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$ 247 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.

3:56 p.m. - 6:50 a.m.OAK Oakland-YYZ Toronto Pearson Intl

11h 54m1 stop Las Vegas Harry Reid Intl

11:30 a.m. - 10:29 a.m.YYZ Toronto Pearson Intl-OAK Oakland

25h 59m1 stop Las Vegas Harry Reid Intl

C$ 529Multiple Airlines

Sat, 21 Nov - Tue, 24 Nov

5:20 p.m. - 11:59 p.m.OAK Oakland-YYZ Toronto Pearson Intl

27h 39m1 stop Las Vegas Harry Reid Intl

12:40 p.m. - 9:05 a.m.YYZ Toronto Pearson Intl-OAK Oakland

23h 25m2 stops Winnipeg Las Vegas Harry Reid Intl

C$ 532Multiple Airlines

Fri, 16 Oct - Thu, 22 Oct

3:56 p.m. - 6:50 a.m.OAK Oakland-YYZ Toronto Pearson Intl

11h 54m1 stop Las Vegas Harry Reid Intl

2:15 p.m. - 10:29 a.m.YYZ Toronto Pearson Intl-OAK Oakland

23h 14m2 stops Calgary Las Vegas Harry Reid Intl

C$ 533Multiple Airlines

Sat, 21 Nov - Tue, 24 Nov

5:20 p.m. - 11:59 p.m.OAK Oakland-YYZ Toronto Pearson Intl

27h 39m1 stop Las Vegas Harry Reid Intl

8:35 p.m. - 9:05 a.m.YYZ Toronto Pearson Intl-OAK Oakland

15h 30m1 stop Las Vegas Harry Reid Intl

C$ 555Multiple Airlines

Fri, 16 Oct - Thu, 22 Oct

10:18 a.m. - 5:45 a.m.OAK Oakland-YYZ Toronto Pearson Intl

16h 27m2 stops Las Vegas Harry Reid Intl Edmonton

11:30 a.m. - 11:53 a.m.YYZ Toronto Pearson Intl-OAK Oakland

27h 23m1 stop Las Vegas Harry Reid Intl

C$ 564Multiple Airlines

Fri, 13 Nov - Tue, 17 Nov

5:55 p.m. - 5:20 p.m.OAK Oakland-YYZ Toronto Pearson Intl

20h 25m1 stop Las Vegas Harry Reid Intl

11:30 a.m. - 11:53 a.m.YYZ Toronto Pearson Intl-OAK Oakland

27h 23m1 stop Las Vegas Harry Reid Intl

C$ 586Multiple Airlines

Fri, 13 Nov - Tue, 17 Nov

10:17 a.m. - 5:10 a.m.OAK Oakland-YYZ Toronto Pearson Intl

15h 53m2 stops Las Vegas Harry Reid Intl Edmonton

8:35 p.m. - 11:51 a.m.YYZ Toronto Pearson Intl-OAK Oakland

18h 16m1 stop Las Vegas Harry Reid Intl

C$ 587Multiple Airlines

Mon, 28 Sep - Fri, 2 Oct

5:20 p.m. - 9:50 p.m.OAK Oakland-YYZ Toronto Pearson Intl

25h 30m1 stop Las Vegas Harry Reid Intl

2:15 p.m. - 11:53 a.m.YYZ Toronto Pearson Intl-OAK Oakland

24h 38m2 stops Calgary Las Vegas Harry Reid Intl

C$ 587Multiple Airlines

Mon, 26 Oct - Mon, 2 Nov

12:47 p.m. - 11:59 p.m.OAK Oakland-YYZ Toronto Pearson Intl

8h 12m1 stop Las Vegas Harry Reid Intl

10:20 p.m. - 10:23 a.m.YYZ Toronto Pearson Intl-OAK Oakland

39h 03m2 stops Vancouver Intl Las Vegas Harry Reid Intl

C$ 602Multiple Airlines

Sat, 24 Oct - Sat, 31 Oct

6:51 p.m. - 6:39 a.m.OAK Oakland-YYZ Toronto Pearson Intl

8h 48m1 stop Las Vegas Harry Reid Intl

12:40 p.m. - 11:51 a.m.YYZ Toronto Pearson Intl-OAK Oakland

26h 11m2 stops Winnipeg Las Vegas Harry Reid Intl

C$ 613Multiple Airlines

Thu, 1 Oct - Mon, 5 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

11:30 p.m. - 6:55 a.m.OAK Oakland-YYZ Toronto Pearson Intl

28h 25m3 stops Mexico City Benito Juarez Puerto Vallarta Ordaz Calgary

8:20 p.m. - 6:34 p.m.YYZ Toronto Pearson Intl-OAK Oakland

25h 14m2 stops Mexico City Benito Juarez Guadalajara Miguel Hidal

C$ 1,360Multiple Airlines

Sun, 13 Sep - Tue, 15 Sep

11:30 p.m. - 5:55 p.m.OAK Oakland-YYZ Toronto Pearson Intl

15h 25m2 stops Mexico City Benito Juarez Cancun

8:20 p.m. - 6:34 p.m.YYZ Toronto Pearson Intl-OAK Oakland

25h 14m2 stops Mexico City Benito Juarez Guadalajara Miguel Hidal

C$ 1,371Multiple Airlines

Sun, 13 Sep - Tue, 15 Sep

11:30 p.m. - 5:55 p.m.OAK Oakland-YYZ Toronto Pearson Intl

15h 25m2 stops Mexico City Benito Juarez Cancun

10:05 a.m. - 6:34 p.m.YYZ Toronto Pearson Intl-OAK Oakland

11h 29m1 stop Guadalajara Miguel Hidal

C$ 1,452Multiple Airlines

Sun, 13 Sep - Tue, 15 Sep

6:48 a.m. - 3:45 p.m.OAK Oakland-YYZ Toronto Pearson Intl

29h 57m2 stops San Diego Seattle/Tacoma Intl

4:55 p.m. - 9:28 p.m.YYZ Toronto Pearson Intl-OAK Oakland

31h 33m2 stops Seattle/Tacoma Intl San Diego

C$ 1,465Alaska Airlines

Sun, 13 Sep - Tue, 15 Sep

11:30 p.m. - 6:55 a.m.OAK Oakland-YYZ Toronto Pearson Intl

28h 25m3 stops Mexico City Benito Juarez Puerto Vallarta Ordaz Calgary

8:20 p.m. - 9:25 p.m.YYZ Toronto Pearson Intl-OAK Oakland

28h 05m3 stops Mexico City Benito Juarez Monterrey Gen Mariano Escobedo Guadalajara Miguel Hidal

