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Cheap flights from Ontario to San José from C$ 230

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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SJO
17 Jan — 24 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to San José

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to San José
Explore the most affordable flight options available from Ontario to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2025.

Wed 17/124:45 p.m.YUL - SJO
1 stop21h 11mUnited Airlines
Wed 24/122:05 p.m.SJO - YUL
1 stop22h 55mUnited Airlines
Deal found 16/12C$ 408
Tue 16/124:45 p.m.YUL - SJO
2 stops28h 54mUnited Airlines
Tue 23/122:05 p.m.SJO - YUL
1 stop30h 12mUnited Airlines
Deal found 16/12C$ 420
Wed 17/126:00 a.m.YUL - SJO
1 stop31h 56mUnited Airlines
Sat 20/122:30 p.m.SJO - YUL
1 stop28h 18mUnited Airlines
Deal found 16/12C$ 474
Tue 16/124:45 p.m.YUL - SJO
2 stops28h 54mUnited Airlines
Sat 20/122:30 p.m.SJO - YUL
1 stop28h 18mUnited Airlines
Deal found 16/12C$ 481
Tue 16/123:45 p.m.YYZ - SJO
1 stop22h 30mUnited Airlines
Tue 23/128:45 a.m.SJO - YYZ
1 stop12h 52mUnited Airlines
Deal found 16/12C$ 486
Wed 17/129:00 p.m.YYZ - SJO
2 stops17h 15mUnited Airlines
Wed 24/122:05 p.m.SJO - YYZ
1 stop8h 54mUnited Airlines
Deal found 17/12C$ 499
Wed 17/126:25 p.m.YUL - SJO
1 stop19h 31mUnited Airlines
Mon 29/126:30 a.m.SJO - YUL
1 stop9h 20mUnited Airlines
Deal found 16/12C$ 514
Wed 17/127:40 p.m.YYZ - SJO
2 stops23h 36mUnited Airlines
Fri 30/16:30 a.m.SJO - YYZ
1 stop30h 50mUnited Airlines
Deal found 16/12C$ 517
Wed 17/124:45 p.m.YUL - SJO
1 stop21h 11mUnited Airlines
Mon 22/122:20 p.m.SJO - YUL
2 stops22h 40mUnited Airlines
Deal found 16/12C$ 519
Thu 18/123:45 p.m.YYZ - SJO
1 stop29h 54mUnited Airlines
Wed 24/122:05 p.m.SJO - YYZ
1 stop30h 16mUnited Airlines
Deal found 17/12C$ 557
Wed 17/126:00 a.m.YUL - SJO
1 stop31h 56mUnited Airlines
Tue 30/1212:35 p.m.SJO - YUL
2 stops24h 25mUnited Airlines
Deal found 16/12C$ 565
Tue 16/123:45 p.m.YYZ - SJO
1 stop29h 54mUnited Airlines
Thu 29/16:30 a.m.SJO - YYZ
2 stops13h 54mUnited Airlines
Deal found 16/12C$ 566

Find flight deals from Ontario to San José

Keep the following information in mind while searching for Ontario to San José flight deals. Data was last updated 18 December 2025.

Round-trip from

C$ 400

One-way from

C$ 230

Popular in

December

Cheapest in

June

Average price

C$ 1,134

Good round-trip deal

C$ 512 or less

Good one-way deal

C$ 327 or less
Avianca
  • Avianca
  • 22/1-27/1
  • 2 total stops
  • 27h 30m total
  • Ontario to San José
Search Deals
8/1
  • 8/1
  • 1 total stop
  • 9h 10m total
  • Ontario to San José
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 181 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Ontario to San José Juan Santamaria Intl.
Search Deals
Price to beat on a one-way flight from Ontario to San José Juan Santamaria Intl.
Search Deals

Cheapflights Fare Finder

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

Fly from

Ontario

Fly to

San José

Route

Depart

Return

Price

OttawaSan José

YOW - SJO

YOWSJO

Ottawa

Wed 18/2

5:11 p.m.-12:56 p.m.

1 stop20h 45m

San José Juan Santamaria Intl

Wed 4/3

12:35 p.m.-10:26 a.m.

2 stops20h 51m

C$ 413

OttawaSan José

YOW - SJO

YOWSJO

Ottawa

Wed 25/2

5:11 p.m.-12:56 p.m.

1 stop20h 45m

San José Juan Santamaria Intl

Wed 4/3

12:35 p.m.-10:26 a.m.

2 stops20h 51m

C$ 415

OttawaSan José

YOW - SJO

YOWSJO

Ottawa

Mon 26/1

5:55 p.m.-1:15 p.m.

2 stops20h 20m

San José Juan Santamaria Intl

Fri 30/1

2:20 p.m.-5:12 p.m.

2 stops25h 52m

C$ 415

TorontoSan José

YYZ - SJO

YYZSJO

Toronto Pearson Intl

Mon 16/3

8:43 a.m.-12:15 p.m.

2 stops29h 32m

San José Juan Santamaria Intl

Tue 24/3

1:05 p.m.-2:01 p.m.

