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Cheap flights from San José to Ontario from C$ 328

SJO — YYZ
17 Oct — 24 Oct1
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
Fri 11/126:25 p.m. -
Nonstop5h 30m
Deal found 16/9C$ 583
Wed 2/1211:55 p.m. -
Nonstop5h 15m
Wed 9/126:25 p.m. -
Nonstop5h 30m
Deal found 14/9C$ 587
Fri 4/1211:55 p.m. -
Nonstop5h 15m
Mon 7/126:25 p.m. -
Nonstop5h 30m
Deal found 15/9C$ 593
Wed 9/1211:55 p.m. -
Nonstop5h 15m
Mon 8/26:25 p.m. -
Nonstop5h 30m
Deal found 16/9C$ 595
Fri 4/1211:55 p.m. -
Nonstop5h 15m
Sun 6/126:25 p.m. -
Nonstop5h 30m
Deal found 14/9C$ 597
Wed 2/1211:55 p.m. -
Nonstop5h 15m
Mon 7/126:25 p.m. -
Nonstop5h 30m
Deal found 15/9C$ 598
Fri 4/1211:55 p.m. -
Nonstop5h 15m
Fri 11/126:25 p.m. -
Nonstop5h 30m
Deal found 14/9C$ 600
Wed 2/124:00 p.m. -
1 stop28h 35m
Mon 7/126:25 p.m. -
Nonstop5h 30m
Deal found 14/9C$ 604
Wed 2/124:00 p.m. -
1 stop28h 35m
Fri 11/126:25 p.m. -
Nonstop5h 30m
Deal found 17/9C$ 605
Wed 23/1211:55 p.m. -
Nonstop5h 15m
Sat 23/111:10 p.m. -
1 stop25h 45m
Deal found 14/9C$ 608
Wed 2/124:00 p.m. -
1 stop28h 35m
Sun 6/126:25 p.m. -
Nonstop5h 30m
Deal found 14/9C$ 609
Mon 9/119:20 a.m. -
1 stop9h 36m
Fri 13/112:45 p.m. -
1 stop10h 10m
Deal found 12/9C$ 727

Find flight deals from San José to Ontario

Round-trip from

C$ 583

One-way from

C$ 328

Popular in

July

Cheapest in

November

Average price

C$ 798

Good round-trip deal

C$ 352 or less

Good one-way deal

C$ 448 or less
Porter Airlines
  • Porter Airlines
  • 2/12-11/12
  • Nonstop
  • 10h 45m total
  • San José to Ontario
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4/11-31/12
  • 4/11-31/12
  • 2 total stops
  • 12h 19m total
  • San José to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 139 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2026
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Price to beat on a round-trip flight from San José Juan Santamaria Intl to Ontario.
Search Deals
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 JoséOttawa

SJO San José Juan Santamaria Intl - YOW Ottawa

SJOYOW

San José Juan Santamaria Intl

Wed 4/11

11:25 a.m.-12:44 a.m.

2 stops12h 19m

Ottawa

Wed 31/12

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

Nonstop0h 00m

C$ 328

San JoséOttawa

SJO San José Juan Santamaria Intl - YOW Ottawa

SJOYOW

San José Juan Santamaria Intl

Thu 29/10

2:50 p.m.-12:44 a.m.

2 stops31h 54m

Ottawa

Wed 31/12

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

Nonstop0h 00m

C$ 336

San JoséOttawa

SJO San José Juan Santamaria Intl - YOW Ottawa

SJOYOW

San José Juan Santamaria Intl

Wed 4/11

11:28 p.m.-9:56 p.m.

1 stop21h 28m

Ottawa

Wed 31/12

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

Nonstop0h 00m

C$ 384

San JoséOttawa

SJO San José Juan Santamaria Intl - YOW Ottawa

SJOYOW

San José Juan Santamaria Intl

Thu 24/9

1:25 p.m.-9:56 a.m.

2 stops18h 31m

Ottawa

Wed 31/12

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

Nonstop0h 00m

C$ 385

San JoséOttawa

SJO San José Juan Santamaria Intl - YOW Ottawa

SJOYOW

San José Juan Santamaria Intl

Tue 10/11

11:28 p.m.-1:11 p.m.

