Cheap flights from Ontario (ONT) to Costa Rica from $146

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 11/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ONT — SJO
May 29 — Jun 51

How far in advance should I book a flight from Ontario to Costa Rica?

To save up to 13% on this flight, we recommend booking at least 50 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Ontario to Costa Rica from $406 1-2 weeks out and tickets from $477 for flights departing within the next 72 hours.

What is the cheapest month to fly from Ontario to Costa Rica?

The best pricing can be found in the month of September. Prices to Costa Rica from Ontario average $416. You can even find prices in September for less than $416, as users have found deals to Costa Rica from as low as $158. The month of December appears to be one of the more expensive times to travel to Costa Rica from Ontario. Flying in the targeted month can save you up to 41%.

When is the cheapest time to fly from Ontario to Costa Rica (ONT - CR)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Costa Rica as you normally would.

Cheap Copa Airlines flights from Ontario to Costa Rica

Explore cheap flight options specifically provided by Copa Airlines for the route between Ontario and Costa Rica. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,725,499 searches. Data last updated May 24, 2024.
Find some of the cheapest Copa Airlines flights traveling from Ontario to Costa Rica. Come back soon if you're not finding the exact deal you're looking for.
Wed 6/51:55 pmONT - SJO
2 stops16h 54mCopa Airlines
Mon 6/106:14 pmSJO - ONT
2 stops29h 13mCopa Airlines
Deal found 5/21$587
Thu 5/301:50 pmONT - SJO
2 stops19h 12mCopa Airlines
Mon 6/36:14 pmSJO - ONT
2 stops29h 13mCopa Airlines
Deal found 5/23$728
Wed 5/291:50 pmONT - SJO
2 stops19h 12mCopa Airlines
Sat 6/16:14 pmSJO - ONT
2 stops29h 13mCopa Airlines
Deal found 5/23$974

Cheap Avianca flights from Ontario to Costa Rica

Explore cheap flight options specifically provided by Avianca for the route between Ontario and Costa Rica. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,725,499 searches. Data last updated May 24, 2024.
Have a look at some of the cheapest available Avianca flights departing from Ontario and landing in Costa Rica. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Mon 10/711:30 pmONT - SJO
1 stop8h 10mAvianca
Mon 10/149:35 amSJO - ONT
1 stop13h 25mAvianca
Deal found 5/22$327
Sun 10/611:30 pmONT - SJO
1 stop8h 10mAvianca
Sun 10/206:10 amSJO - ONT
2 stops16h 50mAvianca
Deal found 5/22$328
Tue 10/2912:30 amONT - SJO
1 stop13h 55mAvianca
Sat 11/96:10 amSJO - ONT
2 stops17h 30mAvianca
Deal found 5/21$329
Mon 10/2111:30 pmONT - SJO
1 stop8h 10mAvianca
Mon 10/286:10 amSJO - ONT
2 stops17h 30mAvianca
Deal found 5/22$343
Sun 11/1011:30 pmONT - SJO
2 stops29h 50mAvianca
Thu 11/216:10 amSJO - ONT
2 stops17h 30mAvianca
Deal found 5/23$347
Sun 10/611:30 pmONT - SJO
1 stop8h 10mAvianca
Sun 10/205:10 amSJO - ONT
1 stop17h 50mAvianca
Deal found 5/22$352
Sun 11/1711:30 pmONT - SJO
2 stops21h 20mAvianca
Sun 11/246:10 amSJO - ONT
2 stops17h 30mAvianca
Deal found 5/21$354
Sun 11/1711:30 pmONT - SJO
1 stop7h 10mAvianca
Sat 11/239:35 amSJO - ONT
1 stop14h 05mAvianca
Deal found 5/22$356
Mon 8/1911:30 pmONT - SJO
2 stops30h 50mAvianca
Mon 8/266:10 amSJO - ONT
2 stops16h 50mAvianca
Deal found 5/22$361

