What are the cheapest airlines to fly from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica one-way?

For one-way options, check prices for Avianca. According to our data, you can fly for as low as C$ 223. Users have also found prices from C$ 224 and C$ 229 on Air Transat and Air Canada, respectively.

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.

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).

What are the most popular airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica?

When booking a flight from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica, you may want to consider flying on Air Transat, Air Canada or Avianca as they are the most popular for this route.

Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Costa Rica?

Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl 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$ 237+ Flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica

Cheap flight deals from Pierre Elliott Trudeau Intl to Costa Rica

Enter your travel dates to find the best prices.

Cheapest flights from Pierre Elliott Trudeau Intl to Costa Rica
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2025.

Wed 17/124:45 p.m.YUL - SJO

1 stop21h 11mUnited Airlines

Wed 24/122:05 p.m.SJO - YUL

1 stop22h 55mUnited Airlines

Deal found 16/12C$ 408

Tue 16/124:45 p.m.YUL - SJO

2 stops28h 54mUnited Airlines

Tue 23/122:05 p.m.SJO - YUL

1 stop30h 12mUnited Airlines

Deal found 16/12C$ 420

Wed 17/126:00 a.m.YUL - LIR

2 stops13h 37mUnited Airlines

Tue 30/123:50 p.m.LIR - YUL

2 stops21h 10mUnited Airlines

Deal found 16/12C$ 445

Wed 17/126:00 a.m.YUL - SJO

1 stop31h 56mUnited Airlines

Sat 20/122:30 p.m.SJO - YUL

1 stop28h 18mUnited Airlines

Deal found 16/12C$ 474

Wed 31/124:45 p.m.YUL - LIR

2 stops21h 25mUnited Airlines

Wed 14/12:20 p.m.LIR - YUL

2 stops22h 40mUnited Airlines

Deal found 15/12C$ 475

Tue 16/124:45 p.m.YUL - SJO

2 stops28h 54mUnited Airlines

Sat 20/122:30 p.m.SJO - YUL

1 stop28h 18mUnited Airlines

Deal found 16/12C$ 481

Wed 17/128:40 a.m.YUL - LIR

Nonstop6h 10mAir Canada

Tue 23/123:50 p.m.LIR - YUL

Nonstop5h 35mAir Canada

Deal found 16/12C$ 511

Wed 17/126:25 p.m.YUL - SJO

1 stop19h 31mUnited Airlines

Mon 29/126:30 a.m.SJO - YUL

1 stop9h 20mUnited Airlines

Deal found 16/12C$ 514

Wed 17/124:45 p.m.YUL - SJO

1 stop21h 11mUnited Airlines

Mon 22/122:20 p.m.SJO - YUL

2 stops22h 40mUnited Airlines

Deal found 16/12C$ 519

Wed 17/124:45 p.m.YUL - LIR

1 stop22h 55mUnited Airlines

Tue 23/123:50 p.m.LIR - YUL

2 stops28h 27mUnited Airlines

Deal found 16/12C$ 522

Wed 17/121:35 p.m.YUL - LIR

2 stops26h 05mUnited Airlines

Wed 24/128:35 a.m.LIR - YUL

1 stop31h 15mUnited Airlines

Deal found 17/12C$ 525

Wed 17/128:40 a.m.YUL - LIR

Nonstop6h 10mAir Canada

Tue 20/13:55 p.m.LIR - YUL

Nonstop5h 35mAir Canada

Deal found 17/12C$ 526

Best flights from Pierre Elliott Trudeau Intl to Costa Rica
Discover carefully curated flight deals from Pierre Elliott Trudeau Intl to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 18 December 2025.

