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

Alaska Airlines is the most popular carrier operating from Oakland to Ontario

What airlines fly to Region of Ontario?

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Region of Ontario from Oakland, California according to our data. Air Canada is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 8 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Oakland Airport to Ontario refresh daily.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oakland Airport to Ontario.

What documentation or ID do you need to fly to Ontario?

The necessary travel and health documents for your Ontario trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$126 Cheap Flights from Oakland, California to Ontario in 2026/27

Find the cheapest flights from Oakland, California to Ontario

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:24 am - 6:51 amOAK Oakland-YYZ Toronto Pearson Intl

16h 27m1 stop Las Vegas Harry Reid Intl

8:30 pm - 11:33 amYYZ Toronto Pearson Intl-OAK Oakland

18h 03m1 stop Las Vegas Harry Reid Intl

$306Multiple Airlines

Fri, Nov 27 - Mon, Nov 30

11:24 am - 6:51 amOAK Oakland-YYZ Toronto Pearson Intl

16h 27m1 stop Las Vegas Harry Reid Intl

2:15 pm - 11:33 amYYZ Toronto Pearson Intl-OAK Oakland

24h 18m2 stops Calgary Las Vegas Harry Reid Intl

$311Multiple Airlines

Fri, Nov 27 - Tue, Dec 1

11:24 am - 6:51 amOAK Oakland-YYZ Toronto Pearson Intl

16h 27m1 stop Las Vegas Harry Reid Intl

11:30 am - 11:33 amYYZ Toronto Pearson Intl-OAK Oakland

27h 03m1 stop Las Vegas Harry Reid Intl

$315Multiple Airlines

Fri, Nov 27 - Tue, Dec 1

3:58 pm - 6:51 amOAK Oakland-YYZ Toronto Pearson Intl

11h 53m1 stop Las Vegas Harry Reid Intl

8:30 pm - 11:33 amYYZ Toronto Pearson Intl-OAK Oakland

18h 03m1 stop Las Vegas Harry Reid Intl

$324Multiple Airlines

Thu, Nov 26 - Mon, Nov 30

3:58 pm - 6:51 amOAK Oakland-YYZ Toronto Pearson Intl

11h 53m1 stop Las Vegas Harry Reid Intl

2:15 pm - 11:33 amYYZ Toronto Pearson Intl-OAK Oakland

24h 18m2 stops Calgary Las Vegas Harry Reid Intl

$328Multiple Airlines

Thu, Nov 26 - Tue, Dec 1

3:58 pm - 6:51 amOAK Oakland-YYZ Toronto Pearson Intl

11h 53m1 stop Las Vegas Harry Reid Intl

11:30 am - 11:33 amYYZ Toronto Pearson Intl-OAK Oakland

27h 03m1 stop Las Vegas Harry Reid Intl

$332Multiple Airlines

Thu, Nov 26 - Tue, Dec 1

3:52 pm - 6:51 amOAK Oakland-YYZ Toronto Pearson Intl

11h 59m1 stop Las Vegas Harry Reid Intl

8:30 pm - 11:33 amYYZ Toronto Pearson Intl-OAK Oakland

18h 03m1 stop Las Vegas Harry Reid Intl

$333Multiple Airlines

Sat, Nov 21 - Mon, Nov 30

12:28 pm - 6:52 amOAK Oakland-YYZ Toronto Pearson Intl

15h 24m1 stop Las Vegas Harry Reid Intl

8:30 pm - 5:25 pmYYZ Toronto Pearson Intl-OAK Oakland

23h 55m1 stop Las Vegas Harry Reid Intl

$337Multiple Airlines

Thu, Dec 10 - Thu, Dec 17

11:24 am - 5:00 amOAK Oakland-YYZ Toronto Pearson Intl

14h 36m2 stops Las Vegas Harry Reid Intl Calgary

8:30 pm - 11:33 amYYZ Toronto Pearson Intl-OAK Oakland

18h 03m1 stop Las Vegas Harry Reid Intl

$343Multiple Airlines

Fri, Nov 27 - Mon, Nov 30

11:24 am - 6:51 amOAK Oakland-YYZ Toronto Pearson Intl

16h 27m1 stop Las Vegas Harry Reid Intl

11:30 am - 11:33 amYYZ Toronto Pearson Intl-OAK Oakland

27h 03m1 stop Las Vegas Harry Reid Intl

$362Multiple Airlines

Fri, Nov 20 - Tue, Dec 1

Cheap last minute flights

Enter your travel dates to find the best prices.

