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Cheap flights from San Jose, California to Ontario from $109

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Jose, California to Ontario departing on 3/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from San Jose, California to Ontario

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:42 pm - 6:43 am
SJC
-
YYZ
8h 01m
1 stop
Multiple Airlines Logo
9:35 am - 6:07 pm
YYZ
-
SJC
11h 32m
1 stop
$301Multiple Airlines
Mon, Mar 23 - Mon, Mar 30
Multiple Airlines Logo
7:42 pm - 11:11 pm
SJC
-
YYZ
24h 29m
2 stops
Multiple Airlines Logo
9:35 am - 6:07 pm
YYZ
-
SJC
11h 32m
1 stop
$303Multiple Airlines
Mon, Mar 23 - Mon, Mar 30
Delta Logo
6:20 am - 3:59 pm
SJC
-
YYZ
6h 39m
1 stop
Delta Logo
12:25 pm - 9:33 pm
YYZ
-
SJC
12h 08m
1 stop
$362Delta
Mon, Mar 2 - Mon, Mar 9
United Airlines Logo
3:55 pm - 2:14 pm
SJC
-
YYZ
19h 19m
2 stops
United Airlines Logo
3:30 pm - 10:59 pm
YYZ
-
SJC
10h 29m
1 stop
$363United Airlines
Mon, Mar 2 - Mon, Mar 9
Delta Logo
10:55 pm - 10:19 am
SJC
-
YYZ
8h 24m
1 stop
Delta Logo
11:30 am - 9:45 pm
YYZ
-
SJC
13h 15m
1 stop
$364Delta
Wed, Apr 15 - Sat, Apr 25
United Airlines Logo
8:45 am - 9:32 pm
SJC
-
YYZ
9h 47m
1 stop
United Airlines Logo
9:44 am - 10:36 pm
YYZ
-
SJC
15h 52m
2 stops
$369United Airlines
Sun, Apr 12 - Wed, Apr 22
Air Canada Logo
6:19 pm - 9:32 pm
SJC
-
YTZ
24h 13m
2 stops
Air Canada Logo
8:30 pm - 1:28 pm
YTZ
-
SJC
19h 58m
2 stops
$508Air Canada
Fri, May 1 - Tue, May 5
Air Canada Logo
8:50 am - 9:18 pm
SJC
-
YOW
9h 28m
2 stops
Air Canada Logo
5:50 pm - 9:05 pm
YOW
-
SJC
30h 15m
2 stops
$644Air Canada
Wed, Feb 18 - Mon, Mar 2
WestJet Logo
1:57 pm - 5:16 pm
SJC
-
YHM
24h 19m
2 stops
WestJet Logo
6:10 pm - 3:08 pm
YHM
-
SJC
23h 58m
2 stops
$1,133WestJet
Wed, Apr 15 - Wed, Apr 22
WestJet Logo
1:55 pm - 5:16 pm
SJC
-
YHM
24h 21m
2 stops
WestJet Logo
6:10 pm - 10:05 pm
YHM
-
SJC
30h 55m
2 stops
$1,150WestJet
Sun, Mar 1 - Thu, Mar 5

Delta flights from San Jose, California to Region of Ontario

Our best Delta deals on San Jose, California to Region of Ontario flight tickets
Delta
Mar 2
SJC9:10 pmSan Jose
10h 57m
2 stops
YYZ11:07 amToronto Pearson Intl
Mar 9
YYZ3:59 pmToronto Pearson Intl
10h 59m
2 stops
SJC11:58 pmSan Jose
$362
Delta
Mar 2
SJC10:35 pmSan Jose
11h 49m
2 stops
YYZ1:24 pmToronto Pearson Intl
Mar 10
YYZ12:25 pmToronto Pearson Intl
12h 08m
1 stop
SJC9:33 pmSan Jose
$363
Delta
Apr 15
SJC10:55 pmSan Jose
8h 24m
1 stop
YYZ10:19 amToronto Pearson Intl
Apr 25
YYZ11:30 amToronto Pearson Intl
13h 15m
1 stop
SJC9:45 pmSan Jose
$364

