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Cheap flights from San José to Ontario from C$ 292

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/6. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — YYZ
16 Apr — 23 Apr1
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
Explore the most affordable flight options available from San José to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 March 2026.

Mon 1/611:25 p.m.
SJO
-
YTZ
1 stop10h 35m
Air Transat
Sun 7/68:55 p.m.
YTZ
-
SJO
1 stop27h 10m
Air Transat
Deal found 16/3C$ 578
Mon 1/611:25 p.m.
SJO
-
YUL
Nonstop5h 45m
Air Transat
Mon 8/66:20 p.m.
YUL
-
SJO
Nonstop5h 45m
Air Transat
Deal found 11/3C$ 579
Mon 1/611:25 p.m.
SJO
-
YUL
Nonstop5h 45m
Air Transat
Fri 5/66:20 p.m.
YUL
-
SJO
Nonstop5h 45m
Air Transat
Deal found 11/3C$ 582
Thu 28/59:25 a.m.
SJO
-
YYZ
1 stop12h 05m
Multiple Airlines
Mon 1/63:40 p.m.
YYZ
-
SJO
1 stop8h 25m
Multiple Airlines
Deal found 14/3C$ 585
Wed 10/67:55 a.m.
SJO
-
YOW
2 stops24h 08m
United Airlines
Wed 17/65:20 p.m.
YOW
-
SJO
2 stops18h 51m
United Airlines
Deal found 13/3C$ 590
Thu 16/41:40 a.m.
SJO
-
YYZ
1 stop19h 50m
Avianca
Thu 23/48:55 a.m.
YYZ
-
SJO
1 stop17h 00m
Avianca
Deal found 14/3C$ 590
Fri 8/54:00 p.m.
SJO
-
YYZ
1 stop13h 20m
Multiple Airlines
Mon 25/54:00 p.m.
YYZ
-
SJO
1 stop8h 05m
Multiple Airlines
Deal found 16/3C$ 593
Thu 7/51:25 p.m.
SJO
-
YUL
2 stops19h 15m
United Airlines
Thu 14/56:35 p.m.
YUL
-
SJO
2 stops19h 46m
United Airlines
Deal found 13/3C$ 594
Thu 7/51:25 p.m.
SJO
-
YYZ
2 stops18h 29m
United Airlines
Thu 21/53:53 p.m.
YYZ
-
SJO
1 stop8h 46m
United Airlines
Deal found 13/3C$ 594
Wed 8/412:19 p.m.
SJO
-
YYZ
1 stop9h 01m
Multiple Airlines
Thu 16/47:05 p.m.
YYZ
-
SJO
Nonstop5h 30m
Multiple Airlines
Deal found 14/3C$ 596
Wed 6/51:50 a.m.
SJO
-
YYZ
1 stop19h 40m
Avianca
Mon 11/58:55 a.m.
YYZ
-
SJO
1 stop17h 00m
Avianca
Deal found 13/3C$ 597
Wed 3/63:10 p.m.
SJO
-
YYZ
1 stop7h 20m
Multiple Airlines
Sun 14/611:15 p.m.
YYZ
-
SJO
1 stop24h 50m
Multiple Airlines
Deal found 12/3C$ 598

Find flight deals from San José to Ontario

Keep the following information in mind while searching for San José to Ontario flight deals. Data was last updated 17 March 2026.

Round-trip from

C$ 578

One-way from

C$ 292

Popular in

March

Cheapest in

August

Average price

C$ 685

Good round-trip deal

C$ 563 or less

Good one-way deal

C$ 557 or less
Air Transat
  • Air Transat
  • 1/6-7/6
  • 2 total stops
  • 37h 45m total
  • San José to Ontario
Search Deals
United Airlines
  • United Airlines
  • 16/6
  • 2 total stops
  • 18h 56m total
  • San José to Ontario
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease (C$ 8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
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.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San José to 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, Cheapflights users made 629,999 searches. Data last updated 17 March 2026.
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 JoséMontreal

SJO - YUL

SJOYUL

San José Juan Santamaria Intl

Mon 1/6

12:30 a.m.-9:26 p.m.

2 stops18h 56m

Montreal Pierre Elliott Trudeau Intl

Fri 12/6

9:45 a.m.-10:11 a.m.

2 stops26h 26m

C$ 594
Quickest round-trip

San JoséToronto

SJO - YYZ

SJOYYZ

San José Juan Santamaria Intl

Thu 7/5

1:25 p.m.-9:54 a.m.

2 stops18h 29m

Toronto Pearson Intl

Thu 21/5

3:53 p.m.-10:39 p.m.

1 stop8h 46m

C$ 594

San JoséOttawa

SJO - YOW

SJOYOW

San José Juan Santamaria Intl

Wed 10/6

7:55 a.m.-10:03 a.m.

2 stops24h 08m

Ottawa

Wed 17/6

7:30 p.m.-10:11 a.m.

