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Cheap flights from Ontario to San Jose from $175

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to San Jose departing on 4/22. 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 Ontario to San Jose

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
11:30 am - 9:45 pm
YYZ
-
SJC
13h 15m
1 stop
Delta Logo
11:00 pm - 12:19 pm
SJC
-
YYZ
10h 19m
1 stop
$298Delta
Wed, Apr 15 - Sat, Apr 18
Delta Logo
6:10 am - 8:37 pm
YYZ
-
SJC
17h 27m
2 stops
Delta Logo
11:00 pm - 10:19 am
SJC
-
YYZ
8h 19m
1 stop
$303Delta
Wed, Apr 15 - Sat, Apr 18
Delta Logo
11:30 am - 9:45 pm
YYZ
-
SJC
13h 15m
1 stop
Delta Logo
11:00 pm - 12:15 pm
SJC
-
YYZ
10h 15m
1 stop
$310Delta
Wed, Apr 15 - Fri, Apr 17
United Airlines Logo
3:30 pm - 10:59 pm
YYZ
-
SJC
10h 29m
1 stop
United Airlines Logo
3:45 pm - 11:49 am
SJC
-
YYZ
17h 04m
2 stops
$318United Airlines
Tue, Mar 24 - Tue, Mar 31
United Airlines Logo
10:15 am - 5:23 pm
YYZ
-
SJC
10h 08m
2 stops
United Airlines Logo
1:10 pm - 3:14 pm
SJC
-
YYZ
23h 04m
2 stops
$320United Airlines
Fri, May 8 - Fri, Aug 21
WestJet Logo
6:20 am - 5:31 pm
YKF
-
SJC
14h 11m
2 stops
WestJet Logo
1:50 pm - 5:29 am
SJC
-
YKF
12h 39m
2 stops
$710WestJet
Mon, Mar 30 - Mon, Apr 6
Multiple Airlines Logo
8:15 am - 10:01 pm
YHM
-
SJC
16h 46m
2 stops
Multiple Airlines Logo
3:40 pm - 12:44 pm
SJC
-
YHM
18h 04m
3 stops
$745Multiple Airlines
Fri, Apr 24 - Tue, Apr 28
Multiple Airlines Logo
7:55 am - 10:41 pm
YTZ
-
SJC
17h 46m
2 stops
Multiple Airlines Logo
6:30 am - 8:09 pm
SJC
-
YTZ
10h 39m
2 stops
$752Multiple Airlines
Thu, Apr 16 - Thu, Apr 23
WestJet Logo
6:10 pm - 10:09 pm
YHM
-
SJC
30h 59m
2 stops
WestJet Logo
2:35 pm - 5:15 pm
SJC
-
YHM
23h 40m
2 stops
$822WestJet
Fri, Jun 26 - Sat, Jul 4
Air Canada Logo
5:10 am - 9:08 pm
YXU
-
SJC
18h 58m
2 stops
Air Canada Logo
8:45 am - 8:44 am
SJC
-
YXU
20h 59m
2 stops
$858Air Canada
Thu, Apr 2 - Mon, Apr 6

Delta flights from Region of Ontario to San Jose, California

Our best Delta deals on Region of Ontario to San Jose, California flight tickets
Delta
Apr 15
YYZ11:30 amToronto Pearson Intl
13h 15m
1 stop
SJC9:45 pmSan Jose
Apr 18
SJC11:00 pmSan Jose
10h 19m
1 stop
YYZ12:19 pmToronto Pearson Intl
$298
Delta
Apr 15
YYZ6:10 amToronto Pearson Intl
17h 27m
2 stops
SJC8:37 pmSan Jose
Apr 18
SJC11:00 pmSan Jose
8h 19m
1 stop
YYZ10:19 amToronto Pearson Intl
$303
Delta
Apr 15
YYZ11:30 amToronto Pearson Intl
13h 15m
1 stop
SJC9:45 pmSan Jose
Apr 17
SJC11:00 pmSan Jose
10h 15m
1 stop
YYZ12:15 pmToronto Pearson Intl
$310

WestJet flights from Region of Ontario to San Jose, California

Our best WestJet deals on Region of Ontario to San Jose, California flight tickets
WestJet
May 9
YYZ6:15 amToronto Pearson Intl
14h 00m
2 stops
SJC5:15 pmSan Jose
Aug 22
SJC1:50 pmSan Jose
12h 55m
2 stops
YYZ5:45 amToronto Pearson Intl
$352
WestJet
Apr 1
YYZ10:00 amToronto Pearson Intl
31h 44m
2 stops
SJC2:44 pmSan Jose
Apr 8
SJC1:50 pmSan Jose
31h 05m
2 stops
YYZ11:55 pmToronto Pearson Intl
$353
WestJet
May 11
YYZ6:15 amToronto Pearson Intl
14h 00m
2 stops
SJC5:15 pmSan Jose
Jun 11
SJC11:30 amSan Jose
15h 15m
2 stops
YYZ5:45 amToronto Pearson Intl
$354

momondo Fare Finder

 
Customize your flight search to find flights from Region of Ontario to San Jose, California 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 March 7, 2026.
Use the filters below to find and compare flights from Ontario to San Jose, California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Wed 4/15

