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Cheap flights from Ontario to San José from C$ 256

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 21/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SJO
16 Apr — 23 Apr1
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 17 March 2026.

Tue 14/48:55 a.m.
YYZ
-
SJO
1 stop17h 00m
Avianca
Wed 22/49:25 a.m.
SJO
-
YYZ
1 stop12h 05m
Avianca
Deal found 15/3C$ 485
Tue 19/58:55 a.m.
YYZ
-
SJO
1 stop17h 00m
Avianca
Tue 26/54:00 p.m.
SJO
-
YYZ
1 stop13h 20m
Avianca
Deal found 15/3C$ 492
Thu 30/48:55 a.m.
YYZ
-
SJO
1 stop17h 00m
Avianca
Thu 7/54:00 p.m.
SJO
-
YYZ
1 stop13h 20m
Avianca
Deal found 15/3C$ 493
Mon 1/66:20 p.m.
YUL
-
SJO
Nonstop5h 45m
Air Transat
Mon 8/611:25 p.m.
SJO
-
YUL
Nonstop5h 45m
Air Transat
Deal found 14/3C$ 494
Mon 8/66:20 p.m.
YUL
-
SJO
Nonstop5h 45m
Air Transat
Mon 15/611:25 p.m.
SJO
-
YUL
Nonstop5h 45m
Air Transat
Deal found 12/3C$ 496
Sun 24/58:55 a.m.
YYZ
-
SJO
1 stop17h 00m
Avianca
Fri 29/54:00 p.m.
SJO
-
YYZ
1 stop13h 20m
Avianca
Deal found 15/3C$ 496
Fri 22/54:35 p.m.
YUL
-
SJO
Nonstop6h 00m
Air Canada
Mon 8/67:40 a.m.
SJO
-
YUL
Nonstop5h 55m
Air Canada
Deal found 16/3C$ 498
Sat 16/58:55 a.m.
YYZ
-
SJO
1 stop17h 00m
Avianca
Thu 11/69:40 a.m.
SJO
-
YYZ
1 stop12h 50m
Avianca
Deal found 13/3C$ 498
Wed 15/48:55 a.m.
YYZ
-
SJO
1 stop17h 00m
Avianca
Wed 22/49:25 a.m.
SJO
-
YYZ
1 stop12h 05m
Avianca
Deal found 16/3C$ 501
Fri 8/56:10 a.m.
YUL
-
SJO
1 stop31h 45m
United Airlines
Sat 23/511:13 a.m.
SJO
-
YUL
2 stops21h 27m
United Airlines
Deal found 12/3C$ 502
Sat 2/56:25 a.m.
YOW
-
SJO
2 stops31h 56m
United Airlines
Sun 10/57:55 a.m.
SJO
-
YOW
2 stops28h 04m
United Airlines
Deal found 12/3C$ 502
Fri 1/51:00 p.m.
YYZ
-
SJO
1 stop24h 55m
United Airlines
Thu 7/51:25 p.m.
SJO
-
YYZ
2 stops18h 29m
United Airlines
Deal found 12/3C$ 502

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 17 March 2026.

Round-trip from

C$ 485

One-way from

C$ 256

Popular in

December

Cheapest in

June

Average price

C$ 759

Good round-trip deal

C$ 597 or less

Good one-way deal

C$ 285 or less
Avianca
  • Avianca
  • 14/4-22/4
  • 2 total stops
  • 30h 20m total
  • Ontario to San José
Search Deals
Avianca
  • Avianca
  • 21/4
  • 1 total stop
  • 11h 50m total
  • Ontario to San José
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 154 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 17 March 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

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Thu 14/5

9:45 a.m.-12:21 p.m.

2 stops28h 36m

San José Juan Santamaria Intl

Sat 23/5

1:25 p.m.-10:40 a.m.

2 stops19h 15m

C$ 502

OttawaSan José

YOW - SJO

YOWSJO

Ottawa

Sat 2/5

6:25 a.m.-12:21 p.m.

2 stops31h 56m

San José Juan Santamaria Intl

Sun 10/5

7:55 a.m.-1:59 p.m.

2 stops28h 04m

C$ 502

TorontoSan José

YYZ - SJO

YYZSJO

Toronto Pearson Intl

Tue 26/5

2:30 p.m.-10:11 a.m.

2 stops21h 41m

San José Juan Santamaria Intl

Sat 30/5

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

2 stops15h 26m

C$ 502

OttawaSan José

YOW - SJO

YOWSJO

Ottawa

Fri 1/5

10:00 a.m.-12:21 p.m.

2 stops28h 21m

San José Juan Santamaria Intl

Thu 7/5

1:25 p.m.-10:03 a.m.

2 stops18h 38m

C$ 518

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Tue 9/6

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

2 stops26h 26m

San José Juan Santamaria Intl

Fri 19/6

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

2 stops18h 56m

C$ 519

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Fri 8/5

6:35 p.m.-12:21 p.m.

2 stops19h 46m

San José Juan Santamaria Intl

Fri 15/5

1:25 p.m.-9:26 p.m.

2 stops30h 01m

C$ 520
Quickest round-trip

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Fri 29/5

6:20 p.m.-10:05 p.m.

Nonstop5h 45m

San José Juan Santamaria Intl

Fri 5/6

11:25 p.m.-7:10 a.m.

Nonstop5h 45m

C$ 524

OttawaSan José

YOW - SJO

YOWSJO

Ottawa

Mon 25/5

5:50 p.m.-10:11 a.m.

2 stops18h 21m

San José Juan Santamaria Intl

Thu 28/5

12:44 p.m.-6:48 p.m.

2 stops28h 04m

C$ 545

TorontoSan José

YYZ - SJO

YYZSJO

Toronto Pearson Intl

Mon 4/5

3:53 p.m.-12:21 p.m.

1 stop22h 28m

San José Juan Santamaria Intl

Sun 10/5

7:55 a.m.-11:49 a.m.

2 stops25h 54m

C$ 546

OttawaSan José

YOW - SJO

YOWSJO

Ottawa

Sat 9/5

6:25 a.m.-12:21 p.m.

2 stops31h 56m

San José Juan Santamaria Intl

Fri 22/5

12:30 a.m.-10:03 a.m.

2 stops31h 33m

C$ 597

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/3

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, November is the cheapest month in which you can book a flight from Region of Ontario to San José (average of C$ 223). Flying from Region of Ontario to San José in August is currently the most expensive (average of C$ 434). 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 17 March 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.

Weekly flight availability from Region of Ontario to San José

Explore weekly flight availability from Ontario to San José. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 17 March 2026.

The most flights from CAON to SJO are scheduled on a Tuesday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

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 5h 45m. Fly via United Airlines, Air Transat, or Air Canada 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$ 224. Users have also found prices from C$ 234 and C$ 236 on Avianca 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 cheapest flights from Region of Ontario to San José?

    While on average a flight from Region of Ontario to San José is generally C$ 581, our data shows the cheapest flight currently is C$ 253. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - San José Juan Santamaria Intl), you can expect to pay C$ 494 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$ 223). Flying from Region of Ontario to San José in August is currently the most expensive (average of C$ 434). 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 17 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapestC$ 229AverageC$ 660FlexibilityNo cancel feeOn-time70%
Search Copa Airlines flights
Air TransatCheapestC$ 249AverageC$ 724FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapestC$ 264AverageC$ 987FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 287AverageC$ 612FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 293AverageC$ 586FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 336AverageC$ 667FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
AviancaCheapestC$ 361AverageC$ 523FlexibilityNo 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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