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Cheap flights from San José to Ontario from C$ 345

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 16/7. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — YYZ
18 Jul — 25 Jul1
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 18 June 2026.

Fri 11/125:00 a.m.
SJO
-
YOW
2 stops12h 18m
Avianca
Fri 8/111:10 a.m.
YOW
-
SJO
2 stops13h 30m
Avianca
Deal found 18/6C$ 630
Wed 12/85:05 a.m.
SJO
-
YOW
2 stops12h 05m
Avianca
Wed 19/812:00 p.m.
YOW
-
SJO
2 stops13h 40m
Avianca
Deal found 16/6C$ 631
Thu 16/75:05 a.m.
SJO
-
YOW
2 stops14h 10m
Avianca
Thu 23/710:05 p.m.
YOW
-
SJO
2 stops12h 40m
Avianca
Deal found 17/6C$ 633
Mon 27/75:05 a.m.
SJO
-
YUL
2 stops12h 40m
Avianca
Wed 29/74:15 p.m.
YUL
-
SJO
1 stop9h 25m
Avianca
Deal found 16/6C$ 690
Fri 14/85:05 a.m.
SJO
-
YOW
2 stops12h 05m
Avianca
Mon 17/810:05 p.m.
YOW
-
SJO
3 stops15h 40m
Avianca
Deal found 15/6C$ 699
Mon 22/611:13 a.m.
SJO
-
YUL
2 stops32h 13m
United Airlines
Mon 29/69:45 a.m.
YUL
-
SJO
2 stops26h 26m
United Airlines
Deal found 15/6C$ 717
Thu 17/97:45 p.m.
SJO
-
YOW
2 stops23h 30m
Avianca
Thu 1/105:10 a.m.
YOW
-
SJO
2 stops20h 30m
Avianca
Deal found 17/6C$ 725
Mon 15/64:20 p.m.
SJO
-
YYZ
1 stop29h 55m
Multiple Airlines
Mon 22/68:30 a.m.
YYZ
-
SJO
1 stop24h 39m
Multiple Airlines
Deal found 14/6C$ 732
Wed 9/95:05 a.m.
SJO
-
YYZ
1 stop8h 10m
Avianca
Sat 12/99:44 a.m.
YYZ
-
SJO
1 stop24h 46m
Avianca
Deal found 15/6C$ 735
Thu 24/121:10 a.m.
SJO
-
YYZ
Nonstop5h 15m
Air Transat
Sat 2/17:20 p.m.
YYZ
-
SJO
Nonstop5h 30m
Air Transat
Deal found 16/6C$ 736
Sat 12/91:40 a.m.
SJO
-
YUL
1 stop17h 55m
Avianca
Sat 26/911:00 p.m.
YUL
-
SJO
1 stop11h 50m
Avianca
Deal found 18/6C$ 738
Sat 31/1012:10 a.m.
SJO
-
YYZ
Nonstop5h 15m
Air Transat
Fri 13/118:15 a.m.
YYZ
-
SJO
1 stop16h 40m
Air Transat
Deal found 13/6C$ 738

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 18 June 2026.

Round-trip from

C$ 630

One-way from

C$ 345

Popular in

June

Cheapest in

February

Average price

C$ 812

Good round-trip deal

C$ 783 or less

Good one-way deal

C$ 448 or less
Avianca
  • Avianca
  • 11/12-8/1
  • 4 total stops
  • 25h 48m total
  • San José to Ontario
Search Deals
Avianca
  • Avianca
  • 16/7
  • 2 total stops
  • 14h 10m total
  • San José to Ontario
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 88 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 19 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 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 18 June 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 11/12

5:00 a.m.-6:18 p.m.

2 stops12h 18m

Ottawa

Fri 8/1

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

2 stops13h 30m

C$ 630

San JoséOttawa

SJO - YOW

SJOYOW

San José Juan Santamaria Intl

Wed 12/8

3:10 p.m.-8:15 a.m.

2 stops15h 05m

Ottawa

Wed 19/8

12:00 p.m.-11:40 p.m.

2 stops13h 40m

C$ 630

San JoséOttawa

SJO - YOW

SJOYOW

San José Juan Santamaria Intl

Thu 16/7

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

2 stops28h 10m

Ottawa

Thu 23/7

10:05 p.m.-11:45 a.m.

