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Cheap flights from Ontario to San Francisco from C$ 265

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 20/1. 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.
Alaska Airlines Logo
4:45 p.m. - 11:38 p.m.YYZ-OAK
9h 53m1 stop
Alaska Airlines Logo
6:35 p.m. - 3:35 p.m.OAK-YYZ
18h 00m1 stop
C$ 491Alaska Airlines
Find Deal
Mon, 23 Feb - Wed, 25 Feb
Alaska Airlines Logo
4:45 p.m. - 11:59 p.m.YYZ-OAK
10h 14m1 stop
Alaska Airlines Logo
8:10 a.m. - 3:35 p.m.OAK-YYZ
28h 25m1 stop
C$ 532Alaska Airlines
Find Deal
Tue, 6 Jan - Wed, 7 Jan
Delta Logo
6:05 p.m. - 12:08 a.m.YYZ-OAK
9h 03m2 stops
Delta Logo
5:55 a.m. - 11:27 p.m.OAK-YYZ
14h 32m2 stops
C$ 535Delta
Find Deal
Sun, 7 Dec - Tue, 16 Dec
Alaska Airlines Logo
4:45 p.m. - 10:41 a.m.YYZ-OAK
20h 56m1 stop
Alaska Airlines Logo
2:31 p.m. - 3:35 p.m.OAK-YYZ
22h 04m1 stop
C$ 540Alaska Airlines
Find Deal
Tue, 9 Dec - Wed, 10 Dec
Alaska Airlines Logo
4:45 p.m. - 11:59 p.m.YYZ-OAK
10h 14m1 stop
Alaska Airlines Logo
10:30 a.m. - 3:35 p.m.OAK-YYZ
26h 05m2 stops
C$ 545Alaska Airlines
Find Deal
Tue, 6 Jan - Wed, 7 Jan
Alaska Airlines Logo
4:45 p.m. - 11:59 p.m.YYZ-OAK
10h 14m1 stop
Alaska Airlines Logo
6:40 a.m. - 3:35 p.m.OAK-YYZ
29h 55m1 stop
C$ 546Alaska Airlines
Find Deal
Mon, 8 Dec - Sat, 13 Dec
Alaska Airlines Logo
4:45 p.m. - 11:59 p.m.YYZ-OAK
10h 14m1 stop
Alaska Airlines Logo
9:45 a.m. - 3:35 p.m.OAK-YYZ
26h 50m2 stops
C$ 554Alaska Airlines
Find Deal
Tue, 9 Dec - Wed, 10 Dec
Delta Logo
6:05 p.m. - 12:08 a.m.YYZ-OAK
9h 03m2 stops
Delta Logo
5:55 a.m. - 11:27 p.m.OAK-YYZ
14h 32m2 stops
C$ 601Delta
Find Deal
Sun, 7 Dec - Thu, 11 Dec
Delta Logo
12:08 p.m. - 12:03 a.m.YYZ-OAK
14h 55m2 stops
Delta Logo
5:55 a.m. - 11:27 p.m.OAK-YYZ
14h 32m2 stops
C$ 656Delta
Find Deal
Mon, 17 Nov - Wed, 3 Dec
Multiple Airlines Logo
9:10 a.m. - 11:59 p.m.YYZ-OAK
17h 49m2 stops
Multiple Airlines Logo
2:31 p.m. - 3:35 p.m.OAK-YYZ
22h 04m1 stop
C$ 677Multiple Airlines
Find Deal
Tue, 9 Dec - Tue, 16 Dec

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
23 Feb
YYZ4:45 p.m.Toronto Pearson Intl
9h 53m
1 stop
OAK11:38 p.m.Oakland
25 Feb
OAK6:35 p.m.Oakland
18h 00m
1 stop
YYZ3:35 p.m.Toronto Pearson Intl
C$ 491
Find similar
Alaska Airlines
6 Jan
YYZ4:45 p.m.Toronto Pearson Intl
10h 14m
1 stop
OAK11:59 p.m.Oakland
7 Jan
OAK8:10 a.m.Oakland
28h 25m
1 stop
YYZ3:35 p.m.Toronto Pearson Intl
C$ 532
Find similar
Alaska Airlines
9 Dec
YYZ4:45 p.m.Toronto Pearson Intl
20h 56m
1 stop
OAK10:41 a.m.Oakland
10 Dec
OAK2:31 p.m.Oakland
22h 04m
1 stop
YYZ3:35 p.m.Toronto Pearson Intl
C$ 540
Find similar