7:12 pm - 6:55 pmOAK Oakland-YYZ Toronto Pearson Intl

20h 43m1 stop Guadalajara Miguel Hidal

8:30 pm - 11:33 amYYZ Toronto Pearson Intl-OAK Oakland

18h 03m1 stop Las Vegas Harry Reid Intl

$535Multiple Airlines

Sun, Nov 1 - Mon, Dec 14

7:12 pm - 6:55 pmOAK Oakland-YYZ Toronto Pearson Intl

20h 43m1 stop Guadalajara Miguel Hidal

8:30 pm - 11:33 amYYZ Toronto Pearson Intl-OAK Oakland

18h 03m1 stop Las Vegas Harry Reid Intl

$625Multiple Airlines

Sun, Nov 1 - Sat, Dec 12

7:12 pm - 6:55 pmOAK Oakland-YYZ Toronto Pearson Intl

20h 43m1 stop Guadalajara Miguel Hidal

11:30 am - 11:26 pmYYZ Toronto Pearson Intl-OAK Oakland

14h 56m2 stops Las Vegas Harry Reid Intl San Diego

$639Multiple Airlines

Sun, Nov 1 - Wed, Dec 16

7:12 pm - 6:55 pmOAK Oakland-YYZ Toronto Pearson Intl

20h 43m1 stop Guadalajara Miguel Hidal

8:30 pm - 9:56 amYYZ Toronto Pearson Intl-OAK Oakland

16h 26m2 stops Las Vegas Harry Reid Intl San Diego

$651Multiple Airlines

Sun, Nov 1 - Mon, Dec 14

5:55 pm - 6:51 amOAK Oakland-YYZ Toronto Pearson Intl

9h 56m1 stop Las Vegas Harry Reid Intl

11:30 am - 11:33 amYYZ Toronto Pearson Intl-OAK Oakland

27h 03m1 stop Las Vegas Harry Reid Intl

$677Multiple Airlines

Sun, Nov 1 - Tue, Dec 15

7:12 pm - 6:55 pmOAK Oakland-YYZ Toronto Pearson Intl

20h 43m1 stop Guadalajara Miguel Hidal

6:10 am - 4:15 pmYYZ Toronto Pearson Intl-OAK Oakland

13h 05m2 stops Calgary San Diego

$681Multiple Airlines

Sun, Nov 1 - Sat, Dec 12

7:12 pm - 6:55 pmOAK Oakland-YYZ Toronto Pearson Intl

20h 43m1 stop Guadalajara Miguel Hidal

7:30 am - 6:06 pmYYZ Toronto Pearson Intl-OAK Oakland

13h 36m2 stops Calgary Seattle/Tacoma Intl

$683Multiple Airlines

Sun, Nov 1 - Thu, Dec 17

7:12 pm - 6:55 pmOAK Oakland-YYZ Toronto Pearson Intl

20h 43m1 stop Guadalajara Miguel Hidal

6:10 am - 6:12 pmYYZ Toronto Pearson Intl-OAK Oakland

15h 02m2 stops Calgary San Diego

$690Multiple Airlines

Sun, Nov 1 - Sun, Dec 13

5:55 pm - 6:51 amOAK Oakland-YYZ Toronto Pearson Intl

9h 56m1 stop Las Vegas Harry Reid Intl

8:30 pm - 5:25 pmYYZ Toronto Pearson Intl-OAK Oakland

23h 55m1 stop Las Vegas Harry Reid Intl

$701Multiple Airlines

Sun, Nov 1 - Thu, Dec 17

7:10 pm - 4:05 pmOAK Oakland-YYZ Toronto Pearson Intl

17h 55m2 stops Portland Seattle/Tacoma Intl

5:15 pm - 9:19 pmYYZ Toronto Pearson Intl-OAK Oakland

31h 04m2 stops Seattle/Tacoma Intl Portland

$713Alaska Airlines

Fri, Oct 30 - Thu, Nov 12

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Use the filters below to find and compare flights from Oakland, California to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OaklandToronto