Sat 24/16:00 a.m.YUL - SJO

2 stops32h 15mUnited Airlines

Fri 30/12:20 p.m.SJO - YUL

2 stops29h 57mUnited Airlines

Deal found 17/12C$ 420

Sun 25/16:55 p.m.YUL - SJO

Nonstop6h 00mAir Transat

Wed 28/11:15 a.m.SJO - YUL

Nonstop5h 40mAir Transat

Deal found 17/12C$ 457

Sat 24/16:00 a.m.YUL - SJO

2 stops15h 39mUnited Airlines

Mon 9/26:30 a.m.SJO - YUL

2 stops14h 12mUnited Airlines

Deal found 16/12C$ 420

Thu 22/14:45 p.m.YUL - SJO

2 stops26h 31mUnited Airlines

Wed 28/12:20 p.m.SJO - YUL

2 stops29h 57mUnited Airlines

Deal found 17/12C$ 420

Sat 17/14:45 p.m.YUL - SJO

1 stop21h 11mUnited Airlines

Thu 29/12:05 p.m.SJO - YUL

2 stops22h 23mUnited Airlines

Deal found 16/12C$ 420

Mon 26/14:45 p.m.YUL - SJO

2 stops21h 30mUnited Airlines

Thu 29/12:05 p.m.SJO - YUL

2 stops22h 23mUnited Airlines

Deal found 17/12C$ 420

Sat 21/26:00 a.m.YUL - LIR

1 stop31h 55mUnited Airlines

Thu 26/22:20 p.m.LIR - YUL

2 stops22h 08mUnited Airlines

Deal found 17/12C$ 445

Sat 21/24:45 p.m.YUL - LIR

1 stop21h 10mUnited Airlines

Fri 27/28:35 a.m.LIR - YUL

2 stops28h 25mUnited Airlines

Deal found 17/12C$ 445

Thu 15/12:13 p.m.YUL - LIR

2 stops29h 24mUnited Airlines

Mon 2/22:01 p.m.LIR - YUL

1 stop22h 59mUnited Airlines

Deal found 16/12C$ 445

Tue 20/13:00 p.m.YUL - LIR

2 stops28h 37mUnited Airlines

Wed 28/18:35 a.m.LIR - YUL

2 stops35h 42mUnited Airlines

Deal found 17/12C$ 445

Wed 21/16:00 a.m.YUL - LIR

2 stops13h 37mUnited Airlines

Wed 28/12:20 p.m.LIR - YUL

2 stops29h 57mUnited Airlines

Deal found 17/12C$ 445

Tue 20/14:45 p.m.YUL - LIR

2 stops21h 25mUnited Airlines

Mon 26/12:20 p.m.LIR - YUL

2 stops22h 40mUnited Airlines

Deal found 15/12C$ 445

Thu 29/14:45 p.m.YUL - LIR

1 stop21h 10mUnited Airlines

Fri 6/22:01 p.m.LIR - YUL

1 stop30h 16mUnited Airlines

Deal found 17/12C$ 445

Sun 18/12:13 p.m.YUL - LIR

2 stops23h 57mUnited Airlines

Wed 28/12:20 p.m.LIR - YUL

2 stops22h 40mUnited Airlines

Deal found 15/12C$ 445

Wed 4/34:45 p.m.YUL - LIR

2 stops19h 39mUnited Airlines

Mon 16/311:35 a.m.LIR - YUL

2 stops24h 25mUnited Airlines

Deal found 16/12C$ 445

Wed 7/14:45 p.m.YUL - LIR

1 stop21h 10mUnited Airlines

Thu 22/12:01 p.m.LIR - YUL

2 stops22h 27mUnited Airlines

Deal found 16/12C$ 478

Fri 16/16:00 a.m.YUL - LIR

2 stops13h 37mUnited Airlines

Fri 30/12:01 p.m.LIR - YUL

1 stop22h 59mUnited Airlines

Deal found 17/12C$ 486

Fri 9/17:00 p.m.YUL - SJO

2 stops19h 15mUnited Airlines

Fri 23/18:45 a.m.SJO - YUL

1 stop31h 05mUnited Airlines

Deal found 17/12C$ 519

Wed 18/27:00 p.m.YUL - SJO

2 stops24h 16mUnited Airlines

Thu 26/212:35 p.m.SJO - YUL

2 stops26h 26mUnited Airlines

Deal found 17/12C$ 519

Sat 24/14:45 p.m.YUL - SJO

1 stop21h 11mUnited Airlines

Tue 10/26:30 a.m.SJO - YUL

1 stop9h 20mUnited Airlines

Deal found 16/12C$ 521

Wed 11/36:00 p.m.YUL - SJO

1 stop29h 32mUnited Airlines

Mon 23/35:30 a.m.SJO - YUL

2 stops26h 50mUnited Airlines

Deal found 16/12C$ 521

Sun 25/16:00 p.m.YUL - SJO

1 stop20h 15mUnited Airlines

Sun 8/28:45 a.m.SJO - YUL

2 stops24h 35mUnited Airlines

Deal found 16/12C$ 521

Fri 17/45:50 p.m.YUL - SJO

2 stops18h 21mUnited Airlines

Fri 1/57:55 a.m.SJO - YUL

2 stops24h 26mUnited Airlines

Deal found 17/12C$ 521

Direct flights from Pierre Elliott Trudeau Intl to Costa Rica
Explore direct flight options from Pierre Elliott Trudeau Intl to Costa Rica based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 December 2025.

