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Cheap flights from Ontario to Costa Rica from C$ 262

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 29/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SJO
20 Jul — 27 Jul1
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 20 June 2026.

Sun 15/116:00 a.m.
YOW
-
LIR
1 stop30h 44m
United Airlines
Sun 22/118:45 a.m.
LIR
-
YOW
2 stops28h 24m
United Airlines
Deal found 19/6C$ 439
Fri 19/62:52 p.m.
YOW
-
LIR
2 stops21h 52m
United Airlines
Wed 24/63:27 p.m.
LIR
-
YOW
2 stops23h 40m
United Airlines
Deal found 16/6C$ 460
Fri 27/117:15 p.m.
YOW
-
LIR
2 stops44h 14m
WestJet
Sat 12/128:00 a.m.
LIR
-
YOW
2 stops56h 21m
WestJet
Deal found 18/6C$ 498
Fri 25/96:25 p.m.
YOW
-
LIR
1 stop20h 00m
WestJet
Sat 3/101:15 p.m.
LIR
-
YOW
1 stop9h 05m
WestJet
Deal found 18/6C$ 508
Sun 15/118:40 a.m.
YOW
-
LIR
Nonstop5h 53m
Porter Airlines
Sun 22/112:35 p.m.
LIR
-
YOW
Nonstop5h 29m
Porter Airlines
Deal found 16/6C$ 515
Sun 1/115:40 a.m.
YOW
-
LIR
1 stop9h 49m
WestJet
Thu 17/123:20 p.m.
LIR
-
YOW
1 stop8h 22m
WestJet
Deal found 18/6C$ 517
Sun 29/115:40 a.m.
YOW
-
LIR
1 stop9h 49m
WestJet
Sat 12/128:00 a.m.
LIR
-
YOW
2 stops56h 21m
WestJet
Deal found 18/6C$ 518
Thu 10/92:00 p.m.
YOW
-
SJO
2 stops11h 40m
Avianca
Fri 18/95:05 a.m.
SJO
-
YOW
2 stops12h 05m
Avianca
Deal found 19/6C$ 521
Mon 26/109:45 a.m.
YYZ
-
LIR
Nonstop5h 44m
WestJet
Fri 6/117:50 a.m.
LIR
-
YYZ
2 stops21h 08m
WestJet
Deal found 17/6C$ 522
Wed 14/109:10 a.m.
YYZ
-
LIR
Nonstop5h 20m
Porter Airlines
Wed 21/101:30 p.m.
LIR
-
YYZ
Nonstop5h 25m
Porter Airlines
Deal found 17/6C$ 524
Thu 13/810:05 p.m.
YOW
-
SJO
2 stops12h 40m
Multiple Airlines
Thu 27/85:05 a.m.
SJO
-
YOW
2 stops12h 05m
Multiple Airlines
Deal found 16/6C$ 525
Fri 16/106:35 p.m.
YYZ
-
LIR
2 stops37h 50m
WestJet
Mon 26/102:20 p.m.
LIR
-
YYZ
Nonstop5h 21m
WestJet
Deal found 19/6C$ 525

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 20 June 2026.

Round-trip from

C$ 439

One-way from

C$ 262

Popular in

December

Cheapest in

September

Average price

C$ 627

Good round-trip deal

C$ 494 or less

Good one-way deal

C$ 299 or less
United Airlines
  • United Airlines
  • 15/11-22/11
  • 2 total stops
  • 49h 35m total
  • Ontario to Costa Rica
Search Deals
Air Canada
  • Air Canada
  • 29/8
  • Nonstop
  • 5h 15m total
  • Ontario to Costa Rica
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 88 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 20 June 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
Quickest round-trip

OttawaLiberia

YOW - LIR

YOWLIR

Ottawa

Wed 25/11

8:40 a.m.-1:33 p.m.

Nonstop5h 53m

Liberia

Fri 11/12

2:35 p.m.-9:04 p.m.

Nonstop5h 29m

C$ 531

TorontoLiberia

YTZ - LIR

YTZLIR

Toronto Island

Sat 7/11

2:55 p.m.-11:44 a.m.

2 stops45h 49m

Liberia

Sun 15/11

8:45 a.m.-10:06 a.m.

2 stops24h 21m

C$ 546

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Sat 17/10

9:30 p.m.-8:50 a.m.

2 stops13h 20m

San José Juan Santamaria Intl

Sat 24/10

9:25 a.m.-9:35 p.m.

