What is the cheapest airline that flies from San Jose to Ontario?

United Airlines, Delta, and Alaska Airlines are the most popular carriers operating from San Jose 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 San Jose, California according to our data. Air Canada is the first choice among our users, with 43% 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.

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

Prices for flights from San Jose Airport to Ontario were last updated today.

How many operators does momondo search for flights from San Jose Airport to Ontario?

As of March 2026, there are 4 operators available to choose from for flights from San Jose Airport to Ontario.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Jose 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.

$156 Cheap Flights from San Jose to Ontario in 2026

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Find the cheapest flights from San Jose, California to Ontario

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:55 pm - 5:45 am

SJC

YYZ

12h 50m

2 stops

6:15 am - 3:32 pm

YYZ

SJC

12h 17m

2 stops

$370WestJet

Wed, May 6 - Wed, May 13

3:45 pm - 2:19 pm

SJC

YYZ

19h 34m

2 stops

5:20 pm - 10:41 pm

YYZ

SJC

8h 21m

1 stop

$383United Airlines

Tue, Apr 7 - Wed, Apr 8

6:19 pm - 9:19 am

SJC

YYZ

12h 00m

2 stops

1:00 pm - 9:32 pm

YYZ

SJC

11h 32m

2 stops

$388United Airlines

Fri, May 1 - Sat, May 2

8:45 am - 9:32 pm

SJC

YYZ

9h 47m

1 stop

8:50 am - 10:41 pm

YYZ

SJC

16h 51m

1 stop

$398United Airlines

Wed, Apr 15 - Fri, Apr 24

7:20 am - 10:45 pm

SJC

YYZ

12h 25m

2 stops

4:55 pm - 10:35 pm

YYZ

SJC

8h 40m

1 stop

$399Multiple Airlines

Wed, Apr 29 - Tue, May 5

4:00 pm - 7:36 pm

SJC

YYZ

24h 36m

2 stops

4:55 pm - 10:35 pm

YYZ

SJC

8h 40m

1 stop

$400Multiple Airlines

Tue, Apr 14 - Thu, Apr 23

6:19 pm - 1:59 pm

SJC

YOW

16h 40m

2 stops

6:00 am - 5:23 pm

YOW

SJC

14h 23m

2 stops

$539Air Canada

Mon, May 11 - Wed, May 13

6:00 am - 11:51 pm

SJC

YUL

14h 51m

2 stops

7:00 am - 10:01 pm

YUL

SJC

18h 01m

2 stops

$586Delta

Tue, Apr 21 - Tue, Apr 28

5:50 am - 11:13 pm

SJC

YUL

14h 23m

2 stops

7:10 am - 9:41 pm

YUL

SJC

17h 31m

2 stops

$607Delta

Sat, May 9 - Sat, May 16

6:37 pm - 3:24 pm

SJC

YQG

41h 47m

2 stops

7:45 pm - 5:34 pm

YQG

SJC

24h 49m

2 stops

$720Air Canada

Mon, Jun 1 - Wed, Jun 3

WestJet flights from San Jose, California to Region of Ontario

Our best WestJet deals on San Jose, California to Region of Ontario flight tickets

WestJet

May 6

SJC1:55 pmSan Jose

12h 50m

2 stops

YYZ5:45 amToronto Pearson Intl

May 13

YYZ6:15 amToronto Pearson Intl

12h 17m

2 stops

SJC3:32 pmSan Jose

$370

WestJet

Apr 16

SJC6:45 amSan Jose

14h 10m

2 stops

YYZ11:55 pmToronto Pearson Intl

Apr 20

YYZ10:00 amToronto Pearson Intl

12h 07m

2 stops

SJC7:07 pmSan Jose

$406

WestJet

Jun 5

SJC11:41 amSan Jose

15h 04m

2 stops

YYZ5:45 amToronto Pearson Intl

Jun 8

YYZ10:30 pmToronto Pearson Intl

18h 49m

2 stops

SJC2:19 pmSan Jose

$423

United Airlines flights from San Jose, California to Region of Ontario

Our best United Airlines deals on San Jose, California to Region of Ontario flight tickets

