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Cheap flights from Ontario to San José from C$ 313

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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SJO
3 Sep — 10 Sep1
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 4 August 2026.

Mon 31/82:00 p.m.
YOW
-
SJO
2 stops11h 40m
Avianca
Wed 30/95:05 a.m.
SJO
-
YOW
2 stops14h 15m
Avianca
Deal found 31/7C$ 522
Mon 12/1011:00 p.m.
YUL
-
SJO
1 stop11h 50m
Avianca
Sun 25/101:45 a.m.
SJO
-
YUL
1 stop17h 50m
Avianca
Deal found 30/7C$ 536
Sat 14/1110:20 p.m.
YUL
-
SJO
1 stop11h 30m
Avianca
Sat 21/119:45 a.m.
SJO
-
YUL
1 stop10h 00m
Avianca
Deal found 3/8C$ 538
Mon 16/1110:00 p.m.
YUL
-
SJO
1 stop11h 50m
Avianca
Sat 21/111:45 a.m.
SJO
-
YUL
1 stop17h 50m
Avianca
Deal found 2/8C$ 540
Wed 25/1110:00 p.m.
YUL
-
SJO
1 stop18h 20m
Avianca
Fri 4/125:00 a.m.
SJO
-
YUL
1 stop7h 40m
Avianca
Deal found 2/8C$ 542
Tue 8/98:35 a.m.
YUL
-
SJO
1 stop24h 35m
Copa Airlines
Tue 15/910:03 a.m.
SJO
-
YUL
1 stop12h 37m
Copa Airlines
Deal found 2/8C$ 543
Tue 24/1110:20 p.m.
YUL
-
SJO
1 stop18h 00m
Avianca
Fri 4/125:00 a.m.
SJO
-
YUL
1 stop7h 40m
Avianca
Deal found 31/7C$ 550
Sun 15/1110:00 p.m.
YUL
-
SJO
1 stop11h 50m
Avianca
Sat 5/128:05 p.m.
SJO
-
YUL
1 stop16h 35m
Avianca
Deal found 30/7C$ 554
Sat 5/98:35 a.m.
YUL
-
SJO
1 stop24h 35m
Copa Airlines
Tue 15/910:03 a.m.
SJO
-
YUL
1 stop12h 37m
Copa Airlines
Deal found 29/7C$ 556
Fri 4/96:20 p.m.
YUL
-
SJO
Nonstop5h 45m
Air Transat
Fri 11/911:25 p.m.
SJO
-
YUL
Nonstop5h 45m
Air Transat
Deal found 30/7C$ 557
Tue 27/102:00 p.m.
YOW
-
SJO
2 stops11h 40m
Avianca
Tue 17/115:00 a.m.
SJO
-
YOW
2 stops11h 20m
Avianca
Deal found 3/8C$ 557
Mon 7/129:10 a.m.
YOW
-
SJO
2 stops15h 30m
Avianca
Fri 30/45:05 a.m.
SJO
-
YOW
2 stops14h 11m
Avianca
Deal found 2/8C$ 571

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 4 August 2026.

Round-trip from

C$ 522

One-way from

C$ 313

Popular in

December

Cheapest in

September

Average price

C$ 719

Good round-trip deal

C$ 574 or less

Good one-way deal

C$ 349 or less
Avianca
  • Avianca
  • 31/8-30/9
  • 4 total stops
  • 25h 55m total
  • Ontario to San José
Search Deals
Air Transat
  • Air Transat
  • 11/9
  • Nonstop
  • 5h 45m total
  • Ontario to San José
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 4 August 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

Thu 28/1

12:10 p.m.-11:45 a.m.

3 stops24h 35m

San José Juan Santamaria Intl

Thu 11/2

5:00 a.m.-1:40 a.m.

2 stops19h 40m

C$ 573

OttawaSan José

YOW - SJO

YOWSJO

Ottawa

Sat 29/8

6:05 a.m.-8:19 p.m.

