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 United Airlines (C$ 197), WestJet (C$ 242), and Avianca (C$ 251).

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

Users have found that booking a flight from Region of Ontario to Costa Rica at least 51 days early can save you up to 26% on average compared to booking a flight this week. If booking 51 days before your flight isn’t an option for you, users have found flights from Region of Ontario to Costa Rica for as little as C$ 723 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as C$ 772 for flights departing within the next 3 days.

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

September is one of the best times of the year to fly to Costa Rica from Region of Ontario. Prices for September average C$ 775 per person but you can even find prices for as low as C$ 318. The most expensive prices can be found in the month of December. Opting for a September flight can save you 62% on your journey compared to booking in December

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.

C$ 470+ Flights from Ontario to Costa Rica - Compare & Save Big

Cheap flight deals from Ontario to Costa Rica

Round-trip from	C$ 338
One-way from	C$ 197
Popular in	December
Cheapest in	September
Average price	C$ 723
Good round-trip deal	C$ 618 or less
Good one-way deal	C$ 218 or less

United Airlines
10/6-17/6
4 total stops
39h 28m total
Ontario to Costa Rica

Search Deals

United Airlines
24/5
1 total stop
20h 28m total
Ontario to Costa Rica

Search Deals

Highest demand for flights based on searches. 16% potential increase in price (C$ 204 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease (C$ 63 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

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

Find flight deals from Ontario to Costa Rica

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 30 April 2025.

Tue 10/65:25 p.m.YOW - LIR

2 stops18h 35mUnited Airlines

Tue 17/611:05 a.m.LIR - YOW

2 stops20h 53mUnited Airlines

Deal found 29/4C$ 338

Tue 10/611:50 p.m.YYZ - SJO

1 stop16h 15mAvianca

Thu 19/69:35 a.m.SJO - YYZ

1 stop12h 54mAvianca

Deal found 29/4C$ 394

Tue 27/59:00 a.m.YYZ - LIR

Nonstop5h 24mWestJet

Sat 14/61:25 p.m.LIR - YYZ

Nonstop5h 26mWestJet

Deal found 29/4C$ 408

Sun 18/57:50 p.m.YYZ - LIR

1 stop18h 20mUnited Airlines

Tue 10/63:25 p.m.LIR - YYZ

2 stops21h 17mUnited Airlines

Deal found 28/4C$ 430

Fri 13/69:00 a.m.YYZ - LIR

Nonstop5h 24mMultiple Airlines

Thu 26/611:05 a.m.LIR - YYZ

2 stops20h 59mMultiple Airlines

Deal found 29/4C$ 466

Sat 31/58:40 a.m.YYZ - LIR

Nonstop5h 20mAir Canada

Sat 7/612:35 p.m.LIR - YYZ

Nonstop5h 30mAir Canada

Deal found 29/4C$ 484

Tue 3/68:41 a.m.YUL - SJO

1 stop12h 18mCopa Airlines

Tue 17/68:46 a.m.SJO - YUL

1 stop13h 54mCopa Airlines

Deal found 29/4C$ 486

Thu 5/66:30 a.m.YYZ - SJO

2 stops29h 57mMultiple Airlines

Wed 11/612:28 p.m.SJO - YYZ

1 stop23h 37mMultiple Airlines

Deal found 29/4C$ 497

Thu 29/59:00 a.m.YYZ - SJO

1 stop9h 22mCopa Airlines

Mon 9/610:57 a.m.SJO - YYZ

1 stop12h 16mCopa Airlines

Deal found 29/4C$ 508

Sun 14/911:25 p.m.YUL - SJO

1 stop11h 55mAvianca

Sat 20/94:45 p.m.SJO - YUL

1 stop27h 20mAvianca

Deal found 29/4C$ 519

Fri 6/611:25 p.m.YUL - SJO

1 stop11h 55mMultiple Airlines

Mon 9/612:28 p.m.SJO - YUL

2 stops29h 29mMultiple Airlines

Deal found 28/4C$ 527

Tue 13/51:29 p.m.YYZ - SJO

1 stop10h 48mAmerican Airlines

Tue 20/511:59 p.m.SJO - YYZ

1 stop10h 31mAmerican Airlines

Deal found 29/4C$ 529

Best flights from Ontario to Costa Rica
Discover carefully curated flight deals from Ontario to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 April 2025.

