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Cheap flights from Ontario to Costa Rica from C$ 205
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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SJO
5 Aug — 12 Aug1
Round-trip
1 adult
Economy
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 31 July 2025.
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 31 July 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 31 July 2025.
Fri 28/112:15 p.m.YOW - LIR
2 stops23h 40mUnited Airlines
Thu 4/128:35 a.m.LIR - YOW
2 stops14h 19mUnited Airlines
Deal found 28/7C$ 339
Wed 3/123:05 p.m.YOW - LIR
1 stop24h 35mMultiple Airlines
Thu 11/123:40 p.m.LIR - YOW
2 stops39h 40mMultiple Airlines
Deal found 31/7C$ 437
Thu 7/81:55 a.m.YYZ - SJO
1 stop11h 20mAvianca
Mon 11/87:45 p.m.SJO - YYZ
1 stop8h 55mAvianca
Deal found 30/7C$ 450
Wed 27/86:10 a.m.YYZ - LIR
1 stop8h 00mUnited Airlines
Fri 5/91:20 p.m.LIR - YYZ
2 stops18h 44mUnited Airlines
Deal found 28/7C$ 488
Wed 3/128:50 p.m.YOW - LIR
2 stops18h 50mPorter Airlines
Thu 11/123:40 p.m.LIR - YOW
1 stop8h 02mPorter Airlines
Deal found 30/7C$ 490
Fri 21/119:45 a.m.YYZ - LIR
Nonstop5h 44mWestJet
Wed 26/113:20 p.m.LIR - YYZ
Nonstop5h 21mWestJet
Deal found 31/7C$ 491
Sun 26/105:40 a.m.YOW - LIR
1 stop9h 49mWestJet
Sun 2/113:20 p.m.LIR - YOW
1 stop8h 22mWestJet
Deal found 29/7C$ 501
Tue 26/86:30 a.m.YYZ - SJO
1 stop30h 42mMultiple Airlines
Mon 8/912:19 p.m.SJO - YYZ
1 stop23h 46mMultiple Airlines
Deal found 31/7C$ 506
Wed 26/117:15 a.m.YOW - LIR
1 stop8h 30mAir Canada
Wed 3/123:45 p.m.LIR - YOW
2 stops19h 37mAir Canada
Deal found 28/7C$ 511
Wed 26/119:45 a.m.YYZ - LIR
Nonstop5h 44mMultiple Airlines
Sat 6/123:35 p.m.LIR - YYZ
Nonstop5h 10mMultiple Airlines
Deal found 31/7C$ 518
Tue 30/1210:00 a.m.YYZ - LIR
Nonstop5h 40mPorter Airlines
Thu 29/13:40 p.m.LIR - YYZ
Nonstop5h 15mPorter Airlines
Deal found 29/7C$ 523
Thu 28/86:00 a.m.YYZ - LIR
1 stop7h 45mAmerican Airlines
Thu 4/92:02 p.m.LIR - YYZ
1 stop20h 28mAmerican Airlines
Deal found 31/7C$ 533
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 31 July 2025.
Use the filters below to find and compare flights from Ontario to Costa Rica that are best for you.
Fly from
Ontario
Fly to
Costa Rica
Route
Depart
Return
Price
OttawaLiberia
YOW - LIR
YOWLIR
Ottawa
Fri 28/11
2:15 p.m.-12:55 p.m.
2 stops23h 40m
Liberia
Fri 5/12
8:35 a.m.-9:18 p.m.
2 stops35h 43m
C$ 339
OttawaLiberia
YOW - LIR
YOWLIR
Ottawa
Wed 3/12
3:05 p.m.-2:40 p.m.
1 stop24h 35m
Liberia
Thu 11/12
3:40 p.m.-8:20 a.m.
2 stops39h 40m
C$ 437
TorontoSan José
YYZ - SJO
YYZSJO
Toronto Pearson Intl
Mon 22/9
11:50 p.m.-9:20 a.m.
1 stop11h 30m
San José Juan Santamaria Intl
Mon 6/10
5:05 a.m.-3:10 p.m.
1 stop8h 05m
C$ 453
TorontoLiberia
YYZ - LIR
YYZLIR
Toronto Pearson Intl
Thu 8/1
10:00 a.m.-2:40 p.m.
Nonstop5h 40m
Liberia
Thu 5/2
3:40 p.m.-9:55 p.m.
Nonstop5h 15m
C$ 488
OttawaLiberia
YOW - LIR
YOWLIR
Ottawa
Wed 3/12
8:50 p.m.-2:40 p.m.
2 stops18h 50m
Liberia
Thu 11/12
3:40 p.m.-12:42 a.m.
1 stop8h 02m
C$ 490
TorontoLiberia
YYZ - LIR
YYZLIR
Toronto Pearson Intl
Sun 9/11
6:10 a.m.-6:37 p.m.
1 stop13h 27m
Liberia
Fri 21/11
8:35 a.m.-10:40 a.m.
2 stops25h 05m
C$ 493
TorontoLiberia
YYZ - LIR
YYZLIR
Toronto Pearson Intl
Fri 9/1
9:00 a.m.-3:00 p.m.
1 stop31h 00m
Liberia
Tue 13/1
3:40 p.m.-9:55 p.m.
Nonstop5h 15m
C$ 494
TorontoLiberia
YTZ - LIR
YTZLIR
Toronto Island
Tue 6/1
7:45 a.m.-3:00 p.m.
2 stops32h 15m
Liberia
Wed 4/2
4:00 p.m.-6:15 p.m.
2 stops25h 15m
C$ 500
TorontoLiberia
YYZ - LIR
YYZLIR
Toronto Pearson Intl
Sun 23/11
9:45 a.m.-2:29 p.m.
Nonstop5h 44m
Liberia
Wed 26/11
3:20 p.m.-9:41 p.m.
Nonstop5h 21m
C$ 501
OttawaLiberia
YOW - LIR
YOWLIR
Ottawa
Sun 26/10
5:40 a.m.-1:29 p.m.
1 stop9h 49m
Liberia
Sun 2/11
3:20 p.m.-12:42 a.m.
1 stop8h 22m
C$ 501
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?
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 31 July 2025.
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.
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 31 July 2025.
Read through reviews of airlines operating flights from Ontario to Costa Rica, such as Alaska Airlines,Porter Airlines, andDelta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Boarding
8.1
Food
7.1
Entertainment
7.1
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Jul 2025
YEG - SEA
Overall
8.0
Boarding
8.1
Food
7.1
Entertainment
7.1
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Jul 2025
YEG - SEA
Overall
8.0
Boarding
8.1
Food
7.1
Entertainment
7.1
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Jul 2025
YEG - SEA
Overall
8.0
Boarding
8.1
Food
7.1
Entertainment
7.1
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Jul 2025
YEG - SEA
Overall
8.0
Boarding
8.1
Food
7.1
Entertainment
7.1
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Jul 2025
YEG - SEA
Overall
8.0
Boarding
8.1
Food
7.1
Entertainment
7.1
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Jul 2025
YEG - SEA
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.
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.
Top 10 airlines flying from Ontario to Costa Rica
Discover the top 10 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 31 July 2025.
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.