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Cheap flights from Montreal to Costa Rica from C$ 203
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 15/11. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — SJO
27 Nov — 4 Dec1
Find flight deals from Montreal to Costa Rica
Cheapest flights from Montreal to Costa RicaExplore the most affordable flight options available from Montreal to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 October 2025.
Explore the most affordable flight options available from Montreal to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 October 2025.
Fri 28/112:13 p.m.YUL - SJO
2 stops22h 12mUnited Airlines
Sat 6/122:20 p.m.SJO - YUL
2 stops22h 40mUnited Airlines
Deal found 28/10C$ 410
Tue 28/107:00 a.m.YUL - LIR
2 stops12h 37mUnited Airlines
Tue 4/118:35 a.m.LIR - YUL
2 stops28h 25mUnited Airlines
Deal found 27/10C$ 415
Thu 4/122:13 p.m.YUL - LIR
2 stops29h 24mUnited Airlines
Mon 15/128:35 a.m.LIR - YUL
2 stops28h 25mUnited Airlines
Deal found 28/10C$ 417
Tue 28/106:00 a.m.YUL - LIR
1 stop9h 45mAir Canada
Fri 31/102:55 p.m.LIR - YUL
2 stops13h 44mAir Canada
Deal found 27/10C$ 418
Sun 26/106:20 p.m.YUL - SJO
Nonstop5h 55mAir Canada
Mon 3/118:50 a.m.SJO - YUL
Nonstop5h 40mAir Canada
Deal found 25/10C$ 422
Mon 27/101:30 p.m.YUL - SJO
1 stop10h 25mAir Canada
Mon 3/118:50 a.m.SJO - YUL
Nonstop5h 40mAir Canada
Deal found 26/10C$ 431
Sun 26/106:20 p.m.YUL - SJO
Nonstop5h 55mAir Canada
Mon 10/118:35 a.m.SJO - YUL
1 stop10h 18mAir Canada
Deal found 26/10C$ 432
Tue 2/122:13 p.m.YUL - LIR
2 stops29h 24mUnited Airlines
Thu 11/128:35 a.m.LIR - YUL
2 stops28h 25mUnited Airlines
Deal found 27/10C$ 432
Sun 2/115:00 a.m.YUL - LIR
2 stops13h 37mUnited Airlines
Sat 8/112:20 p.m.LIR - YUL
2 stops23h 56mUnited Airlines
Deal found 27/10C$ 434
Fri 12/122:13 p.m.YUL - LIR
2 stops29h 24mUnited Airlines
Mon 12/12:20 p.m.LIR - YUL
2 stops22h 40mUnited Airlines
Deal found 27/10C$ 435
Fri 28/116:00 a.m.YUL - SJO
2 stops15h 39mUnited Airlines
Mon 15/128:45 a.m.SJO - YUL
2 stops28h 15mUnited Airlines
Deal found 27/10C$ 446
Fri 28/116:00 a.m.YUL - LIR
1 stop31h 55mUnited Airlines
Fri 5/122:20 p.m.LIR - YUL
2 stops29h 57mUnited Airlines
Deal found 27/10C$ 446
Cheap flight deals from Montreal to Costa Rica
Keep the following information in mind while searching for Montreal to Costa Rica flight deals. Data was last updated 28 October 2025.
Round-trip from | C$ 410 |
|---|---|
One-way from | C$ 203 |
Popular in | December |
Cheapest in | November |
Average price | C$ 766 |
Good round-trip deal | C$ 463 or less |
Good one-way deal | C$ 283 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Montreal 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 28 October 2025.
Use the filters below to find and compare flights from Montreal to Costa Rica that are best for you.
Fly from
Montreal
Fly to
Costa Rica
Route
Depart
Return
Price
MontrealSan José
YUL - SJO
YULSJO
Montreal Pierre Elliott Trudeau Intl
Fri 28/11
2:13 p.m.-12:55 p.m.
1 stop23h 42m
San José Juan Santamaria Intl
Sat 6/12
2:30 p.m.-3:16 p.m.
1 stop23h 46m
C$ 410
MontrealLiberia
YUL - LIR
YULLIR
Montreal Pierre Elliott Trudeau Intl
Fri 5/12
2:13 p.m.-6:37 p.m.
2 stops29h 24m
Liberia
Fri 12/12
8:35 a.m.-9:17 p.m.
2 stops35h 42m
C$ 417
MontrealSan José
YUL - SJO
YULSJO
Montreal Pierre Elliott Trudeau Intl
Fri 28/11
6:00 a.m.-8:39 p.m.
2 stops15h 39m
San José Juan Santamaria Intl
Mon 15/12
8:45 a.m.-2:00 p.m.
