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$136+ Cheap flights from Costa Rica to Ontario (ONT)

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 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — ONT
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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Cheap flight deals from Costa Rica to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Costa Rica (CR0) to Ontario (ONT). 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 December 18, 2024.

Round-trip from

$353
(United Airlines)

One-way from

$136
(United Airlines)
From Costa Rica to Ontario
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One-way flight from Costa Rica to Ontario
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Find flight deals from Costa Rica to Ontario

Cheapest flights from Costa Rica to Ontario
Explore the most affordable flight options available from Costa Rica to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This United Airlines deal was found by Cheapflights users on 12/17. 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.
Tue 12/246:30 amSJO - ONT
1 stop17h 59mUnited Airlines
Tue 12/316:10 amONT - SJO
1 stop13h 45mUnited Airlines
Deal found 12/17$353
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Wed 12/256:29 amSJO - ONT
2 stops12h 12mAmerican Airlines
Sat 1/113:04 pmONT - SJO
2 stops20h 43mAmerican Airlines
Deal found 12/17$622
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Tue 12/2412:50 pmLIR - ONT
1 stop9h 59mUnited Airlines
Sun 12/296:10 amONT - LIR
1 stop9h 47mUnited Airlines
Deal found 12/17$722
This Trip.com deal was found by Cheapflights users on 12/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/257:50 pmSJO - ONT
1 stop27h 10mMultiple Airlines
Mon 12/3012:58 amONT - SJO
1 stop20h 14mMultiple Airlines
Deal found 12/16$834
This Alaska Airlines deal was found by Cheapflights users on 12/17. 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.
Tue 12/241:18 amSJO - ONT
3 stops20h 19mAlaska Airlines
Sun 1/264:11 pmONT - SJO
2 stops29h 46mAlaska Airlines
Deal found 12/17$878
This Delta deal was found by Cheapflights users on 12/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/277:05 amSJO - ONT
1 stop14h 36mDelta
Sun 1/510:29 pmONT - SJO
1 stop12h 25mDelta
Deal found 12/17$966
This Mytrip deal was found by Cheapflights users on 12/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2410:40 amLIR - ONT
2 stops14h 21mMultiple Airlines
Sun 12/298:33 pmONT - LIR
3 stops17h 37mMultiple Airlines
Deal found 12/17$1,013
This Priceline deal was found by Cheapflights users on 12/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2410:15 amSJO - ONT
2 stops12h 45mAvianca
Tue 12/3110:30 pmONT - SJO
3 stops13h 49mAvianca
Deal found 12/17$1,057

Find flights from Costa Rica to Ontario within your budget

Customize your flight search to find flights from Costa Rica 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 2,558,603 searches. Data last updated December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San JoséOntario

SJO - ONT

SJOONT

San José Juan Santamaria Intl

Thu 2/20

12:35 pm-9:15 am

2 stops22h 40m

Ontario

Sun 2/23

6:00 am-1:17 pm

1 stop29h 17m

$359

San JoséOntario

SJO - ONT

SJOONT

San José Juan Santamaria Intl

Thu 2/6

3:10 pm-9:00 pm

1 stop7h 50m

Ontario

Thu 3/6

10:30 pm-11:25 am

1 stop10h 55m

$395

San JoséOntario

SJO - ONT

SJOONT

San José Juan Santamaria Intl

Sat 3/1

3:32 pm-11:01 pm

1 stop9h 29m

Ontario

Fri 3/7

12:58 am-11:12 pm

1 stop20h 14m

$436

LiberiaOntario

LIR - ONT

LIRONT

Liberia

Sun 1/12

9:30 am-8:29 pm

1 stop12h 59m

Ontario

Fri 1/17

6:38 pm-7:19 pm

1 stop22h 41m

$501

San JoséOntario

SJO - ONT

SJOONT

San José Juan Santamaria Intl

Mon 1/20

1:12 am-10:34 am

3 stops35h 22m

Ontario

Sat 1/25

6:00 am-11:57 pm

3 stops15h 57m

$952

San JoséOntario

SJO - ONT

SJOONT

San José Juan Santamaria Intl

Thu 1/2

2:15 pm-11:41 pm

1 stop11h 26m

Ontario

Wed 1/8

7:05 am-10:12 pm

1 stop13h 07m

$1,187

San JoséOntario

SJO - ONT

SJOONT

San José Juan Santamaria Intl

Tue 12/24

6:30 am-10:29 pm

1 stop17h 59m

$136

San JoséOntario

SJO - ONT

SJOONT

San José Juan Santamaria Intl

Tue 12/24

12:35 pm-10:29 pm

1 stop11h 54m

$150

San JoséOntario

SJO - ONT

SJOONT

San José Juan Santamaria Intl

Tue 3/4

3:32 pm-11:01 pm

1 stop9h 29m

$163

San JoséOntario

SJO - ONT

SJOONT

San José Juan Santamaria Intl

Thu 2/20

9:35 am-9:00 pm

1 stop13h 25m

$212

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 20 results
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Best time to book a flight from Costa Rica to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Costa Rica 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 Costa Rica to Ontario

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

What is the cheapest month to book a flight from Costa Rica to Ontario?

Currently, September is the cheapest month in which you can book a flight from Costa Rica to Ontario (average of $236). Flying from Costa Rica to Ontario in December is currently the most expensive (average of $298). 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 CR to ONT?

Find hourly flight availability from Costa Rica 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 December 18, 2024.

When flying from Costa Rica to 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 Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

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 Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

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 December 18, 2024.
To help decide which airline to fly from Costa Rica to Ontario, see what other customers have to say about Avianca and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,552 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Food

7.2

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Alaska Airlines
8.0
Very good
9,552 reviews
Alaska Airlines
8.0
Very good
9,552 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Food

7.2

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Delta
8.0
Very good
8,604 reviews
Alaska Airlines
8.0
Very good
9,552 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Food

7.2

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

KLM
7.8
Good
1,349 reviews
Alaska Airlines
8.0
Very good
9,552 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Food

7.2

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

United Airlines
7.4
Good
9,059 reviews
Alaska Airlines
8.0
Very good
9,552 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Food

7.2

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,552 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Food

7.2

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Related info for your journey

Find useful and relevant information for your journey from Costa Rica 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 into for flights to Ontario from Costa Rica?

    Located just 3.1 mi from the city center, Ontario (ONT) is the airport most travelers will use when flying to Ontario from Costa Rica.

  • What are the cheapest airlines to fly from Costa Rica to Ontario one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $136. However, be on the lookout for offers from Lufthansa and Avianca, as they are both options that can get you from Costa Rica to Ontario for a low price.

  • Can I find deals for flights from Costa Rica to Ontario that include hotel bookings?

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

  • How can I find direct flights from Costa Rica to Ontario?

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

  • Can I find deals for business class flights from Costa Rica to Ontario?

    Yes. Cheapflights offers flight deals from Costa Rica 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 Costa Rica to Ontario?

    Currently, September is the cheapest month in which you can book a flight from Costa Rica to Ontario (average of $236). Flying from Costa Rica to Ontario in December is currently the most expensive (average of $298). 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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Alternative routes for Costa Rica to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Costa Rica to Ontario

Discover the top 3 airlines that operate flights from Costa Rica 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 2,558,603 searches. Data last updated December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$220Average$418FlexibilityNo cancel feeOn-time71%
American AirlinesCheapest$334Average$537FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$349Average$572FlexibilityNo cancel feeOn-time69%
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