1 stop12h 43m

Ottawa

Wed 31/12

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

Nonstop0h 00m

C$ 385

San JoséToronto

SJO San José Juan Santamaria Intl - YYZ Toronto Pearson Intl

SJOYYZ

San José Juan Santamaria Intl

Fri 23/10

7:55 a.m.-10:36 p.m.

1 stop12h 41m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 385

San JoséToronto

SJO San José Juan Santamaria Intl - YYZ Toronto Pearson Intl

SJOYYZ

San José Juan Santamaria Intl

Sat 26/12

2:15 p.m.-9:47 a.m.

2 stops18h 32m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 392

San JoséOttawa

SJO San José Juan Santamaria Intl - YOW Ottawa

SJOYOW

San José Juan Santamaria Intl

Fri 25/9

2:50 p.m.-12:25 a.m.

2 stops31h 35m

Ottawa

Wed 31/12

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

Nonstop0h 00m

C$ 431

San JoséOttawa

SJO San José Juan Santamaria Intl - YOW Ottawa

SJOYOW

San José Juan Santamaria Intl

Wed 17/2

11:28 p.m.-1:26 p.m.

1 stop12h 58m

Ottawa

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

Fri 22/1

1:25 p.m.-9:15 p.m.

1 stop30h 50m

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 13/9

Showing 1-10 of 60 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, November is the cheapest month in which you can book a flight from San José to Region of Ontario (average of C$ 604). Flying from San José to Region of Ontario in September is currently the most expensive (average of C$ 883). 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.

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

Airfare is below average for this route at the moment.
San José to Region of Ontario flights typically cost between C$ 805 and C$ 1,103 in December.
The cheapest round-trip price found within the last 5 days was C$ 583 on Porter Airlines (2 Dec-11 Dec).

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

Booking 41 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,American Airlines, andAir Canada 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
579 reviews
Check prices

Boarding

8.0

Crew

8.5

Food

6.8

Overall

7.7

Comfort

7.3

Entertainment

7.1

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
579 reviews
Air Transat
7.7
Good
579 reviews
Check prices

Boarding

8.0

Crew

8.5

Food

6.8

Overall

7.7

Comfort

7.3

Entertainment

7.1

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
7.1
Good
12,077 reviews
Air Transat
7.7
Good
579 reviews
Check prices

Boarding

8.0

Crew

8.5

Food

6.8

Overall

7.7

Comfort

7.3

Entertainment

7.1

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
11,649 reviews
Air Transat
7.7
Good
579 reviews
Check prices

Boarding

8.0

Crew

8.5

Food

6.8

Overall

7.7

Comfort

7.3

Entertainment

7.1

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
2,549 reviews
Air Transat
7.7
Good
579 reviews
Check prices

Boarding

8.0

Crew

8.5

Food

6.8

Overall

7.7

Comfort

7.3

Entertainment

7.1

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$ 886, United Airlines can have you in Region of Ontario from San José in 11h 50m. The distance from San José to Region of Ontario is about 3766 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$ 187 and Avianca from C$ 204 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 - Toronto Island or San José Juan Santamaria Intl - Montreal Pierre Elliott Trudeau Intl when deciding on the best route from San José to Region of Ontario.

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

    On average you can expect to pay C$ 701 for a flight from San José to Region of Ontario. The cheapest flight overall is C$ 323 while the most popular route, (San José Juan Santamaria Intl - Toronto Pearson Intl) is currently priced at C$ 568.

  • 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, November is the cheapest month in which you can book a flight from San José to Region of Ontario (average of C$ 604). Flying from San José to Region of Ontario in September is currently the most expensive (average of C$ 883). 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$ 234AverageC$ 713FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 501AverageC$ 917FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
AviancaCheapestC$ 523AverageC$ 820FlexibilityNo cancel feeOn-time71%
Search Avianca flights
Air TransatCheapestC$ 547AverageC$ 684FlexibilityNo cancel feeOn-time50%
Search Air Transat flights

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How does Cheapflights help users find flights from San José to Ontario?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ontario from San José today with Cheapflights!

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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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