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.

$169 Cheap Flights from Oakland to Ontario in 2026

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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.

2:09 pm - 3:45 pm

OAK

YYZ

22h 36m

1 stop

4:55 pm - 1:15 pm

YYZ

OAK

23h 20m

1 stop

$357Alaska Airlines

Wed, Apr 29 - Tue, May 5

6:20 am - 3:45 pm

OAK

YYZ

30h 25m

1 stop

4:55 pm - 1:15 pm

YYZ

OAK

23h 20m

1 stop

$370Alaska Airlines

Thu, Apr 30 - Tue, May 5

2:09 pm - 3:45 pm

OAK

YYZ

22h 36m

1 stop

4:55 pm - 10:32 pm

YYZ

OAK

8h 37m

1 stop

$379Alaska Airlines

Sat, Apr 25 - Wed, Apr 29

2:09 pm - 3:45 pm

OAK

YYZ

22h 36m

1 stop

4:55 pm - 10:32 pm

YYZ

OAK

8h 37m

1 stop

$383Alaska Airlines

Sat, Apr 25 - Sat, May 2

6:20 am - 3:45 pm

OAK

YYZ

30h 25m

1 stop

4:55 pm - 8:53 am

YYZ

OAK

18h 58m

2 stops

$388Alaska Airlines

Thu, Apr 30 - Tue, May 5

6:20 am - 3:45 pm

OAK

YYZ

30h 25m

1 stop

4:55 pm - 10:32 pm

YYZ

OAK

8h 37m

1 stop

$392Alaska Airlines

Thu, Apr 23 - Wed, Apr 29

5:55 am - 11:51 pm

OAK

YUL

14h 56m

2 stops

7:00 am - 11:54 pm

YUL

OAK

19h 54m

2 stops

$630Delta

Thu, Apr 16 - Tue, Apr 21

4:49 pm - 11:44 pm

OAK

YUL

27h 55m

2 stops

7:00 am - 11:49 pm

YUL

OAK

19h 49m

2 stops

$690Delta

Wed, Apr 1 - Wed, Jun 10

5:55 am - 11:13 pm

OAK

YUL

14h 18m

2 stops

6:00 am - 11:49 pm

YUL

OAK

20h 49m

2 stops

$701Delta

Wed, Apr 1 - Thu, Jun 11

8:22 pm - 12:50 am

OAK

YHM

25h 28m

3 stops

3:15 pm - 11:52 am

YHM

OAK

23h 37m

3 stops

$868Multiple Airlines

Sun, Apr 5 - Wed, Apr 8

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

Apr 29

OAK2:09 pmOakland

22h 36m

1 stop

YYZ3:45 pmToronto Pearson Intl

May 5

YYZ4:55 pmToronto Pearson Intl

23h 20m

1 stop

OAK1:15 pmOakland

$357

Alaska Airlines

Apr 30

OAK6:20 amOakland

30h 25m

1 stop

YYZ3:45 pmToronto Pearson Intl

May 5

YYZ4:55 pmToronto Pearson Intl

23h 20m

1 stop

OAK1:15 pmOakland

$370

Alaska Airlines

Apr 25

OAK2:09 pmOakland

22h 36m

1 stop

YYZ3:45 pmToronto Pearson Intl

Apr 29

YYZ4:55 pmToronto Pearson Intl

8h 37m

1 stop

OAK10:32 pmOakland

$379

Delta flights from Oakland, California to Region of Ontario

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

Delta

Jun 2

OAK6:00 amOakland

7h 33m

1 stop

YYZ4:33 pmToronto Pearson Intl

Jun 6

YYZ5:45 pmToronto Pearson Intl

7h 49m

1 stop

OAK10:34 pmOakland

$433

Delta

May 4

OAK5:55 amOakland

14h 15m

2 stops

YYZ11:10 pmToronto Pearson Intl

May 8

YYZ5:45 pmToronto Pearson Intl

9h 12m

1 stop

OAK11:57 pmOakland

$442

Delta

May 4

OAK5:55 amOakland

9h 36m

2 stops

YYZ6:31 pmToronto Pearson Intl

May 7

YYZ12:09 pmToronto Pearson Intl

14h 48m

2 stops

OAK11:57 pmOakland

$448

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 - YYZ

OAKYYZ

Oakland

Wed 4/29

2:09 pm-3:45 pm

1 stop22h 36m

Toronto Pearson Intl

Tue 5/5

4:55 pm-1:15 pm

1 stop23h 20m

$357

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Thu 4/30

6:20 am-3:45 pm

1 stop30h 25m

Toronto Pearson Intl

Tue 5/5

4:55 pm-1:15 pm

1 stop23h 20m

$370

Quickest round-trip

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Sat 4/25

2:09 pm-3:45 pm

1 stop22h 36m

Toronto Pearson Intl

Wed 4/29

4:55 pm-10:32 pm

1 stop8h 37m

$379

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Sat 4/25

2:09 pm-3:45 pm

1 stop22h 36m

Toronto Pearson Intl

Sat 5/2

4:55 pm-10:32 pm

1 stop8h 37m

$383

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Thu 4/30

6:20 am-3:45 pm

1 stop30h 25m

Toronto Pearson Intl

Tue 5/5

4:55 pm-8:53 am

2 stops18h 58m

$388

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Thu 4/23

6:20 am-3:45 pm

1 stop30h 25m

Toronto Pearson Intl

Wed 4/29

4:55 pm-10:32 pm

1 stop8h 37m

$392

OaklandMontreal

OAK - YUL

OAKYUL

Oakland

Thu 4/16

5:55 am-11:51 pm

2 stops14h 56m

Montreal Pierre Elliott Trudeau Intl

Tue 4/21

7:00 am-11:54 pm

2 stops19h 54m

$630

OaklandMontreal

OAK - YUL

OAKYUL

Oakland

Wed 4/1

4:49 pm-11:44 pm

2 stops27h 55m

Montreal Pierre Elliott Trudeau Intl

Wed 6/10

7:00 am-11:49 pm

2 stops19h 49m

$690

OaklandMontreal

OAK - YUL

OAKYUL

Oakland

Wed 4/1

5:55 am-11:13 pm

2 stops14h 18m

Montreal Pierre Elliott Trudeau Intl

Thu 6/11

6:00 am-11:49 pm

2 stops20h 49m

$701

OaklandHamilton

OAK - YHM

OAKYHM

Oakland

Sun 4/5

8:22 pm-12:50 am

3 stops25h 28m

Hamilton

Wed 4/8

3:15 pm-11:52 am

3 stops23h 37m

$868

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

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 42% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 7 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 33m
Direct flights	None

The fastest flight from Oakland, California to Region of Ontario takes 7h 33m

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 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.