Sun 18/16:55 p.m.YUL - SJO

Nonstop6h 00mAir Transat

Fri 23/11:15 a.m.SJO - YUL

Nonstop5h 40mAir Transat

Deal found 17/12C$ 431

Fri 16/16:55 p.m.YUL - SJO

Nonstop6h 00mAir Transat

Mon 26/11:15 a.m.SJO - YUL

Nonstop5h 40mAir Transat

Deal found 15/12C$ 448

Mon 19/16:55 p.m.YUL - SJO

Nonstop6h 00mAir Transat

Fri 23/11:15 a.m.SJO - YUL

Nonstop5h 40mAir Transat

Deal found 17/12C$ 453

Mon 19/16:55 p.m.YUL - SJO

Nonstop6h 00mAir Transat

Wed 28/11:15 a.m.SJO - YUL

Nonstop5h 40mAir Transat

Deal found 16/12C$ 457

Fri 16/16:55 p.m.YUL - SJO

Nonstop6h 00mAir Transat

Wed 21/11:15 a.m.SJO - YUL

Nonstop5h 40mAir Transat

Deal found 16/12C$ 460

Thu 19/39:50 a.m.YUL - LIR

Nonstop6h 00mAir Canada

Tue 31/31:30 p.m.LIR - YUL

Nonstop5h 45mAir Canada

Deal found 17/12C$ 543

Wed 21/19:50 a.m.YUL - LIR

Nonstop6h 10mAir Canada

Wed 28/14:00 p.m.LIR - YUL

Nonstop5h 35mAir Canada

Deal found 16/12C$ 562

Fri 16/16:55 p.m.YUL - SJO

Nonstop6h 00mAir Transat

Fri 23/11:15 a.m.SJO - YUL

Nonstop5h 40mAir Transat

Deal found 16/12C$ 564

Fri 16/111:35 a.m.YUL - LIR

Nonstop6h 00mAir Transat

Tue 20/15:45 p.m.LIR - YUL

Nonstop5h 30mAir Transat

Deal found 16/12C$ 569

Sun 25/16:55 p.m.YUL - SJO

Nonstop6h 00mAir Transat

Mon 2/21:15 a.m.SJO - YUL

Nonstop5h 40mAir Transat

Deal found 16/12C$ 575

Wed 21/16:55 p.m.YUL - SJO

Nonstop6h 00mAir Transat

Wed 28/11:15 a.m.SJO - YUL

Nonstop5h 40mAir Transat

Deal found 16/12C$ 576

Wed 28/16:55 p.m.YUL - SJO

Nonstop6h 00mAir Transat

Sun 8/21:15 a.m.SJO - YUL

Nonstop5h 40mAir Transat

Deal found 16/12C$ 579

Last-minute flights from Pierre Elliott Trudeau Intl to Costa Rica
Discover last-minute flight deals from Pierre Elliott Trudeau Intl to Costa Rica. Data last updated 18 December 2025 and is based on user searches.

