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$ 321 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.

8:39 p.m. - 5:09 p.m.

OAK

YYZ

17h 30m

1 stop

8:35 p.m. - 11:18 a.m.

YYZ

OAK

17h 43m

1 stop

C$ 572Multiple Airlines

Sun, 20 Sep - Fri, 25 Sep

8:37 p.m. - 5:09 p.m.

OAK

YYZ

17h 32m

1 stop

8:35 p.m. - 11:18 a.m.

YYZ

OAK

17h 43m

1 stop

C$ 605Multiple Airlines

Fri, 4 Sep - Tue, 8 Sep

8:37 p.m. - 5:09 p.m.

OAK

YYZ

17h 32m

1 stop

8:35 p.m. - 11:51 a.m.

YYZ

OAK

18h 16m

1 stop

C$ 607Multiple Airlines

Mon, 7 Sep - Mon, 14 Sep

8:37 p.m. - 5:09 p.m.

OAK

YYZ

17h 32m

1 stop

8:35 p.m. - 11:18 a.m.

YYZ

OAK

17h 43m

1 stop

C$ 619Multiple Airlines

Fri, 4 Sep - Tue, 8 Sep

6:48 a.m. - 5:45 a.m.

OAK

YYZ

19h 57m

2 stops

8:35 p.m. - 11:51 a.m.

YYZ

OAK

18h 16m

1 stop

C$ 628Multiple Airlines

Thu, 1 Oct - Mon, 5 Oct

8:37 p.m. - 5:09 p.m.

OAK

YYZ

17h 32m

1 stop

8:00 a.m. - 11:10 p.m.

YYZ

OAK

18h 10m

2 stops

C$ 640Multiple Airlines

Mon, 7 Sep - Mon, 14 Sep

12:13 p.m. - 6:39 a.m.

OAK

YYZ

15h 26m

1 stop

11:10 p.m. - 11:18 a.m.

YYZ

OAK

39h 08m

2 stops

C$ 678Multiple Airlines

Sun, 6 Sep - Sun, 13 Sep

12:13 p.m. - 6:39 a.m.

OAK

YYZ

15h 26m

1 stop

3:50 p.m. - 11:18 a.m.

YYZ

OAK

22h 28m

2 stops

C$ 683Multiple Airlines

Wed, 2 Sep - Wed, 9 Sep

5:05 p.m. - 3:59 p.m.

OAK

YUL

19h 54m

2 stops

6:15 p.m. - 11:56 p.m.

YUL

OAK

32h 41m

2 stops

C$ 837Delta

Mon, 16 Nov - Wed, 25 Nov

5:00 p.m. - 11:40 p.m.

OAK

YUL

27h 40m

2 stops

6:00 a.m. - 10:38 p.m.

YUL

OAK

19h 38m

2 stops

C$ 902Delta

Sat, 15 Aug - Sat, 5 Sep

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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

5 Sep

OAK7:51 p.m.Oakland

16h 54m

1 stop

YYZ3:45 p.m.Toronto Pearson Intl

9 Sep

YYZ4:55 p.m.Toronto Pearson Intl

8h 59m

1 stop

OAK10:54 p.m.Oakland

C$ 817

Alaska Airlines

5 Sep

OAK8:04 a.m.Oakland

28h 41m

2 stops

YYZ3:45 p.m.Toronto Pearson Intl

9 Sep

YYZ4:55 p.m.Toronto Pearson Intl

8h 59m

1 stop

OAK10:54 p.m.Oakland

C$ 833

Alaska Airlines

28 Sep

OAK10:23 a.m.Oakland

26h 22m

1 stop

YYZ3:45 p.m.Toronto Pearson Intl

1 Oct

YYZ4:55 p.m.Toronto Pearson Intl

8h 59m

1 stop

OAK10:54 p.m.Oakland

C$ 836

Delta flights from Oakland, California to Region of Ontario

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

Delta

16 Nov

OAK5:05 p.m.Oakland

19h 54m

2 stops

YUL3:59 p.m.Montreal Pierre Elliott Trudeau Intl

25 Nov

YUL6:15 p.m.Montreal Pierre Elliott Trudeau Intl

32h 41m

2 stops

OAK11:56 p.m.Oakland

C$ 837

Delta

25 Aug

OAK6:00 a.m.Oakland

7h 40m

1 stop

YYZ4:40 p.m.Toronto Pearson Intl

9 Sep

YYZ5:54 p.m.Toronto Pearson Intl

9h 05m

1 stop

OAK11:59 p.m.Oakland

C$ 860

Delta

11 Sep

OAK5:00 p.m.Oakland

14h 23m

2 stops

YYZ10:23 a.m.Toronto Pearson Intl

21 Sep

YYZ6:25 p.m.Toronto Pearson Intl

20h 34m

2 stops

OAK11:59 a.m.Oakland

C$ 864

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

Quickest round-trip

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Sun 20/9

8:39 p.m.-5:09 p.m.

1 stop17h 30m

Toronto Pearson Intl

Fri 25/9

8:35 p.m.-11:18 a.m.

1 stop17h 43m

C$ 572

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Fri 4/9

8:37 p.m.-5:09 p.m.

1 stop17h 32m

Toronto Pearson Intl

Tue 8/9

8:35 p.m.-11:18 a.m.

1 stop17h 43m

C$ 604

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Mon 7/9

8:37 p.m.-5:09 p.m.

1 stop17h 32m

Toronto Pearson Intl

Mon 14/9

8:35 p.m.-11:51 a.m.

1 stop18h 16m

C$ 607

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Fri 4/9

8:37 p.m.-5:09 p.m.

1 stop17h 32m

Toronto Pearson Intl

Tue 8/9

8:35 p.m.-11:18 a.m.

1 stop17h 43m

C$ 619

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Thu 1/10

6:48 a.m.-5:45 a.m.

2 stops19h 57m

Toronto Pearson Intl

Mon 5/10

8:35 p.m.-11:51 a.m.

1 stop18h 16m

C$ 628

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Mon 7/9

8:37 p.m.-5:09 p.m.

1 stop17h 32m

Toronto Pearson Intl

Mon 14/9

8:00 a.m.-11:10 p.m.

2 stops18h 10m

C$ 640

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Sun 6/9

12:13 p.m.-6:39 a.m.

1 stop15h 26m

Toronto Pearson Intl

Sun 13/9

11:10 p.m.-11:18 a.m.

2 stops39h 08m

C$ 678

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Wed 2/9

12:13 p.m.-6:39 a.m.

1 stop15h 26m

Toronto Pearson Intl

Wed 9/9

3:50 p.m.-11:18 a.m.

2 stops22h 28m

C$ 683

OaklandMontreal

OAK - YUL

OAKYUL

Oakland

Mon 16/11

5:05 p.m.-3:59 p.m.

2 stops19h 54m

Montreal Pierre Elliott Trudeau Intl

Wed 25/11

6:15 p.m.-11:56 p.m.

2 stops32h 41m

C$ 837

OaklandMontreal

OAK - YUL

OAKYUL

Oakland

Sat 15/8

5:00 p.m.-11:40 p.m.

2 stops27h 40m

Montreal Pierre Elliott Trudeau Intl

Sat 5/9

6:00 a.m.-10:38 p.m.

2 stops19h 38m

C$ 902

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 and Alaska Airlines are the most popular carriers 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 48% 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.