What airlines fly to Region of Ontario?

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Region of Ontario from Oakland, California according to our data. Air Canada is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 8 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

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

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

Prices for flights from Oakland Airport to Ontario refresh daily.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oakland Airport to Ontario.

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

The necessary travel and health documents for your Ontario trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$179 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 pm - 6:50 amOAK Oakland-YYZ Toronto Pearson Intl

11h 54m1 stop Las Vegas Harry Reid Intl

11:30 am - 10:29 amYYZ Toronto Pearson Intl-OAK Oakland

25h 59m1 stop Las Vegas Harry Reid Intl

$383Multiple Airlines

Sat, Nov 21 - Tue, Nov 24

5:20 pm - 11:59 pmOAK Oakland-YYZ Toronto Pearson Intl

27h 39m1 stop Las Vegas Harry Reid Intl

12:40 pm - 9:05 amYYZ Toronto Pearson Intl-OAK Oakland

23h 25m2 stops Winnipeg Las Vegas Harry Reid Intl

$385Multiple Airlines

Fri, Oct 16 - Thu, Oct 22

3:56 pm - 6:50 amOAK Oakland-YYZ Toronto Pearson Intl

11h 54m1 stop Las Vegas Harry Reid Intl

2:15 pm - 10:29 amYYZ Toronto Pearson Intl-OAK Oakland

23h 14m2 stops Calgary Las Vegas Harry Reid Intl

$386Multiple Airlines

Sat, Nov 21 - Tue, Nov 24

5:20 pm - 11:59 pmOAK Oakland-YYZ Toronto Pearson Intl

27h 39m1 stop Las Vegas Harry Reid Intl

8:35 pm - 9:05 amYYZ Toronto Pearson Intl-OAK Oakland

15h 30m1 stop Las Vegas Harry Reid Intl

$402Multiple Airlines

Fri, Oct 16 - Thu, Oct 22

10:18 am - 5:45 amOAK Oakland-YYZ Toronto Pearson Intl

16h 27m2 stops Las Vegas Harry Reid Intl Edmonton

11:30 am - 11:53 amYYZ Toronto Pearson Intl-OAK Oakland

27h 23m1 stop Las Vegas Harry Reid Intl

$408Multiple Airlines

Fri, Nov 13 - Tue, Nov 17

5:55 pm - 5:20 pmOAK Oakland-YYZ Toronto Pearson Intl

20h 25m1 stop Las Vegas Harry Reid Intl

11:30 am - 11:53 amYYZ Toronto Pearson Intl-OAK Oakland

27h 23m1 stop Las Vegas Harry Reid Intl

$424Multiple Airlines

Fri, Nov 13 - Tue, Nov 17

10:17 am - 5:10 amOAK Oakland-YYZ Toronto Pearson Intl

15h 53m2 stops Las Vegas Harry Reid Intl Edmonton

8:35 pm - 11:51 amYYZ Toronto Pearson Intl-OAK Oakland

18h 16m1 stop Las Vegas Harry Reid Intl

$425Multiple Airlines

Mon, Sep 28 - Fri, Oct 2

12:47 pm - 11:59 pmOAK Oakland-YYZ Toronto Pearson Intl

8h 12m1 stop Las Vegas Harry Reid Intl

10:20 pm - 10:23 amYYZ Toronto Pearson Intl-OAK Oakland

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

$436Multiple Airlines

Sat, Oct 24 - Sat, Oct 31

6:51 pm - 6:39 amOAK Oakland-YYZ Toronto Pearson Intl

8h 48m1 stop Las Vegas Harry Reid Intl

12:40 pm - 11:51 amYYZ Toronto Pearson Intl-OAK Oakland

26h 11m2 stops Winnipeg Las Vegas Harry Reid Intl

$444Multiple Airlines

Thu, Oct 1 - Mon, Oct 5

10:17 am - 5:10 amOAK Oakland-YYZ Toronto Pearson Intl

15h 53m2 stops Las Vegas Harry Reid Intl Edmonton

8:35 pm - 9:05 amYYZ Toronto Pearson Intl-OAK Oakland

15h 30m1 stop Las Vegas Harry Reid Intl

$447Multiple Airlines

Thu, Oct 8 - Sun, Oct 18

Cheap last minute flights

Enter your travel dates to find the best prices.

