HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Pierre Elliott Trudeau Intl

$162+ Cheap flights from Liberia (LIR) to Pierre Elliott Trudeau Intl (YUL)

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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
LIR — YUL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Liberia to Pierre Elliott Trudeau Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Liberia to Pierre Elliott Trudeau Intl

Discover tips and strategies to find the most affordable flight options for your journey from Liberia (LIR) to Pierre Elliott Trudeau Intl (YUL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$467
(Kiwi.com)

One-way from

$162
(FlightHub)

Popular in

September

Cheapest in

March

Average price

$584
From Liberia to Montreal Pierre Elliott Trudeau Intl
Search Deals
One-way flight from Liberia to Montreal Pierre Elliott Trudeau Intl
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($120 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Liberia to Pierre Elliott Trudeau Intl

Cheapest flights from Liberia to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Liberia to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/101:25 pmLIR - YUL
1 stop9h 12mWestJet
Mon 9/156:45 amYUL - LIR
1 stop7h 36mWestJet
Deal found 6/10$467
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/82:02 pmLIR - YUL
2 stops19h 43mAmerican Airlines
Sat 9/135:15 pmYUL - LIR
2 stops21h 46mAmerican Airlines
Deal found 6/10$481
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/712:40 pmLIR - YUL
Nonstop5h 30mMultiple Airlines
Wed 9/106:45 amYUL - LIR
1 stop7h 36mMultiple Airlines
Deal found 6/10$491
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/712:40 pmLIR - YUL
Nonstop5h 30mAir Transat
Sun 9/147:30 amYUL - LIR
Nonstop6h 00mAir Transat
Deal found 6/10$549
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/51:20 pmLIR - YUL
2 stops30h 09mUnited Airlines
Tue 9/164:55 pmYUL - LIR
2 stops21h 15mUnited Airlines
Deal found 6/10$634
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/71:25 pmLIR - YUL
1 stop8h 28mDelta
Thu 9/117:00 amYUL - LIR
2 stops31h 00mDelta
Deal found 6/10$733
This SWISS deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/104:35 pmLIR - YUL
2 stops67h 15mSWISS
Sun 9/146:35 pmYUL - LIR
3 stops70h 50mSWISS
Deal found 6/10$11,927

Cheapflights Fare Finder

Customize your flight search to find flights from Liberia to Pierre Elliott Trudeau Intl 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 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Liberia to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Liberia

