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Cheap flights from Ontario to San Francisco from C$ 279

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to San Francisco departing on 10/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Ontario to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:35 p.m. - 11:51 a.m.
YYZ
-
OAK
18h 16m
1 stop
Multiple Airlines Logo
6:51 p.m. - 6:39 a.m.
OAK
-
YYZ
8h 48m
1 stop
C$ 432Multiple Airlines
Mon, 14 Sep - Mon, 21 Sep
Multiple Airlines Logo
8:35 p.m. - 11:51 a.m.
YYZ
-
OAK
18h 16m
1 stop
Multiple Airlines Logo
6:51 p.m. - 6:39 a.m.
OAK
-
YYZ
8h 48m
1 stop
C$ 442Multiple Airlines
Mon, 14 Sep - Mon, 21 Sep
Multiple Airlines Logo
8:35 p.m. - 11:51 a.m.
YYZ
-
OAK
18h 16m
1 stop
Multiple Airlines Logo
6:51 p.m. - 6:39 a.m.
OAK
-
YYZ
8h 48m
1 stop
C$ 445Multiple Airlines
Mon, 14 Sep - Mon, 21 Sep
Multiple Airlines Logo
8:35 p.m. - 9:22 a.m.
YYZ
-
OAK
15h 47m
1 stop
Multiple Airlines Logo
6:51 p.m. - 6:39 a.m.
OAK
-
YYZ
8h 48m
1 stop
C$ 504Multiple Airlines
Sun, 13 Sep - Sun, 20 Sep
Multiple Airlines Logo
12:40 p.m. - 11:51 a.m.
YYZ
-
OAK
26h 11m
2 stops
Multiple Airlines Logo
6:51 p.m. - 6:39 a.m.
OAK
-
YYZ
8h 48m
1 stop
C$ 535Multiple Airlines
Mon, 14 Sep - Mon, 21 Sep
Multiple Airlines Logo
12:40 p.m. - 11:51 a.m.
YYZ
-
OAK
26h 11m
2 stops
Multiple Airlines Logo
6:51 p.m. - 6:39 a.m.
OAK
-
YYZ
8h 48m
1 stop
C$ 537Multiple Airlines
Mon, 14 Sep - Mon, 21 Sep
Multiple Airlines Logo
7:00 a.m. - 11:51 a.m.
YYZ
-
OAK
31h 51m
2 stops
Multiple Airlines Logo
10:17 a.m. - 6:55 a.m.
OAK
-
YYZ
17h 38m
2 stops
C$ 543Multiple Airlines
Mon, 14 Sep - Mon, 21 Sep
Multiple Airlines Logo
8:35 p.m. - 11:51 a.m.
YYZ
-
OAK
18h 16m
1 stop
Multiple Airlines Logo
6:51 p.m. - 6:39 a.m.
OAK
-
YYZ
8h 48m
1 stop
C$ 546Multiple Airlines
Fri, 11 Sep - Fri, 18 Sep
Multiple Airlines Logo
3:50 p.m. - 9:22 a.m.
YYZ
-
OAK
20h 32m
2 stops
Multiple Airlines Logo
6:51 p.m. - 6:39 a.m.
OAK
-
YYZ
8h 48m
1 stop
C$ 560Multiple Airlines
Sun, 13 Sep - Sun, 20 Sep
Delta Logo
7:00 a.m. - 11:56 p.m.
YUL
-
OAK
19h 56m
2 stops
Delta Logo
5:55 a.m. - 3:59 p.m.
OAK
-
YUL
31h 04m
2 stops
C$ 688Delta
Tue, 12 Jan - Tue, 19 Jan

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Alaska Airlines flights from Region of Ontario to Oakland, California

Our best Alaska Airlines deals on Region of Ontario to Oakland, California flight tickets
Alaska Airlines
31 Oct
YYZ5:15 p.m.Toronto Pearson Intl
8h 40m
1 stop
OAK10:55 p.m.Oakland
2 Nov
OAK8:07 a.m.Oakland
28h 58m
2 stops
YYZ4:05 p.m.Toronto Pearson Intl
C$ 702
Alaska Airlines
31 Oct
YYZ5:15 p.m.Toronto Pearson Intl
8h 40m
1 stop
OAK10:55 p.m.Oakland
2 Nov
OAK6:52 p.m.Oakland
18h 13m
2 stops
YYZ4:05 p.m.Toronto Pearson Intl
C$ 703
Alaska Airlines
31 Oct
YYZ5:15 p.m.Toronto Pearson Intl
8h 40m
1 stop
OAK10:55 p.m.Oakland
2 Nov
OAK8:07 a.m.Oakland
28h 58m
2 stops
YYZ4:05 p.m.Toronto Pearson Intl
C$ 711

