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Cheap flights from Ontario to Costa Rica from C$ 235

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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SJO
1 Sep — 8 Sep1
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 2 August 2026.

Mon 26/107:00 a.m.
YOW
-
LIR
1 stop8h 08m
Porter Airlines
Fri 6/112:35 p.m.
LIR
-
YOW
Nonstop5h 29m
Porter Airlines
Deal found 29/7C$ 374
Mon 30/116:45 p.m.
YOW
-
LIR
2 stops20h 23m
Porter Airlines
Wed 9/122:35 p.m.
LIR
-
YOW
Nonstop5h 29m
Porter Airlines
Deal found 30/7C$ 432
Wed 25/117:00 a.m.
YOW
-
LIR
1 stop8h 08m
Multiple Airlines
Wed 9/123:10 p.m.
LIR
-
YOW
1 stop8h 33m
Multiple Airlines
Deal found 28/7C$ 434
Mon 30/117:00 a.m.
YOW
-
LIR
1 stop10h 58m
Multiple Airlines
Wed 9/123:10 p.m.
LIR
-
YOW
1 stop8h 33m
Multiple Airlines
Deal found 31/7C$ 436
Mon 2/115:40 a.m.
YOW
-
LIR
1 stop9h 49m
WestJet
Fri 6/113:20 p.m.
LIR
-
YOW
1 stop8h 22m
WestJet
Deal found 28/7C$ 443
Mon 26/108:30 p.m.
YOW
-
LIR
1 stop18h 40m
Air Canada
Fri 6/113:10 p.m.
LIR
-
YOW
1 stop17h 05m
Air Canada
Deal found 29/7C$ 444
Mon 26/105:40 a.m.
YOW
-
LIR
1 stop9h 49m
Multiple Airlines
Fri 6/112:35 p.m.
LIR
-
YOW
Nonstop5h 29m
Multiple Airlines
Deal found 29/7C$ 451
Wed 28/105:40 a.m.
YOW
-
LIR
1 stop9h 49m
WestJet
Sun 8/113:20 p.m.
LIR
-
YOW
1 stop8h 22m
WestJet
Deal found 1/8C$ 458
Wed 2/125:40 a.m.
YOW
-
LIR
1 stop9h 49m
WestJet
Wed 16/123:20 p.m.
LIR
-
YOW
1 stop8h 22m
WestJet
Deal found 1/8C$ 460
Thu 10/129:30 a.m.
YYZ
-
LIR
Nonstop5h 38m
Porter Airlines
Thu 24/123:10 p.m.
LIR
-
YYZ
Nonstop5h 16m
Porter Airlines
Deal found 1/8C$ 476
Tue 17/119:30 a.m.
YYZ
-
LIR
Nonstop5h 38m
Porter Airlines
Thu 10/123:10 p.m.
LIR
-
YYZ
Nonstop5h 16m
Porter Airlines
Deal found 1/8C$ 483
Sun 1/119:45 a.m.
YYZ
-
LIR
Nonstop5h 44m
Multiple Airlines
Sun 8/113:10 p.m.
LIR
-
YYZ
Nonstop5h 16m
Multiple Airlines
Deal found 1/8C$ 486

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 2 August 2026.

Round-trip from

C$ 374

One-way from

C$ 235

Popular in

December

Cheapest in

October

Average price

C$ 689

Good round-trip deal

C$ 500 or less

Good one-way deal

C$ 265 or less
Porter Airlines
  • Porter Airlines
  • 26/10-6/11
  • 1 total stop
  • 13h 37m total
  • Ontario to Costa Rica
Search Deals
WestJet
  • WestJet
  • 8/11
  • Nonstop
  • 5h 44m total
  • Ontario to Costa Rica
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 2 August 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

OttawaLiberia

YOW - LIR

YOWLIR

Ottawa

Sun 17/1

6:15 a.m.-12:55 p.m.

1 stop31h 40m

Liberia

Sun 31/1

8:35 a.m.-9:31 p.m.

2 stops35h 56m

C$ 495

OttawaLiberia

YOW - LIR

YOWLIR

Ottawa

Mon 26/10

7:00 a.m.-1:08 p.m.

1 stop8h 08m

Liberia

Fri 30/10

2:10 p.m.-12:43 a.m.

1 stop8h 33m

C$ 496

OttawaLiberia

YOW - LIR

YOWLIR

Ottawa

Mon 26/10

8:30 p.m.-1:10 p.m.

1 stop18h 40m

Liberia

Fri 30/10

2:10 p.m.-3:57 p.m.

2 stops23h 47m

C$ 520

OttawaLiberia

YOW - LIR

YOWLIR

Ottawa

Tue 19/1

4:36 p.m.-12:56 p.m.

1 stop21h 20m

Liberia

Tue 26/1

5:15 p.m.-1:26 p.m.

1 stop19h 11m

C$ 527

OttawaLiberia

YOW - LIR

YOWLIR

Ottawa

Thu 31/12

4:36 p.m.-6:37 p.m.

2 stops27h 01m

Liberia

Thu 14/1

5:15 p.m.-3:10 p.m.

2 stops44h 55m

C$ 539

TorontoLiberia

YYZ - LIR

YYZLIR

Toronto Pearson Intl

Thu 7/1

9:00 p.m.-12:55 p.m.

1 stop16h 55m

Liberia

Thu 21/1

2:01 p.m.-5:59 p.m.

2 stops26h 58m

C$ 542

OttawaLiberia

YOW - LIR

YOWLIR

Ottawa

Fri 11/12

5:40 a.m.-7:01 a.m.

2 stops26h 21m

Liberia

Tue 22/12

3:20 p.m.-12:42 a.m.

1 stop8h 22m

C$ 548

TorontoLiberia

YYZ - LIR

YYZLIR

Toronto Pearson Intl

Wed 27/1

3:00 p.m.-12:55 p.m.

2 stops22h 55m

Liberia

Fri 5/2

5:15 p.m.-6:42 p.m.

2 stops24h 27m

C$ 551

TorontoLiberia

YYZ - LIR

YYZLIR

Toronto Pearson Intl

Mon 2/11

9:45 a.m.-2:29 p.m.

Nonstop5h 44m

Liberia

Fri 6/11

7:50 a.m.-11:35 p.m.

2 stops14h 45m

C$ 552

TorontoLiberia

YYZ - LIR

YYZLIR

Toronto Pearson Intl

Sun 17/1

6:10 a.m.-6:37 p.m.

1 stop13h 27m

Liberia

Sun 24/1

8:35 a.m.-1:33 p.m.

2 stops27h 58m

C$ 562

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

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, September is the cheapest month in which you can book a flight from Region of Ontario to Costa Rica (average of C$ 539). Flying from Region of Ontario to Costa Rica in December is currently the most expensive (average of C$ 836). 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 2 August 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 42% 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 8h 08m. United Airlines provides one of the quickest options available for as low as C$ 496. 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$ 184), Air Transat (C$ 190), and WestJet (C$ 194).

  • 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$ 539). Flying from Region of Ontario to Costa Rica in December is currently the most expensive (average of C$ 836). 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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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 2 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapestC$ 199AverageC$ 692FlexibilityNo cancel feeOn-time70%
Search Copa Airlines flights
United AirlinesCheapestC$ 203AverageC$ 534FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 229AverageC$ 809FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 263AverageC$ 713FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
American AirlinesCheapestC$ 293AverageC$ 695FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Porter AirlinesCheapestC$ 304AverageC$ 685FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 333AverageC$ 651FlexibilityNo cancel feeOn-time60%
Search WestJet flights
AviancaCheapestC$ 370AverageC$ 673FlexibilityNo 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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