Cheap Ontario to Costa Rica flights in May & June 2024

Find cheap flight options from Ontario to Costa Rica specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,725,499 searches. Prices were last updated on May 24, 2024.
These are some of the most attractive deals on flights from Ontario to Costa Rica in 2024. Check back soon for alternative fares.
Mon 6/311:30 pmONT - SJO
1 stop8h 10mAvianca
Mon 6/109:35 amSJO - ONT
1 stop13h 25mAvianca
Deal found 5/22$512
Sun 6/211:30 pmONT - SJO
1 stop8h 10mAvianca
Tue 6/41:30 pmSJO - ONT
1 stop9h 30mAvianca
Deal found 5/23$513
Sun 6/211:30 pmONT - SJO
1 stop10h 55mAvianca
Thu 6/69:35 amSJO - ONT
1 stop13h 25mAvianca
Deal found 5/23$514
Sat 6/111:30 pmONT - SJO
1 stop8h 10mAvianca
Sat 6/89:35 amSJO - ONT
1 stop13h 25mAvianca
Deal found 5/23$531
Tue 6/411:30 pmONT - SJO
1 stop10h 55mAvianca
Tue 6/119:35 amSJO - ONT
1 stop13h 25mAvianca
Deal found 5/23$532
Sun 6/911:30 pmONT - SJO
1 stop8h 10mAvianca
Sun 6/169:35 amSJO - ONT
1 stop13h 25mAvianca
Deal found 5/23$538
Tue 6/1811:30 pmONT - SJO
2 stops21h 15mAvianca
Mon 6/249:35 amSJO - ONT
1 stop13h 25mAvianca
Deal found 5/23$540
Tue 6/411:30 pmONT - SJO
1 stop10h 55mAvianca
Sun 6/99:35 amSJO - ONT
1 stop13h 25mAvianca
Deal found 5/23$549
Tue 6/1811:30 pmONT - SJO
2 stops21h 15mAvianca
Mon 6/246:10 amSJO - ONT
2 stops16h 50mAvianca
Deal found 5/23$558

Ontario to Costa Rica 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Costa Rica in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,725,499 searches. Data last updated May 24, 2024.
These are some of the most attractive deals on flights from Ontario to Costa Rica in 2024. Check back soon for alternative fares.
Mon 10/711:30 pmONT - SJO
1 stop8h 10mAvianca
Thu 10/179:35 amSJO - ONT
1 stop13h 25mAvianca
Deal found 5/23$327
Sun 11/1011:30 pmONT - SJO
1 stop7h 10mAvianca
Thu 11/216:10 amSJO - ONT
2 stops17h 30mAvianca
Deal found 5/23$329
Sun 11/1011:30 pmONT - SJO
2 stops29h 50mAvianca
Thu 11/216:10 amSJO - ONT
2 stops17h 30mAvianca
Deal found 5/23$347
Sun 8/117:23 pmONT - LIR
2 stops15h 27mAmerican Airlines
Tue 8/202:23 pmLIR - ONT
2 stops22h 27mAmerican Airlines
Deal found 5/23$352
Sun 11/1711:30 pmONT - SJO
2 stops29h 50mAvianca
Sun 11/246:10 amSJO - ONT
2 stops17h 30mAvianca
Deal found 5/23$354
Tue 11/1211:30 pmONT - SJO
1 stop13h 55mAvianca
Sun 11/179:35 amSJO - ONT
1 stop14h 05mAvianca
Deal found 5/23$356
Tue 11/1211:30 pmONT - SJO
1 stop7h 10mAvianca
Sun 11/176:10 amSJO - ONT
2 stops17h 30mAvianca
Deal found 5/23$357
Tue 9/2411:30 pmONT - SJO
2 stops22h 20mAvianca
Tue 10/19:35 amSJO - ONT
1 stop13h 25mAvianca
Deal found 5/23$358
Sat 8/312:39 pmONT - LIR
2 stops21h 31mAmerican Airlines
Wed 9/252:02 pmLIR - ONT
1 stop8h 40mAmerican Airlines
Deal found 5/23$369

