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$ 222 Cheap Flights from Oakland to Ontario in 2025/26

1 adult

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Find the cheapest flights from Oakland, California to Ontario

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One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:40 a.m. - 3:35 p.m.OAK-YYZ

29h 55m1 stop

4:45 p.m. - 1:32 p.m.YYZ-OAK

23h 47m1 stop

C$ 534Alaska Airlines

Find Deal

Tue, 2 Dec - Fri, 5 Dec

2:49 p.m. - 3:35 p.m.OAK-YYZ

21h 46m1 stop

4:45 p.m. - 11:59 p.m.YYZ-OAK

34h 14m1 stop

C$ 547Alaska Airlines

Find Deal

Tue, 18 Nov - Fri, 21 Nov

2:31 p.m. - 3:35 p.m.OAK-YYZ

22h 04m1 stop

4:45 p.m. - 4:28 p.m.YYZ-OAK

26h 43m1 stop

C$ 549Alaska Airlines

Find Deal

Wed, 10 Dec - Fri, 16 Jan

9:48 a.m. - 3:35 p.m.OAK-YYZ

26h 47m2 stops

4:45 p.m. - 11:59 p.m.YYZ-OAK

34h 14m1 stop

C$ 560Alaska Airlines

Find Deal

Tue, 18 Nov - Fri, 21 Nov

7:12 p.m. - 3:35 p.m.OAK-YYZ

17h 23m2 stops

4:45 p.m. - 11:59 p.m.YYZ-OAK

34h 14m1 stop

C$ 574Alaska Airlines

Find Deal

Fri, 14 Nov - Fri, 21 Nov

6:40 a.m. - 3:35 p.m.OAK-YYZ

29h 55m1 stop

4:45 p.m. - 11:03 a.m.YYZ-OAK

21h 18m1 stop

C$ 575Alaska Airlines

Find Deal

Wed, 10 Dec - Thu, 8 Jan

6:40 a.m. - 6:52 p.m.OAK-YYZ

33h 12m2 stops

4:45 p.m. - 11:59 p.m.YYZ-OAK

10h 14m1 stop

C$ 600Multiple Airlines

Find Deal

Wed, 22 Oct - Tue, 28 Oct

5:55 a.m. - 4:40 p.m.OAK-YYZ

7h 45m1 stop

5:50 p.m. - 11:53 p.m.YYZ-OAK

9h 03m1 stop

C$ 639Delta

Find Deal

Sat, 25 Oct - Mon, 27 Oct

5:55 a.m. - 11:18 p.m.OAK-YYZ

14h 23m2 stops

5:50 p.m. - 11:53 p.m.YYZ-OAK

9h 03m1 stop

C$ 652Delta

Find Deal

Sat, 25 Oct - Mon, 27 Oct

5:55 a.m. - 4:40 p.m.OAK-YYZ

7h 45m1 stop

7:40 a.m. - 12:03 a.m.YYZ-OAK

19h 23m2 stops

C$ 653Delta

Find Deal

Sat, 25 Oct - Mon, 10 Nov

Delta flights from Oakland, California to Region of Ontario

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

Delta

25 Oct

OAK5:55 a.m.Oakland

7h 45m

1 stop

YYZ4:40 p.m.Toronto Pearson Intl

27 Oct

YYZ5:50 p.m.Toronto Pearson Intl

9h 03m

1 stop

OAK11:53 p.m.Oakland

C$ 639

Find similar

Delta

25 Oct

OAK5:55 a.m.Oakland

14h 23m

2 stops

YYZ11:18 p.m.Toronto Pearson Intl

27 Oct

YYZ5:50 p.m.Toronto Pearson Intl

9h 03m

1 stop

OAK11:53 p.m.Oakland

C$ 652

Find similar

Delta

25 Oct

OAK5:55 a.m.Oakland

7h 45m

1 stop

YYZ4:40 p.m.Toronto Pearson Intl

10 Nov

YYZ7:40 a.m.Toronto Pearson Intl

19h 23m

2 stops

OAK12:03 a.m.Oakland

C$ 653

Find similar

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

2 Dec

OAK6:40 a.m.Oakland

29h 55m

1 stop

YYZ3:35 p.m.Toronto Pearson Intl

5 Dec

YYZ4:45 p.m.Toronto Pearson Intl

23h 47m

1 stop

OAK1:32 p.m.Oakland

C$ 534

Find similar

Alaska Airlines

18 Nov

OAK2:49 p.m.Oakland

21h 46m

1 stop

YYZ3:35 p.m.Toronto Pearson Intl

21 Nov

YYZ4:45 p.m.Toronto Pearson Intl

34h 14m

1 stop

OAK11:59 p.m.Oakland

C$ 547

Find similar

Alaska Airlines

10 Dec

OAK2:31 p.m.Oakland

22h 04m

1 stop

YYZ3:35 p.m.Toronto Pearson Intl

16 Jan

YYZ4:45 p.m.Toronto Pearson Intl

26h 43m

1 stop

OAK4:28 p.m.Oakland

C$ 549

Find similar

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

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Tue 2/12

6:40 a.m.-3:35 p.m.

1 stop29h 55m

Toronto Pearson Intl

Fri 5/12

4:45 p.m.-1:32 p.m.

1 stop23h 47m

C$ 534

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Tue 18/11

2:49 p.m.-3:35 p.m.

1 stop21h 46m

Toronto Pearson Intl

Fri 21/11

4:45 p.m.-11:59 p.m.

1 stop34h 14m

C$ 547

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Wed 10/12

2:31 p.m.-3:35 p.m.

1 stop22h 04m

Toronto Pearson Intl

Fri 16/1

4:45 p.m.-4:28 p.m.

1 stop26h 43m

