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Cheap flights from Ontario to Costa Rica from C$ 237

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 29/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SJO
5 Jun — 12 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Costa Rica

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Costa Rica
Explore the most affordable flight options available from Ontario to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 May 2026.

Wed 2/99:10 a.m.
YYZ
-
LIR
Nonstop5h 20m
Porter Airlines
Wed 16/91:30 p.m.
LIR
-
YYZ
Nonstop5h 25m
Porter Airlines
Deal found 4/5C$ 433
Wed 17/69:10 a.m.
YYZ
-
LIR
Nonstop5h 20m
Porter Airlines
Wed 1/71:30 p.m.
LIR
-
YYZ
Nonstop5h 25m
Porter Airlines
Deal found 2/5C$ 445
Sun 14/69:00 a.m.
YYZ
-
LIR
Nonstop5h 25m
WestJet
Tue 30/61:15 p.m.
LIR
-
YYZ
Nonstop5h 25m
WestJet
Deal found 1/5C$ 453
Wed 2/99:00 a.m.
YYZ
-
LIR
Nonstop5h 25m
WestJet
Sun 13/91:15 p.m.
LIR
-
YYZ
Nonstop5h 25m
WestJet
Deal found 5/5C$ 458
Wed 2/99:00 a.m.
YYZ
-
LIR
Nonstop5h 25m
WestJet
Sat 12/91:15 p.m.
LIR
-
YYZ
Nonstop5h 25m
WestJet
Deal found 4/5C$ 463
Wed 26/89:00 a.m.
YYZ
-
LIR
Nonstop5h 25m
Multiple Airlines
Wed 2/91:30 p.m.
LIR
-
YYZ
Nonstop5h 25m
Multiple Airlines
Deal found 3/5C$ 466
Sat 13/611:00 a.m.
YYZ
-
LIR
Nonstop5h 20m
Porter Airlines
Wed 24/61:30 p.m.
LIR
-
YYZ
Nonstop5h 25m
Porter Airlines
Deal found 1/5C$ 470
Sun 23/86:45 a.m.
YUL
-
LIR
1 stop7h 40m
WestJet
Sun 13/91:15 p.m.
LIR
-
YUL
1 stop9h 10m
WestJet
Deal found 3/5C$ 478
Mon 15/68:40 a.m.
YYZ
-
SJO
1 stop15h 25m
Air Transat
Mon 29/611:25 p.m.
SJO
-
YYZ
1 stop16h 15m
Air Transat
Deal found 5/5C$ 483
Sun 25/109:35 p.m.
YUL
-
LIR
2 stops17h 20m
Air Canada
Sun 1/112:55 p.m.
LIR
-
YUL
2 stops14h 53m
Air Canada
Deal found 3/5C$ 486
Fri 30/1010:35 a.m.
YUL
-
LIR
1 stop31h 00m
Multiple Airlines
Fri 6/112:55 p.m.
LIR
-
YUL
1 stop8h 40m
Multiple Airlines
Deal found 1/5C$ 489
Fri 28/86:55 a.m.
YOW
-
LIR
1 stop7h 30m
WestJet
Sat 5/91:15 p.m.
LIR
-
YOW
1 stop26h 20m
WestJet
Deal found 1/5C$ 489

Find flight deals from Ontario to Costa Rica

Keep the following information in mind while searching for Ontario to Costa Rica flight deals. Data was last updated 6 May 2026.

Round-trip from

C$ 433

One-way from

C$ 237

Popular in

December

Cheapest in

June

Average price

C$ 603

Good round-trip deal

C$ 537 or less

Good one-way deal

C$ 230 or less
Porter Airlines
  • Porter Airlines
  • 2/9-16/9
  • Nonstop
  • 10h 45m total
  • Ontario to Costa Rica
Search Deals
WestJet
  • WestJet
  • 29/5
  • Nonstop
  • 5h 25m total
  • Ontario to Costa Rica
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 146 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Ontario to Costa Rica.
Search Deals
Price to beat on a one-way flight from Ontario to Costa Rica.
Search Deals

Cheapflights Fare Finder

 
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 629,999 searches. Data last updated 6 May 2026.
Use the filters below to find and compare flights from Ontario to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaSan José

YOW - SJO

YOWSJO

Ottawa

Fri 22/5

2:52 p.m.-7:37 p.m.

2 stops30h 45m

San José Juan Santamaria Intl

Wed 27/5

12:30 a.m.-11:54 p.m.

2 stops21h 24m

C$ 498

OttawaSan José

YOW - SJO

YOWSJO

Ottawa

Sun 24/5

7:30 p.m.-7:37 p.m.

2 stops26h 07m

San José Juan Santamaria Intl

Thu 4/6

11:13 a.m.-10:03 a.m.