1 stop10h 10m

C$ 624

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Tue 7/7

8:35 a.m.-7:12 a.m.

1 stop24h 37m

San José Juan Santamaria Intl

Tue 14/7

10:03 a.m.-12:40 a.m.

1 stop12h 37m

C$ 651

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Fri 20/11

5:25 p.m.-4:35 p.m.

1 stop24h 10m

Liberia

Sat 28/11

5:55 p.m.-10:20 p.m.

1 stop27h 25m

C$ 655

OttawaLiberia

YOW - LIR

YOWLIR

Ottawa

Sun 13/12

9:45 a.m.-11:44 a.m.

2 stops26h 59m

Liberia

Sun 20/12

8:35 a.m.-9:11 a.m.

2 stops23h 36m

C$ 657

TorontoLiberia

YYZ - LIR

YYZLIR

Toronto Pearson Intl

Sat 4/7

2:35 p.m.-9:50 a.m.

2 stops21h 15m

Liberia

Mon 13/7

3:27 p.m.-3:46 p.m.

2 stops22h 19m

C$ 661

TorontoLiberia

YYZ - LIR

YYZLIR

Toronto Pearson Intl

Sat 4/7

5:45 p.m.-12:10 p.m.

2 stops20h 25m

Liberia

Sat 18/7

3:27 p.m.-3:46 p.m.

2 stops22h 19m

C$ 661

OttawaLiberia

YOW - LIR

YOWLIR

Ottawa

Wed 8/7

5:20 p.m.-2:25 p.m.

2 stops23h 05m

Liberia

Tue 14/7

4:30 p.m.-10:05 p.m.

1 stop27h 35m

C$ 661

OttawaLiberia

YOW - LIR

YOWLIR

Ottawa

Fri 3/7

5:50 p.m.-12:10 p.m.

2 stops20h 20m

Liberia

Thu 9/7

4:30 p.m.-4:38 p.m.

1 stop22h 08m

C$ 661

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/6

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

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

Currently, November is the cheapest month in which you can book a flight from Region of Ontario to Costa Rica (average of C$ 544). Flying from Region of Ontario to Costa Rica in September is currently the most expensive (average of C$ 1,339). 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 20 June 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 36% versus a flight in the afternoon.

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.

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 5h 53m. Porter Airlines provides one of the quickest options available for as low as C$ 531. There are 3972 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$ 186), WestJet (C$ 191), and Air Transat (C$ 192).

  • 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, November is the cheapest month in which you can book a flight from Region of Ontario to Costa Rica (average of C$ 544). Flying from Region of Ontario to Costa Rica in September is currently the most expensive (average of C$ 1,339). 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.
Pearson Intl to San José flights
Pearson Intl to Panama City flights
Pierre Elliott Trudeau Intl to Panama City flights
Pierre Elliott Trudeau Intl to San José flights
Pierre Elliott Trudeau Intl to Guatemala City flights
Pierre Elliott Trudeau Intl to Liberia flights
Pearson Intl to Liberia flights
Pierre Elliott Trudeau Intl to San Salvador flights
Pearson Intl to San Salvador flights
Pearson Intl to Guatemala City flights
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Pierre Elliott Trudeau Intl to Managua flights
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Vancouver Intl to San José flights
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Pearson Intl to Philip S.W.Goldson flights
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Calgary to Philip S.W.Goldson flights
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Québec City to Guatemala City flights
Calgary to San José flights
Edmonton to Panama City flights
Calgary to Panama City flights
Ottawa to Guatemala City flights
Québec City to Liberia flights
Pierre Elliott Trudeau Intl to Coxen Hole flights
Ottawa to San Salvador flights
Vancouver Intl to San Pedro Sula flights
Victoria to Panama City flights
Edmonton to San José flights
Québec City to San Salvador flights
Toronto Island to Philip S.W.Goldson flights
London to Panama City flights
Ottawa to Panama City flights
Winnipeg to Panama City flights

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 20 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapestC$ 216AverageC$ 862FlexibilityNo cancel feeOn-time70%
Search Copa Airlines flights
United AirlinesCheapestC$ 218AverageC$ 556FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 237AverageC$ 850FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 265AverageC$ 737FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
American AirlinesCheapestC$ 296AverageC$ 705FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Porter AirlinesCheapestC$ 305AverageC$ 694FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 335AverageC$ 664FlexibilityNo cancel feeOn-time60%
Search WestJet flights
AviancaCheapestC$ 377AverageC$ 601FlexibilityNo 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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