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Cheap flights from Ontario to San José from C$ 258

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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SJO
2 Jun — 9 Jun1
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 3 May 2026.

Mon 15/610:55 a.m.
YTZ
-
SJO
1 stop13h 10m
Air Transat
Mon 22/611:25 p.m.
SJO
-
YTZ
1 stop30h 30m
Air Transat
Deal found 30/4C$ 484
Mon 15/68:40 a.m.
YYZ
-
SJO
1 stop15h 25m
Air Transat
Mon 22/611:25 p.m.
SJO
-
YYZ
1 stop16h 15m
Air Transat
Deal found 30/4C$ 492
Thu 4/62:52 p.m.
YOW
-
SJO
2 stops21h 19m
United Airlines
Mon 8/612:30 a.m.
SJO
-
YOW
2 stops38h 37m
United Airlines
Deal found 30/4C$ 496
Wed 6/56:10 a.m.
YYZ
-
SJO
1 stop15h 27m
United Airlines
Fri 15/57:55 a.m.
SJO
-
YYZ
2 stops23h 59m
United Airlines
Deal found 29/4C$ 496
Fri 22/52:52 p.m.
YOW
-
SJO
2 stops30h 45m
United Airlines
Fri 29/512:30 a.m.
SJO
-
YOW
2 stops31h 33m
United Airlines
Deal found 30/4C$ 497
Fri 1/51:00 p.m.
YYZ
-
SJO
1 stop24h 55m
United Airlines
Fri 8/57:55 a.m.
SJO
-
YYZ
2 stops31h 01m
United Airlines
Deal found 28/4C$ 497
Fri 1/56:00 a.m.
YOW
-
SJO
2 stops15h 37m
United Airlines
Sat 9/51:00 p.m.
SJO
-
YOW
2 stops18h 11m
United Airlines
Deal found 28/4C$ 499
Sat 23/51:00 p.m.
YYZ
-
SJO
2 stops23h 11m
United Airlines
Fri 29/51:25 p.m.
SJO
-
YYZ
2 stops18h 29m
United Airlines
Deal found 28/4C$ 499
Sat 9/57:30 p.m.
YYZ
-
SJO
2 stops18h 51m
United Airlines
Mon 1/612:30 a.m.
SJO
-
YYZ
1 stop20h 14m
United Airlines
Deal found 2/5C$ 500
Mon 4/56:35 p.m.
YUL
-
SJO
2 stops19h 46m
United Airlines
Tue 12/57:55 a.m.
SJO
-
YUL
2 stops24h 45m
United Airlines
Deal found 29/4C$ 507
Fri 15/56:20 p.m.
YUL
-
SJO
Nonstop5h 45m
Air Transat
Mon 1/611:25 p.m.
SJO
-
YUL
Nonstop5h 45m
Air Transat
Deal found 2/5C$ 508
Thu 28/58:55 p.m.
YTZ
-
SJO
1 stop27h 10m
Air Transat
Mon 1/611:25 p.m.
SJO
-
YTZ
1 stop30h 30m
Air Transat
Deal found 29/4C$ 510

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 3 May 2026.

Round-trip from

C$ 484

One-way from

C$ 258

Popular in

December

Cheapest in

June

Average price

C$ 597

Good round-trip deal

C$ 675 or less

Good one-way deal

C$ 288 or less
Air Transat
  • Air Transat
  • 15/6-22/6
  • 2 total stops
  • 43h 40m total
  • Ontario to San José
Search Deals
Air Transat
  • Air Transat
  • 1/6
  • Nonstop
  • 5h 45m total
  • Ontario to San José
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 148 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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 3 May 2026.
Use the filters below to find and compare flights from Ontario to San José that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaSan José

YOW - SJO

YOWSJO

Ottawa

Fri 22/5

2:52 p.m.-7:37 p.m.

2 stops30h 45m

San José Juan Santamaria Intl

Wed 27/5

12:30 a.m.-11:54 p.m.

2 stops21h 24m

C$ 497

OttawaSan José

YOW - SJO

YOWSJO

Ottawa

Tue 26/5

6:25 a.m.-10:11 a.m.

2 stops29h 46m

San José Juan Santamaria Intl

Thu 28/5

11:13 a.m.-10:03 a.m.

2 stops20h 50m

C$ 499

TorontoSan José

YYZ - SJO

YYZSJO

Toronto Pearson Intl

Sat 30/5

6:10 a.m.-7:37 p.m.

1 stop15h 27m

San José Juan Santamaria Intl

Sun 7/6

12:30 a.m.-5:56 p.m.

2 stops15h 26m

C$ 499

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Tue 2/6

2:20 p.m.-10:11 a.m.

2 stops21h 51m

San José Juan Santamaria Intl

Mon 15/6

12:44 p.m.-7:45 p.m.

2 stops29h 01m

C$ 507

TorontoSan José

YYZ - SJO

YYZSJO

Toronto Pearson Intl

Mon 15/6

3:58 p.m.-9:43 p.m.

1 stop7h 45m

San José Juan Santamaria Intl

Thu 25/6

4:10 a.m.-2:28 p.m.

1 stop8h 18m

C$ 518

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Sun 24/5

2:20 p.m.-10:11 a.m.

2 stops21h 51m

San José Juan Santamaria Intl

Wed 3/6

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

2 stops21h 43m

C$ 535

OttawaSan José

YOW - SJO

YOWSJO

Ottawa

Thu 4/6

6:00 a.m.-10:39 p.m.

2 stops18h 39m

San José Juan Santamaria Intl

Tue 9/6

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

2 stops24h 08m

C$ 538

TorontoSan José

YYZ - SJO

YYZSJO

Toronto Pearson Intl

Sat 30/5

6:10 a.m.-7:37 p.m.

1 stop15h 27m

San José Juan Santamaria Intl

Sat 6/6

1:00 p.m.-11:59 p.m.

1 stop8h 59m

C$ 540

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Tue 26/5

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

2 stops26h 26m

San José Juan Santamaria Intl

Fri 29/5

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

2 stops18h 56m

C$ 554

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Sat 16/5

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

2 stops27h 02m

San José Juan Santamaria Intl

Fri 29/5

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

2 stops18h 56m

C$ 554

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/4

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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

To ensure you get the cheapest price possible for a flight from Region of Ontario to San José, you should look to book at least 36 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, September 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$ 1,402). 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 3 May 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to San José as you normally would.

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 15h 25m. Fly via Air Transat, United Airlines, or Air Canada to get the fastest option. Airlines will cover a distance of 3769 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$ 222. Users have also found prices from C$ 234 and C$ 235 on Air Transat and Avianca, respectively.

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

    While some choose either Toronto Pearson Intl - San José Juan Santamaria Intl or Toronto Island - San José Juan Santamaria Intl, Montreal Pierre Elliott Trudeau 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$ 579, our data shows the cheapest flight currently is C$ 241. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - San José Juan Santamaria Intl), you can expect to pay C$ 470 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, September 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$ 1,402). 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
Manuel Antonio
Alajuela
Jacó
Heredia
Dominical
Monteverde

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Top 6 airlines flying from Ontario to San José

Discover the top 6 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 3 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapestC$ 208AverageC$ 713FlexibilityNo cancel feeOn-time70%
Search Copa Airlines flights
Air TransatCheapestC$ 260AverageC$ 733FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapestC$ 269AverageC$ 955FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 284AverageC$ 605FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 297AverageC$ 574FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
AviancaCheapestC$ 370AverageC$ 513FlexibilityNo 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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