Wed 17/124:45 p.m.YUL - SJO

1 stop21h 11mUnited Airlines

Wed 24/122:05 p.m.SJO - YUL

1 stop22h 55mUnited Airlines

Deal found 16/12C$ 408

Tue 23/129:15 a.m.YUL - LIR

2 stops27h 09mUnited Airlines

Wed 31/123:50 p.m.LIR - YUL

2 stops21h 10mUnited Airlines

Deal found 16/12C$ 552

Tue 23/129:15 a.m.YUL - LIR

2 stops27h 09mUnited Airlines

Tue 30/123:50 p.m.LIR - YUL

2 stops20h 38mUnited Airlines

Deal found 17/12C$ 576

Tue 23/126:00 p.m.YUL - LIR

1 stop18h 24mUnited Airlines

Thu 15/12:20 p.m.LIR - YUL

2 stops24h 41mUnited Airlines

Deal found 16/12C$ 587

Wed 24/122:13 p.m.YUL - LIR

2 stops23h 57mUnited Airlines

Fri 16/18:35 a.m.LIR - YUL

2 stops35h 42mUnited Airlines

Deal found 17/12C$ 522

Fri 16/16:55 p.m.YUL - SJO

Nonstop6h 00mAir Transat

Mon 26/11:15 a.m.SJO - YUL

Nonstop5h 40mAir Transat

Deal found 15/12C$ 448

Sat 17/13:00 p.m.YUL - SJO

1 stop18h 40mAvianca

Thu 29/15:00 a.m.SJO - YUL

1 stop7h 40mAvianca

Deal found 16/12C$ 444

Sun 18/16:55 p.m.YUL - SJO

Nonstop6h 00mAir Transat

Fri 23/11:15 a.m.SJO - YUL

Nonstop5h 40mAir Transat

Deal found 17/12C$ 431

Tue 20/13:00 p.m.YUL - SJO

1 stop21h 25mAvianca

Tue 27/15:00 a.m.SJO - YUL

1 stop7h 40mAvianca

Deal found 16/12C$ 423

Thu 22/13:00 p.m.YUL - SJO

1 stop9h 40mAvianca

Tue 27/11:45 a.m.SJO - YUL

1 stop17h 50mAvianca

Deal found 17/12C$ 400

Sat 24/14:45 p.m.YUL - SJO

1 stop21h 11mUnited Airlines

Thu 29/12:05 p.m.SJO - YUL

2 stops22h 23mUnited Airlines

Deal found 17/12C$ 420

Sat 24/16:00 a.m.YUL - SJO

2 stops15h 39mUnited Airlines

Sun 8/28:45 a.m.SJO - YUL

2 stops28h 15mUnited Airlines

Deal found 16/12C$ 438

One-way flights from Pierre Elliott Trudeau Intl to Costa Rica
Search for one-way flight options from Pierre Elliott Trudeau Intl to Costa Rica. Find affordable one-way fares based on user searches. Data last updated 18 December 2025.

Sun 1/29:15 a.m.YUL - LIR

2 stops28h 40mUnited Airlines

Deal found 18/12C$ 237

Wed 14/14:45 p.m.YUL - LIR

1 stop21h 10mUnited Airlines

Deal found 17/12C$ 238

Thu 15/13:00 p.m.YUL - LIR

2 stops28h 37mUnited Airlines

Deal found 17/12C$ 245

Mon 9/311:00 p.m.YUL - SJO

1 stop11h 50mAvianca

Deal found 17/12C$ 247

Mon 16/210:00 p.m.YUL - SJO

1 stop11h 50mAvianca

Deal found 18/12C$ 248

Sun 8/36:55 p.m.YUL - SJO

Nonstop6h 00mAir Transat

Deal found 17/12C$ 252

Tue 27/13:00 p.m.YUL - SJO

1 stop9h 40mAvianca

Deal found 15/12C$ 254

Mon 12/18:00 a.m.YUL - SJO

1 stop29h 22mMultiple Airlines

Deal found 16/12C$ 259

Sat 17/14:45 p.m.YUL - SJO

1 stop21h 11mUnited Airlines

Deal found 16/12C$ 267

Wed 31/124:45 p.m.YUL - LIR

2 stops21h 25mUnited Airlines

Deal found 16/12C$ 267

Wed 11/311:00 p.m.YUL - SJO

1 stop11h 50mAvianca

Deal found 17/12C$ 269

Sat 28/36:45 a.m.YUL - LIR

2 stops33h 40mMultiple Airlines

Deal found 17/12C$ 269

Find flight deals from Pierre Elliott Trudeau Intl to Costa Rica

Round-trip from	C$ 400
One-way from	C$ 237
Popular in	July
Cheapest in	November
Average price	C$ 890
Good round-trip deal	C$ 541 or less
Good one-way deal	C$ 247 or less

Avianca
22/1-27/1
2 total stops
27h 30m total
Montreal to Costa Rica

Search Deals

United Airlines
1/2
2 total stops
28h 40m total
Montreal to Costa Rica

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (C$ 55 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 24 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to Costa Rica.