Tue 10/65:25 p.m.YOW - LIR

2 stops18h 35mUnited Airlines

Tue 17/611:05 a.m.LIR - YOW

2 stops20h 53mUnited Airlines

Deal found 29/4C$ 338

Tue 10/611:50 p.m.YYZ - SJO

1 stop16h 15mAvianca

Thu 19/69:35 a.m.SJO - YYZ

1 stop12h 54mAvianca

Deal found 29/4C$ 394

Tue 27/59:00 a.m.YYZ - LIR

Nonstop5h 24mWestJet

Sat 14/61:25 p.m.LIR - YYZ

Nonstop5h 26mWestJet

Deal found 29/4C$ 408

Fri 13/69:00 a.m.YYZ - LIR

Nonstop5h 24mMultiple Airlines

Thu 26/611:05 a.m.LIR - YYZ

2 stops20h 59mMultiple Airlines

Deal found 29/4C$ 466

Sat 31/58:40 a.m.YYZ - LIR

Nonstop5h 20mAir Canada

Sat 7/612:35 p.m.LIR - YYZ

Nonstop5h 30mAir Canada

Deal found 29/4C$ 484

Tue 3/68:41 a.m.YUL - SJO

1 stop12h 18mCopa Airlines

Tue 17/68:46 a.m.SJO - YUL

1 stop13h 54mCopa Airlines

Deal found 29/4C$ 486

Tue 13/56:00 a.m.YYZ - SJO

1 stop14h 35mAmerican Airlines

Wed 14/511:59 p.m.SJO - YYZ

1 stop10h 31mAmerican Airlines

Deal found 29/4C$ 529

Sun 19/107:30 a.m.YUL - LIR

Nonstop6h 00mAir Transat

Fri 31/104:20 p.m.LIR - YUL

Nonstop5h 30mAir Transat

Deal found 29/4C$ 666

Sat 3/56:15 a.m.YYZ - LIR

1 stop7h 22mDelta

Wed 7/51:25 p.m.LIR - YYZ

1 stop8h 30mDelta

Deal found 29/4C$ 703

Sun 18/57:50 p.m.YYZ - LIR

1 stop18h 20mUnited Airlines

Tue 10/63:25 p.m.LIR - YYZ

2 stops21h 17mUnited Airlines

Deal found 28/4C$ 430

Mon 26/57:00 a.m.YUL - LIR

1 stop8h 26mWestJet Encore

Wed 11/612:45 p.m.LIR - YUL

1 stop8h 35mWestJet Encore

Deal found 29/4C$ 973

Thu 5/66:30 a.m.YYZ - SJO

2 stops29h 57mMultiple Airlines

Wed 11/612:28 p.m.SJO - YYZ

1 stop23h 37mMultiple Airlines

Deal found 29/4C$ 497

Direct flights from Ontario to Costa Rica
Explore direct flight options from Ontario to Costa Rica based on user searches, and compare prices and availability for your desired travel dates. Data last updated 30 April 2025.

Tue 27/59:00 a.m.YYZ - LIR

Nonstop5h 24mWestJet

Sat 14/61:25 p.m.LIR - YYZ

Nonstop5h 26mWestJet

Deal found 29/4C$ 408

Sat 31/58:40 a.m.YYZ - LIR

Nonstop5h 20mAir Canada

Sat 7/612:35 p.m.LIR - YYZ

Nonstop5h 30mAir Canada

Deal found 29/4C$ 484

Thu 29/57:25 p.m.YYZ - SJO

Nonstop5h 25mAir Canada

Wed 4/68:00 a.m.SJO - YYZ

Nonstop5h 25mAir Canada

Deal found 29/4C$ 590

Fri 30/54:40 p.m.YUL - SJO

Nonstop5h 45mAir Canada

Sat 7/67:55 a.m.SJO - YUL

Nonstop5h 50mAir Canada

Deal found 29/4C$ 657

Sun 15/67:30 a.m.YUL - LIR

Nonstop6h 00mAir Transat

Sun 22/612:40 p.m.LIR - YUL

Nonstop5h 30mAir Transat

Deal found 29/4C$ 687

Sat 14/68:40 a.m.YYZ - LIR

Nonstop5h 20mMultiple Airlines

Fri 27/61:25 p.m.LIR - YYZ

Nonstop5h 26mMultiple Airlines

Deal found 29/4C$ 763

Fri 23/55:10 p.m.YYZ - SJO

Nonstop8h 25mAvianca

Sun 1/65:05 a.m.SJO - YYZ

Nonstop8h 05mAvianca

Deal found 28/4C$ 840

Last-minute flights from Ontario to Costa Rica
Discover last-minute flight deals from Ontario to Costa Rica. Data last updated 30 April 2025 and is based on user searches.

