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Cheap flights from San José to Ontario from C$ 347

SJO — YYZ
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San José to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from San José to Ontario

Wed 2/1211:55 p.m. -
Nonstop5h 15m
Wed 9/126:25 p.m. -
Nonstop5h 30m
Deal found 2/11C$ 459
Wed 2/1211:55 p.m. -
Nonstop5h 15m
Mon 7/126:25 p.m. -
Nonstop5h 30m
Deal found 3/11C$ 460
Wed 2/1211:55 p.m. -
Nonstop5h 15m
Sun 6/126:25 p.m. -
Nonstop5h 30m
Deal found 3/11C$ 468
Mon 14/1211:55 p.m. -
2 stops19h 07m
Sun 28/21:45 p.m. -
1 stop10h 10m
Deal found 30/10C$ 863
Tue 15/121:55 p.m. -
2 stops24h 12m
Sun 28/22:00 p.m. -
2 stops24h 22m
Deal found 30/10C$ 930
Sat 19/121:55 p.m. -
1 stop22h 16m
Thu 25/26:15 a.m. -
1 stop31h 00m
Deal found 2/11C$ 938
Mon 14/1211:28 p.m. -
2 stops20h 48m
Sun 28/29:45 a.m. -
2 stops27h 30m
Deal found 30/10C$ 952
Mon 21/121:55 p.m. -
1 stop31h 01m
Mon 28/122:00 p.m. -
2 stops31h 39m
Deal found 2/11C$ 971
Wed 2/1211:28 p.m. -
2 stops38h 39m
Wed 9/124:36 p.m. -
2 stops29h 03m
Deal found 3/11C$ 1,011
Fri 4/1211:28 p.m. -
1 stop12h 43m
Tue 8/126:00 a.m. -
1 stop14h 53m
Deal found 31/10C$ 1,169

Find flight deals from San José to Ontario

Round-trip from

C$ 459

One-way from

C$ 347

Popular in

July

Cheapest in

December

Average price

C$ 769

Good round-trip deal

C$ 473 or less

Good one-way deal

C$ 318 or less
Porter Airlines
  • Porter Airlines
  • 2/12-9/12
  • Nonstop
  • 10h 45m total
  • San José to Ontario
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Porter Airlines
  • Porter Airlines
  • 24/1-31/12
  • Nonstop
  • 5h 15m total
  • San José to Ontario
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Highest demand for flights based on searches. 8% potential increase in price (C$ 104 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 12 potential savings vs. average RT price).
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Average for round-trip flights in November 2026
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Price to beat on a round-trip flight from San José Juan Santamaria Intl to Ontario.
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Price to beat on a one-way flight from San José Juan Santamaria Intl to Ontario.
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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JoséToronto

SJO San José Juan Santamaria Intl - YYZ Toronto Pearson Intl

SJOYYZ

San José Juan Santamaria Intl

Wed 2/12

1:16 p.m.-6:55 p.m.

1 stop28h 39m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 387

San JoséToronto

SJO San José Juan Santamaria Intl - YYZ Toronto Pearson Intl

SJOYYZ

San José Juan Santamaria Intl

Sun 6/12

8:45 a.m.-2:17 p.m.

1 stop28h 32m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 435
Quickest round-trip

San JoséToronto

SJO San José Juan Santamaria Intl - YYZ Toronto Pearson Intl

SJOYYZ

San José Juan Santamaria Intl

Thu 3/12

12:35 p.m.-9:02 p.m.

1 stop7h 27m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 435

San JoséToronto

SJO San José Juan Santamaria Intl - YYZ Toronto Pearson Intl

SJOYYZ

San José Juan Santamaria Intl

Tue 23/3

10:28 p.m.-11:28 p.m.

2 stops23h 00m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 435

San JoséToronto

SJO San José Juan Santamaria Intl - YYZ Toronto Pearson Intl

SJOYYZ

San José Juan Santamaria Intl

Thu 4/3

1:25 p.m.-6:45 p.m.

1 stop28h 20m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 435

San JoséToronto

SJO San José Juan Santamaria Intl - YYZ Toronto Pearson Intl

SJOYYZ

San José Juan Santamaria Intl

Thu 24/12

2:15 p.m.-11:48 a.m.

2 stops20h 33m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 435

San JoséToronto

SJO San José Juan Santamaria Intl - YYZ Toronto Pearson Intl

SJOYYZ

San José Juan Santamaria Intl

Sun 20/12

1:55 p.m.-1:43 p.m.

1 stop22h 48m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 435

San JoséToronto

SJO San José Juan Santamaria Intl - YYZ Toronto Pearson Intl

SJOYYZ

San José Juan Santamaria Intl

Sat 26/12

1:25 p.m.-11:59 p.m.

1 stop9h 34m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 435

San JoséToronto

SJO San José Juan Santamaria Intl - YYZ Toronto Pearson Intl

SJOYYZ

San José Juan Santamaria Intl

Sat 27/2

8:45 a.m.-9:47 a.m.

