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Cheap flights from Ontario to San Francisco from C$ 351

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 10/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ontario to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:14 p.m. - 11:51 p.m.
YYZ
-
OAK
8h 37m
2 stops
Delta Logo
5:05 p.m. - 12:15 p.m.
OAK
-
YYZ
16h 10m
2 stops
C$ 619Delta
Thu, 3 Sep - Tue, 8 Sep
Delta Logo
4:10 p.m. - 11:51 p.m.
YYZ
-
OAK
10h 41m
2 stops
Delta Logo
6:00 a.m. - 11:10 p.m.
OAK
-
YYZ
14h 10m
2 stops
C$ 621Delta
Tue, 25 Aug - Tue, 1 Sep
Delta Logo
5:45 p.m. - 11:50 p.m.
YYZ
-
OAK
9h 05m
1 stop
Delta Logo
6:00 a.m. - 4:35 p.m.
OAK
-
YYZ
7h 35m
1 stop
C$ 654Delta
Thu, 23 Jul - Sun, 26 Jul
Delta Logo
5:49 p.m. - 11:59 p.m.
YYZ
-
OAK
9h 10m
1 stop
Delta Logo
6:00 a.m. - 4:39 p.m.
OAK
-
YYZ
7h 39m
1 stop
C$ 655Delta
Fri, 25 Sep - Wed, 30 Sep
Delta Logo
7:45 a.m. - 11:51 p.m.
YYZ
-
OAK
19h 06m
2 stops
Delta Logo
12:33 p.m. - 11:18 p.m.
OAK
-
YYZ
31h 45m
2 stops
C$ 680Delta
Fri, 7 Aug - Fri, 21 Aug
Delta Logo
5:45 p.m. - 11:51 p.m.
YYZ
-
OAK
9h 06m
1 stop
Delta Logo
5:00 p.m. - 12:23 p.m.
OAK
-
YYZ
16h 23m
2 stops
C$ 686Delta
Thu, 6 Aug - Thu, 20 Aug
Delta Logo
4:10 p.m. - 11:51 p.m.
YYZ
-
OAK
10h 41m
2 stops
Delta Logo
5:00 p.m. - 11:25 a.m.
OAK
-
YYZ
15h 25m
2 stops
C$ 687Delta
Tue, 25 Aug - Mon, 31 Aug
Delta Logo
7:45 a.m. - 11:51 p.m.
YYZ
-
OAK
19h 06m
2 stops
Delta Logo
5:00 p.m. - 12:23 p.m.
OAK
-
YYZ
16h 23m
2 stops
C$ 688Delta
Thu, 6 Aug - Mon, 17 Aug
Multiple Airlines Logo
8:40 p.m. - 11:10 p.m.
YKF
-
OAK
29h 30m
2 stops
Multiple Airlines Logo
11:55 a.m. - 7:50 p.m.
OAK
-
YKF
28h 55m
2 stops
C$ 962Multiple Airlines
Mon, 24 Aug - Tue, 1 Sep
Multiple Airlines Logo
6:10 p.m. - 11:10 p.m.
YHM
-
OAK
32h 00m
2 stops
Multiple Airlines Logo
11:55 a.m. - 5:15 p.m.
OAK
-
YHM
26h 20m
2 stops
C$ 994Multiple Airlines
Mon, 24 Aug - Tue, 1 Sep

Delta flights from Region of Ontario to Oakland, California

Our best Delta deals on Region of Ontario to Oakland, California flight tickets
Delta
3 Sep
YYZ5:45 p.m.Toronto Pearson Intl
9h 06m
1 stop
OAK11:51 p.m.Oakland
8 Sep
OAK5:55 a.m.Oakland
7h 50m
1 stop
YYZ4:45 p.m.Toronto Pearson Intl
C$ 619
Delta
25 Aug
YYZ5:45 p.m.Toronto Pearson Intl
9h 06m
1 stop
OAK11:51 p.m.Oakland
2 Sep
OAK6:00 a.m.Oakland
14h 10m
2 stops
YYZ11:10 p.m.Toronto Pearson Intl
C$ 621
Delta
23 Jul
YYZ5:45 p.m.Toronto Pearson Intl
9h 05m
1 stop
OAK11:50 p.m.Oakland
26 Jul
OAK6:00 a.m.Oakland
7h 35m
1 stop
YYZ4:35 p.m.Toronto Pearson Intl
C$ 654

