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Cheap flights from San José to Ontario from C$ 270

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 28/5. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — YYZ
5 May — 12 May1
1 adult

Cheap 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 30 April 2025.

Round-trip from

C$ 507

One-way from

C$ 270

Popular in

July

Cheapest in

October

Average price

C$ 657

Good round-trip deal

C$ 518 or less

Good one-way deal

C$ 510 or less
28/5-6/6
  • 28/5-6/6
  • 2 total stops
  • 52h 49m total
  • San José to Ontario
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28/5
  • 28/5
  • 2 total stops
  • 14h 45m total
  • San José to Ontario
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Highest demand for flights based on searches. 13% potential increase in price (C$ 142 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 29 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from San José Juan Santamaria Intl to Ontario.
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Price to beat on a one-way flight from San José Juan Santamaria Intl to Ontario.
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Find flight deals from San José to Ontario

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 30 April 2025.

Wed 28/512:28 p.m.SJO - YYZ
1 stop23h 37mMultiple Airlines
Fri 6/67:15 a.m.YYZ - SJO
1 stop29h 12mMultiple Airlines
Deal found 29/4C$ 507
Mon 2/67:45 p.m.SJO - YYZ
1 stop8h 55mAvianca
Sat 13/911:50 p.m.YYZ - SJO
1 stop18h 00mAvianca
Deal found 29/4C$ 512
Sun 1/612:28 p.m.SJO - YUL
3 stops31h 47mMultiple Airlines
Sun 8/66:45 a.m.YUL - SJO
2 stops30h 48mMultiple Airlines
Deal found 28/4C$ 550
Wed 11/611:32 a.m.SJO - YTZ
2 stops30h 05mMultiple Airlines
Mon 16/610:25 a.m.YTZ - SJO
3 stops26h 12mMultiple Airlines
Deal found 28/4C$ 572
Mon 9/67:45 p.m.SJO - YUL
1 stop17h 00mAvianca
Fri 13/611:25 p.m.YUL - SJO
1 stop18h 25mAvianca
Deal found 28/4C$ 574
Fri 9/51:30 p.m.SJO - YYZ
2 stops18h 28mAir Canada
Tue 20/512:30 a.m.YYZ - SJO
1 stop21h 55mAir Canada
Deal found 29/4C$ 638
Wed 7/511:59 p.m.SJO - YYZ
1 stop14h 26mAmerican Airlines
Tue 20/56:00 a.m.YYZ - SJO
1 stop7h 27mAmerican Airlines
Deal found 29/4C$ 648
Fri 2/51:45 p.m.SJO - YUL
2 stops19h 59mAmerican Airlines
Fri 9/57:00 a.m.YUL - SJO
1 stop7h 50mAmerican Airlines
Deal found 29/4C$ 656
Thu 8/57:55 a.m.SJO - YYZ
2 stops24h 03mUnited Airlines
Mon 12/52:45 p.m.YYZ - SJO
2 stops23h 41mUnited Airlines
Deal found 29/4C$ 662
Thu 14/85:30 a.m.SJO - YOW
2 stops30h 34mUnited Airlines
Sun 24/87:29 p.m.YOW - SJO
2 stops18h 09mUnited Airlines
Deal found 29/4C$ 663
Fri 31/1012:15 a.m.SJO - YUL
Nonstop5h 40mAir Transat
Fri 7/116:55 p.m.YUL - SJO
Nonstop6h 00mAir Transat
Deal found 29/4C$ 669
Wed 17/91:18 p.m.SJO - YYZ
1 stop8h 35mDelta
Wed 24/96:00 a.m.YYZ - SJO
1 stop7h 53mDelta
Deal found 29/4C$ 705

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 30 April 2025.
Use the filters below to find and compare flights from San José to Ontario that are best for you.

Fly from

San José

Fly to

Ontario

Route

Depart

Return

Price

San JoséToronto

SJO - YYZ

SJOYYZ

San José Juan Santamaria Intl

Wed 28/5

12:28 p.m.-2:05 p.m.

1 stop23h 37m

Toronto Pearson Intl

Fri 6/6

7:15 a.m.-10:27 a.m.

1 stop29h 12m

C$ 507

San JoséToronto

SJO - YYZ

SJOYYZ

San José Juan Santamaria Intl

Mon 2/6

7:45 p.m.-6:40 a.m.