2 stops16h 41m

C$ 618

San JoséMontreal

SJO - YUL

SJOYUL

San José Juan Santamaria Intl

Tue 26/5

11:13 a.m.-10:40 a.m.

2 stops21h 27m

Montreal Pierre Elliott Trudeau Intl

Fri 5/6

9:45 a.m.-10:39 p.m.

2 stops14h 54m

C$ 623

San JoséToronto

SJO - YYZ

SJOYYZ

San José Juan Santamaria Intl

Wed 27/5

11:13 a.m.-10:44 p.m.

1 stop9h 31m

Toronto Pearson Intl

Sun 31/5

6:10 a.m.-10:39 p.m.

1 stop18h 29m

C$ 628

San JoséToronto

SJO - YYZ

SJOYYZ

San José Juan Santamaria Intl

Thu 7/5

1:25 p.m.-9:54 a.m.

2 stops18h 29m

Toronto Pearson Intl

Mon 11/5

7:43 p.m.-12:21 p.m.

2 stops18h 38m

C$ 656

San JoséToronto

SJO - YYZ

SJOYYZ

San José Juan Santamaria Intl

Thu 14/5

1:25 p.m.-2:24 p.m.

1 stop22h 59m

Toronto Pearson Intl

Thu 21/5

6:10 a.m.-10:39 p.m.

1 stop18h 29m

C$ 656

San JoséMontreal

SJO - YUL

SJOYUL

San José Juan Santamaria Intl

Sat 30/5

7:55 a.m.-10:40 a.m.

2 stops24h 45m

Montreal Pierre Elliott Trudeau Intl

Tue 2/6

9:15 a.m.-10:11 a.m.

2 stops26h 56m

C$ 696

San JoséMontreal

SJO - YUL

SJOYUL

San José Juan Santamaria Intl

Wed 27/5

12:30 a.m.-12:13 a.m.

2 stops21h 43m

Montreal Pierre Elliott Trudeau Intl

Sun 7/6

9:15 a.m.-10:11 a.m.

2 stops26h 56m

C$ 696

San JoséMontreal

SJO - YUL

SJOYUL

San José Juan Santamaria Intl

Sat 30/5

12:30 a.m.-9:26 p.m.

2 stops18h 56m

Montreal Pierre Elliott Trudeau Intl

Sat 6/6

6:35 p.m.-7:37 p.m.

2 stops27h 02m

C$ 696

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/3

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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$ 197). Flying from San José to Region of Ontario in June is currently the most expensive (average of C$ 470). 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?

Find hourly flight availability from San José to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 March 2026.

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

Explore weekly flight availability from San José to Ontario. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 17 March 2026.

The most flights from SJO to CAON are scheduled on a Tuesday (2 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?

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 17 March 2026.
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
521 reviews
Check prices

Crew

8.5

Food

6.8

Entertainment

7.0

Overall

7.7

Boarding

7.9

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Transat
7.7
Good
521 reviews
Air Transat
7.7
Good
521 reviews
Check prices

Crew

8.5

Food

6.8

Entertainment

7.0

Overall

7.7

Boarding

7.9

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
American Airlines
7.1
Good
11,466 reviews
Air Transat
7.7
Good
521 reviews
Check prices

Crew

8.5

Food

6.8

Entertainment

7.0

Overall

7.7

Boarding

7.9

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Canada
7.1
Good
10,811 reviews
Air Transat
7.7
Good
521 reviews
Check prices

Crew

8.5

Food

6.8

Entertainment

7.0

Overall

7.7

Boarding

7.9

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Avianca
6.5
Okay
2,499 reviews
Air Transat
7.7
Good
521 reviews
Check prices

Crew

8.5

Food

6.8

Entertainment

7.0

Overall

7.7

Boarding

7.9

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.

Related info for your journey

Find useful and relevant information for your journey from San José to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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$ 594, United Airlines can have you in Region of Ontario from San José in 18h 56m. The distance from San José to Region of Ontario is about 4065 km.

  • 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$ 160 on United Airlines. Other airlines that offer cheap prices include Air Canada from C$ 184 and Air Transat from C$ 201 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 cheapest flights from San José to Region of Ontario?

    On average you can expect to pay C$ 794 for a flight from San José to Region of Ontario. The cheapest flight overall is C$ 336 while the most popular route, (San José Juan Santamaria Intl - Toronto Pearson Intl) is currently priced at C$ 575.

  • 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$ 197). Flying from San José to Region of Ontario in June is currently the most expensive (average of C$ 470). 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

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Top 4 airlines flying from San José to Ontario

Discover the top 4 airlines that operate flights from San José to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 17 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 384AverageC$ 753FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
AviancaCheapestC$ 472AverageC$ 593FlexibilityNo cancel feeOn-time71%
Search Avianca flights
Air TransatCheapestC$ 537AverageC$ 623FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
American AirlinesCheapestC$ 649AverageC$ 869FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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!

Why should you use Cheapflights to find cheap flight tickets from San José to Ontario?

Cheapflights simply makes it quick and affordable to book flights from San José to Ontario by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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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