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
21 Aug
YYZ2:55 p.m.Toronto Pearson Intl
21h 28m
2 stops
OAK9:23 a.m.Oakland
26 Aug
OAK6:04 a.m.Oakland
13h 50m
2 stops
YYZ10:54 p.m.Toronto Pearson Intl
C$ 812
Alaska Airlines
26 Aug
YYZ6:46 a.m.Toronto Pearson Intl
19h 08m
2 stops
OAK10:54 p.m.Oakland
1 Sep
OAK11:55 a.m.Oakland
31h 59m
2 stops
YYZ10:54 p.m.Toronto Pearson Intl
C$ 897
Alaska Airlines
23 Sep
YYZ4:55 p.m.Toronto Pearson Intl
8h 59m
1 stop
OAK10:54 p.m.Oakland
2 Oct
OAK7:51 p.m.Oakland
16h 54m
1 stop
YYZ3:45 p.m.Toronto Pearson Intl
C$ 944

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 2 June 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

Thu 3/9

6:14 p.m.-11:51 p.m.

2 stops8h 37m

Oakland

Tue 8/9

5:05 p.m.-12:15 p.m.

2 stops16h 10m

C$ 619

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Tue 25/8

4:10 p.m.-11:51 p.m.

2 stops10h 41m

Oakland

Tue 1/9

6:00 a.m.-11:10 p.m.

2 stops14h 10m

C$ 621
Quickest round-trip

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Thu 23/7

5:45 p.m.-11:50 p.m.

1 stop9h 05m

Oakland

Sun 26/7

6:00 a.m.-4:35 p.m.

1 stop7h 35m

C$ 654

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Fri 25/9

5:49 p.m.-11:59 p.m.

1 stop9h 10m

Oakland

Wed 30/9

6:00 a.m.-4:39 p.m.

1 stop7h 39m

C$ 655

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Fri 7/8

7:45 a.m.-11:51 p.m.

2 stops19h 06m

Oakland

Fri 21/8

12:33 p.m.-11:18 p.m.

2 stops31h 45m

C$ 680

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Thu 6/8

5:45 p.m.-11:51 p.m.

1 stop9h 06m

Oakland

Thu 20/8

5:00 p.m.-12:23 p.m.

2 stops16h 23m

C$ 686

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Tue 25/8

4:10 p.m.-11:51 p.m.

2 stops10h 41m

Oakland

Mon 31/8

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

2 stops15h 25m

C$ 687

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Thu 6/8

7:45 a.m.-11:51 p.m.

2 stops19h 06m

Oakland

Mon 17/8

5:00 p.m.-12:23 p.m.

2 stops16h 23m

C$ 688

TorontoOakland

YKF - OAK

YKFOAK

Toronto Region of Waterloo Intl

Mon 24/8

8:40 p.m.-11:10 p.m.

2 stops29h 30m

Oakland

Tue 1/9

11:55 a.m.-7:50 p.m.

2 stops28h 55m

C$ 962

HamiltonOakland

YHM - OAK

YHMOAK

Hamilton

Mon 24/8

6:10 p.m.-11:10 p.m.

2 stops32h 00m

Oakland

Tue 1/9

11:55 a.m.-5:15 p.m.

2 stops26h 20m

C$ 994

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 45% 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

8h 37m

Direct flights

None
The fastest flight from Region of Ontario to Oakland, California takes 8h 37m
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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