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$ 458 Cheap Flights from Oakland to Ontario in 2025/26

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.

5:17 p.m. - 3:35 p.m.

OAK

YYZ

19h 18m1 stop

4:45 p.m. - 10:28 a.m.

YYZ

OAK

20h 43m1 stop

C$ 458Multiple Airlines

Fri, 9 Jan - Sat, 17 Jan

8:10 a.m. - 3:35 p.m.

OAK

YYZ

28h 25m1 stop

4:45 p.m. - 4:23 p.m.

YYZ

OAK

26h 38m1 stop

C$ 463Alaska Airlines

Sun, 18 Jan - Wed, 21 Jan

8:10 a.m. - 3:35 p.m.

OAK

YYZ

28h 25m1 stop

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

YYZ

OAK

21h 18m1 stop

C$ 476Alaska Airlines

Wed, 21 Jan - Mon, 26 Jan

8:10 a.m. - 3:35 p.m.

OAK

YYZ

28h 25m1 stop

7:45 a.m. - 11:03 a.m.

YYZ

OAK

30h 18m2 stops

C$ 485Multiple Airlines

Sun, 25 Jan - Sun, 1 Feb

5:17 p.m. - 3:35 p.m.

OAK

YYZ

19h 18m1 stop

4:45 p.m. - 10:28 a.m.

YYZ

OAK

20h 43m1 stop

C$ 487Alaska Airlines

Thu, 22 Jan - Tue, 27 Jan

5:17 p.m. - 3:35 p.m.

OAK

YYZ

19h 18m1 stop

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

YYZ

OAK

21h 18m1 stop

C$ 498Alaska Airlines

Fri, 23 Jan - Sun, 25 Jan

8:10 a.m. - 3:35 p.m.

OAK

YYZ

28h 25m1 stop

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

YYZ

OAK

21h 18m1 stop

C$ 502Alaska Airlines

Sun, 25 Jan - Sun, 1 Feb

5:55 a.m. - 3:55 p.m.

OAK

YUL

31h 00m2 stops

7:00 a.m. - 4:10 p.m.

YUL

OAK

36h 10m2 stops

C$ 768Delta

Wed, 18 Mar - Mon, 23 Mar

5:55 a.m. - 7:05 a.m.

OAK

YUL

22h 10m2 stops

12:42 p.m. - 4:10 p.m.

YUL

OAK

30h 28m2 stops

C$ 1,015Delta

Fri, 20 Mar - Sun, 22 Mar

12:35 p.m. - 7:05 a.m.

OAK

YUL

15h 30m2 stops

12:42 p.m. - 4:10 p.m.

YUL

OAK

30h 28m2 stops

C$ 1,063Delta

Thu, 19 Mar - Sun, 22 Mar

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

18 Jan

OAK8:10 a.m.Oakland

28h 25m

1 stop

YYZ3:35 p.m.Toronto Pearson Intl

21 Jan

YYZ4:45 p.m.Toronto Pearson Intl

26h 38m

1 stop

OAK4:23 p.m.Oakland

C$ 463

Find similar

Alaska Airlines

21 Jan

OAK8:10 a.m.Oakland

28h 25m

1 stop

YYZ3:35 p.m.Toronto Pearson Intl

26 Jan

YYZ4:45 p.m.Toronto Pearson Intl

21h 18m

1 stop

OAK11:03 a.m.Oakland

C$ 476

Find similar

Alaska Airlines

22 Jan

OAK5:17 p.m.Oakland

19h 18m

1 stop

YYZ3:35 p.m.Toronto Pearson Intl

27 Jan

YYZ4:45 p.m.Toronto Pearson Intl

20h 43m

1 stop

OAK10:28 a.m.Oakland

C$ 487

Find similar

Delta flights from Oakland, California to Region of Ontario

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

Delta

21 Jan

OAK5:55 a.m.Oakland

10h 13m

2 stops

YYZ7:08 p.m.Toronto Pearson Intl

24 Jan

YYZ6:10 a.m.Toronto Pearson Intl

18h 28m

2 stops

OAK9:38 p.m.Oakland

C$ 677

Find similar

Delta

18 Mar

OAK5:55 a.m.Oakland

14h 06m

2 stops

YYZ11:01 p.m.Toronto Pearson Intl

22 Mar

YYZ5:10 p.m.Toronto Pearson Intl

9h 36m

2 stops

OAK11:46 p.m.Oakland

C$ 727

Find similar

Delta

18 Mar

OAK5:55 a.m.Oakland

31h 00m

2 stops

YUL3:55 p.m.Montreal Pierre Elliott Trudeau Intl

23 Mar

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

36h 10m

2 stops

OAK4:10 p.m.Oakland

C$ 768

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

Fri 9/1

5:17 p.m.-3:35 p.m.

1 stop19h 18m

Toronto Pearson Intl

Sat 17/1

4:45 p.m.-10:28 a.m.

1 stop20h 43m

C$ 458

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Sun 18/1

8:10 a.m.-3:35 p.m.

1 stop28h 25m

Toronto Pearson Intl

Wed 21/1

4:45 p.m.-4:23 p.m.

1 stop26h 38m

C$ 463

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Wed 21/1

8:10 a.m.-3:35 p.m.

1 stop28h 25m

Toronto Pearson Intl

Mon 26/1

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

1 stop21h 18m

C$ 476

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Sun 25/1

8:10 a.m.-3:35 p.m.

1 stop28h 25m

Toronto Pearson Intl

Sun 1/2

7:45 a.m.-11:03 a.m.

2 stops30h 18m

C$ 485

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Thu 22/1

5:17 p.m.-3:35 p.m.

1 stop19h 18m

Toronto Pearson Intl

Tue 27/1

4:45 p.m.-10:28 a.m.

1 stop20h 43m

C$ 487

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Fri 23/1

5:17 p.m.-3:35 p.m.

1 stop19h 18m

Toronto Pearson Intl

Sun 25/1

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

1 stop21h 18m

C$ 498

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Sun 25/1

8:10 a.m.-3:35 p.m.

1 stop28h 25m

Toronto Pearson Intl

Sun 1/2

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

1 stop21h 18m

C$ 502

OaklandMontreal

OAK - YUL

OAKYUL

Oakland

Wed 18/3

5:55 a.m.-3:55 p.m.

2 stops31h 00m

Montreal Pierre Elliott Trudeau Intl

Mon 23/3

7:00 a.m.-4:10 p.m.

2 stops36h 10m

C$ 768

OaklandMontreal

OAK - YUL

OAKYUL

Oakland

Fri 20/3

5:55 a.m.-7:05 a.m.

2 stops22h 10m

Montreal Pierre Elliott Trudeau Intl

Sun 22/3

12:42 p.m.-4:10 p.m.

2 stops30h 28m

C$ 1,015

OaklandMontreal

OAK - YUL

OAKYUL

Oakland

Thu 19/3

12:35 p.m.-7:05 a.m.

2 stops15h 30m

Montreal Pierre Elliott Trudeau Intl

Sun 22/3

12:42 p.m.-4:10 p.m.

2 stops30h 28m

C$ 1,063

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 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 44% 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	12h 50m
Direct flights	None

The fastest flight from Oakland, California to Region of Ontario takes 12h 50m

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.