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Cheap flights from San Jose, California to Ontario from $103

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 1/11. 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
4:06 pm - 7:42 pm
SJC
-
YYZ
24h 36m2 stops
Multiple Airlines Logo
7:55 pm - 8:40 am
YYZ
-
SJC
15h 45m1 stop
$270Multiple Airlines
Thu, Jan 22 - Thu, Jan 29
Multiple Airlines Logo
11:14 am - 7:00 am
SJC
-
YYZ
16h 46m2 stops
Multiple Airlines Logo
7:55 pm - 9:42 am
YYZ
-
SJC
16h 47m1 stop
$283Multiple Airlines
Sun, Jan 18 - Sun, Jan 25
United Airlines Logo
4:00 pm - 2:27 pm
SJC
-
YOW
19h 27m2 stops
United Airlines Logo
5:00 am - 1:39 pm
YOW
-
SJC
11h 39m2 stops
$460United Airlines
Thu, Jan 8 - Thu, Jan 15
Delta Logo
7:45 am - 11:50 pm
SJC
-
YUL
13h 05m2 stops
Delta Logo
6:00 am - 5:40 pm
YUL
-
SJC
14h 40m2 stops
$511Delta
Sun, Jan 11 - Sun, Jan 18
Delta Logo
3:33 pm - 11:40 pm
SJC
-
YUL
29h 07m2 stops
Delta Logo
6:00 am - 11:55 pm
YUL
-
SJC
20h 55m2 stops
$627Delta
Wed, Mar 18 - Mon, Mar 23
United Airlines Logo
10:55 pm - 9:18 pm
SJC
-
YOW
19h 23m2 stops
United Airlines Logo
12:00 pm - 10:59 pm
YOW
-
SJC
13h 59m2 stops
$671United Airlines
Fri, Mar 13 - Mon, Mar 16
Air Canada Logo
8:40 am - 9:18 pm
SJC
-
YOW
9h 38m2 stops
Air Canada Logo
10:20 am - 8:56 pm
YOW
-
SJC
13h 36m2 stops
$737Air Canada
Thu, Jan 22 - Sun, Jan 25
Air Canada Logo
8:40 am - 9:57 pm
SJC
-
YAM
10h 17m2 stops
Air Canada Logo
5:40 am - 1:38 pm
YAM
-
SJC
10h 58m2 stops
$786Air Canada
Sat, Jan 24 - Sat, Jan 31
American Airlines Logo
7:24 pm - 4:53 pm
SJC
-
YOW
18h 29m3 stops
American Airlines Logo
10:00 am - 9:29 pm
YOW
-
SJC
14h 29m2 stops
$986American Airlines
Sun, Jan 25 - Sun, Feb 1
American Airlines Logo
7:24 pm - 4:53 pm
SJC
-
YOW
18h 29m3 stops
American Airlines Logo
6:45 am - 10:49 pm
YOW
-
SJC
19h 04m3 stops
$987American Airlines
Sun, Jan 25 - Sun, Feb 1

Air Canada flights from San Jose, California to Region of Ontario

Our best Air Canada deals on San Jose, California to Region of Ontario flight tickets
Air Canada
Jan 26
SJC4:00 pmSan Jose
14h 58m
2 stops
YYZ9:58 amToronto Pearson Intl
Feb 2
YYZ9:00 pmToronto Pearson Intl
19h 39m
2 stops
SJC1:39 pmSan Jose
$373
Find similar
Air Canada
Jan 16
SJC4:00 pmSan Jose
16h 20m
2 stops
YYZ11:20 amToronto Pearson Intl
Jan 18
YYZ8:30 amToronto Pearson Intl
8h 09m
1 stop
SJC1:39 pmSan Jose
$475
Find similar
Air Canada
Dec 24
SJC2:29 pmSan Jose
17h 11m
2 stops
YYZ10:40 amToronto Pearson Intl
Jan 7
YYZ9:00 pmToronto Pearson Intl
26h 56m
2 stops
SJC8:56 pmSan Jose
$685
Find similar

