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Cheap flights from San Jose to Ontario from $119

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 to Ontario departing on 9/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from San Jose to Ontario

Cheap round-trip flights

Logo
6:00 am - 12:22 amSJC-YYZ
15h 22m2 stops
Logo
9:45 am - 8:00 pmYYZ-SJC
13h 15m1 stop
$275
Find Deal
Wed, Sep 3 - Wed, Sep 10
Logo
11:40 am - 7:45 pmSJC-YYZ
29h 05m1 stop
Logo
9:45 am - 8:00 pmYYZ-SJC
13h 15m1 stop
$277
Find Deal
Tue, Sep 16 - Wed, Sep 24
Delta Logo
7:00 am - 11:18 pmSJC-YUL
13h 18m2 stops
Delta Logo
6:20 am - 6:14 pmYUL-SJC
14h 54m2 stops
$481Delta
Find Deal
Tue, Sep 16 - Tue, Sep 23
Delta Logo
1:31 pm - 12:00 pmSJC-YUL
19h 29m2 stops
Delta Logo
6:20 am - 6:14 pmYUL-SJC
14h 54m2 stops
$491Delta
Find Deal
Sat, Sep 13 - Tue, Sep 23
United Airlines Logo
6:30 am - 9:29 pmSJC-YUL
11h 59m1 stop
United Airlines Logo
9:45 am - 10:40 pmYUL-SJC
15h 55m1 stop
$658United Airlines
Find Deal
Tue, Sep 16 - Tue, Sep 23
United Airlines Logo
6:30 am - 9:29 pmSJC-YUL
11h 59m1 stop
United Airlines Logo
8:20 am - 10:40 pmYUL-SJC
17h 20m1 stop
$667United Airlines
Find Deal
Mon, Sep 15 - Wed, Sep 17
Air Canada Logo
8:45 am - 8:23 amSJC-YOW
20h 38m2 stops
Air Canada Logo
9:55 pm - 5:17 pmYOW-SJC
22h 22m2 stops
$791Air Canada
Find Deal
Sun, Sep 21 - Thu, Sep 25
WestJet Logo
7:23 am - 12:40 amSJC-YHM
14h 17m2 stops
WestJet Logo
6:00 am - 10:49 pmYHM-SJC
19h 49m3 stops
$924WestJet
Find Deal
Tue, Sep 2 - Sat, Sep 6
WestJet Logo
7:23 am - 12:40 amSJC-YHM
14h 17m2 stops
WestJet Logo
6:00 am - 5:30 pmYHM-SJC
14h 30m2 stops
$974WestJet
Find Deal
Tue, Sep 2 - Sat, Sep 6
Air Canada Logo
6:20 pm - 9:59 pmSJC-YAM
24h 39m2 stops
Air Canada Logo
5:35 am - 5:17 pmYAM-SJC
14h 42m2 stops
$1,632Air Canada
Find Deal
Fri, Aug 29 - Mon, Sep 1

United Airlines flights from San Jose to Region of Ontario

Our best United Airlines deals on San Jose to Region of Ontario flight tickets
United Airlines
Aug 22
SJC6:20 pmSan Jose
15h 38m
1 stop
YYZ12:58 pmToronto Pearson Intl
Sep 8
YYZ7:40 pmToronto Pearson Intl
19h 25m
1 stop
SJC12:05 pmSan Jose
$612
Find similar
United Airlines
Aug 22
SJC6:20 pmSan Jose
15h 38m
1 stop
YYZ12:58 pmToronto Pearson Intl
Sep 8
YYZ7:47 pmToronto Pearson Intl
19h 18m
2 stops
SJC12:05 pmSan Jose
$621
Find similar
United Airlines
Sep 16
SJC6:30 amSan Jose
11h 59m
1 stop
YUL9:29 pmMontreal Pierre Elliott Trudeau Intl
Sep 23
YUL9:45 amMontreal Pierre Elliott Trudeau Intl
15h 55m
1 stop
SJC10:40 pmSan Jose
$658
Find similar

American Airlines flights from San Jose to Region of Ontario

Our best American Airlines deals on San Jose to Region of Ontario flight tickets
American Airlines
Aug 20
SJC6:00 amSan Jose
26h 13m
2 stops
YYZ11:13 amToronto Pearson Intl
Nov 11
YYZ10:30 amToronto Pearson Intl
13h 18m
2 stops
SJC8:48 pmSan Jose
$523
Find similar
American Airlines
Aug 20
SJC6:00 amSan Jose
26h 13m
2 stops
YYZ11:13 amToronto Pearson Intl
Nov 16
YYZ7:30 amToronto Pearson Intl
16h 19m
2 stops
SJC8:49 pmSan Jose
$614
Find similar
American Airlines
Aug 27
SJC1:09 pmSan Jose
20h 21m
1 stop
YYZ12:30 pmToronto Pearson Intl
Sep 9
YYZ6:49 amToronto Pearson Intl
12h 52m
1 stop
SJC4:41 pmSan Jose
$657
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Jose 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 August 18, 2025.
Use the filters below to find and compare flights from San Jose to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Wed 9/3