Delta flights from Region of Ontario to Oakland, California

Our best Delta deals on Region of Ontario to Oakland, California flight tickets
Delta
7 Dec
YYZ6:05 p.m.Toronto Pearson Intl
9h 03m
2 stops
OAK12:08 a.m.Oakland
16 Dec
OAK5:55 a.m.Oakland
14h 32m
2 stops
YYZ11:27 p.m.Toronto Pearson Intl
C$ 535
Find similar
Delta
7 Dec
YYZ6:05 p.m.Toronto Pearson Intl
9h 03m
2 stops
OAK12:08 a.m.Oakland
11 Dec
OAK5:55 a.m.Oakland
14h 32m
2 stops
YYZ11:27 p.m.Toronto Pearson Intl
C$ 601
Find similar
Delta
17 Nov
YYZ12:08 p.m.Toronto Pearson Intl
14h 55m
2 stops
OAK12:03 a.m.Oakland
3 Dec
OAK5:55 a.m.Oakland
14h 32m
2 stops
YYZ11:27 p.m.Toronto Pearson Intl
C$ 656
Find similar

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 4 November 2025.
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

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Mon 23/2

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

1 stop9h 53m

Oakland

Wed 25/2

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

1 stop18h 00m

C$ 491

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Tue 6/1

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

1 stop10h 14m

Oakland

Wed 7/1

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

1 stop28h 25m

C$ 532

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Sun 7/12

6:05 p.m.-12:08 a.m.

2 stops9h 03m

Oakland

Tue 16/12

5:55 a.m.-11:27 p.m.

2 stops14h 32m

C$ 535

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Tue 9/12

4:45 p.m.-10:41 a.m.

1 stop20h 56m

Oakland

Wed 10/12

2:31 p.m.-3:35 p.m.

1 stop22h 04m

C$ 540

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Tue 6/1

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

1 stop10h 14m

Oakland

Wed 7/1

10:30 a.m.-3:35 p.m.

2 stops26h 05m

C$ 545

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Mon 8/12

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

1 stop10h 14m

Oakland

Sat 13/12

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

1 stop29h 55m

C$ 546

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Tue 9/12

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

1 stop10h 14m

Oakland

Wed 10/12

9:45 a.m.-3:35 p.m.

2 stops26h 50m

C$ 554

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Sun 7/12

6:05 p.m.-12:08 a.m.

2 stops9h 03m

Oakland

Thu 11/12

5:55 a.m.-11:27 p.m.

2 stops14h 32m

C$ 601

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Mon 17/11

12:08 p.m.-12:03 a.m.

2 stops14h 55m

Oakland

Wed 3/12

5:55 a.m.-11:27 p.m.

2 stops14h 32m

C$ 656

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Tue 9/12

9:10 a.m.-11:59 p.m.

2 stops17h 49m

Oakland

Tue 16/12

2:31 p.m.-3:35 p.m.

1 stop22h 04m

C$ 677

Flights are sorted by cheapest round-trip flights 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 day to depart on your flight to Oakland, California?

The cheapest day to depart from Region of Ontario to Oakland, California is on a Friday. Travellers who choose to depart for Oakland, California on a Friday will often find tickets for as low as C$ 549. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around C$ 942. These prices are subject to change though, so be sure to set up a Price Alert for flights to Oakland, California.

What is the cheapest time of day to depart on your flight to Oakland, California?

In the morning is the cheapest time of day to fly from Region of Ontario to Oakland, California when you can find flight prices for as low as C$ 703. Flying to Oakland, California in the morning is an ideal time because this is during off-peak travel hours. Flights to Oakland, California are more costly in the afternoon, with an average ticket price of C$ 856. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

Direct flights

None
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

  • 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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