Thu 1/511:45 a.m.YYZ - LIR

1 stop25h 35mAmerican Airlines

Thu 8/52:26 p.m.LIR - YYZ

1 stop19h 33mAmerican Airlines

Deal found 29/4C$ 532

Sat 3/52:30 p.m.YYZ - SJO

2 stops23h 56mUnited Airlines

Wed 14/57:55 a.m.SJO - YYZ

2 stops24h 03mUnited Airlines

Deal found 29/4C$ 537

Mon 5/57:50 p.m.YYZ - LIR

1 stop18h 20mUnited Airlines

Mon 12/53:25 p.m.LIR - YYZ

1 stop18h 09mUnited Airlines

Deal found 29/4C$ 430

Mon 5/512:55 p.m.YYZ - SJO

1 stop7h 40mAmerican Airlines

Fri 16/52:15 p.m.SJO - YYZ

1 stop19h 44mAmerican Airlines

Deal found 29/4C$ 529

Mon 5/52:45 p.m.YYZ - SJO

2 stops23h 41mUnited Airlines

Mon 12/51:30 p.m.SJO - YYZ

2 stops20h 19mUnited Airlines

Deal found 29/4C$ 537

Mon 5/511:50 p.m.YYZ - SJO

1 stop11h 30mMultiple Airlines

Tue 13/512:28 p.m.SJO - YYZ

1 stop31h 22mMultiple Airlines

Deal found 29/4C$ 592

Mon 5/511:50 p.m.YYZ - SJO

1 stop18h 00mAvianca

Thu 15/51:40 a.m.SJO - YYZ

1 stop18h 50mAvianca

Deal found 29/4C$ 610

Tue 6/57:00 a.m.YUL - SJO

1 stop7h 50mAmerican Airlines

Fri 16/512:27 p.m.SJO - YUL

2 stops21h 17mAmerican Airlines

Deal found 29/4C$ 623

Tue 6/59:00 a.m.YYZ - SJO

1 stop9h 22mCopa Airlines

Sun 11/58:46 a.m.SJO - YYZ

1 stop14h 27mCopa Airlines

Deal found 29/4C$ 631

Tue 6/57:00 a.m.YUL - SJO

3 stops30h 33mMultiple Airlines

Mon 12/512:28 p.m.SJO - YUL

3 stops31h 47mMultiple Airlines

Deal found 28/4C$ 637

Tue 6/510:45 a.m.YTZ - SJO

3 stops25h 42mMultiple Airlines

Sun 11/511:32 a.m.SJO - YTZ

2 stops29h 55mMultiple Airlines

Deal found 29/4C$ 799

Thu 8/52:35 p.m.YUL - LIR

1 stop22h 45mAmerican Airlines

Mon 12/512:45 p.m.LIR - YUL

1 stop8h 35mAmerican Airlines

Deal found 29/4C$ 706

One-way flights from Ontario to Costa Rica
Search for one-way flight options from Ontario to Costa Rica. Find affordable one-way fares based on user searches. Data last updated 30 April 2025.

Sat 24/55:25 p.m.YOW - LIR

1 stop20h 28mUnited Airlines

Deal found 29/4C$ 197

Fri 2/52:45 p.m.YYZ - LIR

2 stops23h 10mUnited Airlines

Deal found 29/4C$ 198

Fri 20/69:00 a.m.YYZ - LIR

Nonstop5h 24mWestJet

Deal found 28/4C$ 242

Thu 22/511:50 p.m.YYZ - SJO

1 stop16h 15mAvianca

Deal found 29/4C$ 251

Fri 13/611:25 p.m.YUL - SJO

1 stop11h 55mAvianca

Deal found 29/4C$ 253

Wed 21/58:41 a.m.YUL - SJO

1 stop12h 07mCopa Airlines

Deal found 29/4C$ 257

Sun 25/510:20 a.m.YTZ - SJO

2 stops12h 05mAir Canada

Deal found 29/4C$ 266

Wed 28/57:15 a.m.YYZ - SJO

2 stops30h 18mMultiple Airlines

Deal found 29/4C$ 266

Sat 24/512:30 a.m.YYZ - SJO

2 stops21h 55mAir Canada

Deal found 29/4C$ 274

Wed 28/512:00 p.m.YTZ - SJO

2 stops24h 27mMultiple Airlines

Deal found 29/4C$ 287

Fri 2/59:00 a.m.YYZ - SJO

1 stop25h 20mCopa Airlines

Deal found 28/4C$ 289

Tue 1/76:00 a.m.YYZ - LIR

1 stop9h 15mAmerican Airlines

Deal found 29/4C$ 291

Cheapflights Fare Finder

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

OttawaLiberia

YOW - LIR

YOWLIR

Ottawa

Tue 10/6

5:25 p.m.-10:00 a.m.

