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$ 283 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.

6:50 p.m. - 3:45 p.m.

OAK

YYZ

17h 55m

2 stops

4:55 p.m. - 10:55 p.m.

YYZ

OAK

9h 00m

1 stop

C$ 789Alaska Airlines

Tue, 13 Oct - Fri, 30 Oct

6:50 p.m. - 3:45 p.m.

OAK

YYZ

17h 55m

2 stops

4:55 p.m. - 4:24 p.m.

YYZ

OAK

26h 29m

2 stops

C$ 804Alaska Airlines

Tue, 13 Oct - Fri, 30 Oct

6:50 p.m. - 3:45 p.m.

OAK

YYZ

17h 55m

2 stops

4:55 p.m. - 9:43 a.m.

YYZ

OAK

19h 48m

2 stops

C$ 825Alaska Airlines

Tue, 13 Oct - Thu, 29 Oct

6:00 a.m. - 4:40 p.m.

OAK

YYZ

7h 40m

1 stop

6:25 p.m. - 11:48 a.m.

YYZ

OAK

20h 23m

2 stops

C$ 829Delta

Mon, 24 Aug - Fri, 28 Aug

5:03 p.m. - 11:57 p.m.

OAK

YUL

27h 54m

2 stops

7:00 a.m. - 11:59 p.m.

YUL

OAK

19h 59m

2 stops

C$ 831Delta

Tue, 22 Sep - Tue, 29 Sep

7:51 p.m. - 3:45 p.m.

OAK

YYZ

16h 54m

1 stop

4:55 p.m. - 10:55 p.m.

YYZ

OAK

9h 00m

1 stop

C$ 835Alaska Airlines

Fri, 2 Oct - Sat, 10 Oct

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

OAK

YYZ

15h 25m

2 stops

6:25 p.m. - 11:48 a.m.

YYZ

OAK

20h 23m

2 stops

C$ 836Delta

Sat, 22 Aug - Fri, 28 Aug

7:00 a.m. - 3:45 p.m.

OAK

YYZ

29h 45m

1 stop

4:55 p.m. - 10:55 p.m.

YYZ

OAK

9h 00m

1 stop

C$ 838Alaska Airlines

Wed, 14 Oct - Wed, 28 Oct

5:03 p.m. - 11:44 p.m.

OAK

YUL

27h 41m

2 stops

7:00 a.m. - 11:59 p.m.

YUL

OAK

19h 59m

2 stops

C$ 841Delta

Fri, 25 Sep - Tue, 29 Sep

11:15 p.m. - 12:20 a.m.

OAK

YOW

22h 05m

3 stops

7:00 a.m. - 9:44 p.m.

YOW

OAK

17h 44m

3 stops

C$ 1,297Multiple Airlines

Mon, 6 Jul - Fri, 10 Jul

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Delta flights from Oakland, California to Region of Ontario

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

Delta

24 Aug

OAK6:00 a.m.Oakland

7h 40m

1 stop

YYZ4:40 p.m.Toronto Pearson Intl

25 Aug

YYZ6:25 p.m.Toronto Pearson Intl

20h 27m

2 stops

OAK11:52 a.m.Oakland

C$ 829

Delta

22 Sep

OAK5:03 p.m.Oakland

27h 54m

2 stops

YUL11:57 p.m.Montreal Pierre Elliott Trudeau Intl

30 Sep

YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl

19h 59m

2 stops

OAK11:59 p.m.Oakland

C$ 831

Delta

22 Aug

OAK5:00 p.m.Oakland

15h 25m

2 stops

YYZ11:25 a.m.Toronto Pearson Intl

25 Aug

YYZ6:25 p.m.Toronto Pearson Intl

20h 27m

2 stops

OAK11:52 a.m.Oakland

C$ 836

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

13 Oct

OAK6:50 p.m.Oakland

17h 55m

2 stops

YYZ3:45 p.m.Toronto Pearson Intl

30 Oct

YYZ4:55 p.m.Toronto Pearson Intl

9h 00m

1 stop

OAK10:55 p.m.Oakland

C$ 789

Alaska Airlines

13 Oct

OAK6:50 p.m.Oakland

17h 55m

2 stops

YYZ3:45 p.m.Toronto Pearson Intl

30 Oct

YYZ4:55 p.m.Toronto Pearson Intl

26h 29m

2 stops

OAK4:24 p.m.Oakland

C$ 804

Alaska Airlines

13 Oct

OAK6:50 p.m.Oakland

17h 55m

2 stops

YYZ3:45 p.m.Toronto Pearson Intl

29 Oct

YYZ4:55 p.m.Toronto Pearson Intl

19h 48m

2 stops

OAK9:43 a.m.Oakland

C$ 825

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

Tue 13/10

6:50 p.m.-3:45 p.m.

2 stops17h 55m

Toronto Pearson Intl

Fri 30/10

4:55 p.m.-10:55 p.m.

1 stop9h 00m

C$ 789

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Tue 13/10

6:50 p.m.-3:45 p.m.

2 stops17h 55m

Toronto Pearson Intl

Fri 30/10

4:55 p.m.-4:24 p.m.

2 stops26h 29m

C$ 804

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Tue 13/10

6:50 p.m.-3:45 p.m.

2 stops17h 55m

Toronto Pearson Intl

Thu 29/10

4:55 p.m.-9:43 a.m.

2 stops19h 48m

C$ 825

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Mon 24/8

6:00 a.m.-4:40 p.m.

1 stop7h 40m

Toronto Pearson Intl

Fri 28/8

6:25 p.m.-11:48 a.m.

2 stops20h 23m

C$ 829

OaklandMontreal

OAK - YUL

OAKYUL

Oakland

Tue 22/9

5:03 p.m.-11:57 p.m.

2 stops27h 54m

Montreal Pierre Elliott Trudeau Intl

Tue 29/9

7:00 a.m.-11:59 p.m.

2 stops19h 59m

C$ 831

Quickest round-trip

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Fri 2/10

7:51 p.m.-3:45 p.m.

1 stop16h 54m

Toronto Pearson Intl

Sat 10/10

4:55 p.m.-10:55 p.m.

1 stop9h 00m

C$ 835

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Sat 22/8

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

2 stops15h 25m

Toronto Pearson Intl

Fri 28/8

6:25 p.m.-11:48 a.m.

2 stops20h 23m

C$ 836

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Wed 14/10

7:00 a.m.-3:45 p.m.

1 stop29h 45m

Toronto Pearson Intl

Wed 28/10

4:55 p.m.-10:55 p.m.

1 stop9h 00m

C$ 838

OaklandMontreal

OAK - YUL

OAKYUL

Oakland

Fri 25/9

5:03 p.m.-11:44 p.m.

2 stops27h 41m

Montreal Pierre Elliott Trudeau Intl

Tue 29/9

7:00 a.m.-11:59 p.m.

2 stops19h 59m

C$ 841

OaklandOttawa

OAK - YOW

OAKYOW

Oakland

Mon 6/7

11:15 p.m.-12:20 a.m.

3 stops22h 05m

Ottawa

Fri 10/7

7:00 a.m.-9:44 p.m.

3 stops17h 44m

C$ 1,297

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

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

Delta is the most popular carrier operating from Oakland to Ontario

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 54% of people opting to fly with this airline when travelling to Region of Ontario. Keep in mind that there are 5 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

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.