2 stops28h 15m
C$ 446
MontrealLiberia
YUL - LIR
YULLIR
Montreal Pierre Elliott Trudeau Intl
Sat 7/2
4:45 p.m.-1:10 p.m.
2 stops21h 25m
Liberia
Thu 19/2
2:20 p.m.-2:00 p.m.
2 stops22h 40m
C$ 446
MontrealLiberia
YUL - LIR
YULLIR
Montreal Pierre Elliott Trudeau Intl
Thu 19/2
2:13 p.m.-12:55 p.m.
2 stops23h 42m
Liberia
Wed 4/3
2:20 p.m.-3:23 p.m.
2 stops24h 03m
C$ 446
MontrealLiberia
YUL - LIR
YULLIR
Montreal Pierre Elliott Trudeau Intl
Fri 9/1
4:45 p.m.-1:10 p.m.
2 stops21h 25m
Liberia
Wed 21/1
8:35 a.m.-9:17 p.m.
2 stops11h 42m
C$ 446
MontrealLiberia
YUL - LIR
YULLIR
Montreal Pierre Elliott Trudeau Intl
Fri 28/11
4:45 p.m.-1:10 p.m.
2 stops21h 25m
Liberia
Fri 5/12
8:35 a.m.-9:17 p.m.
2 stops35h 42m
C$ 446
MontrealLiberia
YUL - LIR
YULLIR
Montreal Pierre Elliott Trudeau Intl
Tue 13/1
7:00 a.m.-6:37 p.m.
2 stops12h 37m
Liberia
Thu 22/1
2:01 p.m.-2:00 p.m.
1 stop22h 59m
C$ 446
MontrealLiberia
YUL - LIR
YULLIR
Montreal Pierre Elliott Trudeau Intl
Fri 23/1
4:45 p.m.-6:37 p.m.
2 stops26h 52m
Liberia
Fri 30/1
2:20 p.m.-2:00 p.m.
2 stops22h 40m
C$ 446
MontrealLiberia
YUL - LIR
YULLIR
Montreal Pierre Elliott Trudeau Intl
Wed 7/1
2:13 p.m.-12:55 p.m.
2 stops23h 42m
Liberia
Thu 22/1
2:01 p.m.-2:00 p.m.
1 stop22h 59m
C$ 449
Showing 1-10 of 42 results
Best time to book a flight from Montreal to Costa Rica
Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Montreal 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 Montreal to Costa Rica
What is the cheapest month to book a flight from Montreal to Costa Rica?
Currently, November is the cheapest month in which you can book a flight from Montreal to Costa Rica (average of C$ 236). Flying from Montreal to Costa Rica in July is currently the most expensive (average of C$ 467). 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 YMQ to CR?
Find hourly flight availability from Montreal 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 28 October 2025.
It’s typically best to fly out from Montreal to Costa Rica in the evening. Doing so could potentially save you 37% on the flight price compared to flying in the morning, which is usually more expensive.
What is the cheapest day to fly from Montreal to Costa Rica?
Use this chart to determine the cheapest time to fly round-trip from Montreal to Costa Rica. Price data was last updated on 16 December 2024.
Travelers seeking maximum savings on their Montreal to Costa Rica flight should consider departing on Friday at noon when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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 28 October 2025.
Read through reviews of airlines operating flights from Montreal to Costa Rica, such as Air Transat,Copa Airlines, andWestJet. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Overall
7.8
Boarding
7.9
Comfort
7.4
Entertainment
7.1
Food
6.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
YYZ - YUL
Crew
8.5
Overall
7.8
Boarding
7.9
Comfort
7.4
Entertainment
7.1
Food
6.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
YYZ - YUL
Crew
8.5
Overall
7.8
Boarding
7.9
Comfort
7.4
Entertainment
7.1
Food
6.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
YYZ - YUL
Crew
8.5
Overall
7.8
Boarding
7.9
Comfort
7.4
Entertainment
7.1
Food
6.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
YYZ - YUL
Crew
8.5
Overall
7.8
Boarding
7.9
Comfort
7.4
Entertainment
7.1
Food
6.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
YYZ - YUL
Crew
8.5
Overall
7.8
Boarding
7.9
Comfort
7.4
Entertainment
7.1
Food
6.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
YYZ - YUL
Related info for your journey
Find useful and relevant information for your journey from Montreal to Costa Rica. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Montreal to Costa Rica
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from Montreal to Costa Rica
Discover the top 10 airlines that operate flights from Montreal 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 28 October 2025.
Fly with Cheapflights
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How does Cheapflights help users find flights from Montreal to Costa Rica?
When you search for this flight from Montreal to Costa Rica, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Montreal to Costa Rica?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Montreal to Costa Rica.
Can Cheapflights find flights from Montreal to Costa Rica with no change fees?
Certainly. Search results for flights to Costa Rica from Montreal 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 Montreal to Costa Rica become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!