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Cheap flights from San José to Ontario from C$ 271

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 19/8. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — YYZ
19 May — 26 May1
1 adult

Cheap 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 14 May 2025.

Round-trip from

C$ 510

One-way from

C$ 271

Popular in

July

Cheapest in

March

Average price

C$ 645

Good round-trip deal

C$ 759 or less

Good one-way deal

C$ 512 or less
28/5-6/6
  • 28/5-6/6
  • 2 total stops
  • 35h 49m total
  • San José to Ontario
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Avianca
  • Avianca
  • 19/8
  • 1 total stop
  • 7h 24m total
  • San José to Ontario
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Highest demand for flights based on searches. 11% potential increase in price (C$ 122 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 29 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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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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Find flight deals from San José to Ontario

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 14 May 2025.

Mon 2/65:05 a.m.SJO - YYZ
1 stop8h 05mAvianca
Thu 5/61:55 a.m.YYZ - SJO
Nonstop11h 20mAvianca
Deal found 14/5C$ 508
Wed 28/511:32 a.m.SJO - YYZ
1 stop9h 12mMultiple Airlines
Fri 6/69:50 a.m.YYZ - SJO
1 stop26h 37mMultiple Airlines
Deal found 14/5C$ 510
Wed 18/611:31 a.m.SJO - YUL
1 stop24h 49mMultiple Airlines
Tue 24/66:45 a.m.YUL - SJO
2 stops29h 51mMultiple Airlines
Deal found 14/5C$ 564
Thu 25/91:40 a.m.SJO - YUL
1 stop18h 25mAvianca
Mon 29/911:25 p.m.YUL - SJO
1 stop11h 55mAvianca
Deal found 14/5C$ 566
Sun 25/51:00 p.m.SJO - YYZ
1 stop18h 58mAir Canada
Sat 31/57:25 p.m.YYZ - SJO
Nonstop5h 25mAir Canada
Deal found 14/5C$ 599
Wed 28/511:32 a.m.SJO - YTZ
2 stops24h 08mMultiple Airlines
Sat 7/68:50 a.m.YTZ - SJO
3 stops27h 37mMultiple Airlines
Deal found 14/5C$ 602
Tue 13/52:29 p.m.SJO - YYZ
1 stop8h 44mCopa Airlines
Tue 20/59:00 a.m.YYZ - SJO
1 stop29h 55mCopa Airlines
Deal found 12/5C$ 612
Sat 7/67:55 a.m.SJO - YTZ
1 stop22h 12mAir Canada
Fri 13/68:25 a.m.YTZ - SJO
1 stop14h 00mAir Canada
Deal found 12/5C$ 626
Fri 31/1012:15 a.m.SJO - YUL
Nonstop5h 40mAir Transat
Fri 7/116:55 p.m.YUL - SJO
Nonstop6h 00mAir Transat
Deal found 13/5C$ 651
Wed 28/56:03 a.m.SJO - YYZ
1 stop15h 48mAmerican Airlines
Mon 2/66:00 a.m.YYZ - SJO
1 stop14h 35mAmerican Airlines
Deal found 14/5C$ 655
Mon 2/611:59 p.m.SJO - YUL
1 stop12h 50mAmerican Airlines
Wed 11/67:50 a.m.YUL - SJO
2 stops14h 19mAmerican Airlines
Deal found 14/5C$ 666
Thu 15/57:55 a.m.SJO - YYZ
1 stop28h 15mUnited Airlines
Thu 22/53:59 p.m.YYZ - SJO
1 stop8h 40mUnited Airlines
Deal found 14/5C$ 666

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 14 May 2025.
Use the filters below to find and compare flights from San José to Ontario that are best for you.

Fly from

San José

Fly to

Ontario

Route

Depart

Return

Price

San JoséToronto

SJO - YYZ

SJOYYZ

San José Juan Santamaria Intl

Wed 28/5

11:32 a.m.-10:44 p.m.

1 stop9h 12m

Toronto Pearson Intl

Wed 18/6

11:50 p.m.-9:20 a.m.

1 stop11h 30m

C$ 510

San JoséToronto

SJO - YYZ

SJOYYZ

San José Juan Santamaria Intl

Mon 4/8

7:45 p.m.-6:40 a.m.

