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$185+ Cheap flights from Pierre Elliott Trudeau Intl (YUL) to Liberia (LIR)

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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — LIR
Jul 14 — Jul 211
Mon 7/14
Mon 7/21
1 adult, Economy
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Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to Liberia are usually found in October or November, booked 60 days in advance, depart on a Tuesday or Saturday and return on a Friday

Cheap flight deals from Pierre Elliott Trudeau Intl to Liberia

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to Liberia (LIR). 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 9, 2025.

Round-trip from

$420
(Porter Airlines)

One-way from

$185
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$638

Good round-trip deal

$407 or less
From Montreal Pierre Elliott Trudeau Intl to Liberia
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One-way flight from Montreal Pierre Elliott Trudeau Intl to Liberia
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Highest demand for flights based on searches. 5% potential increase in price ($32 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($19 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 Montreal Pierre Elliott Trudeau Intl to Liberia.
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Find flight deals from Pierre Elliott Trudeau Intl to Liberia

Cheapest flights from Pierre Elliott Trudeau Intl to Liberia
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Liberia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 9, 2025.

This Porter Airlines deal was found by Cheapflights users on 7/9. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:30 amYUL - LIR
1 stop9h 10mPorter Airlines
Wed 1/144:00 pmLIR - YUL
2 stops41h 10mPorter Airlines
Deal found 7/9$420
This Air Canada deal was found by Cheapflights users on 7/9. 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 11/116:00 amYUL - LIR
1 stop9h 45mAir Canada
Thu 11/203:45 pmLIR - YUL
1 stop15h 03mAir Canada
Deal found 7/9$422
This WestJet deal was found by Cheapflights users on 7/8. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/246:45 amYUL - LIR
1 stop7h 36mWestJet
Wed 10/11:25 pmLIR - YUL
1 stop9h 02mWestJet
Deal found 7/8$423
This Trip.com deal was found by Cheapflights users on 7/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/317:30 amYUL - LIR
Nonstop6h 00mAir Transat
Sun 9/1412:40 pmLIR - YUL
Nonstop5h 30mAir Transat
Deal found 7/8$425
This United Airlines deal was found by Cheapflights users on 7/8. 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.
Sat 9/203:41 pmYUL - LIR
2 stops22h 29mUnited Airlines
Tue 10/71:20 pmLIR - YUL
2 stops19h 20mUnited Airlines
Deal found 7/8$427
This American Airlines deal was found by Cheapflights users on 7/9. 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.
Thu 8/145:29 pmYUL - LIR
2 stops21h 30mAmerican Airlines
Thu 8/212:00 pmLIR - YUL
1 stop22h 54mAmerican Airlines
Deal found 7/9$428
This CheapOair deal was found by Cheapflights users on 7/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:00 pmYUL - LIR
1 stop19h 40mMultiple Airlines
Thu 1/83:40 pmLIR - YUL
2 stops20h 59mMultiple Airlines
Deal found 7/8$429
This Delta deal was found by Cheapflights users on 7/8. 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.
Tue 8/266:35 pmYUL - LIR
2 stops19h 25mDelta
Wed 9/31:25 pmLIR - YUL
1 stop8h 28mDelta
Deal found 7/8$516

Cheapflights Fare Finder

Customize your flight search to find flights from Pierre Elliott Trudeau Intl to Liberia 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 9, 2025.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Liberia that are best for you.

Fly from

Pierre Elliott Trudeau Intl

Fly to

Liberia

Route

Depart

Return

Price

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Tue 12/16

6:30 am-2:40 pm

1 stop9h 10m

Liberia

Wed 1/14

4:00 pm-10:10 am

2 stops41h 10m

$420

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Tue 11/11

6:00 am-2:45 pm

1 stop9h 45m

Liberia

Thu 11/20

3:45 pm-7:48 am

1 stop15h 03m

$422

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Wed 9/24

6:45 am-12:21 pm

1 stop7h 36m

Liberia

Wed 10/1

1:25 pm-12:27 am

1 stop9h 02m

$423

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sun 8/31

7:30 am-11:30 am

Nonstop6h 00m

Liberia

Sun 9/14

12:40 pm-8:10 pm

Nonstop5h 30m

$425

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sat 9/20

3:41 pm-12:10 pm

2 stops22h 29m

Liberia

Wed 10/1

1:20 pm-10:40 am

2 stops19h 20m

$427

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Thu 8/14

5:29 pm-12:59 pm

2 stops21h 30m

Liberia

Thu 8/21

2:00 pm-2:54 pm

1 stop22h 54m

$428

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

8:00 pm-2:40 pm

1 stop19h 40m

Liberia

Thu 1/8

3:40 pm-1:39 pm

2 stops20h 59m

$429

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Fri 10/17

2:20 pm-11:53 am

2 stops23h 33m

$185

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Wed 10/29

7:00 am-1:45 pm

1 stop8h 45m

$193

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Fri 10/31

7:25 pm-1:25 pm

1 stop20h 00m

$208

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/8

Showing 1-10 of 17 results
1
2

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

Have a flexible travel schedule? Discover the best time to fly to Liberia 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 Liberia

How far ahead should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Liberia?

