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Cheap flights from Ontario to San José from C$ 285

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 23/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SJO
18 Jul — 25 Jul1
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 June 2026.

Thu 10/912:00 p.m.
YOW
-
SJO
2 stops13h 40m
Avianca
Fri 18/95:05 a.m.
SJO
-
YOW
2 stops14h 10m
Avianca
Deal found 16/6C$ 520
Fri 19/65:25 p.m.
YOW
-
SJO
2 stops28h 12m
United Airlines
Thu 25/612:30 a.m.
SJO
-
YOW
2 stops21h 24m
United Airlines
Deal found 14/6C$ 525
Fri 2/1011:00 p.m.
YUL
-
SJO
1 stop11h 50m
Avianca
Fri 9/101:50 a.m.
SJO
-
YUL
1 stop17h 45m
Avianca
Deal found 15/6C$ 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 17/6C$ 541
Tue 25/811:00 p.m.
YUL
-
SJO
1 stop18h 25m
Avianca
Tue 22/99:25 a.m.
SJO
-
YUL
1 stop10h 10m
Avianca
Deal found 14/6C$ 543
Mon 15/68:35 a.m.
YUL
-
SJO
1 stop25h 46m
Copa Airlines
Mon 29/61:37 p.m.
SJO
-
YUL
1 stop9h 03m
Copa Airlines
Deal found 14/6C$ 544
Thu 24/911:00 p.m.
YUL
-
SJO
1 stop11h 50m
Avianca
Mon 28/91:50 a.m.
SJO
-
YUL
1 stop17h 45m
Avianca
Deal found 15/6C$ 546
Sat 28/1110:20 p.m.
YUL
-
SJO
1 stop11h 30m
Avianca
Sat 19/127:50 p.m.
SJO
-
YUL
1 stop16h 50m
Avianca
Deal found 18/6C$ 556
Sun 1/1110:00 p.m.
YUL
-
SJO
1 stop11h 50m
Avianca
Sat 19/128:05 p.m.
SJO
-
YUL
1 stop16h 35m
Avianca
Deal found 16/6C$ 557
Mon 24/84:15 p.m.
YUL
-
SJO
1 stop18h 30m
Avianca
Sun 20/91:40 a.m.
SJO
-
YUL
1 stop17h 55m
Avianca
Deal found 14/6C$ 558
Wed 9/911:00 p.m.
YUL
-
SJO
1 stop11h 50m
Avianca
Wed 16/99:25 a.m.
SJO
-
YUL
1 stop10h 10m
Avianca
Deal found 17/6C$ 563
Sat 24/1011:00 p.m.
YUL
-
SJO
1 stop18h 20m
Avianca
Sat 31/109:45 a.m.
SJO
-
YUL
1 stop10h 00m
Avianca
Deal found 18/6C$ 567

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 June 2026.

Round-trip from

C$ 520

One-way from

C$ 285

Popular in

December

Cheapest in

September

Average price

C$ 621

Good round-trip deal

C$ 664 or less

Good one-way deal

C$ 313 or less
Avianca
  • Avianca
  • 10/9-18/9
  • 4 total stops
  • 27h 50m total
  • Ontario to San José
Search Deals
United Airlines
  • United Airlines
  • 23/6
  • 2 total stops
  • 21h 26m total
  • Ontario to San José
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 86 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 18 June 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 10/9

12:00 p.m.-11:45 a.m.

3 stops25h 45m

San José Juan Santamaria Intl

Fri 18/9

5:05 a.m.-11:15 a.m.

2 stops28h 10m

C$ 581

OttawaSan José

YOW - SJO

YOWSJO

Ottawa

Wed 24/6

10:00 a.m.-7:37 p.m.

2 stops35h 37m

San José Juan Santamaria Intl

Thu 2/7

12:44 p.m.-9:11 a.m.

1 stop18h 27m

C$ 613

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Mon 6/7

8:35 a.m.-7:12 a.m.

1 stop24h 37m

San José Juan Santamaria Intl

Sat 11/7

1:37 p.m.-12:40 a.m.

1 stop9h 03m

C$ 671

TorontoSan José

YYZ - SJO

YYZSJO

Toronto Pearson Intl

Mon 26/10

8:30 a.m.-7:04 a.m.

1 stop24h 34m

San José Juan Santamaria Intl

Mon 2/11

8:44 a.m.-12:09 a.m.

1 stop14h 25m

C$ 673

WindsorSan José

YQG - SJO

YQGSJO

Windsor

Mon 26/10

9:45 a.m.-9:05 p.m.

1 stop13h 20m

San José Juan Santamaria Intl

Thu 29/10

7:35 a.m.-7:14 p.m.

1 stop9h 39m

C$ 696

TorontoSan José

YYZ - SJO

YYZSJO

Toronto Pearson Intl

Wed 9/9

6:10 a.m.-12:21 p.m.

1 stop8h 11m

San José Juan Santamaria Intl

Wed 16/9

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

1 stop22h 59m

C$ 697

OttawaSan José

YOW - SJO

YOWSJO

Ottawa

Mon 31/8

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

1 stop16h 14m

San José Juan Santamaria Intl

Tue 8/9

1:25 p.m.-5:16 p.m.

2 stops25h 51m

C$ 700

TorontoSan José

YYZ - SJO

YYZSJO

Toronto Pearson Intl

Wed 28/10

8:50 a.m.-7:39 p.m.

2 stops12h 49m

San José Juan Santamaria Intl

Fri 30/10

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

2 stops16h 00m

C$ 700

TorontoSan José

YYZ - SJO

YYZSJO

Toronto Pearson Intl

Thu 26/11

7:40 p.m.-11:25 a.m.

2 stops16h 45m

San José Juan Santamaria Intl

Sun 6/12

8:45 a.m.-10:18 p.m.

1 stop12h 33m

C$ 700

TorontoSan José

YYZ - SJO

YYZSJO

Toronto Pearson Intl

Mon 19/10

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

2 stops18h 38m

San José Juan Santamaria Intl

Tue 27/10

7:45 a.m.-10:18 p.m.

1 stop12h 33m

C$ 700

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/6

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$ 217). Flying from Region of Ontario to San José in December is currently the most expensive (average of C$ 1,174). 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 June 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?

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.

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 24h 37m. Fly via Avianca, United Airlines, 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 Avianca. According to our data, you can fly for as low as C$ 228. Users have also found prices from C$ 229 and C$ 242 on United Airlines and Air Transat, 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 most reliable airlines from Region of Ontario to San José?

    The top 3 most reliable airlines when flying from Region of Ontario to San José are Air Transat (100%), Air Canada Rouge (50%) and Air Canada (43%).

  • 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$ 618, our data shows the cheapest flight currently is C$ 266. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - San José Juan Santamaria Intl), you can expect to pay C$ 544 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$ 217). Flying from Region of Ontario to San José in December is currently the most expensive (average of C$ 1,174). 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
Manuel Antonio
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 18 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapestC$ 214AverageC$ 854FlexibilityNo cancel feeOn-time70%
Search Copa Airlines flights
Air TransatCheapestC$ 262AverageC$ 761FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapestC$ 278AverageC$ 978FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 294AverageC$ 629FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 300AverageC$ 609FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Porter AirlinesCheapestC$ 314AverageC$ 590FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
AviancaCheapestC$ 373AverageC$ 596FlexibilityNo 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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