1 stop16h 14m

San José Juan Santamaria Intl

Sat 5/9

1:25 p.m.-9:35 p.m.

2 stops30h 10m

C$ 604

OttawaSan José

YOW - SJO

YOWSJO

Ottawa

Sat 31/10

6:15 a.m.-7:39 p.m.

2 stops15h 24m

San José Juan Santamaria Intl

Sat 7/11

2:15 p.m.-7:27 p.m.

1 stop28h 12m

C$ 604

OttawaSan José

YOW - SJO

YOWSJO

Ottawa

Sat 23/1

6:15 a.m.-8:39 p.m.

2 stops15h 24m

San José Juan Santamaria Intl

Fri 5/2

8:45 a.m.-2:12 p.m.

2 stops28h 27m

C$ 605

OttawaSan José

YOW - SJO

YOWSJO

Ottawa

Fri 29/1

6:15 a.m.-1:22 p.m.

2 stops32h 07m

San José Juan Santamaria Intl

Fri 5/2

2:05 p.m.-2:12 p.m.

1 stop23h 07m

C$ 605

OttawaSan José

YOW - SJO

YOWSJO

Ottawa

Fri 15/1

6:15 a.m.-1:22 p.m.

2 stops32h 07m

San José Juan Santamaria Intl

Sun 24/1

1:15 a.m.-9:31 p.m.

2 stops19h 16m

C$ 605

OttawaSan José

YOW - SJO

YOWSJO

Ottawa

Tue 15/9

10:10 p.m.-11:40 p.m.

2 stops27h 30m

San José Juan Santamaria Intl

Tue 22/9

5:05 a.m.-7:10 p.m.

2 stops12h 05m

C$ 625

Thunder BaySan José

YQT - SJO

YQTSJO

Thunder Bay

Sun 22/11

5:15 p.m.-10:30 p.m.

1 stop30h 15m

San José Juan Santamaria Intl

Wed 25/11

9:20 a.m.-10:11 a.m.

2 stops47h 51m

C$ 636

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Tue 1/12

6:40 p.m.-11:50 p.m.

Nonstop6h 10m

San José Juan Santamaria Intl

Thu 10/12

8:45 a.m.-6:48 a.m.

2 stops21h 03m

C$ 653
Quickest round-trip

WindsorSan José

YQG - SJO

YQGSJO

Windsor

Sun 25/10

10:35 a.m.-10:30 p.m.

1 stop13h 55m

San José Juan Santamaria Intl

Tue 27/10

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

1 stop9h 00m

C$ 660

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

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

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$ 574). Flying from Region of Ontario to San José in December is currently the most expensive (average of C$ 941). 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 4 August 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?

Airfare is typical for this route at the moment.
Region of Ontario to San José flights typically cost between C$ 632 and C$ 988 in August.
The cheapest round-trip price found within the last 5 days was C$ 671 on Air Canada (21 Aug-31 Oct).

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 75 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.

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 26h 29m. Fly via United Airlines, Air Canada, or Copa Airlines to get the fastest option. Airlines will cover a distance of 4065 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$ 229. Users have also found prices from C$ 242 and C$ 247 on Air Transat and Avianca, 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$ 565, our data shows the cheapest flight currently is C$ 317. When looking at the most popular route, (Toronto Pearson Intl - San José Juan Santamaria Intl), you can expect to pay C$ 531 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$ 574). Flying from Region of Ontario to San José in December is currently the most expensive (average of C$ 941). 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 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 4 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapestC$ 199AverageC$ 694FlexibilityNo cancel feeOn-time70%
Search Copa Airlines flights
Air TransatCheapestC$ 263AverageC$ 743FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapestC$ 277AverageC$ 935FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 294AverageC$ 625FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 300AverageC$ 614FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Porter AirlinesCheapestC$ 314AverageC$ 573FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
AviancaCheapestC$ 371AverageC$ 674FlexibilityNo 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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