pierre Elliott Trudeau Intl

Thu 24/12

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

2 stops20h 56m

Oakland

Sat 16/1

5:55 a.m.-11:51 p.m.

2 stops14h 56m

C$ 787

MontrealOakland

YUL - OAK

YULOAK

Montreal Pierre Elliott Trudeau Intl

Tue 18/8

7:00 a.m.-11:56 p.m.

2 stops19h 56m

Oakland

Sun 30/8

6:00 a.m.-1:41 p.m.

2 stops28h 41m

C$ 787

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/7

Showing 1-10 of 54 resultsSorted by cheapest first
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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 9h. 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.

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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