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

LiberiaMontreal

LIR - YUL

LIRYUL

Liberia

Wed 9/10

1:25 pm-12:37 am

1 stop9h 12m

Montreal Pierre Elliott Trudeau Intl

Mon 9/15

6:45 am-12:21 pm

1 stop7h 36m

$467

LiberiaMontreal

LIR - YUL

LIRYUL

Liberia

Mon 9/8

2:02 pm-11:45 am

2 stops19h 43m

Montreal Pierre Elliott Trudeau Intl

Sat 9/13

5:15 pm-1:01 pm

2 stops21h 46m

$481

LiberiaMontreal

LIR - YUL

LIRYUL

Liberia

Sun 9/7

12:40 pm-8:10 pm

Nonstop5h 30m

Montreal Pierre Elliott Trudeau Intl

Wed 9/10

6:45 am-12:21 pm

1 stop7h 36m

$491

LiberiaMontreal

LIR - YUL

LIRYUL

Liberia

Sun 9/7

12:40 pm-8:10 pm

Nonstop5h 30m

Montreal Pierre Elliott Trudeau Intl

Sun 9/14

7:30 am-11:30 am

Nonstop6h 00m

$549

LiberiaMontreal

LIR - YUL

LIRYUL

Liberia

Fri 9/5

1:20 pm-9:29 pm

2 stops30h 09m

Montreal Pierre Elliott Trudeau Intl

Tue 9/16

4:55 pm-12:10 pm

2 stops21h 15m

$634

LiberiaMontreal

LIR - YUL

LIRYUL

Liberia

Sun 9/7

1:25 pm-11:53 pm

1 stop8h 28m

Montreal Pierre Elliott Trudeau Intl

Sun 9/14

6:00 am-12:00 pm

2 stops32h 00m

$733

LiberiaMontreal

LIR - YUL

LIRYUL

Liberia

Wed 9/10

4:35 pm-1:50 pm

2 stops67h 15m

Montreal Pierre Elliott Trudeau Intl

Sun 9/14

6:35 pm-3:25 pm

3 stops70h 50m

$11,927

LiberiaMontreal

LIR - YUL

LIRYUL

Liberia

Fri 10/31

4:20 pm-11:50 pm

Nonstop5h 30m

$162

LiberiaMontreal

LIR - YUL

LIRYUL

Liberia

Wed 6/25

1:25 pm-12:37 am

1 stop9h 12m

$204

LiberiaMontreal

LIR - YUL

LIRYUL

Liberia

Wed 10/29

12:55 pm-6:53 am

2 stops15h 58m

$226

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 14 results
1
2

Best time to book a flight from Liberia to Pierre Elliott Trudeau Intl

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

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

Currently, January is the cheapest month in which you can book a flight from Liberia to Montreal Pierre Elliott Trudeau Intl Airport (average of $270). Flying from Liberia to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of $409). 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 LIR to YUL?

Find hourly flight availability from Liberia to Pierre Elliott Trudeau Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 47% on flights from Liberia to Montreal Pierre Elliott Trudeau Intl Airport by exploring options for tickets in the morning.

Rainfall in Pierre Elliott Trudeau Intl by month

Plan your trip to Pierre Elliott Trudeau Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Montreal Pierre Elliott Trudeau Intl Airport ranges from 2.5 - 4.4 inches per month. August is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Montreal Pierre Elliott Trudeau Intl Airport when rainfall is around 2.5 in.

Temperature in Pierre Elliott Trudeau Intl by month

Plan your trip to Pierre Elliott Trudeau Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Montreal Pierre Elliott Trudeau Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

Reviews of airlines servicing Pierre Elliott Trudeau Intl

Get insights into the airlines that provide service to Pierre Elliott Trudeau Intl. 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 Pierre Elliott Trudeau Intl. Reviews last updated June 12, 2025.
Read through reviews of airlines operating flights from Liberia to Montreal, such as Delta, Air Transat and SWISS. 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
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Air Transat
7.8
Good
396 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
SWISS
7.5
Good
1,623 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Related info for your journey

Find useful and relevant information for your journey from Liberia to Pierre Elliott Trudeau Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Liberia to Montreal Pierre Elliott Trudeau Intl?

    For a flight from Liberia to Montreal Pierre Elliott Trudeau Intl, you will be flying from Liberia. Liberia (LIR) is just 7.7 mi from the center of the city. Liberia is the only Liberia airport and it handles 0 outbound flights to Montreal Pierre Elliott Trudeau Intl per day. 0 airlines have flights to Montreal Pierre Elliott Trudeau Intl from Liberia on a regular basis.

  • What are the cheapest airlines flying from Liberia to Montreal Pierre Elliott Trudeau Intl Airport round-trip?

    WestJet, at $467, was found to be the cheapest airline from Liberia to Montreal Pierre Elliott Trudeau Intl Airport.Alternate airlines to your destination round-trip include American Airlines and Air Transat. WestJet is currently priced 7% below the average price you’ll pay for this route.

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

    For one-way options, check prices for Air Transat. According to our data, you can fly for as low as $162. Users have also found prices from $204 and $226 on WestJet and Air Canada, respectively.

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

    Yes. In addition to deals on Liberia to Pierre Elliott Trudeau Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Liberia to Pierre Elliott Trudeau Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Liberia to Pierre Elliott Trudeau Intl.

  • Can I find deals for business class flights from Liberia to Pierre Elliott Trudeau Intl?

    Yes. Cheapflights offers flight deals from Liberia to Pierre Elliott Trudeau Intl 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 Liberia to Montreal Pierre Elliott Trudeau Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Liberia to Montreal Pierre Elliott Trudeau Intl Airport (average of $270). Flying from Liberia to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of $409). 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

Traveling to a place near Liberia?

Book flights to Liberia if you plan to visit one of these locations
Dorval
Laval
Brossard
Longueuil
Sherbrooke

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 Liberia to Pierre Elliott Trudeau Intl

See prices for flight routes from nearby airports that may be better suited for you.
San José to Pierre Elliott Trudeau Intl flights

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.