OAK Oakland - YYZ Toronto Pearson Intl

OAKYYZ

Oakland

Fri 11/27

11:24 am-6:51 am

1 stop16h 27m

Toronto Pearson Intl

Mon 11/30

8:30 pm-11:33 am

1 stop18h 03m

$306

OaklandToronto

OAK Oakland - YYZ Toronto Pearson Intl

OAKYYZ

Oakland

Fri 11/27

11:24 am-6:51 am

1 stop16h 27m

Toronto Pearson Intl

Tue 12/1

2:15 pm-11:33 am

2 stops24h 18m

$311

OaklandToronto

OAK Oakland - YYZ Toronto Pearson Intl

OAKYYZ

Oakland

Fri 11/27

11:24 am-6:51 am

1 stop16h 27m

Toronto Pearson Intl

Tue 12/1

11:30 am-11:33 am

1 stop27h 03m

$315

Quickest round-trip

OaklandToronto

OAK Oakland - YYZ Toronto Pearson Intl

OAKYYZ

Oakland

Thu 11/26

3:58 pm-6:51 am

1 stop11h 53m

Toronto Pearson Intl

Mon 11/30

8:30 pm-11:33 am

1 stop18h 03m

$324

OaklandToronto

OAK Oakland - YYZ Toronto Pearson Intl

OAKYYZ

Oakland

Thu 11/26

3:58 pm-6:51 am

1 stop11h 53m

Toronto Pearson Intl

Tue 12/1

2:15 pm-11:33 am

2 stops24h 18m

$328

OaklandToronto

OAK Oakland - YYZ Toronto Pearson Intl

OAKYYZ

Oakland

Thu 11/26

3:58 pm-6:51 am

1 stop11h 53m

Toronto Pearson Intl

Tue 12/1

11:30 am-11:33 am

1 stop27h 03m

$332

OaklandToronto

OAK Oakland - YYZ Toronto Pearson Intl

OAKYYZ

Oakland

Sat 11/21

3:52 pm-6:51 am

1 stop11h 59m

Toronto Pearson Intl

Mon 11/30

8:30 pm-11:33 am

1 stop18h 03m

$333

OaklandToronto

OAK Oakland - YYZ Toronto Pearson Intl

OAKYYZ

Oakland

Thu 12/10

12:28 pm-6:52 am

1 stop15h 24m

Toronto Pearson Intl

Thu 12/17

8:30 pm-5:25 pm

1 stop23h 55m

$337

OaklandToronto

OAK Oakland - YYZ Toronto Pearson Intl

OAKYYZ

Oakland

Fri 11/27

11:24 am-5:00 am

2 stops14h 36m

Toronto Pearson Intl

Mon 11/30

8:30 pm-11:33 am

1 stop18h 03m

$343

OaklandToronto

OAK Oakland - YYZ Toronto Pearson Intl

OAKYYZ

Oakland

Fri 11/20

11:24 am-6:51 am

1 stop16h 27m

Toronto Pearson Intl

Tue 12/1

11:30 am-11:33 am

1 stop27h 03m

$362

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Prices

Airlines

Can stopping save me money on Oakland, California to Region of Ontario flights?

You could potentially save up to 28% on your flight if you consider stops on a Oakland, California to Region of Ontario flight.

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

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

Best Price Found	$126
Fastest flight time	7h 44m
Direct flights	None

The best one-way flight to Region of Ontario from Oakland, California in the past 72 hours is $126. The best round-trip flight deal from Oakland, California to Region of Ontario found on momondo in the last 72 hours is $306.

The fastest flight from Oakland, California to Region of Ontario takes 7h 44m

There are no direct flights from Oakland, California to Region of Ontario. There are no popular flight routes from Oakland, California to Region of Ontario.

Search flight deals

Frequently asked questions about flying from Oakland, California to Ontario

When did momondo last update prices for flights from Oakland Airport to Ontario?
Prices for flights from Oakland Airport to Ontario refresh daily.
How old do you have to be to fly from Oakland Airport to Ontario?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oakland Airport to Ontario.
What documentation or ID do you need to fly to Ontario?
The necessary travel and health documents for your Ontario trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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 Oakland to Ontario?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Oakland to Ontario. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Oakland to Ontario flights to just show those with flexible booking policies.

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

Once all potential Oakland to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Ontario from Oakland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.