6:00 am-12:22 am

2 stops15h 22m

Toronto Pearson Intl

Wed 9/10

9:45 am-8:00 pm

1 stop13h 15m

$275

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Tue 9/16

11:40 am-7:45 pm

1 stop29h 05m

Toronto Pearson Intl

Wed 9/24

9:45 am-8:00 pm

1 stop13h 15m

$277

San JoseMontreal

SJC - YUL

SJCYUL

San Jose

Tue 9/16

7:00 am-11:18 pm

2 stops13h 18m

Montreal Pierre Elliott Trudeau Intl

Tue 9/23

6:20 am-6:14 pm

2 stops14h 54m

$481

San JoseMontreal

SJC - YUL

SJCYUL

San Jose

Sat 9/13

1:31 pm-12:00 pm

2 stops19h 29m

Montreal Pierre Elliott Trudeau Intl

Tue 9/23

6:20 am-6:14 pm

2 stops14h 54m

$491

San JoseMontreal

SJC - YUL

SJCYUL

San Jose

Tue 9/16

6:30 am-9:29 pm

1 stop11h 59m

Montreal Pierre Elliott Trudeau Intl

Tue 9/23

9:45 am-10:40 pm

1 stop15h 55m

$658

San JoseMontreal

SJC - YUL

SJCYUL

San Jose

Mon 9/15

6:30 am-9:29 pm

1 stop11h 59m

Montreal Pierre Elliott Trudeau Intl

Wed 9/17

8:20 am-10:40 pm

1 stop17h 20m

$667

San JoseOttawa

SJC - YOW

SJCYOW

San Jose

Sun 9/21

8:45 am-8:23 am

2 stops20h 38m

Ottawa

Thu 9/25

9:55 pm-5:17 pm

2 stops22h 22m

$791

San JoseHamilton

SJC - YHM

SJCYHM

San Jose

Tue 9/2

7:23 am-12:40 am

2 stops14h 17m

Hamilton

Sat 9/6

6:00 am-10:49 pm

3 stops19h 49m

$924

San JoseHamilton

SJC - YHM

SJCYHM

San Jose

Tue 9/2

7:23 am-12:40 am

2 stops14h 17m

Hamilton

Sat 9/6

6:00 am-5:30 pm

2 stops14h 30m

$974

San JoseSault Ste Marie

SJC - YAM

SJCYAM

San Jose

Fri 8/29

6:20 pm-9:59 pm

2 stops24h 39m

Sault Ste Marie

Mon 9/1

5:35 am-5:17 pm

2 stops14h 42m

$1,632

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 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, with most prices found around $319. If you aren’t able to travel during the month of March, then book flights to Region of Ontario from San Jose during May instead. Flights to Region of Ontario in May, while not as cheap as those in March, still average around $383.

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. 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 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 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around $436 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 for as low as $270 on momondo.

Cheap San Jose to Region of Ontario flight deals and tips

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

Best Price Found

$119

Fastest flight time

7h 22m

Direct flights

None

Airports in Region of Ontario

6 airports
The best one-way flight to Region of Ontario from San Jose in the past 72 hours is $119. The best round-trip flight deal from San Jose to Region of Ontario found on momondo in the last 72 hours is $275.
The fastest flight from San Jose to Region of Ontario takes 7h 22m
There are no direct flights from San Jose to Region of Ontario. Popular non-direct routes for this connection are San Jose Airport - Toronto Pearson Intl Airport, San Jose Airport - Ottawa Airport and San Jose Airport - Montreal Pierre Elliott Trudeau Intl Airport.
There are 6 airports near Region of Ontario: Ottawa (YOW), Montreal Pierre Elliott Trudeau Intl (YUL), London (YXU), Toronto Pearson Intl (YYZ), Toronto Island (YTZ), Hamilton (YHM)
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  • 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 to Region of Ontario

Compare and see reviews for airlines that fly from San Jose to Region of Ontario with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $207Free CancellationRating
7.1
9,992 reviews
Search Air Canada flights
DeltaPriceFrom $207Free CancellationRating
8.0
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $323Free CancellationRating
7.4
8,925 reviews
Search United Airlines flights
American AirlinesPriceFrom $435Free CancellationRating
7.2
10,000 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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