Nonstop8h 55m

Toronto Pearson Intl

Sat 9/8

7:55 a.m.-1:30 p.m.

Nonstop7h 35m

C$ 518

San JoséMontreal

SJO - YUL

SJOYUL

San José Juan Santamaria Intl

Wed 18/6

11:31 a.m.-2:20 p.m.

1 stop24h 49m

Montreal Pierre Elliott Trudeau Intl

Tue 24/6

6:45 a.m.-10:36 a.m.

2 stops29h 51m

C$ 564

San JoséMontreal

SJO - YUL

SJOYUL

San José Juan Santamaria Intl

Thu 25/9

1:40 a.m.-10:05 p.m.

1 stop18h 25m

Montreal Pierre Elliott Trudeau Intl

Mon 29/9

11:25 p.m.-9:20 a.m.

1 stop11h 55m

C$ 566

San JoséToronto

SJO - YYZ

SJOYYZ

San José Juan Santamaria Intl

Sun 25/5

1:00 p.m.-9:58 a.m.

1 stop18h 58m

Toronto Pearson Intl

Sat 31/5

7:25 p.m.-10:50 p.m.

Nonstop5h 25m

C$ 599

San JoséToronto

SJO - YTZ

SJOYTZ

San José Juan Santamaria Intl

Wed 28/5

11:32 a.m.-1:40 p.m.

2 stops24h 08m

Toronto Island

Sat 7/6

8:50 a.m.-10:27 a.m.

3 stops27h 37m

C$ 602

San JoséToronto

SJO - YTZ

SJOYTZ

San José Juan Santamaria Intl

Sat 7/6

7:55 a.m.-8:07 a.m.

1 stop22h 12m

Toronto Island

Fri 13/6

8:25 a.m.-8:25 p.m.

1 stop14h 00m

C$ 626

San JoséMontreal

SJO - YUL

SJOYUL

San José Juan Santamaria Intl

Fri 31/10

12:15 a.m.-7:55 a.m.

Nonstop5h 40m

Montreal Pierre Elliott Trudeau Intl

Fri 7/11

6:55 p.m.-11:55 p.m.

Nonstop6h 00m

C$ 651

San JoséToronto

SJO - YYZ

SJOYYZ

San José Juan Santamaria Intl

Wed 28/5

6:03 a.m.-11:51 p.m.

1 stop15h 48m

Toronto Pearson Intl

Sat 7/6

6:00 a.m.-8:09 p.m.

1 stop16h 09m

C$ 655

San JoséMontreal

SJO - YUL

SJOYUL

San José Juan Santamaria Intl

Mon 2/6

2:10 p.m.-12:21 p.m.

2 stops20h 11m

Montreal Pierre Elliott Trudeau Intl

Fri 13/6

7:00 a.m.-12:55 p.m.

1 stop7h 55m

C$ 666

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/5

Showing 1-10 of 40 results
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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, San José Province to Region of Ontario?

Currently, January is the cheapest month in which you can book a flight from San José, San José Province to Region of Ontario (average of C$ 167). Flying from San José, San José Province to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 14 May 2025.

When flying from San José, San José Province 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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

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 14 May 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and Air Transat from San José to Ontario. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Air Transat
7.8
Good
387 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Copa Airlines
7.6
Good
1,423 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
SWISS
7.5
Good
1,595 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    The cheapest airline one-way is Avianca, with whom users have recently found tickets for as low as C$ 271. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from San José, San José Province to Region of Ontario for a low price.

  • What are the most popular routes from San José, San José Province 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, San José Province to Region of Ontario.

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

    On average you can expect to pay C$ 806 for a flight from San José, San José Province to Region of Ontario. The cheapest flight overall is C$ 355 while the most popular route, (San José Juan Santamaria Intl - Toronto Pearson Intl) is currently priced at C$ 485.

  • 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, San José Province to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from San José, San José Province to Region of Ontario (average of C$ 167). Flying from San José, San José Province to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 14 May 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 360AverageC$ 932FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
AviancaCheapestC$ 557AverageC$ 768FlexibilityNo cancel feeOn-time71%
Search Avianca flights
Air TransatCheapestC$ 632AverageC$ 869FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
American AirlinesCheapestC$ 782AverageC$ 886FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

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

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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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