United Airlines

Apr 7

SJC3:45 pmSan Jose

19h 34m

2 stops

YYZ2:19 pmToronto Pearson Intl

Apr 8

YYZ5:20 pmToronto Pearson Intl

8h 21m

1 stop

SJC10:41 pmSan Jose

$383

United Airlines

May 1

SJC6:19 pmSan Jose

12h 00m

2 stops

YYZ9:19 amToronto Pearson Intl

May 2

YYZ1:00 pmToronto Pearson Intl

11h 32m

2 stops

SJC9:32 pmSan Jose

$388

United Airlines

Apr 15

SJC8:45 amSan Jose

9h 47m

1 stop

YYZ9:32 pmToronto Pearson Intl

Apr 24

YYZ8:50 amToronto Pearson Intl

16h 51m

1 stop

SJC10:41 pmSan Jose

$398

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Wed 5/6

1:55 pm-5:45 am

2 stops12h 50m

Toronto Pearson Intl

Wed 5/13

6:15 am-3:32 pm

2 stops12h 17m

$370

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Tue 4/7

3:45 pm-2:19 pm

2 stops19h 34m

Toronto Pearson Intl

Wed 4/8

5:20 pm-10:41 pm

1 stop8h 21m

$383

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Fri 5/1

6:19 pm-9:19 am

2 stops12h 00m

Toronto Pearson Intl

Sat 5/2

1:00 pm-9:32 pm

2 stops11h 32m

$388

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Wed 4/15

8:45 am-9:32 pm

1 stop9h 47m

Toronto Pearson Intl

Fri 4/24

8:50 am-10:41 pm

1 stop16h 51m

$398

Quickest round-trip

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Wed 4/29

7:20 am-10:45 pm

2 stops12h 25m

Toronto Pearson Intl

Tue 5/5

4:55 pm-10:35 pm

1 stop8h 40m

$399

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Tue 4/14

4:00 pm-7:36 pm

2 stops24h 36m

Toronto Pearson Intl

Thu 4/23

4:55 pm-10:35 pm

1 stop8h 40m

$400

San JoseOttawa

SJC - YOW

SJCYOW

San Jose

Mon 5/11

6:19 pm-1:59 pm

2 stops16h 40m

Ottawa

Wed 5/13

6:00 am-5:23 pm

2 stops14h 23m

$539

San JoseMontreal

SJC - YUL

SJCYUL

San Jose

Tue 4/21

6:00 am-11:51 pm

2 stops14h 51m

Montreal Pierre Elliott Trudeau Intl

Tue 4/28

7:00 am-10:01 pm

2 stops18h 01m

$586

San JoseMontreal

SJC - YUL

SJCYUL

San Jose

Sat 5/9

5:50 am-11:13 pm

2 stops14h 23m

Montreal Pierre Elliott Trudeau Intl

Sat 5/16

7:10 am-9:41 pm

2 stops17h 31m

$607

San JoseWindsor

SJC - YQG

SJCYQG

San Jose

Mon 6/1

6:37 pm-3:24 pm

2 stops41h 47m

Windsor

Wed 6/3

7:45 pm-5:34 pm

2 stops24h 49m

$720

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 San Jose, 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

What is the cheapest month to fly to Region of Ontario?

The month of November is, on average, the cheapest month to fly to Region of Ontario from San Jose, California, with most prices found around $359. If you aren’t able to travel during the month of November, then book flights to Region of Ontario from San Jose, California during June instead. Flights to Region of Ontario in June, while not as cheap as those in November, still average around $360.

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

You could potentially save up to 18% on your flight if you consider stops on a San Jose, California to Region of Ontario flight.

Cheap San Jose, California to Region of Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Jose, California to Region of Ontario

Fastest flight time	6h 56m
Direct flights	None

The fastest flight from San Jose, California to Region of Ontario takes 6h 56m

There are no direct flights from San Jose, California to Region of Ontario. There are no popular flight routes from San Jose, California to Region of Ontario.

Search flight deals

When did momondo last update prices for flights from San Jose Airport to Ontario?
Prices for flights from San Jose Airport to Ontario were last updated today.
How many operators does momondo search for flights from San Jose Airport to Ontario?
As of March 2026, there are 4 operators available to choose from for flights from San Jose Airport to Ontario.
How old do you have to be to fly from San Jose Airport to Ontario?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Jose 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.

Best airlines flying from San Jose, California to Region of Ontario

Compare and see reviews for airlines that fly from San Jose, California to Region of Ontario with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $153	Free Cancellation	Rating 7.4 9,477 reviews	Search United Airlines flights
Delta	PriceFrom $178	Free Cancellation	Rating 7.9 8,326 reviews	Search Delta flights
Air Canada	PriceFrom $207	Free Cancellation	Rating 7.1 10,838 reviews	Search Air Canada flights
American Airlines	PriceFrom $389	Free Cancellation	Rating 7.1 11,494 reviews	Search American Airlines flights

Why use momondo?

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

It is quick and easy to find San Jose 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 San Jose to Ontario with flexible booking policies on momondo?

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

How can momondo help me find flights from San Jose to Ontario?

momondo provides multiple filters to help you find the best flight to Ontario from San Jose. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from San Jose and alert you when they change.