Use this chart to determine the optimal time to book a round-trip flight from Pierre Elliott Trudeau Intl to Liberia. Price data was last updated on June 27, 2025.

To ensure you get the cheapest price possible for a flight from Montreal Pierre Elliott Trudeau Intl Airport to Liberia, you should look to book at least 60 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, October is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Liberia (average of $496). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Liberia in March is currently the most expensive (average of $710). 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 LIR?

Find hourly flight availability from Pierre Elliott Trudeau Intl to Liberia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 9, 2025.

A simple way to save on the total cost of your ticket is to fly from Montreal Pierre Elliott Trudeau Intl Airport to Liberia at noon. If you’re flexible enough to do this you can expect to save up to 41% on your trip compared to booking a flight in the morning.

Reviews of airlines servicing Liberia

Get insights into the airlines that provide service to Liberia. 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 Liberia. Reviews last updated July 9, 2025.
See what other customers who have flown with Porter Airlines, Delta, and Air Transat from Montreal Pierre Elliott Trudeau Intl Airport to Liberia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
303 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.7

Comfort

8.1

Food

7.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
Porter Airlines
8.0
Very good
303 reviews
Porter Airlines
8.0
Very good
303 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.7

Comfort

8.1

Food

7.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
Delta
8.0
Very good
7,954 reviews
Porter Airlines
8.0
Very good
303 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.7

Comfort

8.1

Food

7.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
Air Transat
7.8
Good
412 reviews
Porter Airlines
8.0
Very good
303 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.7

Comfort

8.1

Food

7.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
SWISS
7.5
Good
1,650 reviews
Porter Airlines
8.0
Very good
303 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.7

Comfort

8.1

Food

7.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
United Airlines
7.4
Good
8,842 reviews
Porter Airlines
8.0
Very good
303 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.7

Comfort

8.1

Food

7.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl to Liberia. 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 into for flights to Liberia from Montreal Pierre Elliott Trudeau Intl?

    Located just 7.7 mi from the city center, Liberia is the airport most travelers will use when flying to Liberia from Montreal Pierre Elliott Trudeau Intl. Booking flights from Montreal Pierre Elliott Trudeau Intl to Liberia (LIR) should be relatively easy as there are 0 daily inbound flights from Montreal Pierre Elliott Trudeau Intl from 4 different airlines.

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

    Flying on Porter Airlines is currently your cheapest option to Liberia, with prices starting at $420. Additional round-trip tickets that might be worth considering are offered by Air Canada and WestJet, with the lowest prices starting at $422 and $423, respectively. Porter Airlines is currently priced 26% below the average price you’ll pay for this route.

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

    The cheapest airlines for a one-way flight from Montreal Pierre Elliott Trudeau Intl Airport to Liberia are United Airlines ($185), Air Canada ($193), and Air Transat ($208).

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

    On average you can expect to pay $714 for a flight from Montreal Pierre Elliott Trudeau Intl Airport to Liberia. The cheapest flight overall is $314 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - Liberia) is currently priced at $425.

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

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

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

    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 Liberia.

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

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

    Currently, October is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Liberia (average of $496). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Liberia in March is currently the most expensive (average of $710). 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.

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Alternative routes for Pierre Elliott Trudeau Intl to Liberia

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Pierre Elliott Trudeau Intl to San José flights

Top 4 airlines flying from Pierre Elliott Trudeau Intl to Liberia

Discover the top 4 airlines that operate flights from Pierre Elliott Trudeau Intl to Liberia. 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 2,558,603 searches. Data last updated July 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$332Average$510FlexibilityNo cancel feeOn-time67%
WestJetCheapest$350Average$505FlexibilityNo cancel feeOn-time60%
Air TransatCheapest$402Average$645FlexibilityNo cancel feeOn-time50%
American AirlinesCheapest$515Average$814FlexibilityNo cancel feeOn-time71%

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