2 stops18h 35m

Liberia

Tue 17/6

11:05 a.m.-9:58 a.m.

2 stops20h 53m

C$ 338

TorontoSan José

YYZ - SJO

YYZSJO

Toronto Pearson Intl

Tue 10/6

11:50 p.m.-2:05 p.m.

1 stop16h 15m

San José Juan Santamaria Intl

Thu 19/6

9:35 a.m.-12:29 a.m.

1 stop12h 54m

C$ 394

TorontoLiberia

YYZ - LIR

YYZLIR

Toronto Pearson Intl

Tue 27/5

9:00 a.m.-12:24 p.m.

Nonstop5h 24m

Liberia

Sat 14/6

1:25 p.m.-8:51 p.m.

Nonstop5h 26m

C$ 408

TorontoLiberia

YYZ - LIR

YYZLIR

Toronto Pearson Intl

Sun 18/5

2:45 p.m.-12:10 p.m.

2 stops23h 25m

Liberia

Tue 10/6

3:25 p.m.-2:42 p.m.

2 stops21h 17m

C$ 430

TorontoSan José

YYZ - SJO

YYZSJO

Toronto Pearson Intl

Mon 2/6

9:50 a.m.-10:27 a.m.

1 stop26h 37m

San José Juan Santamaria Intl

Wed 4/6

12:28 p.m.-2:05 p.m.

1 stop23h 37m

C$ 465

TorontoLiberia

YYZ - LIR

YYZLIR

Toronto Pearson Intl

Fri 13/6

9:00 a.m.-12:24 p.m.

Nonstop5h 24m

Liberia

Thu 26/6

11:05 a.m.-10:04 a.m.

2 stops20h 59m

C$ 466

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Tue 3/6

8:41 a.m.-6:59 p.m.

1 stop12h 18m

San José Juan Santamaria Intl

Tue 17/6

8:46 a.m.-12:40 a.m.

1 stop13h 54m

C$ 486

TorontoLiberia

YYZ - LIR

YYZLIR

Toronto Pearson Intl

Sat 14/6

8:40 a.m.-12:00 p.m.

Nonstop5h 20m

Liberia

Sat 21/6

1:00 p.m.-8:30 p.m.

Nonstop5h 30m

C$ 505

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Mon 2/6

11:25 p.m.-9:20 a.m.

1 stop11h 55m

San José Juan Santamaria Intl

Mon 16/6

7:45 p.m.-2:45 p.m.

1 stop17h 00m

C$ 525

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Fri 6/6

11:25 p.m.-9:20 a.m.

1 stop11h 55m

San José Juan Santamaria Intl

Mon 9/6

12:28 p.m.-7:57 p.m.

2 stops29h 29m

C$ 527

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/4

Showing 1-10 of 60 results

...

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$ 486). Flying from Region of Ontario to Costa Rica in December is currently the most expensive (average of C$ 683). 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?

When flying from Region of Ontario to Costa Rica, 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 Costa Rica by month

In terms of precipitation, rainfall in Costa Rica ranges from 0.0 - 300.0 mm per month. September is typically the wettest month, when rainfall can reach 300.0 mm. February is typically the driest time to visit Costa Rica when rainfall is around 0.0 mm.

Temperature in Costa Rica by month

If weather is an important factor for your trip to Costa Rica, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 18.0 C).

Reviews of airlines servicing Costa Rica

See what other customers who have flown with Delta, Alaska Airlines and Air Transat from Ontario to Costa Rica have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,929 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Tony,Apr 2024

MCO - ATL

Terrible flight crew that skipped our row for service multiple times.

Delta

8.0

Very good

7,929 reviews

Delta

8.0

Very good

7,929 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Tony,Apr 2024

MCO - ATL

Terrible flight crew that skipped our row for service multiple times.

Alaska Airlines

8.0

Very good

9,961 reviews

Delta

8.0

Very good

7,929 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Tony,Apr 2024

MCO - ATL

Terrible flight crew that skipped our row for service multiple times.

Air Transat

7.8

Good

385 reviews

Delta

8.0

Very good

7,929 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Tony,Apr 2024

MCO - ATL

Terrible flight crew that skipped our row for service multiple times.