11:30 pm - 6:55 amOAK Oakland-YYZ Toronto Pearson Intl

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

8:20 pm - 6:34 pmYYZ Toronto Pearson Intl-OAK Oakland

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

$984Multiple Airlines

Sun, Sep 13 - Tue, Sep 15

11:30 pm - 5:55 pmOAK Oakland-YYZ Toronto Pearson Intl

15h 25m2 stops Mexico City Benito Juarez Cancun

8:20 pm - 6:34 pmYYZ Toronto Pearson Intl-OAK Oakland

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

$992Multiple Airlines

Sun, Sep 13 - Tue, Sep 15

11:30 pm - 5:55 pmOAK Oakland-YYZ Toronto Pearson Intl

15h 25m2 stops Mexico City Benito Juarez Cancun

10:05 am - 6:34 pmYYZ Toronto Pearson Intl-OAK Oakland

11h 29m1 stop Guadalajara Miguel Hidal

$1,051Multiple Airlines

Sun, Sep 13 - Tue, Sep 15

6:48 am - 3:45 pmOAK Oakland-YYZ Toronto Pearson Intl

29h 57m2 stops San Diego Seattle/Tacoma Intl

4:55 pm - 9:28 pmYYZ Toronto Pearson Intl-OAK Oakland

31h 33m2 stops Seattle/Tacoma Intl San Diego

$1,060Alaska Airlines

Sun, Sep 13 - Tue, Sep 15

11:30 pm - 6:55 amOAK Oakland-YYZ Toronto Pearson Intl

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

8:20 pm - 9:25 pmYYZ Toronto Pearson Intl-OAK Oakland

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

$1,077Multiple Airlines

Sun, Sep 13 - Tue, Sep 15

6:48 am - 11:26 pmOAK Oakland-YYZ Toronto Pearson Intl

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

4:55 pm - 11:06 amYYZ Toronto Pearson Intl-OAK Oakland

21h 11m2 stops Seattle/Tacoma Intl San Diego

$1,134Alaska Airlines

Wed, Sep 16 - Tue, Sep 22

6:48 am - 11:26 pmOAK Oakland-YYZ Toronto Pearson Intl

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

4:55 pm - 10:54 pmYYZ Toronto Pearson Intl-OAK Oakland

8h 59m1 stop Seattle/Tacoma Intl

$1,135Alaska Airlines

Wed, Sep 16 - Tue, Sep 22

6:48 am - 11:26 pmOAK Oakland-YYZ Toronto Pearson Intl

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

11:40 am - 9:28 pmYYZ Toronto Pearson Intl-OAK Oakland

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

$1,162Alaska Airlines

Mon, Sep 14 - Wed, Sep 16

6:48 am - 11:26 pmOAK Oakland-YYZ Toronto Pearson Intl

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

4:55 pm - 10:54 pmYYZ Toronto Pearson Intl-OAK Oakland

8h 59m1 stop Seattle/Tacoma Intl

$1,178Alaska Airlines

Wed, Sep 16 - Mon, Sep 21

6:48 am - 11:26 pmOAK Oakland-YYZ Toronto Pearson Intl

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

11:40 am - 11:10 pmYYZ Toronto Pearson Intl-OAK Oakland

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

$1,184Alaska Airlines

Sat, Sep 12 - Fri, Sep 18

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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