11:30 am-9:45 pm

1 stop13h 15m

San Jose

Sat 4/18

11:00 pm-12:19 pm

1 stop10h 19m

$298

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Wed 4/15

6:10 am-8:37 pm

2 stops17h 27m

San Jose

Sat 4/18

11:00 pm-10:19 am

1 stop8h 19m

$303
Quickest round-trip

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Wed 4/15

11:30 am-9:45 pm

1 stop13h 15m

San Jose

Fri 4/17

11:00 pm-12:15 pm

1 stop10h 15m

$310

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Tue 3/24

3:30 pm-10:59 pm

1 stop10h 29m

San Jose

Tue 3/31

3:45 pm-11:49 am

2 stops17h 04m

$318

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Fri 5/8

10:15 am-5:23 pm

2 stops10h 08m

San Jose

Fri 8/21

1:10 pm-3:14 pm

2 stops23h 04m

$320

TorontoSan Jose

YKF - SJC

YKFSJC

Toronto Region of Waterloo Intl

Mon 3/30

6:20 am-5:31 pm

2 stops14h 11m

San Jose

Mon 4/6

1:50 pm-5:29 am

2 stops12h 39m

$710

HamiltonSan Jose

YHM - SJC

YHMSJC

Hamilton

Fri 4/24

8:15 am-10:01 pm

2 stops16h 46m

San Jose

Tue 4/28

3:40 pm-12:44 pm

3 stops18h 04m

$745

TorontoSan Jose

YTZ - SJC

YTZSJC

Toronto Island

Thu 4/16

7:55 am-10:41 pm

2 stops17h 46m

San Jose

Thu 4/23

6:30 am-8:09 pm

2 stops10h 39m

$752

HamiltonSan Jose

YHM - SJC

YHMSJC

Hamilton

Fri 6/26

6:10 pm-10:09 pm

2 stops30h 59m

San Jose

Sat 7/4

2:35 pm-5:15 pm

2 stops23h 40m

$822

LondonSan Jose

YXU - SJC

YXUSJC

London

Thu 4/2

5:10 am-9:08 pm

2 stops18h 58m

San Jose

Mon 4/6

8:45 am-8:44 am

2 stops20h 59m

$858

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 San Jose from

How to get the cheapest flight ticket from Region of Ontario to San Jose, California

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 San Jose, California?

The month of April is, on average, the cheapest month to fly to San Jose, California from Region of Ontario, with most prices found around $307. If you are unable to visit San Jose, California during the month of April, then departing from Region of Ontario during the month March is also very affordable. Most momondo users find prices during this month for around $309.

How far in advance should I book a flight to San Jose, California?

You are more likely to see cheaper flights to San Jose, California from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to San Jose, California for around $411 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Jose, California from Region of Ontario for as low as $329 on momondo.

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

You could potentially save up to 9% on your flight if you consider stops on a Region of Ontario to San Jose, California flight.

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

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

Fastest flight time

8h 06m

Direct flights

None
The fastest flight from Region of Ontario to San Jose, California takes 8h 06m
There are no direct flights from Region of Ontario to San Jose, California. There are no popular flight routes from Region of Ontario to San Jose, California.
Search flight deals

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

    Prices for flights from Ontario to San Jose Airport refresh daily.

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

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

    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 Ontario to San Jose Airport.

  • What documentation or ID do you need to fly to San Jose Airport?

    The travel and health documents required for your trip to San Jose Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Jose Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Compare and see reviews for airlines that fly from Region of Ontario to San Jose, California with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $300Free CancellationRating
7.1
10,789 reviews
Search Air Canada flights
United AirlinesPriceFrom $306Free CancellationRating
7.4
9,405 reviews
Search United Airlines flights
DeltaPriceFrom $309Free CancellationRating
7.9
8,270 reviews
Search Delta flights
American AirlinesPriceFrom $316Free CancellationRating
7.1
11,399 reviews
Search American Airlines flights

Why use momondo?

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

It is quick and easy to find Ontario to San Jose 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 San Jose that suits you.

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

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

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

momondo helps you find the best flight between Ontario and San Jose by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Ontario to San Jose flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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