Search Deals

Price to beat on a one-way flight from Montreal Pierre Elliott Trudeau Intl to Costa Rica.

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Sat 24/1

6:00 a.m.-1:15 p.m.

2 stops32h 15m

San José Juan Santamaria Intl

Fri 30/1

2:20 p.m.-9:17 p.m.

2 stops29h 57m

C$ 420

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Sat 24/1

6:00 a.m.-8:39 p.m.

2 stops15h 39m

San José Juan Santamaria Intl

Mon 9/2

6:30 a.m.-9:42 p.m.

2 stops14h 12m

C$ 420

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Thu 22/1

4:45 p.m.-6:16 p.m.

2 stops26h 31m

San José Juan Santamaria Intl

Wed 28/1

2:20 p.m.-9:17 p.m.

2 stops29h 57m

C$ 420

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Sat 17/1

4:45 p.m.-12:56 p.m.

1 stop21h 11m

San José Juan Santamaria Intl

Thu 29/1

2:05 p.m.-1:28 p.m.

2 stops22h 23m

C$ 420

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Mon 26/1

4:45 p.m.-1:15 p.m.

2 stops21h 30m

San José Juan Santamaria Intl

Thu 29/1

2:05 p.m.-1:28 p.m.

2 stops22h 23m

C$ 420

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sat 21/2

6:00 a.m.-12:55 p.m.

1 stop31h 55m

Liberia

Thu 26/2

2:20 p.m.-1:28 p.m.

2 stops22h 08m

C$ 445

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sat 21/2

4:45 p.m.-12:55 p.m.

1 stop21h 10m

Liberia

Fri 27/2

8:35 a.m.-2:00 p.m.

2 stops28h 25m

C$ 445

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Thu 15/1

2:13 p.m.-6:37 p.m.

2 stops29h 24m

Liberia

Mon 2/2

2:01 p.m.-2:00 p.m.

1 stop22h 59m

C$ 445

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Tue 20/1

3:00 p.m.-6:37 p.m.

2 stops28h 37m

Liberia

Wed 28/1

8:35 a.m.-9:17 p.m.

2 stops35h 42m

C$ 445

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Wed 21/1

6:00 a.m.-6:37 p.m.

2 stops13h 37m

Liberia

Wed 28/1

2:20 p.m.-9:17 p.m.

2 stops29h 57m

C$ 445

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/12

Showing 1-10 of 41 results

...

Best time to book a flight from Pierre Elliott Trudeau Intl to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl Airport to Costa Rica

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica?

Currently, October is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica (average of C$ 200). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica in July is currently the most expensive (average of C$ 440). 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 YUL to CR?

One of the essential ways to save on airfare from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 32% on airfare.

What is the cheapest day to fly from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica?

Travelers seeking maximum savings on their Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How often are flights from Montreal to Costa Rica delayed?

About 18% of weekly flights between Montreal and Costa Rica have experienced delays in the past year, with the average delay time being 151 minutes.

What is the most punctual flight time for Montreal to Costa Rica flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Montreal to Costa Rica flights?

Over the past year, Air Transat has had the lowest number of delays on this route, with just 6% of flights being delayed.

Reviews of airlines servicing Costa Rica

See what other customers who have flown with Air Transat,Copa Airlines, andWestJet from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Air Transat

7.8

Good

483 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.