Ontario to Costa Rica flights leaving soon

Find last-minute flight options from Ontario to Costa Rica for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,725,499 searches. Data last updated May 24, 2024.
Have a look at some of the flights available from Ontario to Costa Rica departing last-minute. To prevent any unwanted surprises, users should verify their flight info before booking.
Mon 6/311:30 pmONT - SJO
1 stop8h 10mAvianca
Mon 6/109:35 amSJO - ONT
1 stop13h 25mAvianca
Deal found 5/22$512
Sun 6/211:30 pmONT - SJO
1 stop8h 10mAvianca
Tue 6/41:30 pmSJO - ONT
1 stop9h 30mAvianca
Deal found 5/23$513
Sun 6/211:30 pmONT - SJO
1 stop10h 55mAvianca
Thu 6/69:35 amSJO - ONT
1 stop13h 25mAvianca
Deal found 5/23$514
Sat 6/111:30 pmONT - SJO
1 stop8h 10mAvianca
Sat 6/89:35 amSJO - ONT
1 stop13h 25mAvianca
Deal found 5/23$531
Sat 6/111:30 pmONT - SJO
1 stop8h 10mAvianca
Thu 6/69:35 amSJO - ONT
1 stop13h 25mAvianca
Deal found 5/23$549
Fri 5/316:25 pmONT - SJO
2 stops27h 14mUnited Airlines
Sun 6/306:35 amSJO - ONT
2 stops36h 18mUnited Airlines
Deal found 5/23$676
Sat 6/15:15 amONT - SJO
2 stops13h 22mUnited Airlines
Wed 6/55:30 amSJO - ONT
2 stops12h 58mUnited Airlines
Deal found 5/23$703
Thu 5/301:50 pmONT - SJO
2 stops19h 12mCopa Airlines
Mon 6/36:14 pmSJO - ONT
2 stops29h 13mCopa Airlines
Deal found 5/23$728
Sat 6/15:15 amONT - SJO
2 stops13h 22mUnited Airlines
Sat 6/86:35 amSJO - ONT
1 stop15h 03mUnited Airlines
Deal found 5/23$733

One-way flights to Costa Rica from Ontario

Search for one-way flight options from Ontario to Costa Rica. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,725,499 searches. Data last updated May 24, 2024.
If you're seeking multiple options on one-way flights from Ontario to Costa Rica, be sure to check out these deals, which are updated often. Those seeking round-trip flights from Ontario to Costa Rica should utilize the search form at the the top of the page.
Sun 11/1011:30 pmONT - SJO
1 stop7h 10mAvianca
Deal found 5/23$146
Tue 9/1011:30 pmONT - SJO
1 stop13h 05mAvianca
Deal found 5/22$147
Tue 8/1311:30 pmONT - SJO
1 stop8h 10mAvianca
Deal found 5/22$148
Tue 8/1311:30 pmONT - SJO
1 stop10h 55mAvianca
Deal found 5/22$153
Mon 8/1211:30 pmONT - SJO
1 stop8h 10mAvianca
Deal found 5/23$176
Wed 8/1411:59 pmONT - LIR
2 stops12h 11mAmerican Airlines
Deal found 5/22$177
Tue 8/139:20 amONT - SJO
2 stops11h 48mAmerican Airlines
Deal found 5/22$180
Thu 8/1512:40 pmONT - SJO
1 stop8h 28mAmerican Airlines
Deal found 5/22$182
Tue 9/104:45 pmONT - SJO
2 stops19h 36mAmerican Airlines
Deal found 5/22$186

Find flights from Ontario to Costa Rica within your budget

Customize your flight search to find flights from Ontario to Costa Rica 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 2,725,499 searches. Data last updated May 24, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$327 - $634

Route

Depart

Return

Price

OntarioSan José Juan Santamaria Intl

ONT - SJO

ONTSJO

Ontario

Mon 10/7

1 stop8h 10m

San José Juan Santamaria Intl

Mon 10/14

1 stop13h 25m

$327

OntarioSan José Juan Santamaria Intl

ONT - SJO

ONTSJO

Ontario

Sun 10/6

1 stop8h 10m

San José Juan Santamaria Intl

Sun 10/20

2 stops16h 50m

$328

OntarioLiberia

ONT - LIR

ONTLIR

Ontario

Sun 8/11

2 stops15h 27m

Liberia

Tue 8/20

2 stops22h 27m

$352

OntarioSan José Juan Santamaria Intl

ONT - SJO

ONTSJO

Ontario

Tue 8/20

2 stops11h 48m

San José Juan Santamaria Intl

Tue 8/27

2 stops20h 31m

$357

OntarioLiberia

ONT - LIR

ONTLIR

Ontario

Mon 9/23

1 stop11h 44m

Liberia

Wed 10/23

1 stop10h 15m

$409

OntarioLiberia

ONT - LIR

ONTLIR

Ontario

Wed 11/6

1 stop8h 08m

Liberia

Sun 11/10

1 stop15h 02m

$479

OntarioSan José Juan Santamaria Intl

ONT - SJO

ONTSJO

Ontario

Wed 6/5

2 stops16h 54m

San José Juan Santamaria Intl

Mon 6/10

2 stops29h 13m

$587

OntarioSan José Juan Santamaria Intl

ONT - SJO

ONTSJO

Ontario

Sun 8/18

2 stops12h 00m

San José Juan Santamaria Intl

Mon 8/26

1 stop13h 25m

$589

OntarioSan José Juan Santamaria Intl

ONT - SJO

ONTSJO

Ontario

Fri 8/2

2 stops30h 21m

San José Juan Santamaria Intl

Sun 9/1

2 stops48h 26m

$634

Flights are sorted by cheapest first

Deals found on 5/22

No data available for this route at this time. Please check back soon.