1 stop8h 55m

Toronto Pearson Intl

Sat 13/9

11:50 p.m.-3:50 p.m.

1 stop18h 00m

C$ 512

San JoséToronto

SJO - YTZ

SJOYTZ

San José Juan Santamaria Intl

Wed 11/6

11:32 a.m.-7:37 p.m.

2 stops30h 05m

Toronto Island

Mon 16/6

10:25 a.m.-10:37 a.m.

3 stops26h 12m

C$ 572

San JoséMontreal

SJO - YUL

SJOYUL

San José Juan Santamaria Intl

Wed 28/5

11:32 a.m.-2:20 p.m.

1 stop24h 48m

Montreal Pierre Elliott Trudeau Intl

Wed 4/6

11:25 p.m.-9:20 a.m.

1 stop11h 55m

C$ 577

San JoséMontreal

SJO - YUL

SJOYUL

San José Juan Santamaria Intl

Mon 2/6

7:45 p.m.-2:45 p.m.

1 stop17h 00m

Montreal Pierre Elliott Trudeau Intl

Wed 11/6

11:25 p.m.-9:20 a.m.

1 stop11h 55m

C$ 595

San JoséToronto

SJO - YYZ

SJOYYZ

San José Juan Santamaria Intl

Fri 9/5

1:30 p.m.-9:58 a.m.

2 stops18h 28m

Toronto Pearson Intl

Tue 20/5

12:30 a.m.-8:25 p.m.

1 stop21h 55m

C$ 638

San JoséToronto

SJO - YYZ

SJOYYZ

San José Juan Santamaria Intl

Thu 15/5

11:59 p.m.-4:25 p.m.

1 stop14h 26m

Toronto Pearson Intl

Wed 28/5

1:29 p.m.-10:17 p.m.

1 stop10h 48m

C$ 648

San JoséToronto

SJO - YYZ

SJOYYZ

San José Juan Santamaria Intl

Fri 9/5

1:30 p.m.-1:42 p.m.

2 stops22h 12m

Toronto Pearson Intl

Wed 14/5

6:15 a.m.-7:37 p.m.

2 stops15h 22m

C$ 662

San JoséOttawa

SJO - YOW

SJOYOW

San José Juan Santamaria Intl

Thu 14/8

5:30 a.m.-2:04 p.m.

2 stops30h 34m

Ottawa

Sun 24/8

7:29 p.m.-11:38 a.m.

2 stops18h 09m

C$ 663

San JoséMontreal

SJO - YUL

SJOYUL

San José Juan Santamaria Intl

Mon 2/6

6:03 a.m.-10:44 p.m.

2 stops14h 41m

Montreal Pierre Elliott Trudeau Intl

Wed 11/6

10:35 a.m.-8:09 p.m.

2 stops11h 34m

C$ 667

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

Showing 1-10 of 40 results
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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, San José Province to Region of Ontario?

Currently, January is the cheapest month in which you can book a flight from San José, San José Province to Region of Ontario (average of C$ 167). Flying from San José, San José Province to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 30 April 2025.

When flying from San José, San José Province 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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

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 30 April 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and Copa Airlines from San José to Ontario. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,936 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Copa Airlines
7.5
Good
1,411 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    The cheapest airline one-way is Avianca, with whom users have recently found tickets for as low as C$ 271. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from San José, San José Province to Region of Ontario for a low price.

  • What are the most popular routes from San José, San José Province 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, San José Province to Region of Ontario.

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

    On average you can expect to pay C$ 690 for a flight from San José, San José Province to Region of Ontario. The cheapest flight overall is C$ 352 while the most popular route, (San José Juan Santamaria Intl - Toronto Pearson Intl) is currently priced at C$ 462.

  • 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, San José Province to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from San José, San José Province to Region of Ontario (average of C$ 167). Flying from San José, San José Province to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 4 airlines flying from San José to Ontario

Discover the top 4 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 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 357AverageC$ 1,116FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
AviancaCheapestC$ 552AverageC$ 785FlexibilityNo cancel feeOn-time71%
Search Avianca flights
Air TransatCheapestC$ 627AverageC$ 861FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
American AirlinesCheapestC$ 775AverageC$ 878FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

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How does Cheapflights help users find flights from San José to Ontario?

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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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