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Cheap flights from San José to Ontario from C$ 346

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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — YYZ
30 Aug — 6 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San José to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from San José to Ontario
Explore the most affordable flight options available from San José to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 July 2026.

Sat 15/85:05 a.m.
SJO
-
YOW
2 stops12h 05m
Multiple Airlines
Sun 23/82:00 p.m.
YOW
-
SJO
2 stops11h 40m
Multiple Airlines
Deal found 28/7C$ 628
Fri 23/105:05 a.m.
SJO
-
YOW
2 stops14h 10m
Avianca
Mon 23/1110:05 a.m.
YOW
-
SJO
2 stops14h 35m
Avianca
Deal found 30/7C$ 629
Thu 8/105:05 a.m.
SJO
-
YOW
2 stops14h 10m
Avianca
Fri 13/1110:05 a.m.
YOW
-
SJO
2 stops14h 35m
Avianca
Deal found 30/7C$ 667
Tue 15/123:05 p.m.
SJO
-
YOW
2 stops27h 25m
Avianca
Tue 5/110:05 a.m.
YOW
-
SJO
2 stops14h 35m
Avianca
Deal found 29/7C$ 683
Sun 16/89:40 a.m.
SJO
-
YOW
2 stops33h 35m
Avianca
Sat 22/810:05 p.m.
YOW
-
SJO
2 stops15h 25m
Avianca
Deal found 28/7C$ 694
Sat 15/89:40 a.m.
SJO
-
YOW
2 stops23h 35m
Avianca
Thu 27/810:05 p.m.
YOW
-
SJO
3 stops15h 40m
Avianca
Deal found 28/7C$ 695
Fri 11/911:25 p.m.
SJO
-
YUL
Nonstop5h 45m
Multiple Airlines
Fri 18/94:35 p.m.
YUL
-
SJO
Nonstop5h 45m
Multiple Airlines
Deal found 30/7C$ 705
Fri 25/121:15 a.m.
SJO
-
YUL
Nonstop5h 40m
Air Transat
Wed 13/16:55 p.m.
YUL
-
SJO
Nonstop6h 00m
Air Transat
Deal found 27/7C$ 726
Thu 22/105:05 a.m.
SJO
-
YOW
2 stops14h 10m
Avianca
Thu 12/1110:05 a.m.
YOW
-
SJO
3 stops26h 40m
Avianca
Deal found 28/7C$ 729
Sun 1/111:45 a.m.
SJO
-
YUL
1 stop17h 50m
Avianca
Sun 8/1110:00 p.m.
YUL
-
SJO
1 stop11h 50m
Avianca
Deal found 27/7C$ 732
Wed 7/109:25 a.m.
SJO
-
YUL
1 stop10h 10m
Avianca
Mon 26/1011:00 p.m.
YUL
-
SJO
1 stop18h 20m
Avianca
Deal found 26/7C$ 737
Sun 27/99:25 a.m.
SJO
-
YUL
1 stop10h 10m
Avianca
Tue 27/1011:20 p.m.
YUL
-
SJO
1 stop18h 00m
Avianca
Deal found 27/7C$ 739

Find flight deals from San José to Ontario

Keep the following information in mind while searching for San José to Ontario flight deals. Data was last updated 31 July 2026.

Round-trip from

C$ 628

One-way from

C$ 346

Popular in

July

Cheapest in

November

Average price

C$ 865

Good round-trip deal

C$ 424 or less

Good one-way deal

C$ 473 or less
15/8-23/8
  • 15/8-23/8
  • 4 total stops
  • 23h 45m total
  • San José to Ontario
Search Deals
Avianca
  • Avianca
  • 10/11
  • 2 total stops
  • 12h 45m total
  • San José to Ontario
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 138 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from San José Juan Santamaria Intl to Ontario.
Search Deals
Price to beat on a one-way flight from San José Juan Santamaria Intl to Ontario.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San José to Ontario 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 31 July 2026.
Use the filters below to find and compare flights from San José to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JoséOttawa

SJO - YOW

SJOYOW

San José Juan Santamaria Intl

Fri 4/9

1:25 p.m.-1:59 p.m.

2 stops22h 34m

Ottawa

Thu 10/9

6:00 a.m.-7:37 p.m.

2 stops15h 37m

C$ 753

San JoséOttawa

SJO - YOW

SJOYOW

San José Juan Santamaria Intl

Wed 23/9

1:25 p.m.-9:56 a.m.

2 stops18h 31m

Ottawa

Fri 23/10

7:30 p.m.-12:21 p.m.

2 stops18h 51m

C$ 753

San JoséOttawa

SJO - YOW

SJOYOW

San José Juan Santamaria Intl

Fri 23/10

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

1 stop18h 27m

Ottawa

Mon 23/11

2:00 p.m.-7:53 p.m.

2 stops30h 53m

C$ 753

San JoséOttawa

SJO - YOW

SJOYOW

San José Juan Santamaria Intl

Fri 23/10

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

1 stop18h 27m

Ottawa

Fri 30/10

4:36 p.m.-11:48 a.m.

