Find flights
Deals
When to book
Airlines
FAQs
English
Cheap flights from Montreal to Costa Rica from C$ 208
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 30/10. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — SJO
17 Oct — 24 Oct1
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 17 September 2025.
Round-trip from | C$ 442 |
|---|---|
One-way from | C$ 208 |
Popular in | December |
Cheapest in | November |
Average price | C$ 710 |
Good round-trip deal | C$ 465 or less |
Good one-way deal | C$ 255 or less |
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 17 September 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 17 September 2025.
Wed 26/119:15 a.m.YUL - SJO
2 stops27h 10mUnited Airlines
Sun 7/128:45 a.m.SJO - YUL
2 stops28h 15mUnited Airlines
Deal found 16/9C$ 446
Mon 17/1110:00 p.m.YUL - SJO
1 stop11h 50mAvianca
Wed 3/127:55 a.m.SJO - YUL
1 stop11h 40mAvianca
Deal found 16/9C$ 447
Fri 3/104:40 p.m.YUL - SJO
Nonstop5h 45mAir Canada
Thu 16/107:55 a.m.SJO - YUL
Nonstop5h 50mAir Canada
Deal found 14/9C$ 448
Tue 11/116:20 p.m.YUL - SJO
Nonstop5h 55mAir Canada
Wed 19/118:50 a.m.SJO - YUL
Nonstop5h 40mAir Canada
Deal found 16/9C$ 450
Mon 24/1110:00 p.m.YUL - SJO
1 stop22h 15mAvianca
Tue 2/125:00 a.m.SJO - YUL
1 stop7h 40mAvianca
Deal found 17/9C$ 451
Mon 3/1110:00 p.m.YUL - SJO
1 stop11h 50mAvianca
Sun 16/117:55 a.m.SJO - YUL
1 stop11h 40mAvianca
Deal found 15/9C$ 453
Mon 17/1110:00 p.m.YUL - SJO
1 stop18h 20mAvianca
Sun 23/111:45 a.m.SJO - YUL
1 stop17h 50mAvianca
Deal found 17/9C$ 454
Fri 28/112:13 p.m.YUL - SJO
1 stop23h 42mUnited Airlines
Fri 12/1211:28 p.m.SJO - YUL
2 stops20h 49mUnited Airlines
Deal found 14/9C$ 455
Fri 3/104:40 p.m.YUL - SJO
Nonstop5h 45mAir Canada
Wed 15/108:00 a.m.SJO - YUL
2 stops20h 47mAir Canada
Deal found 14/9C$ 457
Sun 23/116:20 p.m.YUL - SJO
Nonstop5h 55mAir Canada
Wed 10/128:35 a.m.SJO - YUL
1 stop13h 47mAir Canada
Deal found 14/9C$ 459
Wed 3/129:30 p.m.YUL - SJO
2 stops26h 25mAir Canada
Wed 10/128:35 a.m.SJO - YUL
1 stop22h 47mAir Canada
Deal found 15/9C$ 462
Sat 27/96:45 a.m.YUL - LIR
1 stop7h 36mWestJet
Wed 8/101:25 p.m.LIR - YUL
1 stop9h 02mWestJet
Deal found 16/9C$ 475
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 17 September 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
Wed 26/11
6:55 p.m.-11:55 p.m.
Nonstop6h 00m
San José Juan Santamaria Intl
Mon 15/12
1:15 a.m.-7:55 a.m.
Nonstop5h 40m
C$ 455
MontrealSan José
YUL - SJO
YULSJO
Montreal Pierre Elliott Trudeau Intl
Wed 29/10
3:00 p.m.-10:25 a.m.
2 stops21h 25m
San José Juan Santamaria Intl
Sat 8/11
2:05 p.m.-2:00 p.m.
1 stop22h 55m
C$ 464
MontrealSan José
YUL - SJO
YULSJO
Montreal Pierre Elliott Trudeau Intl
Wed 26/11
6:55 p.m.-11:55 p.m.