Copa Airlines

7.5

Good

1,411 reviews

Delta

8.0

Very good

7,929 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Tony,Apr 2024

MCO - ATL

Terrible flight crew that skipped our row for service multiple times.

SWISS

7.5

Good

1,588 reviews

Delta

8.0

Very good

7,929 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Tony,Apr 2024

MCO - ATL

Terrible flight crew that skipped our row for service multiple times.

Related info for your journey

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 United Airlines (C$ 197), WestJet (C$ 242), and Avianca (C$ 251).
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$ 486). Flying from Region of Ontario to Costa Rica in December is currently the most expensive (average of C$ 683). 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

Alternative routes for Ontario to Costa Rica

Pierre Elliott Trudeau Intl to San José flights

Pearson Intl to San José flights

Pierre Elliott Trudeau Intl to Panama City flights

Pearson Intl to Panama City flights

Pierre Elliott Trudeau Intl to Guatemala City flights

Pierre Elliott Trudeau Intl to Liberia flights

Pierre Elliott Trudeau Intl to San Salvador flights

Pearson Intl to San Salvador flights

Pearson Intl to Liberia flights

Vancouver Intl to Guatemala City flights

Pierre Elliott Trudeau Intl to Managua flights

Vancouver Intl to San José flights

Vancouver Intl to Panama City flights

Vancouver Intl to San Salvador flights

Pearson Intl to Philip S.W.Goldson flights

Pearson Intl to Guatemala City flights

Halifax to Guatemala City flights

Québec City to San José flights

Vancouver Intl to Managua flights

Toronto Island to San Salvador flights

Québec City to Liberia flights

Calgary to Liberia flights

Vancouver Intl to Liberia flights

Pearson Intl to Coxen Hole flights

Pierre Elliott Trudeau Intl to Philip S.W.Goldson flights

Québec City to San Salvador flights

Pierre Elliott Trudeau Intl to Coxen Hole flights

Toronto Island to San José flights

Pierre Elliott Trudeau Intl to San Pedro Sula flights

Pearson Intl to Managua flights

Vancouver Intl to Philip S.W.Goldson flights

Winnipeg to San Salvador flights

Edmonton to Panama City flights

Calgary to San José flights

Halifax to San José flights

Vancouver Intl to San Pedro Sula flights

Calgary to San Salvador flights

Pearson Intl to San Pedro Sula flights

Calgary to Panama City flights

Winnipeg to Panama City flights

Pierre Elliott Trudeau Intl to Flores flights

Halifax to Philip S.W.Goldson flights

Ottawa to Panama City flights

Calgary to Philip S.W.Goldson flights

Edmonton to San José flights

Québec City to Managua flights

Edmonton to San Salvador flights

Ottawa to San Salvador flights

Top 10 airlines flying from Ontario to Costa Rica

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	CheapestC$ 327	AverageC$ 612	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Copa Airlines	CheapestC$ 331	AverageC$ 766	FlexibilityNo cancel fee	On-time70%	Search Copa Airlines flights
Air Canada	CheapestC$ 337	AverageC$ 1,120	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
WestJet	CheapestC$ 356	AverageC$ 694	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Arajet	CheapestC$ 375	AverageC$ 523	FlexibilityNo cancel fee	On-timeN/A	Search Arajet flights
Air Transat	CheapestC$ 375	AverageC$ 833	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
Avianca	CheapestC$ 415	AverageC$ 829	FlexibilityNo cancel fee	On-time71%	Search Avianca flights
Delta	CheapestC$ 488	AverageC$ 748	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
American Airlines	CheapestC$ 505	AverageC$ 753	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Sunwing Airlines	CheapestC$ 648	AverageC$ 867	FlexibilityNo cancel fee	On-timeN/A	Search Sunwing Airlines flights

Fly with Cheapflights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Ontario to Costa Rica from C$ 197

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 24/5. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap 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 30 April 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Ontario to Costa Rica

Cheapest flights from Ontario to Costa RicaExplore 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 30 April 2025.

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 30 April 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Costa Rica that are best for you.

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.

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?

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 30 April 2025.

Rainfall in Costa Rica by month

Plan your trip to Costa Rica by taking into account the average rainfall totals by month.

Temperature in Costa Rica by month

Plan your trip to Costa Rica by taking into account the average temperature totals by month.

Reviews of airlines servicing Costa Rica

See what other customers who have flown with Delta, Alaska Airlines and Air Transat from Ontario to Costa Rica have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Ontario to Costa Rica

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?

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

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

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

100% Free

Book with Flexibility

Travel Smart

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 30 April 2025.