C$ 1,488Multiple Airlines

Sun, 13 Sep - Tue, 15 Sep

6:48 a.m. - 11:26 p.m.OAK Oakland-YYZ Toronto Pearson Intl

13h 38m2 stops San Diego Chicago O'Hare Intl

4:55 p.m. - 11:06 a.m.YYZ Toronto Pearson Intl-OAK Oakland

21h 11m2 stops Seattle/Tacoma Intl San Diego

C$ 1,567Alaska Airlines

Wed, 16 Sep - Tue, 22 Sep

6:48 a.m. - 11:26 p.m.OAK Oakland-YYZ Toronto Pearson Intl

13h 38m2 stops San Diego Chicago O'Hare Intl

4:55 p.m. - 10:54 p.m.YYZ Toronto Pearson Intl-OAK Oakland

8h 59m1 stop Seattle/Tacoma Intl

C$ 1,568Alaska Airlines

Wed, 16 Sep - Tue, 22 Sep

6:48 a.m. - 11:26 p.m.OAK Oakland-YYZ Toronto Pearson Intl

13h 38m2 stops San Diego Chicago O'Hare Intl

11:40 a.m. - 9:28 p.m.YYZ Toronto Pearson Intl-OAK Oakland

12h 48m2 stops Chicago O'Hare Intl San Diego

C$ 1,605Alaska Airlines

Mon, 14 Sep - Wed, 16 Sep

6:48 a.m. - 11:26 p.m.OAK Oakland-YYZ Toronto Pearson Intl

13h 38m2 stops San Diego Chicago O'Hare Intl

4:55 p.m. - 10:54 p.m.YYZ Toronto Pearson Intl-OAK Oakland

8h 59m1 stop Seattle/Tacoma Intl

C$ 1,628Alaska Airlines

Wed, 16 Sep - Mon, 21 Sep

6:48 a.m. - 11:26 p.m.OAK Oakland-YYZ Toronto Pearson Intl

13h 38m2 stops San Diego Chicago O'Hare Intl

11:40 a.m. - 11:10 p.m.YYZ Toronto Pearson Intl-OAK Oakland

14h 30m2 stops Chicago O'Hare Intl San Diego

C$ 1,636Alaska Airlines

Sat, 12 Sep - Fri, 18 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

26 Oct

OAK7:10 p.m.Oakland

17h 55m

2 stops

YYZ4:05 p.m.Toronto Pearson Intl

2 Nov

YYZ5:15 p.m.Toronto Pearson Intl

19h 05m

2 stops

OAK9:20 a.m.Oakland

C$ 759

Alaska Airlines

28 Oct

OAK12:10 p.m.Oakland

24h 55m

2 stops

YYZ4:05 p.m.Toronto Pearson Intl

2 Nov

YYZ5:15 p.m.Toronto Pearson Intl

29h 19m

2 stops

OAK7:34 p.m.Oakland

C$ 781

Alaska Airlines

30 Oct

OAK7:02 a.m.Oakland

30h 03m

1 stop

YYZ4:05 p.m.Toronto Pearson Intl

2 Nov

YYZ5:15 p.m.Toronto Pearson Intl

29h 19m

2 stops

OAK7:34 p.m.Oakland

C$ 806

Delta flights from Oakland, California to Region of Ontario

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

Delta

6 Oct

OAK6:00 a.m.Oakland

14h 25m

2 stops

YUL11:25 p.m.Montreal Pierre Elliott Trudeau Intl

13 Oct

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

19h 56m

2 stops

OAK11:56 p.m.Oakland

C$ 869

Delta

6 Oct

OAK6:00 a.m.Oakland

14h 25m

2 stops

YUL11:25 p.m.Montreal Pierre Elliott Trudeau Intl

16 Oct

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

36h 22m

2 stops

OAK4:22 p.m.Oakland

C$ 879

Delta

3 Oct

OAK5:00 p.m.Oakland

15h 36m

2 stops

YUL11:36 a.m.Montreal Pierre Elliott Trudeau Intl

13 Oct

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

19h 56m

2 stops

OAK11:56 p.m.Oakland