Nonstop6h 00m
San José Juan Santamaria Intl
Sat 6/12
12:55 a.m.-4:55 p.m.
1 stop15h 00m
C$ 472
MontrealLiberia
YUL - LIR
YULLIR
Montreal Pierre Elliott Trudeau Intl
Sun 8/2
6:00 a.m.-12:55 p.m.
1 stop31h 55m
Liberia
Fri 13/2
2:20 p.m.-1:46 p.m.
2 stops22h 26m
C$ 506
MontrealLiberia
YUL - LIR
YULLIR
Montreal Pierre Elliott Trudeau Intl
Thu 8/1
7:00 p.m.-12:55 p.m.
2 stops18h 55m
Liberia
Tue 20/1
8:35 a.m.-7:45 a.m.
2 stops22h 10m
C$ 512
MontrealLiberia
YUL - LIR
YULLIR
Montreal Pierre Elliott Trudeau Intl
Sat 21/2
1:10 p.m.-12:55 p.m.
1 stop24h 45m
Liberia
Wed 11/3
7:50 a.m.-7:45 a.m.
2 stops21h 55m
C$ 512
MontrealLiberia
YUL - LIR
YULLIR
Montreal Pierre Elliott Trudeau Intl
Fri 6/2
1:10 p.m.-1:00 p.m.
1 stop24h 50m
Liberia
Fri 6/3
2:01 p.m.-3:57 p.m.
1 stop24h 56m
C$ 512
MontrealLiberia
YUL - LIR
YULLIR
Montreal Pierre Elliott Trudeau Intl
Tue 17/2
6:00 p.m.-6:37 p.m.
1 stop25h 37m
Liberia
Tue 17/3
7:50 a.m.-7:45 a.m.
2 stops21h 55m
C$ 512
MontrealLiberia
YUL - LIR
YULLIR
Montreal Pierre Elliott Trudeau Intl
Thu 27/11
6:00 p.m.-6:37 p.m.
1 stop25h 37m
Liberia
Thu 4/12
2:20 p.m.-3:57 p.m.
2 stops24h 37m
C$ 512
MontrealLiberia
YUL - LIR
YULLIR
Montreal Pierre Elliott Trudeau Intl
Mon 5/1
8:00 p.m.-6:37 p.m.
2 stops23h 37m
Liberia
Mon 19/1
8:35 a.m.-10:20 a.m.
2 stops24h 45m
C$ 512
Showing 1-10 of 38 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, May is the cheapest month in which you can book a flight from Montreal to Costa Rica (average of C$ 486). Flying from Montreal 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 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 17 September 2025.
It’s typically best to fly out from Montreal to Costa Rica in the afternoon. Doing so could potentially save you 16% on the flight price compared to flying at noon, 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 Tuesday evenings when fares are most often at their lowest. Saturday afternoons 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 17 September 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.
Entertainment
7.0
Comfort
7.3
Overall
7.7
Crew
8.4
Boarding
7.9
Food
6.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Sep 2025
BOD - YUL
Entertainment
7.0
Comfort
7.3
Overall
7.7
Crew
8.4
Boarding
7.9
Food
6.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Sep 2025
BOD - YUL
Entertainment
7.0
Comfort
7.3
Overall
7.7
Crew
8.4
Boarding
7.9
Food
6.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Sep 2025
BOD - YUL
Entertainment
7.0
Comfort
7.3
Overall
7.7
Crew
8.4
Boarding
7.9
Food
6.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Sep 2025
BOD - YUL
Entertainment
7.0
Comfort
7.3
Overall
7.7
Crew
8.4
Boarding
7.9
Food
6.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Sep 2025
BOD - YUL
Entertainment
7.0
Comfort
7.3
Overall
7.7
Crew
8.4
Boarding
7.9
Food
6.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Sep 2025
BOD - 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.
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 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 17 September 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 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!