2 stops20h 50m

C$ 500

TorontoSan José

YYZ - SJO

YYZSJO

Toronto Pearson Intl

Sat 30/5

6:10 a.m.-10:39 p.m.

1 stop18h 29m

San José Juan Santamaria Intl

Fri 5/6

12:30 a.m.-8:44 p.m.

2 stops18h 14m

C$ 500

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Mon 1/6

9:15 a.m.-11:38 a.m.

2 stops28h 23m

San José Juan Santamaria Intl

Wed 3/6

12:30 a.m.-12:13 a.m.

2 stops21h 43m

C$ 511

OttawaLiberia

YOW - LIR

YOWLIR

Ottawa

Fri 5/6

6:00 a.m.-10:44 a.m.

2 stops30h 44m

Liberia

Tue 9/6

4:30 p.m.-11:54 p.m.

2 stops29h 24m

C$ 512

OttawaSan José

YOW - SJO

YOWSJO

Ottawa

Thu 28/5

5:50 p.m.-10:11 a.m.

2 stops18h 21m

San José Juan Santamaria Intl

Thu 4/6

11:13 a.m.-10:03 a.m.

2 stops20h 50m

C$ 519

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Wed 10/6

8:35 a.m.-6:59 p.m.

1 stop12h 24m

San José Juan Santamaria Intl

Sat 20/6

10:05 a.m.-12:40 a.m.

1 stop12h 35m

C$ 531

OttawaSan José

YOW - SJO

YOWSJO

Ottawa

Thu 4/6

6:00 a.m.-10:39 p.m.

2 stops18h 39m

San José Juan Santamaria Intl

Tue 9/6

7:55 a.m.-10:03 a.m.

2 stops24h 08m

C$ 539

TorontoSan José

YYZ - SJO

YYZSJO

Toronto Pearson Intl

Sun 24/5

3:53 p.m.-7:37 p.m.

1 stop29h 44m

San José Juan Santamaria Intl

Sun 7/6

12:30 a.m.-5:56 p.m.

2 stops15h 26m

C$ 541
Quickest round-trip

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Fri 22/5

8:35 a.m.-4:51 p.m.

1 stop10h 16m

San José Juan Santamaria Intl

Fri 29/5

8:47 a.m.-12:40 a.m.

1 stop13h 53m

C$ 543

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

Showing 1-10 of 60 resultsSorted by cheapest first
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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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Costa Rica

How far ahead should I book a flight from Region of Ontario to Costa Rica?

The price you pay for your flight from Region of Ontario to Costa Rica may vary depending on when you book. For the best chance of a lower fare, look to book 79 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Costa Rica (average of C$ 182). Flying from Region of Ontario to Costa Rica in October is currently the most expensive (average of C$ 809). 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 ON to CR?

Find hourly flight availability from Ontario to Costa Rica. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 6 May 2026.

When flying from Region of Ontario to Costa Rica, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 41% versus a flight in the afternoon.

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.

  • How long is the flight from Region of Ontario to Costa Rica?

    A quick flight from Region of Ontario to Costa Rica can take about 9h 55m. United Airlines provides one of the quickest options available for as low as C$ 624. There are 3769 km between Region of Ontario and Costa Rica. Both multi-stop and direct flights can be found to your destination and back.

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

    The cheapest airlines for a one-way flight from Region of Ontario to Costa Rica are Porter Airlines (C$ 175), WestJet (C$ 184), and Air Transat (C$ 185).

  • 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.

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

    Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Costa Rica (average of C$ 182). Flying from Region of Ontario to Costa Rica in October is currently the most expensive (average of C$ 809). 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

Browse thousands of different options on Cheapflights for your next trip

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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.
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Pearson Intl to Panama City flights
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Top 8 airlines flying from Ontario to Costa Rica

Discover the top 8 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 629,999 searches. Data last updated 6 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapestC$ 208AverageC$ 714FlexibilityNo cancel feeOn-time70%
Search Copa Airlines flights
United AirlinesCheapestC$ 225AverageC$ 519FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 231AverageC$ 824FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 260AverageC$ 766FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
American AirlinesCheapestC$ 285AverageC$ 676FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Porter AirlinesCheapestC$ 293AverageC$ 698FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 322AverageC$ 639FlexibilityNo cancel feeOn-time60%
Search WestJet flights
AviancaCheapestC$ 371AverageC$ 514FlexibilityNo cancel feeOn-time71%
Search Avianca 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 Ontario to Costa Rica?

Deals for Ontario to Costa Rica flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Costa Rica from Ontario.

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

Certainly. Search results for flights to Costa Rica from Ontario 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 Ontario to Costa Rica become cheaper?

Not ready to book yet? You can track prices for flights from Ontario to Costa Rica on Cheapflights with our Price Alert feature and get notified when better prices are available.

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