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San José

$111+ Cheap flights from Ontario (ONT) to San José (SJO)

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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SJO
feb. 9 — feb. 161
dom. 2/9
dom. 2/16
1 adult, Economy
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The best prices from Ontario to San José Juan Santamaria Intl are usually found in May or October, booked 10 days in advance, depart on a Monday or Saturday and return on a Tuesday

Cheap flight deals from Ontario to San José

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to San José (SJO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated febrero 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$270
(CheapOair)

One-way from

$111
(CheapOair)

Popular in

December

Cheapest in

May

Average price

$631
Provider with most accurate pricing for Ontario-San José Juan Santamaria Intl flight deals.
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Provider most trusted by Cheapflights users for Ontario-San José Juan Santamaria Intl flights.
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From Ontario to San José Juan Santamaria Intl
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One-way flight from Ontario to San José Juan Santamaria Intl
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Highest demand for flights based on searches. 8% potential increase in price ($52 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Ontario to San José

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 febrero 4, 2025.

This CheapOair deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/241:09 amONT - SJO
1 stop21h 02mMultiple Airlines
mar. 4/83:31 pmSJO - ONT
1 stop8h 42mMultiple Airlines
Deal found 2/3$270
This Cheapflightsfares deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/2511:30 pmONT - SJO
1 stop10h 55mAvianca
mar. 4/89:35 amSJO - ONT
1 stop13h 20mAvianca
Deal found 2/3$433
This American Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/511:59 pmONT - SJO
1 stop12h 06mAmerican Airlines
sáb. 9/132:20 pmSJO - ONT
2 stops20h 19mAmerican Airlines
Deal found 2/3$484
This United Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/266:00 amONT - SJO
1 stop15h 39mUnited Airlines
lun. 6/28:45 amSJO - ONT
1 stop9h 54mUnited Airlines
Deal found 2/3$532
This Kissandfly.com deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/176:05 amONT - SJO
1 stop15h 14mBritish Airways
jue. 2/273:10 pmSJO - ONT
1 stop31h 52mBritish Airways
Deal found 2/4$662
This Alaska Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/56:55 pmONT - SJO
3 stops26h 05mAlaska Airlines
vie. 9/121:26 amSJO - ONT
3 stops22h 11mAlaska Airlines
Deal found 2/3$755

Find flights from Ontario to San José within your budget

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 2,558,603 searches. Data last updated febrero 4, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioSan José

ONT - SJO

ONTSJO

Ontario

lun. 3/24

1:09 am-11:11 pm

1 stop21h 02m

San José Juan Santamaria Intl

mar. 4/8

3:31 pm-11:13 pm

1 stop8h 42m

$270

OntarioSan José

ONT - SJO

ONTSJO

Ontario

mar. 3/25

11:30 pm-11:25 am

1 stop10h 55m

San José Juan Santamaria Intl

mar. 4/8

9:35 am-9:55 pm

1 stop13h 20m

$433

OntarioSan José

ONT - SJO

ONTSJO

Ontario

lun. 3/3

10:50 pm-2:09 pm

1 stop13h 19m

San José Juan Santamaria Intl

lun. 3/10

11:59 pm-11:54 pm

1 stop24h 55m

$490

OntarioSan José

ONT - SJO

ONTSJO

Ontario

lun. 5/26

6:41 pm-10:11 am

2 stops14h 30m

San José Juan Santamaria Intl

lun. 6/2

8:45 am-10:45 pm

1 stop15h 00m

$493

OntarioSan José

ONT - SJO

ONTSJO

Ontario

lun. 2/17

6:05 am-11:19 pm

1 stop15h 14m

San José Juan Santamaria Intl

jue. 2/27

3:10 pm-9:02 pm

1 stop31h 52m

$662

OntarioSan José

ONT - SJO

ONTSJO

Ontario

lun. 3/3

12:58 am-11:12 pm

1 stop20h 14m

$111

OntarioSan José

ONT - SJO

ONTSJO

Ontario

mar. 2/25

10:30 pm-11:25 am

1 stop10h 55m

$200

OntarioSan José

ONT - SJO

ONTSJO

Ontario

dom. 3/23

7:35 pm-11:05 am

2 stops14h 30m

$226

OntarioSan José

ONT - SJO

ONTSJO

Ontario

lun. 5/5

10:40 pm-1:05 pm

1 stop13h 25m

$251

OntarioSan José

ONT - SJO

ONTSJO

Ontario

mié. 4/9

6:05 am-7:37 pm

1 stop12h 32m

$266

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 15 results
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Compare providers for flights from Ontario to San José

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to San José in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-San José, San José Province flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-San José, San José Province flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-San José, San José Province flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-San José, San José Province flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-San José, San José Province flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Travel insights for flights from Ontario to San José

Get recent, data-driven insights about flights from Ontario to San José including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Ontario to San José, San José Province?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to San José. Price data was last updated on January 31, 2025.

The best time to book flights from Ontario to San José, San José Province is 9 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Ontario to San José, San José Province?

Currently, September is the cheapest month in which you can book a flight from Ontario to San José, San José Province (average of $398). Flying from Ontario to San José, San José Province in March is currently the most expensive (average of $555). 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 ONT 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 febrero 4, 2025.

A simple way to save on the total cost of your ticket is to fly from Ontario to San José, San José Province in the afternoon. If you’re flexible enough to do this you can expect to save up to 30% on your trip compared to booking a flight in the morning.

Rainfall in San José by month

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

In terms of precipitation, rainfall in San José, San José Province ranges from 0.0 - 11.8 inches per month. September is typically the wettest month, when rainfall can reach 11.8 in. February is typically the driest time to visit San José, San José Province when rainfall is around 0.0 in.

Temperature in San José by month

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

If weather is an important factor for your trip to San José, San José Province, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 64.4 F).

Reviews of airlines servicing San José

Get insights into the airlines that provide service to San José. 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 San José. Reviews last updated febrero 4, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and Copa Airlines from Ontario to San José. 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
9,678 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,678 reviews
Alaska Airlines
8.0
Very good
9,678 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,408 reviews
Alaska Airlines
8.0
Very good
9,678 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Copa Airlines
7.7
Good
1,598 reviews
Alaska Airlines
8.0
Very good
9,678 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

JetBlue
7.4
Good
3,138 reviews
Alaska Airlines
8.0
Very good
9,678 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,887 reviews
Alaska Airlines
8.0
Very good
9,678 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 are the cheapest airlines flying from Ontario to San José, San José Province round-trip?

    Flying on Avianca is currently your cheapest option to San José, San José Province, with prices starting at $433. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $490 and $493, respectively. You may be able to fly from Ontario to San José, San José Province for 19% less than the average price by searching for these airlines.

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

    One-way options have recently been found by users for as low as $200 on Avianca. Other airlines that offer cheap prices include American Airlines from $227 and JetBlue from $251 one-way.

  • 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 Ontario to San José, San José Province?

    Currently, September is the cheapest month in which you can book a flight from Ontario to San José, San José Province (average of $398). Flying from Ontario to San José, San José Province in March is currently the most expensive (average of $555). 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

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Manuel Antonio
Heredia
Jacó
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Monteverde

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Top 3 airlines flying from Ontario to San José

Discover the top 3 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 2,558,603 searches. Data last updated febrero 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$314Average$462FlexibilityNo cancel feeOn-time71%
American AirlinesCheapest$442Average$608FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$536Average$754FlexibilityNo cancel feeOn-time69%
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