C$ 887

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 Oakland - YYZ Toronto Pearson Intl

OAKYYZ

Oakland

Sat 21/11

3:56 p.m.-6:50 a.m.

1 stop11h 54m

Toronto Pearson Intl

Tue 24/11

11:30 a.m.-10:29 a.m.

1 stop25h 59m

C$ 529

OaklandToronto

OAK Oakland - YYZ Toronto Pearson Intl

OAKYYZ

Oakland

Fri 16/10

5:20 p.m.-11:59 p.m.

1 stop27h 39m

Toronto Pearson Intl

Thu 22/10

12:40 p.m.-9:05 a.m.

2 stops23h 25m

C$ 532

OaklandToronto

OAK Oakland - YYZ Toronto Pearson Intl

OAKYYZ

Oakland

Sat 21/11

3:56 p.m.-6:50 a.m.

1 stop11h 54m

Toronto Pearson Intl

Tue 24/11

2:15 p.m.-10:29 a.m.

2 stops23h 14m

C$ 533

OaklandToronto

OAK Oakland - YYZ Toronto Pearson Intl

OAKYYZ

Oakland

Fri 16/10

5:20 p.m.-11:59 p.m.

1 stop27h 39m

Toronto Pearson Intl

Thu 22/10

8:35 p.m.-9:05 a.m.

1 stop15h 30m

C$ 555

OaklandToronto

OAK Oakland - YYZ Toronto Pearson Intl

OAKYYZ

Oakland

Fri 13/11

10:18 a.m.-5:45 a.m.

2 stops16h 27m

Toronto Pearson Intl

Tue 17/11

11:30 a.m.-11:53 a.m.

1 stop27h 23m

C$ 564

OaklandToronto

OAK Oakland - YYZ Toronto Pearson Intl

OAKYYZ

Oakland

Fri 13/11

5:55 p.m.-5:20 p.m.

1 stop20h 25m

Toronto Pearson Intl

Tue 17/11

11:30 a.m.-11:53 a.m.

1 stop27h 23m

C$ 586

Quickest round-trip

OaklandToronto

OAK Oakland - YYZ Toronto Pearson Intl

OAKYYZ

Oakland

Mon 28/9

10:17 a.m.-5:10 a.m.

2 stops15h 53m

Toronto Pearson Intl

Fri 2/10

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

1 stop18h 16m

C$ 587

OaklandToronto

OAK Oakland - YYZ Toronto Pearson Intl

OAKYYZ

Oakland

Mon 26/10

5:20 p.m.-9:50 p.m.

1 stop25h 30m

Toronto Pearson Intl

Mon 2/11

2:15 p.m.-11:53 a.m.

2 stops24h 38m

C$ 587

OaklandToronto

OAK Oakland - YYZ Toronto Pearson Intl

OAKYYZ

Oakland

Sat 24/10

12:47 p.m.-11:59 p.m.

1 stop8h 12m

Toronto Pearson Intl

Sat 31/10

10:20 p.m.-10:23 a.m.

2 stops39h 03m

C$ 602

OaklandToronto

OAK Oakland - YYZ Toronto Pearson Intl

OAKYYZ

Oakland

Thu 1/10

6:51 p.m.-6:39 a.m.

1 stop8h 48m

Toronto Pearson Intl

Mon 5/10

12:40 p.m.-11:51 a.m.

2 stops26h 11m

C$ 613

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 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 45% 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

Best price found	C$ 247
Fastest flight time	11h 04m
Direct flights	None

The best one-way flight to Region of Ontario from Oakland, California in the past 72 hours is C$ 247. The best round-trip flight deal from Oakland, California to Region of Ontario found on momondo in the last 72 hours is C$ 529.

The fastest flight from Oakland, California to Region of Ontario takes 11h 04m

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.