1 stop22h 56m

C$ 416

TorontoSan José

YYZ - SJO

YYZSJO

Toronto Pearson Intl

Tue 3/3

6:10 a.m.-6:16 p.m.

1 stop13h 06m

San José Juan Santamaria Intl

Tue 17/3

1:05 p.m.-7:45 p.m.

1 stop28h 40m

C$ 416

TorontoSan José

YYZ - SJO

YYZSJO

Toronto Pearson Intl

Mon 23/2

3:45 p.m.-1:15 p.m.

1 stop22h 30m

San José Juan Santamaria Intl

Wed 4/3

12:35 p.m.-9:58 a.m.

2 stops20h 23m

C$ 416

TorontoSan José

YYZ - SJO

YYZSJO

Toronto Pearson Intl

Wed 7/1

9:00 p.m.-12:56 p.m.

1 stop16h 56m

San José Juan Santamaria Intl

Mon 9/3

5:30 a.m.-9:18 p.m.

2 stops13h 48m

C$ 416

TorontoSan José

YYZ - SJO

YYZSJO

Toronto Pearson Intl

Mon 23/2

9:00 p.m.-6:16 p.m.

2 stops22h 16m

San José Juan Santamaria Intl

Mon 9/3

1:20 p.m.-9:58 a.m.

2 stops18h 38m

C$ 416

TorontoSan José

YYZ - SJO

YYZSJO

Toronto Pearson Intl

Mon 23/2

3:45 p.m.-1:15 p.m.

1 stop22h 30m

San José Juan Santamaria Intl

Thu 5/3

2:20 p.m.-9:58 a.m.

2 stops18h 38m

C$ 416

TorontoSan José

YYZ - SJO

YYZSJO

Toronto Pearson Intl

Fri 9/1

3:30 p.m.-1:15 p.m.

2 stops22h 45m

San José Juan Santamaria Intl

Mon 9/3

11:35 a.m.-9:58 a.m.

2 stops20h 23m

C$ 416

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/12

Showing 1-10 of 60 results
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Best time to book a flight from Ontario to San José

Have a flexible travel schedule? Discover the best time to fly to San José from Ontario 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 Ontario to San José

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

Currently, November is the cheapest month in which you can book a flight from Region of Ontario to San José (average of C$ 211). Flying from Region of Ontario to San José in August is currently the most expensive (average of C$ 438). 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 ON to SJO?

Find hourly flight availability from Ontario to San José. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 December 2025.

One of the essential ways to save on airfare from Region of Ontario to San José is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 17% on airfare.

What is the cheapest day to fly from Region of Ontario to San José?

Use this chart to determine the cheapest time to fly round-trip from Ontario to San José. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Region of Ontario to San José flight should consider departing on Sunday at noon when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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

Related info for your journey

Find useful and relevant information for your journey from Ontario to San José. 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 into for flights to San José from Ontario?

    San José Juan Santamaria Intl (SJO), located 14.1 km from the city centre, is the airport you fly into when you book flights from Ontario to San José.

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

    There are many flights that can get you from Region of Ontario to San José in 16h 10m. Fly via United Airlines, Air Canada, or Air Transat to get the fastest option. Airlines will cover a distance of 3766 km. Both multi-stop and direct flights can be found to your destination and back.

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

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as C$ 225. Users have also found prices from C$ 236 and C$ 238 on Avianca and Air Transat, respectively.

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

    While some choose either Montreal Pierre Elliott Trudeau Intl - San José Juan Santamaria Intl or Toronto Island - San José Juan Santamaria Intl, Toronto Pearson Intl - San José Juan Santamaria Intl is the most popular route from Region of Ontario to San José.

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

    While on average a flight from Region of Ontario to San José is generally C$ 634, our data shows the cheapest flight currently is C$ 238. When looking at the most popular route, (Toronto Pearson Intl - San José Juan Santamaria Intl), you can expect to pay C$ 416 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to San José 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 Region of Ontario to San José?

    Currently, November is the cheapest month in which you can book a flight from Region of Ontario to San José (average of C$ 211). Flying from Region of Ontario to San José in August is currently the most expensive (average of C$ 438). 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

Travelling to a place near San José?

Book flights to San José if you plan to visit one of these locations
Alajuela
Jacó
Heredia
Dominical
Manuel Antonio
Monteverde

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Alternative routes for Ontario to San José

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Ontario to San José

Discover the top 7 airlines that operate flights from Ontario to San José. 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 18 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 275AverageC$ 757FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
American AirlinesCheapestC$ 289AverageC$ 619FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Copa AirlinesCheapestC$ 329AverageC$ 702FlexibilityNo cancel feeOn-time70%
Search Copa Airlines flights
United AirlinesCheapestC$ 350AverageC$ 620FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 359AverageC$ 1,233FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 362AverageC$ 690FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
AviancaCheapestC$ 398AverageC$ 529FlexibilityNo cancel feeOn-time71%
Search Avianca 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 Ontario to San José?

Cheapflights makes it easy to find Ontario to San José flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ontario to San José.

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

Yes, we can. To see specific flights from Ontario to San José with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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