3 stops15h 40m

C$ 739
Quickest round-trip

San JoséMontreal

SJO - YUL

SJOYUL

San José Juan Santamaria Intl

Thu 23/7

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

1 stop10h 10m

Montreal Pierre Elliott Trudeau Intl

Wed 29/7

4:15 p.m.-11:40 p.m.

1 stop9h 25m

C$ 741

San JoséOttawa

SJO - YOW

SJOYOW

San José Juan Santamaria Intl

Sun 12/7

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

2 stops12h 05m

Ottawa

Sun 19/7

10:05 p.m.-8:45 a.m.

2 stops12h 40m

C$ 753

San JoséMontreal

SJO - YUL

SJOYUL

San José Juan Santamaria Intl

Tue 18/8

5:05 a.m.-7:27 p.m.

2 stops12h 22m

Montreal Pierre Elliott Trudeau Intl

Sun 23/8

4:15 p.m.-8:45 a.m.

1 stop18h 30m

C$ 860

San JoséMontreal

SJO - YUL

SJOYUL

San José Juan Santamaria Intl

Fri 25/9

5:05 a.m.-6:52 p.m.

2 stops11h 47m

Montreal Pierre Elliott Trudeau Intl

Thu 15/10

11:00 p.m.-8:50 a.m.

1 stop11h 50m

C$ 861

San JoséOttawa

SJO - YOW

SJOYOW

San José Juan Santamaria Intl

Thu 15/10

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

1 stop18h 27m

Ottawa

Fri 23/10

5:20 p.m.-12:21 p.m.

2 stops21h 01m

C$ 892

San JoséToronto

SJO - YYZ

SJOYYZ

San José Juan Santamaria Intl

Mon 5/10

1:25 p.m.-9:54 a.m.

2 stops18h 29m

Toronto Pearson Intl

Sat 10/10

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

1 stop15h 27m

C$ 892

San JoséToronto

SJO - YYZ

SJOYYZ

San José Juan Santamaria Intl

Tue 30/6

12:44 p.m.-2:19 p.m.

2 stops23h 35m

Toronto Pearson Intl

Sat 4/7

2:35 p.m.-10:11 a.m.

2 stops21h 36m

C$ 892

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/6

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$ 159). Flying from San José to Region of Ontario in July is currently the most expensive (average of C$ 1,967). 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 18 June 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?

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

Booking 59 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 18 June 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
555 reviews
Check prices

Food

6.8

Overall

7.8

Boarding

7.9

Crew

8.5

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Transat
7.8
Good
555 reviews
Air Transat
7.8
Good
555 reviews
Check prices

Food

6.8

Overall

7.8

Boarding

7.9

Crew

8.5

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Canada
7.1
Good
11,212 reviews
Air Transat
7.8
Good
555 reviews
Check prices

Food

6.8

Overall

7.8

Boarding

7.9

Crew

8.5

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Avianca
6.5
Okay
2,531 reviews
Air Transat
7.8
Good
555 reviews
Check prices

Food

6.8

Overall

7.8

Boarding

7.9

Crew

8.5

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.

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$ 909, Avianca can have you in Region of Ontario from San José in 12h 15m. The distance from San José to Region of Ontario is about 3766 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$ 166 on United Airlines. Other airlines that offer cheap prices include Air Canada from C$ 188 and Avianca from C$ 218 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 - Toronto Island or San José Juan Santamaria Intl - Montreal Pierre Elliott Trudeau Intl when deciding on the best route from San José to Region of Ontario.

  • What are the most reliable airlines from San José to Region of Ontario?

    No one likes to see their flight delayed. When booking a flight from San José to Region of Ontario consider choosing Air Canada Rouge (100%), Air Transat (100%) or Air Canada (60%) as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay C$ 752 for a flight from San José to Region of Ontario. The cheapest flight overall is C$ 347 while the most popular route, (San José Juan Santamaria Intl - Toronto Pearson Intl) is currently priced at C$ 627.

  • 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$ 159). Flying from San José to Region of Ontario in July is currently the most expensive (average of C$ 1,967). 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 18 June 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapestC$ 484AverageC$ 650FlexibilityNo cancel feeOn-time71%
Search Avianca flights
Air CanadaCheapestC$ 502AverageC$ 830FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 550AverageC$ 688FlexibilityNo 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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