1 stop21h 12m

C$ 753

San JoséOttawa

SJO - YOW

SJOYOW

San José Juan Santamaria Intl

Fri 23/10

12:44 p.m.-4:38 p.m.

1 stop25h 54m

Ottawa

Fri 13/11

4:36 p.m.-11:25 a.m.

2 stops19h 49m

C$ 753

San JoséOttawa

SJO - YOW

SJOYOW

San José Juan Santamaria Intl

Thu 8/10

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

2 stops30h 10m

Ottawa

Fri 13/11

9:45 a.m.-1:00 p.m.

1 stop28h 15m

C$ 753

San JoséOttawa

SJO - YOW

SJOYOW

San José Juan Santamaria Intl

Thu 21/1

1:15 a.m.-9:56 p.m.

2 stops19h 41m

Ottawa

Sun 24/1

6:00 a.m.-7:53 p.m.

1 stop14h 53m

C$ 765

San JoséToronto

SJO - YYZ

SJOYYZ

San José Juan Santamaria Intl

Tue 27/10

10:28 p.m.-9:14 a.m.

1 stop8h 46m

Toronto Pearson Intl

Fri 13/11

8:35 a.m.-8:39 p.m.

2 stops13h 04m

C$ 765

San JoséToronto

SJO - YYZ

SJOYYZ

San José Juan Santamaria Intl

Wed 23/9

1:25 p.m.-10:04 a.m.

2 stops18h 39m

Toronto Pearson Intl

Sat 3/10

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

1 stop8h 11m

C$ 765

San JoséToronto

SJO - YYZ

SJOYYZ

San José Juan Santamaria Intl

Wed 2/9

1:25 p.m.-3:46 p.m.

2 stops24h 21m

Toronto Pearson Intl

Wed 9/9

10:15 a.m.-7:37 p.m.

2 stops11h 22m

C$ 771

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/7

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from San José to Ontario

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

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

Currently, November is the cheapest month in which you can book a flight from San José to Region of Ontario (average of C$ 597). Flying from San José to Region of Ontario in July is currently the most expensive (average of C$ 879). 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 SJO to ON?

Find hourly flight availability from San José to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 31 July 2026.

When flying from San José to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Airfare is typical for this route at the moment.
San José to Region of Ontario flights typically cost between C$ 677 and C$ 927 in September.
The cheapest round-trip price found within the last 5 days was C$ 757 on American Airlines (14 Sep-18 Sep).

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

Booking 41 days in advance of your planned departure date is, on average, the best time to get cheap flights from San José to Region of Ontario. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 31 July 2026.
Get a feel of what it's like to fly with Air Transat,Air Canada, andAvianca from San José to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Transat
7.8
Good
568 reviews
Check prices

Crew

8.5

Boarding

8.0

Entertainment

7.1

Food

6.8

Overall

7.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Transat
7.8
Good
568 reviews
Air Transat
7.8
Good
568 reviews
Check prices

Crew

8.5

Boarding

8.0

Entertainment

7.1

Food

6.8

Overall

7.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Canada
7.1
Good
11,415 reviews
Air Transat
7.8
Good
568 reviews
Check prices

Crew

8.5

Boarding

8.0

Entertainment

7.1

Food

6.8

Overall

7.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Avianca
6.5
Okay
2,522 reviews
Air Transat
7.8
Good
568 reviews
Check prices

Crew

8.5

Boarding

8.0

Entertainment

7.1

Food

6.8

Overall

7.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.

Related info for your journey

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

    Located just 14.1 km from the city centre, San José Juan Santamaria Intl (SJO) is the airport most travellers will use when flying to Ontario from San José.

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

    For as low as C$ 893, United Airlines can have you in Region of Ontario from San José in 5h 35m. The distance from San José to Region of Ontario is about 4065 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    One-way options have recently been found by users for as low as C$ 165 on United Airlines. Other airlines that offer cheap prices include Air Canada from C$ 188 and Avianca from C$ 211 one-way.

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

    Most travellers choose San José Juan Santamaria Intl - Toronto Pearson Intl, San José Juan Santamaria Intl - Montreal Pierre Elliott Trudeau Intl or San José Juan Santamaria Intl - Toronto Island when deciding on the best route from San José to Region of Ontario.

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

    On average you can expect to pay C$ 652 for a flight from San José to Region of Ontario. The cheapest flight overall is C$ 385 while the most popular route, (San José Juan Santamaria Intl - Toronto Pearson Intl) is currently priced at C$ 594.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from San José to Region of Ontario (average of C$ 597). Flying from San José to Region of Ontario in July is currently the most expensive (average of C$ 879). 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

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Top 3 airlines flying from San José to Ontario

Discover the top 3 airlines that operate flights from San José to Ontario. 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 31 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 502AverageC$ 851FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
AviancaCheapestC$ 526AverageC$ 770FlexibilityNo cancel feeOn-time71%
Search Avianca flights
Air TransatCheapestC$ 550AverageC$ 687FlexibilityNo cancel feeOn-time50%
Search Air Transat 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 San José to Ontario?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ontario from San José today with Cheapflights!

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

Cheapflights simply makes it quick and affordable to book flights from San José to Ontario by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to Ontario from San José shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights offers price alerts on San José to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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