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Pierre Elliott Trudeau Intl

$158+ 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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
LIR — YUL
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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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 July 29, 2025.

Round-trip from

$336
(United Airlines)

One-way from

$158
(United Airlines)

Popular in

October

Cheapest in

March

Average price

$575

Good round-trip deal

$359 or less

Good one-way deal

$162 or less
From Liberia to Montreal Pierre Elliott Trudeau Intl
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One-way flight from Liberia to Montreal Pierre Elliott Trudeau Intl
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Highest demand for flights based on searches. 2% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Liberia to Montreal Pierre Elliott Trudeau Intl.
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Price to beat on a one-way flight from Liberia to Montreal Pierre Elliott Trudeau Intl.
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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 July 29, 2025.

This United Airlines deal was found by Cheapflights users on 7/27. 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 9/121:20 pmLIR - YUL
2 stops24h 50mUnited Airlines
Thu 9/252:20 pmYUL - LIR
2 stops23h 50mUnited Airlines
Deal found 7/27$336
This Gurufare deal was found by Cheapflights users on 7/28. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/273:20 pmLIR - YUL
1 stop8h 13mWestJet
Thu 12/46:45 amYUL - LIR
1 stop8h 44mWestJet
Deal found 7/28$428
This United deal was found by Cheapflights users on 7/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/101:20 pmLIR - YUL
1 stop23h 30mMultiple Airlines
Sat 10/254:30 pmYUL - LIR
1 stop21h 40mMultiple Airlines
Deal found 7/28$449
This Air Canada deal was found by Cheapflights users on 7/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/113:45 pmLIR - YUL
2 stops18h 55mAir Canada
Thu 12/117:00 amYUL - LIR
1 stop8h 45mAir Canada
Deal found 7/28$462
This Delta deal was found by Cheapflights users on 7/27. 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.
Thu 9/181:25 pmLIR - YUL
1 stop8h 31mDelta
Thu 9/254:55 pmYUL - LIR
2 stops21h 05mDelta
Deal found 7/27$523

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 July 29, 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

Fri 9/12

1:20 pm-4:10 pm

2 stops24h 50m

Montreal Pierre Elliott Trudeau Intl

Wed 9/24

9:45 am-12:10 pm

2 stops28h 25m

$336

LiberiaMontreal

LIR - YUL

LIRYUL

Liberia

Thu 11/27

3:20 pm-12:33 am

1 stop8h 13m

Montreal Pierre Elliott Trudeau Intl

Thu 12/4

6:45 am-2:29 pm

1 stop8h 44m

$428

LiberiaMontreal

LIR - YUL

LIRYUL

Liberia

Fri 10/10

1:20 pm-2:50 pm

1 stop23h 30m

Montreal Pierre Elliott Trudeau Intl

Sat 10/25

4:30 pm-12:10 pm

1 stop21h 40m

$449

LiberiaMontreal

LIR - YUL

LIRYUL

Liberia

Tue 11/11

3:45 pm-11:40 am

2 stops18h 55m

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

7:00 am-2:45 pm

1 stop8h 45m

$462

LiberiaMontreal

LIR - YUL

LIRYUL

Liberia

Thu 9/18

1:25 pm-11:56 pm

1 stop8h 31m

Montreal Pierre Elliott Trudeau Intl

Wed 9/24

5:00 pm-12:00 pm

2 stops21h 00m

$523

LiberiaMontreal

LIR - YUL

LIRYUL

Liberia

Wed 10/29

1:20 pm-7:48 pm

2 stops28h 28m

$158

LiberiaMontreal

LIR - YUL

LIRYUL

Liberia

Thu 11/6

2:50 pm-9:25 pm

Nonstop5h 35m

$183

LiberiaMontreal

LIR - YUL

LIRYUL

Liberia

Mon 11/3

3:20 pm-12:33 am

1 stop8h 13m

$187

LiberiaMontreal

LIR - YUL

LIRYUL

Liberia

Wed 1/14

5:15 pm-11:57 am

1 stop17h 42m

$221

LiberiaMontreal

LIR - YUL

LIRYUL

Liberia

Wed 9/24

1:25 pm-11:56 pm

1 stop8h 31m

$251

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 12 results
1
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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 July 29, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 41% on flights from Liberia to Montreal Pierre Elliott Trudeau Intl Airport by exploring options for tickets in the afternoon.

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 July 29, 2025.
Get a feel of what it's like to fly with Delta, Air Transat, and United Airlines from Liberia to Montreal Pierre Elliott Trudeau Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

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
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

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
7.7
Good
424 reviews
Delta
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

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
8,896 reviews
Delta
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

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
7,979 reviews

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

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.
WestJet
7.2
Good
2,972 reviews
Delta
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

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?

    United Airlines, at $336, was found to be the cheapest airline from Liberia to Montreal Pierre Elliott Trudeau Intl Airport.Alternate airlines to your destination round-trip include WestJet and Air Canada. United Airlines is currently priced 33% 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 United Airlines. According to our data, you can fly for as low as $158. Users have also found prices from $183 and $187 on Air Canada and WestJet, respectively.

  • What are the cheapest flights from Liberia to Montreal Pierre Elliott Trudeau Intl Airport?

    Looking at all options, your cheapest flight can be booked for $153. While the most popular route (Liberia - Montreal Pierre Elliott Trudeau Intl) can be booked for $596 on average our data indicates $577 when flying from Liberia to Montreal Pierre Elliott Trudeau Intl Airport.

  • 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 Montreal Pierre Elliott Trudeau Intl Airport?

Book flights to Montreal Pierre Elliott Trudeau Intl Airport if you plan to visit one of these locations
Longueuil
Laval
Brossard
Sherbrooke
Dorval

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