C$ 549

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Tue 18/11

9:48 a.m.-3:35 p.m.

2 stops26h 47m

Toronto Pearson Intl

Fri 21/11

4:45 p.m.-11:59 p.m.

1 stop34h 14m

C$ 560

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Fri 14/11

7:12 p.m.-3:35 p.m.

2 stops17h 23m

Toronto Pearson Intl

Fri 21/11

4:45 p.m.-11:59 p.m.

1 stop34h 14m

C$ 574

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Wed 10/12

6:40 a.m.-3:35 p.m.

1 stop29h 55m

Toronto Pearson Intl

Thu 8/1

4:45 p.m.-11:03 a.m.

1 stop21h 18m

C$ 575

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Wed 22/10

6:40 a.m.-6:52 p.m.

2 stops33h 12m

Toronto Pearson Intl

Tue 28/10

4:45 p.m.-11:59 p.m.

1 stop10h 14m

C$ 600

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Sat 25/10

5:55 a.m.-4:40 p.m.

1 stop7h 45m

Toronto Pearson Intl

Mon 27/10

5:50 p.m.-11:53 p.m.

1 stop9h 03m

C$ 639

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Sat 25/10

5:55 a.m.-11:18 p.m.

2 stops14h 23m

Toronto Pearson Intl

Mon 27/10

5:50 p.m.-11:53 p.m.

1 stop9h 03m

C$ 652

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Sat 25/10

5:55 a.m.-4:40 p.m.

1 stop7h 45m

Toronto Pearson Intl

Mon 10/11

7:40 a.m.-12:03 a.m.

2 stops19h 23m

C$ 653

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?

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

Which airlines fly to Region of Ontario?

Porter Airlines, Air Canada and Air Transat 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 42% 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

Direct flights	None

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

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.

An easier way to manage your Region of Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to Ontario

Popular Cities in Ontario

Flights to Torontofrom C$ 100

Flights to Vancouverfrom C$ 72

Flights to Montrealfrom C$ 237

Flights to Calgaryfrom C$ 72

Flights to Ottawafrom C$ 182

Flights to Winnipegfrom C$ 121

Flights to Halifaxfrom C$ 95

Flights to Kelownafrom C$ 85

Flights to Saskatoonfrom C$ 138

Flights to Reginafrom C$ 162

Flights to St. John'sfrom C$ 234

Flights to Québec Cityfrom C$ 293

Cheap flights from Oakland, California to Ontario from C$ 222

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oakland, California to Ontario departing on 16/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Oakland, California to Ontario

Cheap round-trip flights

Cheap one-way flights

Cheap last-minute flights

Delta flights from Oakland, California to Region of Ontario

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

Alaska Airlines flights from Oakland, California to Region of Ontario

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

momondo Fare Finder

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

See travel insights to Ontario from

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?

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

Which airlines fly to Region of Ontario?

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

Direct flights

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

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

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

Why use momondo?

Why should I use momondo to find a flight deal from Oakland to Ontario?

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

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

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

An easier way to manage your Region of Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Ontario

Popular Cities in Ontario

Popular flights according to clicks in the last 7 days on momondo