Air Transat

7.8

Good

483 reviews

Air Transat

7.8

Good

483 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sep 2025

YYZ - YUL

Copa Airlines

7.6

Good

1,556 reviews

Air Transat

7.8

Good

483 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sep 2025

YYZ - YUL

WestJet

7.2

Good

3,204 reviews

Air Transat

7.8

Good

483 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sep 2025

YYZ - YUL

Air Canada

7.1

Good

10,534 reviews

Air Transat

7.8

Good

483 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sep 2025

YYZ - YUL

Avianca

6.6

Okay

2,490 reviews

Air Transat

7.8

Good

483 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sep 2025

YYZ - YUL

Related info for your journey

How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica?
A quick flight from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica can take about 32h 15m. United Airlines provides one of the quickest options available for as low as C$ 420. There are 4065 km between Montreal Pierre Elliott Trudeau Intl Airport and Costa Rica.
What are the cheapest airlines to fly from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica one-way?
For one-way options, check prices for Avianca. According to our data, you can fly for as low as C$ 223. Users have also found prices from C$ 224 and C$ 229 on Air Transat and Air Canada, respectively.
What are the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica?
The cheapest flight price from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica is C$ 216. On average you can expect to pay C$ 583. The most popular route, (Montreal Pierre Elliott Trudeau Intl - Liberia), can usually be booked for C$ 415.
Can I find deals for flights from Pierre Elliott Trudeau Intl to Costa Rica that include hotel bookings?
Yes. In addition to deals on Pierre Elliott Trudeau Intl to Costa Rica flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Pierre Elliott Trudeau Intl to Costa Rica?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to Costa Rica.
Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Costa Rica?
Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl 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 Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica?
Currently, October is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica (average of C$ 200). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica in July is currently the most expensive (average of C$ 440). 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

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Top 10 airlines flying from Pierre Elliott Trudeau Intl to Costa Rica

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 331	AverageC$ 717	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Delta	CheapestC$ 345	AverageC$ 806	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Air Transat	CheapestC$ 354	AverageC$ 799	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
American Airlines	CheapestC$ 365	AverageC$ 810	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
United Airlines	CheapestC$ 404	AverageC$ 657	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Avianca	CheapestC$ 412	AverageC$ 594	FlexibilityNo cancel fee	On-time71%	Search Avianca flights
Copa Airlines	CheapestC$ 439	AverageC$ 845	FlexibilityNo cancel fee	On-time70%	Search Copa Airlines flights
Porter Airlines	CheapestC$ 475	AverageC$ 628	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
WestJet	CheapestC$ 477	AverageC$ 686	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
WestJet Encore	CheapestC$ 902	AverageC$ 1,065	FlexibilityNo cancel fee	On-timeN/A	Search WestJet Encore flights

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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica from C$ 237

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 1/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Pierre Elliott Trudeau Intl to Costa Rica

Cheapest flights from Pierre Elliott Trudeau Intl to Costa RicaExplore the most affordable flight options available from Pierre Elliott Trudeau Intl to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2025.

Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2025.

Find flight deals from Pierre Elliott Trudeau Intl to Costa Rica

Keep the following information in mind while searching for Pierre Elliott Trudeau Intl to Costa Rica flight deals. Data was last updated 18 December 2025.

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Best time to book a flight from Pierre Elliott Trudeau Intl to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Pierre Elliott Trudeau Intl with our price prediction graph.

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Everything you need to know about your flight from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica?

What is the cheapest time of day to fly from YUL to CR?

Find hourly flight availability from Pierre Elliott Trudeau Intl 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 18 December 2025.

What is the cheapest day to fly from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica?

Use this chart to determine the cheapest time to fly round-trip from Pierre Elliott Trudeau Intl to Costa Rica. Price data was last updated on 13 December 2025.

How often are flights from Montreal to Costa Rica delayed?

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Reviews of airlines servicing Costa Rica

See what other customers who have flown with Air Transat,Copa Airlines, andWestJet from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica have to say. You can also see how each airline compares 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 Pierre Elliott Trudeau Intl 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 Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica?

What are the cheapest airlines to fly from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica one-way?

What are the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica?

Can I find deals for flights from Pierre Elliott Trudeau Intl to Costa Rica that include hotel bookings?

How can I find direct flights from Pierre Elliott Trudeau Intl to Costa Rica?

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What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica?

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Alternative routes for Pierre Elliott Trudeau Intl to Costa Rica

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Top 10 airlines flying from Pierre Elliott Trudeau Intl to Costa Rica

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How does Cheapflights help users find flights from Pierre Elliott Trudeau Intl to Costa Rica?

Why should you use Cheapflights to find cheap flight tickets from Pierre Elliott Trudeau Intl to Costa Rica?

Can Cheapflights find flights from Pierre Elliott Trudeau Intl to Costa Rica with no change fees?

Can Cheapflights notify me if prices for flights from Pierre Elliott Trudeau Intl to Costa Rica become cheaper?

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Cheapest flights from Pierre Elliott Trudeau Intl to Costa Rica
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2025.