Best time to book a flight from Ontario to Costa Rica

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

Reviews of airlines servicing Costa Rica

Get insights into the airlines that provide service to Costa Rica. 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 Costa Rica. Reviews last updated May 24, 2024.
Read reviews from past customers who have flown Copa Airlines, Avianca and American Airlines from Ontario to Costa Rica. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
10,561 reviews

Crew

8.6

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Food

7.4

Overall

8.0

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

8.0
Very good
10,561 reviews
8.0
Very good
10,561 reviews

Crew

8.6

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Food

7.4

Overall

8.0

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

7.9
Good
1,549 reviews
8.0
Very good
10,561 reviews

Crew

8.6

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Food

7.4

Overall

8.0

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

7.9
Good
2,663 reviews
8.0
Very good
10,561 reviews

Crew

8.6

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Food

7.4

Overall

8.0

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

7.6
Good
4,417 reviews
8.0
Very good
10,561 reviews

Crew

8.6

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Food

7.4

Overall

8.0

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

7.6
Good
2,503 reviews
8.0
Very good
10,561 reviews

Crew

8.6

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Food

7.4

Overall

8.0

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

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

    If you book a flight to Costa Rica from Ontario, you will be flying from Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.

  • Can I find flights from Ontario to Costa Rica for under $400 on Cheapflights?

    Yes, there are multiple flights from Ontario to Costa Rica for under $400. The cheapest flight booked recently is on Avianca for just $327, but on average you can expect to pay $358.

  • Are there last-minute flights available from Ontario to Costa Rica for under $600?

    There are currently 20+ open flights from Ontario to Costa Rica within the next 7 days for less than $600.

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

    To fly one-way, consider booking your trip with Avianca, which is currently one of the cheapest options available, starting at $146. American Airlines flights start at $177 while deals on Copa Airlines start at $251 one-way.

  • What does ONT to SJO mean?

    ONT and SJO are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. ONT to SJO refers to a flight route from Ontario Airport to San José Juan Santamaria Intl Airport. Liberia Airport (LIR), Limon Airport (LIO), San José Tobias Bolanos Intl Airport (SYQ), Tamarindo Airport (TNO), Buenos Aires Airport (BAI) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Ontario to Costa Rica that include extra baggage allowance?

    The amount of baggage you can bring on your Ontario to Costa Rica flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ontario to Costa Rica with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to Costa Rica flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Costa Rica by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Ontario to Costa Rica that allow pets onboard?

    Many airlines flying from Ontario to Costa Rica offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Ontario to Costa Rica?

    Yes, you can often find last-minute deals on Ontario to Costa Rica flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Ontario to Costa Rica flight deals updated?

    The Ontario to Costa Rica flight deals you see on this page were last updated on 5/23.

  • What are the most popular airlines that fly from Ontario to Costa Rica?

  • When is the best time to book a flight from Ontario to Costa Rica?

    Currently, September is the cheapest month in which you can book a flight from Ontario to Costa Rica (average of $387). Flying from Ontario to Costa Rica in July is currently the most expensive (average of $528). 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 Ontario to Costa Rica
See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Ontario to Costa Rica

Discover the top 3 airlines that operate flights from Ontario to Costa Rica. 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 2,725,499 searches. Data last updated May 24, 2024.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$256Average$401FlexibilityNo cancel feeOn-time71%
Search Avianca flights
United AirlinesCheapest$425Average$717FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$482Average$679FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Search flights from Ontario to Costa Rica by cabin class

Find flights from Ontario to Costa Rica, based on your preferred cabin class, be it economy, premium economy, business, or first class.

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 Ontario to Costa Rica?

Cheapflights makes it easy to find Ontario to Costa Rica flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Costa Rica?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario to Costa Rica for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Ontario to Costa Rica with no change fees?

Yes, we can. To see specific flights from Ontario to Costa Rica with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Ontario to Costa Rica become cheaper?

Yes! Start tracking prices for Ontario to Costa Rica flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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