Which airlines fly to Region of Ontario?

Porter Airlines, Air Canada and United Airlines are the top three most popular airlines that fly to Region of Ontario from Oakland, California according to our data. Porter Airlines is the first choice among our users, with 51% of people opting to fly with this airline when travelling to Region of Ontario. Keep in mind that there are 6 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 is the most popular carrier 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 are updated daily.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Oakland Airport to Ontario.

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

The travel and health documents you'll need for your trip to Ontario 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 Ontario. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 293 Cheap Flights from Oakland to Ontario in 2026

1 adult

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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.

5:55 a.m. - 4:45 p.m.

OAK

YYZ

7h 50m

1 stop

5:50 p.m. - 11:49 p.m.

YYZ

OAK

8h 59m

1 stop

C$ 709Delta

Wed, 16 Sep - Tue, 22 Sep

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

OAK

YYZ

7h 35m

1 stop

5:45 p.m. - 11:54 p.m.

YYZ

OAK

9h 09m

1 stop

C$ 710Delta

Tue, 16 Jun - Tue, 23 Jun

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

OAK

YYZ

7h 35m

1 stop

6:30 a.m. - 4:23 p.m.

YYZ

OAK

12h 53m

2 stops

C$ 722Delta

Sat, 20 Jun - Sun, 28 Jun

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

OAK

YYZ

7h 35m

1 stop

5:45 p.m. - 11:54 p.m.

YYZ

OAK

9h 09m

1 stop

C$ 724Delta

Tue, 16 Jun - Tue, 23 Jun

5:55 a.m. - 4:45 p.m.

OAK

YYZ

7h 50m

1 stop

5:50 p.m. - 11:56 p.m.

YYZ

OAK

9h 06m

1 stop

C$ 728Delta

Wed, 30 Sep - Wed, 7 Oct

6:00 a.m. - 11:58 p.m.

OAK

YYZ

14h 58m

2 stops

12:09 p.m. - 11:54 p.m.

YYZ

OAK

14h 45m

2 stops

C$ 731Delta

Sat, 27 Jun - Thu, 2 Jul

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

OAK

YYZ

7h 35m

1 stop

6:14 p.m. - 11:50 p.m.

YYZ

OAK

8h 36m

2 stops

C$ 737Delta

Tue, 23 Jun - Wed, 8 Jul

8:04 a.m. - 1:05 a.m.

OAK

YYZ

14h 01m

2 stops

4:55 p.m. - 11:59 p.m.

YYZ

OAK

10h 04m

1 stop

C$ 743Multiple Airlines

Wed, 30 Sep - Wed, 7 Oct

5:55 p.m. - 8:55 a.m.

OAK

YYZ

12h 00m

2 stops

4:10 p.m. - 11:54 p.m.

YYZ

OAK

10h 44m

2 stops

C$ 744Delta

Sat, 6 Jun - Tue, 9 Jun

11:30 p.m. - 2:15 p.m.

OAK

YTZ

35h 45m

3 stops

6:55 p.m. - 9:44 p.m.