Delta flights from Region of Ontario to Oakland, California

Our best Delta deals on Region of Ontario to Oakland, California flight tickets
Delta
31 Oct
YYZ11:38 a.m.Toronto Pearson Intl
13h 20m
2 stops
OAK9:58 p.m.Oakland
2 Nov
OAK5:02 p.m.Oakland
14h 21m
2 stops
YYZ10:23 a.m.Toronto Pearson Intl
C$ 662
Delta
12 Sep
YYZ6:00 a.m.Toronto Pearson Intl
13h 20m
2 stops
OAK4:20 p.m.Oakland
22 Sep
OAK5:00 p.m.Oakland
15h 25m
2 stops
YYZ11:25 a.m.Toronto Pearson Intl
C$ 676
Delta
31 Oct
YYZ6:00 a.m.Toronto Pearson Intl
13h 22m
2 stops
OAK4:22 p.m.Oakland
2 Nov
OAK5:02 p.m.Oakland
16h 17m
2 stops
YYZ12:19 p.m.Toronto Pearson Intl
C$ 685

momondo Fare Finder

 
Customize your flight search to find flights from Region of Ontario to Oakland, California 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, momondo users made 96,600 searches. Data last updated 31 July 2026.
Use the filters below to find and compare flights from Ontario to Oakland, California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Mon 14/9

8:35 p.m.-11:51 a.m.

1 stop18h 16m

Oakland

Mon 21/9

6:51 p.m.-6:39 a.m.

1 stop8h 48m

C$ 432

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Mon 14/9

8:35 p.m.-11:51 a.m.

1 stop18h 16m

Oakland

Mon 21/9

6:51 p.m.-6:39 a.m.

1 stop8h 48m

C$ 442

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Mon 14/9

8:35 p.m.-11:51 a.m.

1 stop18h 16m

Oakland

Mon 21/9

6:51 p.m.-6:39 a.m.

1 stop8h 48m

C$ 445
Quickest round-trip

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Sun 13/9

8:35 p.m.-9:22 a.m.

1 stop15h 47m

Oakland

Sun 20/9

6:51 p.m.-6:39 a.m.

1 stop8h 48m

C$ 504

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Mon 14/9

12:40 p.m.-11:51 a.m.

2 stops26h 11m

Oakland

Mon 21/9

6:51 p.m.-6:39 a.m.

1 stop8h 48m

C$ 535

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Mon 14/9

12:40 p.m.-11:51 a.m.

2 stops26h 11m

Oakland

Mon 21/9

6:51 p.m.-6:39 a.m.

1 stop8h 48m

C$ 537

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Mon 14/9

7:00 a.m.-11:51 a.m.

2 stops31h 51m

Oakland

Mon 21/9

10:17 a.m.-6:55 a.m.

2 stops17h 38m

C$ 543

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Fri 11/9

8:35 p.m.-11:51 a.m.

1 stop18h 16m

Oakland

Fri 18/9

6:51 p.m.-6:39 a.m.

1 stop8h 48m

C$ 546

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Sun 13/9

3:50 p.m.-9:22 a.m.

2 stops20h 32m

Oakland

Sun 20/9

6:51 p.m.-6:39 a.m.

1 stop8h 48m

C$ 560

MontrealOakland

YUL - OAK

YULOAK

Montreal Pierre Elliott Trudeau Intl

Tue 12/1

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

2 stops19h 56m

Oakland

Tue 19/1

5:55 a.m.-3:59 p.m.

2 stops31h 04m

C$ 688

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Francisco from

How to get the cheapest flight ticket from Region of Ontario to Oakland, California

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Ontario to Oakland?

Delta is the most popular carrier operating from Ontario to Oakland

Which airlines fly to Oakland, California?

Porter Airlines, Air Canada and United Airlines are the top three most popular airlines that fly to Oakland, California from Region of Ontario according to our data. Porter Airlines is the first choice among our users, with 44% of people opting to fly with this airline when travelling to Oakland, California. Keep in mind that there are 8 different airlines that fly to Oakland, California on a routine basis, so you have a few additional options to choose from.

Cheap Region of Ontario to Oakland, California flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Oakland, California

Fastest flight time

12h 22m

Direct flights

None
The fastest flight from Region of Ontario to Oakland, California takes 12h 22m
There are no direct flights from Region of Ontario to Oakland, California. There are no popular flight routes from Region of Ontario to Oakland, California.
Search flight deals

Frequently asked questions about flying from Ontario to Oakland, California

  • When did momondo last update prices for flights from Ontario to Oakland Airport?

    Prices for flights from Ontario to Oakland Airport refresh daily.

  • How old do you have to be to fly from Ontario to Oakland Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to Oakland Airport.

  • What documentation or ID do you need to fly to Oakland Airport?

    The travel and health documents you'll need for your trip to Oakland Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Oakland Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Oakland?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Oakland from Ontario.

Can I find flights from Ontario to Oakland with flexible booking policies on momondo?

momondo does allow users to show only those flights to Oakland from Ontario which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ontario to Oakland?

momondo provides multiple filters to help you find the best flight to Oakland from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ontario to Oakland right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ontario to Oakland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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