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 12
SJC8:45 amSan Jose
9h 47m
1 stop
YYZ9:32 pmToronto Pearson Intl
Apr 22
YYZ9:44 amToronto Pearson Intl
15h 52m
2 stops
SJC10:36 pmSan Jose
$369
United Airlines
Mar 17
SJC3:49 pmSan Jose
19h 38m
2 stops
YOW2:27 pmOttawa
Mar 18
YOW5:11 pmOttawa
8h 48m
1 stop
SJC10:59 pmSan Jose
$375
United Airlines
Feb 17
SJC8:50 amSan Jose
21h 46m
2 stops
YYZ9:36 amToronto Pearson Intl
Feb 24
YYZ12:45 pmToronto Pearson Intl
11h 20m
2 stops
SJC9:05 pmSan Jose
$385

momondo Fare Finder

 
Customize your flight search to find flights from San Jose, California to Region of Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 6, 2026.
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

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Mon 3/23

7:42 pm-6:43 am

1 stop8h 01m

Toronto Pearson Intl

Mon 3/30

9:35 am-6:07 pm

1 stop11h 32m

$301

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Mon 3/23

7:42 pm-11:11 pm

2 stops24h 29m

Toronto Pearson Intl

Mon 3/30

9:35 am-6:07 pm

1 stop11h 32m

$303

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Mon 3/2

6:20 am-3:59 pm

1 stop6h 39m

Toronto Pearson Intl

Mon 3/9

12:25 pm-9:33 pm

1 stop12h 08m

$362

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Mon 3/2

3:55 pm-2:14 pm

2 stops19h 19m

Toronto Pearson Intl

Mon 3/9

3:30 pm-10:59 pm

1 stop10h 29m

$363

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Wed 4/15

10:55 pm-10:19 am

1 stop8h 24m

Toronto Pearson Intl

Sat 4/25

11:30 am-9:45 pm

1 stop13h 15m

$364

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Sun 4/12

8:45 am-9:32 pm

1 stop9h 47m

Toronto Pearson Intl

Wed 4/22

9:44 am-10:36 pm

2 stops15h 52m

$369

San JoseToronto

SJC - YTZ

SJCYTZ

San Jose

Fri 5/1

6:19 pm-9:32 pm

2 stops24h 13m

Toronto Island

Tue 5/5

8:30 pm-1:28 pm

2 stops19h 58m

$508

San JoseOttawa

SJC - YOW

SJCYOW

San Jose

Wed 2/18

8:50 am-9:18 pm

2 stops9h 28m

Ottawa

Mon 3/2

5:50 pm-9:05 pm

2 stops30h 15m

$644

San JoseHamilton

SJC - YHM

SJCYHM

San Jose

Wed 4/15

1:57 pm-5:16 pm

2 stops24h 19m

Hamilton

Wed 4/22

6:10 pm-3:08 pm

2 stops23h 58m

$1,133

San JoseHamilton

SJC - YHM

SJCYHM

San Jose

Sun 3/1

1:55 pm-5:16 pm

2 stops24h 21m

Hamilton

Thu 3/5

6:10 pm-10:05 pm

2 stops30h 55m

$1,150

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ontario from

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

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 May instead. Flights to Region of Ontario in May, while not as cheap as those in November, still average around $383.

How far in advance should I book a flight to Region of Ontario?

You are more likely to see cheaper flights to Region of Ontario from San Jose, California when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around $464 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from San Jose, California for as low as $270 on momondo.

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

You could potentially save up to 62% 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 59m

Direct flights

None
The fastest flight from San Jose, California to Region of Ontario takes 6h 59m
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?

  • 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
DeltaPriceFrom $178Free CancellationRating
7.9
8,162 reviews
Search Delta flights
Air CanadaPriceFrom $207Free CancellationRating
7.1
10,697 reviews
Search Air Canada flights
United AirlinesPriceFrom $250Free CancellationRating
7.4
9,245 reviews
Search United Airlines flights
American AirlinesPriceFrom $389Free CancellationRating
7.2
11,247 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.

An easier way to manage your Region of Ontario trip

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