YTZ

OAK

29h 49m

3 stops

C$ 1,319Multiple Airlines

Mon, 1 Jun - Mon, 8 Jun

Delta flights from Oakland, California to Region of Ontario

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

Delta

16 Sep

OAK5:55 a.m.Oakland

7h 50m

1 stop

YYZ4:45 p.m.Toronto Pearson Intl

22 Sep

YYZ5:50 p.m.Toronto Pearson Intl

8h 59m

1 stop

OAK11:49 p.m.Oakland

C$ 709

Delta

16 Jun

OAK6:00 a.m.Oakland

7h 35m

1 stop

YYZ4:35 p.m.Toronto Pearson Intl

23 Jun

YYZ5:45 p.m.Toronto Pearson Intl

9h 09m

1 stop

OAK11:54 p.m.Oakland

C$ 710

Delta

20 Jun

OAK6:00 a.m.Oakland

7h 35m

1 stop

YYZ4:35 p.m.Toronto Pearson Intl

28 Jun

YYZ6:30 a.m.Toronto Pearson Intl

12h 53m

2 stops

OAK4:23 p.m.Oakland

C$ 722

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

1 Jun

OAK2:58 p.m.Oakland

21h 47m

2 stops

YYZ3:45 p.m.Toronto Pearson Intl

6 Jun

YYZ4:55 p.m.Toronto Pearson Intl

19h 00m

2 stops

OAK8:55 a.m.Oakland

C$ 813

Alaska Airlines

15 May

OAK7:00 a.m.Oakland

29h 45m

1 stop

YYZ3:45 p.m.Toronto Pearson Intl

19 May

YYZ4:55 p.m.Toronto Pearson Intl

10h 04m

1 stop

OAK11:59 p.m.Oakland

C$ 854

Alaska Airlines

15 May

OAK7:00 a.m.Oakland

29h 45m

1 stop

YYZ3:45 p.m.Toronto Pearson Intl

19 May

YYZ4:55 p.m.Toronto Pearson Intl

19h 00m

2 stops

OAK8:55 a.m.Oakland

C$ 867

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

Wed 16/9

5:55 a.m.-4:45 p.m.

1 stop7h 50m

Toronto Pearson Intl

Tue 22/9

5:50 p.m.-11:49 p.m.

1 stop8h 59m

C$ 709

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Tue 16/6

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

1 stop7h 35m

Toronto Pearson Intl

Tue 23/6

5:45 p.m.-11:54 p.m.

1 stop9h 09m

C$ 710

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Sat 20/6

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

1 stop7h 35m

Toronto Pearson Intl

Sun 28/6

6:30 a.m.-4:23 p.m.

2 stops12h 53m

C$ 722

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Tue 16/6

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

1 stop7h 35m

Toronto Pearson Intl

Tue 23/6

5:45 p.m.-11:54 p.m.

1 stop9h 09m

C$ 724

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Wed 30/9

5:55 a.m.-4:45 p.m.

1 stop7h 50m

Toronto Pearson Intl

Wed 7/10

5:50 p.m.-11:56 p.m.

1 stop9h 06m

C$ 728

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Sat 27/6

6:00 a.m.-11:58 p.m.

2 stops14h 58m

Toronto Pearson Intl

Thu 2/7

12:09 p.m.-11:54 p.m.

2 stops14h 45m

C$ 731

Quickest round-trip

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Tue 23/6

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

1 stop7h 35m

Toronto Pearson Intl

Wed 8/7

6:14 p.m.-11:50 p.m.

2 stops8h 36m

C$ 737

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Wed 30/9

8:04 a.m.-1:05 a.m.

2 stops14h 01m

Toronto Pearson Intl

Wed 7/10

4:55 p.m.-11:59 p.m.

1 stop10h 04m

C$ 743

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Sat 6/6

5:55 p.m.-8:55 a.m.

2 stops12h 00m

Toronto Pearson Intl

Tue 9/6

4:10 p.m.-11:54 p.m.

2 stops10h 44m

C$ 744

OaklandToronto

OAK - YTZ

OAKYTZ

Oakland

Mon 1/6

11:30 p.m.-2:15 p.m.

3 stops35h 45m

Toronto Island

Mon 8/6

6:55 p.m.-9:44 p.m.

3 stops29h 49m

C$ 1,319

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

What is the cheapest month to fly to Region of Ontario?

In general, January is the cheapest month to fly from Oakland, California to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 0. If you are unable to visit Region of Ontario during the month of January, then departing from Oakland, California during the month October is also very affordable. Most momondo users find prices during this month for around C$ 235.

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 are updated daily.
How old do you have to be to fly from Oakland Airport to Ontario?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Oakland Airport to Ontario.
What documentation or ID do you need to fly to Ontario?
The travel and health documents you'll need for your trip to Ontario 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 Ontario. 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 Oakland to Ontario?

It is quick and easy to find Oakland to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

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

Yes. momondo enables you to select and highlight flights to Ontario from Oakland with this policy.

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

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

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

Yes. momondo can track prices for Oakland to Ontario 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.