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 19
SJC6:10 amSan Jose
6h 49m
1 stop
YYZ3:59 pmToronto Pearson Intl
Mar 22
YYZ12:25 pmToronto Pearson Intl
12h 10m
1 stop
SJC9:35 pmSan Jose
$390
Find similar
Delta
Jan 21
SJC10:45 pmSan Jose
9h 23m
1 stop
YYZ11:08 amToronto Pearson Intl
Jan 25
YYZ6:10 amToronto Pearson Intl
9h 46m
1 stop
SJC12:56 pmSan Jose
$391
Find similar
Delta
Jan 21
SJC7:45 amSan Jose
11h 57m
2 stops
YYZ10:42 pmToronto Pearson Intl
Jan 24
YYZ6:10 amToronto Pearson Intl
9h 46m
1 stop
SJC12:56 pmSan Jose
$398
Find similar

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 December 11, 2025.
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

Thu 1/22

4:06 pm-7:42 pm

2 stops24h 36m

Toronto Pearson Intl

Thu 1/29

7:55 pm-8:40 am

1 stop15h 45m

$270

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Sun 1/18

11:14 am-7:00 am

2 stops16h 46m

Toronto Pearson Intl

Sun 1/25

7:55 pm-9:42 am

1 stop16h 47m

$283

San JoseOttawa

SJC - YOW

SJCYOW

San Jose

Thu 1/8

4:00 pm-2:27 pm

2 stops19h 27m

Ottawa

Thu 1/15

5:00 am-1:39 pm

2 stops11h 39m

$460

San JoseMontreal

SJC - YUL

SJCYUL

San Jose

Sun 1/11

7:45 am-11:50 pm

2 stops13h 05m

Montreal Pierre Elliott Trudeau Intl

Sun 1/18

6:00 am-5:40 pm

2 stops14h 40m

$511

San JoseMontreal

SJC - YUL

SJCYUL

San Jose

Wed 3/18

3:33 pm-11:40 pm

2 stops29h 07m

Montreal Pierre Elliott Trudeau Intl

Mon 3/23

6:00 am-11:55 pm

2 stops20h 55m

$627

San JoseOttawa

SJC - YOW

SJCYOW

San Jose

Fri 3/13

10:55 pm-9:18 pm

2 stops19h 23m

Ottawa

Mon 3/16

12:00 pm-10:59 pm

2 stops13h 59m

$671

San JoseOttawa

SJC - YOW

SJCYOW

San Jose

Thu 1/22

8:40 am-9:18 pm

2 stops9h 38m

Ottawa

Sun 1/25

10:20 am-8:56 pm

2 stops13h 36m

$737

San JoseSault Ste Marie

SJC - YAM

SJCYAM

San Jose

Sat 1/24

8:40 am-9:57 pm

2 stops10h 17m

Sault Ste Marie

Sat 1/31

5:40 am-1:38 pm

2 stops10h 58m

$786

San JoseOttawa

SJC - YOW

SJCYOW

San Jose

Sun 1/25

7:24 pm-4:53 pm

3 stops18h 29m

Ottawa

Sun 2/1

10:00 am-9:29 pm

2 stops14h 29m

$986

San JoseOttawa

SJC - YOW

SJCYOW

San Jose

Sun 1/25

7:24 pm-4:53 pm

3 stops18h 29m

Ottawa

Sun 2/1

6:45 am-10:49 pm

3 stops19h 04m

$987

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 March is, on average, the cheapest month to fly to Region of Ontario from San Jose, California, with most prices found around $350. If you aren’t able to travel during the month of March, then book flights to Region of Ontario from San Jose, California during November instead. Flights to Region of Ontario in November, while not as cheap as those in March, still average around $359.

What is the cheapest day to depart on your flight to Region of Ontario?

According to our data, Monday is the cheapest day to fly to Region of Ontario from San Jose, California. The lowest ticket price found for a Monday departure recently was $465. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from San Jose, California to Region of Ontario on a Sunday will generally be more expensive and average around $687. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Region of Ontario?

According to our data, the cheapest time of day to fly to Region of Ontario is in the evening. momondo users have found flights departing from San Jose, California to Region of Ontario in the evening for as low as $447. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $562.

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 $477 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 59% 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 29m

Direct flights

None
The fastest flight from San Jose, California to Region of Ontario takes 6h 29m
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 $207Free CancellationRating
7.9
8,008 reviews
Search Delta flights
Air CanadaPriceFrom $208Free CancellationRating
7.1
10,514 reviews
Search Air Canada flights
United AirlinesPriceFrom $350Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
American AirlinesPriceFrom $389Free CancellationRating
7.2
11,048 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.

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