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 37% 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.

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

Delta and Alaska Airlines are the most popular carriers operating from Oakland 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.

$172 Cheap Flights from Oakland, California to Ontario in 2026

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.

8:37 pm - 5:09 pm

OAK

YYZ

17h 32m

1 stop

8:35 pm - 11:51 am

YYZ

OAK

18h 16m

1 stop

$431Multiple Airlines

Mon, Sep 7 - Mon, Sep 14

12:47 pm - 5:45 am

OAK

YYZ

13h 58m

2 stops

8:35 pm - 11:51 am

YYZ

OAK

18h 16m

1 stop

$436Multiple Airlines

Tue, Sep 15 - Mon, Sep 21

12:47 pm - 5:09 pm

OAK

YYZ

25h 22m

1 stop

1:30 pm - 9:22 am

YYZ

OAK

22h 52m

2 stops

$444Multiple Airlines

Wed, Sep 9 - Wed, Sep 16

6:48 am - 5:45 am

OAK

YYZ

19h 57m

2 stops

8:35 pm - 11:51 am

YYZ

OAK

18h 16m

1 stop

$446Multiple Airlines

Thu, Oct 1 - Mon, Oct 5

8:37 pm - 5:09 pm

OAK

YYZ

17h 32m

1 stop

8:00 am - 11:10 pm

YYZ

OAK

18h 10m

2 stops

$454Multiple Airlines

Mon, Sep 7 - Mon, Sep 14

5:10 pm - 5:45 am

OAK

YYZ

33h 35m

2 stops

8:35 pm - 9:22 am

YYZ

OAK

15h 47m

1 stop

$472Multiple Airlines

Sun, Sep 6 - Sun, Sep 13

12:47 pm - 5:09 pm

OAK

YYZ

25h 22m

1 stop

8:00 am - 7:52 pm

YYZ

OAK

14h 52m

2 stops

$477Multiple Airlines

Wed, Sep 9 - Sat, Sep 12

12:13 pm - 6:39 am

OAK

YYZ

15h 26m

1 stop

11:10 pm - 11:18 am

YYZ

OAK

39h 08m

2 stops

$481Multiple Airlines

Sun, Sep 6 - Sun, Sep 13

12:13 pm - 6:41 am

OAK

YYZ

15h 28m

1 stop

7:00 am - 7:44 pm

YYZ

OAK

15h 44m

1 stop

$487Multiple Airlines

Sun, Sep 6 - Sun, Sep 13

12:13 pm - 6:39 am

OAK

YYZ

15h 26m

1 stop

8:35 pm - 9:22 am

YYZ

OAK

15h 47m

1 stop

$490Multiple Airlines

Sun, Sep 6 - Sun, Sep 13

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Alaska Airlines flights from Oakland, California to Region of Ontario

Our best Alaska Airlines deals on Oakland, California to Region of Ontario flight tickets

Alaska Airlines

Oct 18

OAK7:02 amOakland

29h 43m

1 stop

YYZ3:45 pmToronto Pearson Intl

Oct 31

YYZ5:15 pmToronto Pearson Intl

8h 40m

1 stop

OAK10:55 pmOakland

$551

Alaska Airlines

Sep 28

OAK10:23 amOakland

26h 22m

1 stop

YYZ3:45 pmToronto Pearson Intl

Oct 1

YYZ4:55 pmToronto Pearson Intl

8h 59m

1 stop

OAK10:54 pmOakland

$593

Alaska Airlines

Sep 22

OAK7:51 pmOakland

12h 08m

2 stops

YYZ10:59 amToronto Pearson Intl

Sep 23

YYZ4:55 pmToronto Pearson Intl

8h 59m

1 stop

OAK10:54 pmOakland

$605

Delta flights from Oakland, California to Region of Ontario

Our best Delta deals on Oakland, California to Region of Ontario flight tickets

Delta

Nov 16

OAK5:05 pmOakland

19h 54m

2 stops

YUL3:59 pmMontreal Pierre Elliott Trudeau Intl

Nov 25

YUL6:15 pmMontreal Pierre Elliott Trudeau Intl

32h 41m

2 stops

OAK11:56 pmOakland

$594

Delta

Sep 11

OAK5:00 pmOakland

14h 23m

2 stops

YYZ10:23 amToronto Pearson Intl

Sep 21

YYZ6:25 pmToronto Pearson Intl

20h 34m

2 stops

OAK11:59 amOakland

$613

Delta

Oct 20

OAK5:02 pmOakland

27h 57m

2 stops

YUL11:59 pmMontreal Pierre Elliott Trudeau Intl

Oct 28

YUL7:00 amMontreal Pierre Elliott Trudeau Intl

19h 56m

2 stops

OAK11:56 pmOakland

$618

momondo Fare Finder

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 - YYZ

OAKYYZ

Oakland

Mon 9/7

8:37 pm-5:09 pm

1 stop17h 32m

Toronto Pearson Intl

Mon 9/14

8:35 pm-11:51 am

1 stop18h 16m

$431

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Tue 9/15

12:47 pm-5:45 am

2 stops13h 58m

Toronto Pearson Intl

Mon 9/21

8:35 pm-11:51 am

1 stop18h 16m

$436

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Wed 9/9

12:47 pm-5:09 pm

1 stop25h 22m

Toronto Pearson Intl

Wed 9/16

1:30 pm-9:22 am

2 stops22h 52m

$444

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Thu 10/1

6:48 am-5:45 am

2 stops19h 57m

Toronto Pearson Intl

Mon 10/5

8:35 pm-11:51 am

1 stop18h 16m

$446

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Mon 9/7

8:37 pm-5:09 pm

1 stop17h 32m

Toronto Pearson Intl

Mon 9/14

8:00 am-11:10 pm

2 stops18h 10m

$454

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Sun 9/6

5:10 pm-5:45 am

2 stops33h 35m

Toronto Pearson Intl

Sun 9/13

8:35 pm-9:22 am

1 stop15h 47m

$472

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Wed 9/9

12:47 pm-5:09 pm

1 stop25h 22m

Toronto Pearson Intl

Sat 9/12

8:00 am-7:52 pm

2 stops14h 52m

$477

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Sun 9/6

12:13 pm-6:39 am

1 stop15h 26m

Toronto Pearson Intl

Sun 9/13

11:10 pm-11:18 am

2 stops39h 08m

$481

Quickest round-trip

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Sun 9/6

12:13 pm-6:41 am

1 stop15h 28m

Toronto Pearson Intl

Sun 9/13

7:00 am-7:44 pm

1 stop15h 44m

$487

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Sun 9/6

12:13 pm-6:39 am

1 stop15h 26m

Toronto Pearson Intl

Sun 9/13

8:35 pm-9:22 am

1 stop15h 47m

$490

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

Fastest flight time	7h 35m
Direct flights	None

The fastest flight from Oakland, California to Region of Ontario takes 7h 35m

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.