2 stops24h 02m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 435

San JoséToronto

SJO San José Juan Santamaria Intl - YYZ Toronto Pearson Intl

SJOYYZ

San José Juan Santamaria Intl

Thu 17/12

11:28 p.m.-4:47 p.m.

2 stops16h 19m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 435

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/10

Showing 1-10 of 39 resultsSorted by cheapest first
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Best time to book a flight from San José to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from San José with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from San José to Ontario

What is the cheapest month to book a flight from San José to Region of Ontario?

Currently, December is the cheapest month in which you can book a flight from San José to Region of Ontario (average of C$ 660). Flying from San José to Region of Ontario in September is currently the most expensive (average of C$ 902). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SJO to ON?

When flying from San José to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from San José to Region of Ontario

The most flights from SJO to CAON are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

How much does it cost to fly round-trip from San José to Region of Ontario?

Airfare is typical for this route at the moment.
San José to Region of Ontario flights typically cost between C$ 404 and C$ 898 in December.
The cheapest round-trip price found within the last 5 days was C$ 459 on Porter Airlines (2 Dec-9 Dec).

How far ahead should I book a flight from San José to Region of Ontario?

Booking 83 days in advance of your planned departure date is, on average, the best time to get cheap flights from San José to Region of Ontario. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Ontario

Get a feel of what it's like to fly with Air Transat,Air Canada, andAmerican Airlines from San José to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Transat
7.7
Good
584 reviews
Check prices

Boarding

7.9

Comfort

7.3

Overall

7.7

Entertainment

7.0

Crew

8.5

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Transat
7.7
Good
584 reviews
Air Transat
7.7
Good
584 reviews
Check prices

Boarding

7.9

Comfort

7.3

Overall

7.7

Entertainment

7.0

Crew

8.5

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Canada
7.1
Good
11,854 reviews
Air Transat
7.7
Good
584 reviews
Check prices

Boarding

7.9

Comfort

7.3

Overall

7.7

Entertainment

7.0

Crew

8.5

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
American Airlines
7.0
Good
12,232 reviews
Air Transat
7.7
Good
584 reviews
Check prices

Boarding

7.9

Comfort

7.3

Overall

7.7

Entertainment

7.0

Crew

8.5

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Avianca
6.5
Okay
2,551 reviews
Air Transat
7.7
Good
584 reviews
Check prices

Boarding

7.9

Comfort

7.3

Overall

7.7

Entertainment

7.0

Crew

8.5

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.

Related info for your journey

  • What airport do you fly from for flights from San José to Ontario?

    Located just 14.1 km from the city centre, San José Juan Santamaria Intl (SJO) is the airport most travellers will use when flying to Ontario from San José.

  • How long is the flight from San José to Region of Ontario?

    For as low as C$ 873, United Airlines can have you in Region of Ontario from San José in 9h 34m. The distance from San José to Region of Ontario is about 3769 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from San José to Region of Ontario one-way?

    One-way options have recently been found by users for as low as C$ 165 on United Airlines. Other airlines that offer cheap prices include Air Canada from C$ 188 and Avianca from C$ 223 one-way.

  • What are the most popular routes from San José to Region of Ontario?

    Most travellers choose San José Juan Santamaria Intl - Toronto Pearson Intl, San José Juan Santamaria Intl - Montreal Pierre Elliott Trudeau Intl or San José Juan Santamaria Intl - Toronto Island when deciding on the best route from San José to Region of Ontario.

  • What are the most reliable airlines from San José to Region of Ontario?

    No one likes to see their flight delayed. When booking a flight from San José to Region of Ontario consider choosing Air Canada Rouge (97%), Air Canada (95%) or Air Transat (0%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from San José to Region of Ontario?

    On average you can expect to pay C$ 733 for a flight from San José to Region of Ontario. The cheapest flight overall is C$ 310 while the most popular route, (San José Juan Santamaria Intl - Toronto Pearson Intl) is currently priced at C$ 432.

  • Can I find deals for flights from San José to Ontario that include hotel bookings?

    Yes. In addition to deals on San José to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San José to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San José to Ontario.

  • Can I find deals for business class flights from San José to Ontario?

    Yes. Cheapflights offers flight deals from San José to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San José to Region of Ontario?

    Currently, December is the cheapest month in which you can book a flight from San José to Region of Ontario (average of C$ 660). Flying from San José to Region of Ontario in September is currently the most expensive (average of C$ 902). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from San José to Ontario

AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 235AverageC$ 715FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 502AverageC$ 969FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
AviancaCheapestC$ 527AverageC$ 824FlexibilityNo cancel feeOn-time71%
Search Avianca flights
Air TransatCheapestC$ 563AverageC$ 774FlexibilityNo cancel feeOn-time50%
Search Air Transat flights

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Can Cheapflights find flights from San José to Ontario with no change fees?

Certainly. Search results for flights to Ontario from San José shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from San José to Ontario become cheaper?

Yes, Cheapflights offers price alerts on San José to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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