Oct 26

OAK7:10 pmOakland

17h 55m

2 stops

YYZ4:05 pmToronto Pearson Intl

Nov 2

YYZ5:15 pmToronto Pearson Intl

26h 18m

2 stops

OAK4:33 pmOakland

$549

Alaska Airlines

Oct 28

OAK12:10 pmOakland

24h 55m

2 stops

YYZ4:05 pmToronto Pearson Intl

Nov 2

YYZ5:15 pmToronto Pearson Intl

29h 19m

2 stops

OAK7:34 pmOakland

$565

Alaska Airlines

Oct 30

OAK7:02 amOakland

30h 03m

1 stop

YYZ4:05 pmToronto Pearson Intl

Nov 2

YYZ5:15 pmToronto Pearson Intl

29h 19m

2 stops

OAK7:34 pmOakland

$583

Delta flights from Oakland, California to Region of Ontario

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

Delta

Oct 6

OAK6:00 amOakland

14h 25m

2 stops

YUL11:25 pmMontreal Pierre Elliott Trudeau Intl

Oct 13

YUL7:00 amMontreal Pierre Elliott Trudeau Intl

19h 56m

2 stops

OAK11:56 pmOakland

$629

Delta

Oct 6

OAK6:00 amOakland

14h 25m

2 stops

YUL11:25 pmMontreal Pierre Elliott Trudeau Intl

Oct 16

YUL7:00 amMontreal Pierre Elliott Trudeau Intl

36h 22m

2 stops

OAK4:22 pmOakland

$636

Delta

Oct 3

OAK5:00 pmOakland

15h 36m

2 stops

YUL11:36 amMontreal Pierre Elliott Trudeau Intl

Oct 13

YUL7:00 amMontreal Pierre Elliott Trudeau Intl

19h 56m

2 stops

OAK11:56 pmOakland

$642

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 11/21

3:56 pm-6:50 am

1 stop11h 54m

Toronto Pearson Intl

Tue 11/24

11:30 am-10:29 am

1 stop25h 59m

$383

OaklandToronto

OAK Oakland - YYZ Toronto Pearson Intl

OAKYYZ

Oakland

Fri 10/16

5:20 pm-11:59 pm

1 stop27h 39m

Toronto Pearson Intl

Thu 10/22

12:40 pm-9:05 am

2 stops23h 25m

$385

OaklandToronto

OAK Oakland - YYZ Toronto Pearson Intl

OAKYYZ

Oakland

Sat 11/21

3:56 pm-6:50 am

1 stop11h 54m

Toronto Pearson Intl

Tue 11/24

2:15 pm-10:29 am

2 stops23h 14m

$386

OaklandToronto

OAK Oakland - YYZ Toronto Pearson Intl

OAKYYZ

Oakland

Fri 10/16

5:20 pm-11:59 pm

1 stop27h 39m

Toronto Pearson Intl

Thu 10/22

8:35 pm-9:05 am

1 stop15h 30m

$402

OaklandToronto

OAK Oakland - YYZ Toronto Pearson Intl

OAKYYZ

Oakland

Fri 11/13

10:18 am-5:45 am

2 stops16h 27m

Toronto Pearson Intl

Tue 11/17

11:30 am-11:53 am

1 stop27h 23m

$408

OaklandToronto

OAK Oakland - YYZ Toronto Pearson Intl

OAKYYZ

Oakland

Fri 11/13

5:55 pm-5:20 pm

1 stop20h 25m

Toronto Pearson Intl

Tue 11/17

11:30 am-11:53 am

1 stop27h 23m

$424

OaklandToronto

OAK Oakland - YYZ Toronto Pearson Intl

OAKYYZ

Oakland

Mon 9/28

10:17 am-5:10 am

2 stops15h 53m

Toronto Pearson Intl

Fri 10/2

8:35 pm-11:51 am

1 stop18h 16m

$425

OaklandToronto

OAK Oakland - YYZ Toronto Pearson Intl

OAKYYZ

Oakland

Sat 10/24

12:47 pm-11:59 pm

1 stop8h 12m

Toronto Pearson Intl

Sat 10/31

10:20 pm-10:23 am

2 stops39h 03m

$436

OaklandToronto

OAK Oakland - YYZ Toronto Pearson Intl

OAKYYZ

Oakland

Thu 10/1

6:51 pm-6:39 am

1 stop8h 48m

Toronto Pearson Intl

Mon 10/5

12:40 pm-11:51 am

2 stops26h 11m

$444

Quickest round-trip

OaklandToronto

OAK Oakland - YYZ Toronto Pearson Intl

OAKYYZ

Oakland

Thu 10/8

10:17 am-5:10 am

2 stops15h 53m

Toronto Pearson Intl

Sun 10/18

8:35 pm-9:05 am

1 stop15h 30m

$447

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

Prices

Airlines

Can stopping save me money on Oakland, California to Region of Ontario flights?

You could potentially save up to 28% on your flight if you consider stops on a Oakland, California to Region of Ontario flight.

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	$179
Fastest flight time	7h 44m
Direct flights	None

The best one-way flight to Region of Ontario from Oakland, California in the past 72 hours is $179. The best round-trip flight deal from Oakland, California to Region of Ontario found on momondo in the last 72 hours is $383.

The fastest flight from Oakland, California to Region of Ontario takes 7h 44m

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 refresh daily.
How old do you have to be to fly from Oakland Airport to Ontario?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oakland Airport to Ontario.
What documentation or ID do you need to fly to Ontario?
The necessary travel and health documents for your Ontario trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Oakland to Ontario. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Oakland to Ontario flights to just show those with flexible booking policies.

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

Once all potential Oakland to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Ontario from Oakland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.