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$168+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — LIR
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
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 Wednesday or Sunday and return on a Monday

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 August 14, 2025.

Round-trip from

$409
(WestJet)

One-way from

$168
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$540

Good round-trip deal

$558 or less

Good one-way deal

$281 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. 3% potential increase in price ($20 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 August 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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Price to beat on a one-way 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 August 14, 2025.

This WestJet deal was found by Cheapflights users on 8/14. 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.
Sat 9/136:45 amYUL - LIR
1 stop7h 36mWestJet
Mon 9/221:25 pmLIR - YUL
1 stop9h 02mWestJet
Deal found 8/14$409
This WestJet deal was found by Cheapflights users on 8/14. 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.
Tue 12/26:45 amYUL - LIR
1 stop8h 44mWestJet
Tue 12/93:20 pmLIR - YUL
1 stop8h 13mWestJet
Deal found 8/14$412
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Sun 12/289:15 amYUL - LIR
2 stops27h 09mUnited Airlines
Thu 1/152:14 pmLIR - YUL
2 stops22h 32mUnited Airlines
Deal found 8/13$413
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Sun 11/309:25 amYUL - LIR
2 stops28h 45mUnited Airlines
Tue 12/98:35 amLIR - YUL
2 stops22h 10mUnited Airlines
Deal found 8/13$414
This United Airlines deal was found by Cheapflights users on 8/14. 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.
Sun 11/309:25 amYUL - LIR
2 stops28h 45mUnited Airlines
Sat 12/138:35 amLIR - YUL
2 stops28h 25mUnited Airlines
Deal found 8/14$415
This United Airlines deal was found by Cheapflights users on 8/12. 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.
Sun 10/59:45 amYUL - LIR
2 stops28h 25mUnited Airlines
Thu 10/91:20 pmLIR - YUL
2 stops28h 25mUnited Airlines
Deal found 8/12$416
This Porter Airlines deal was found by Cheapflights users on 8/13. 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 12/25:10 pmYUL - LIR
2 stops46h 30mPorter Airlines
Thu 12/113:40 pmLIR - YUL
1 stop7h 55mPorter Airlines
Deal found 8/13$417
This United Airlines deal was found by Cheapflights users on 8/13. 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 11/282:13 pmYUL - LIR
2 stops23h 42mUnited Airlines
Sun 12/142:20 pmLIR - YUL
2 stops29h 57mUnited Airlines
Deal found 8/13$419
This United Airlines deal was found by Cheapflights users on 8/14. 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 11/292:13 pmYUL - LIR
2 stops23h 57mUnited Airlines
Sat 12/68:35 amLIR - YUL
2 stops28h 25mUnited Airlines
Deal found 8/14$420
This United Airlines deal was found by Cheapflights users on 8/12. 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.
Wed 10/14:55 pmYUL - LIR
2 stops21h 15mUnited Airlines
Sat 10/41:03 pmLIR - YUL
1 stop19h 37mUnited Airlines
Deal found 8/12$421
This Porter Airlines deal was found by Cheapflights users on 8/13. 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.
Sun 12/76:45 amYUL - LIR
1 stop8h 55mPorter Airlines
Tue 12/163:40 pmLIR - YUL
1 stop17h 00mPorter Airlines
Deal found 8/13$422
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Wed 12/314:45 pmYUL - LIR
2 stops21h 25mUnited Airlines
Fri 1/98:50 amLIR - YUL
2 stops35h 11mUnited Airlines
Deal found 8/13$423

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 August 14, 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

Sat 9/13

6:45 am-12:21 pm

1 stop7h 36m

Liberia

Sat 9/20

1:25 pm-12:27 am

1 stop9h 02m

$409

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Mon 12/29

9:25 am-11:24 am

2 stops26h 59m

Liberia

Wed 2/11

8:50 am-7:45 am

2 stops21h 55m

$409

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Tue 8/26

4:55 pm-12:10 pm

2 stops21h 15m

Liberia

Sat 9/6

1:20 pm-10:40 am

2 stops19h 20m

$409

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sat 9/13

6:45 am-12:21 pm

1 stop7h 36m

Liberia

Mon 9/22

1:25 pm-12:27 am

1 stop9h 02m

$409

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Wed 11/26

6:45 am-2:29 pm

1 stop8h 44m

Liberia

Thu 12/11

12:50 pm-12:33 am

1 stop10h 43m

$412

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Wed 11/26

6:45 am-2:29 pm

1 stop8h 44m

Liberia

Tue 12/9

3:20 pm-12:33 am

1 stop8h 13m

$412

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sun 12/7

6:00 pm-2:40 pm

2 stops45h 40m

Liberia

Thu 12/11

3:40 pm-9:34 am

2 stops40h 54m

$413

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Tue 12/2

6:00 am-6:37 pm

2 stops13h 37m

Liberia

Sat 12/6

2:01 pm-2:00 pm

1 stop22h 59m

$413

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sat 10/11

9:45 am-12:10 pm

2 stops28h 25m

Liberia

Wed 10/22

1:20 pm-2:50 pm

1 stop23h 30m

$414

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Wed 10/15

8:30 am-12:10 pm

2 stops29h 40m

Liberia

Wed 10/22

1:20 pm-10:40 am

2 stops19h 20m

$414

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 20 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 August 8, 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 August 14, 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 August 14, 2025.
See what other customers who have flown with Air Transat, American Airlines, and WestJet 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.
Air Transat
7.7
Good
427 reviews

Crew

8.4

Boarding

7.9

Food

6.7

Comfort

7.3

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Air Transat
7.7
Good
427 reviews
Air Transat
7.7
Good
427 reviews

Crew

8.4

Boarding

7.9

Food

6.7

Comfort

7.3

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
American Airlines
7.2
Good
10,000 reviews
Air Transat
7.7
Good
427 reviews

Crew

8.4

Boarding

7.9

Food

6.7

Comfort

7.3

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
WestJet
7.2
Good
3,015 reviews
Air Transat
7.7
Good
427 reviews

Crew

8.4

Boarding

7.9

Food

6.7

Comfort

7.3

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Air Canada
7.1
Good
9,949 reviews
Air Transat
7.7
Good
427 reviews

Crew

8.4

Boarding

7.9

Food

6.7

Comfort

7.3

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.

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 Air Canada is currently your cheapest option to Liberia, with prices starting at $324. Additional round-trip tickets that might be worth considering are offered by WestJet and Air Transat, with the lowest prices starting at $350 and $380, respectively. Air Canada is currently priced 42% below the average price you’ll pay for this route.

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

    On average you can expect to pay $513 for a flight from Montreal Pierre Elliott Trudeau Intl Airport to Liberia. The cheapest flight overall is $266 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - Liberia) is currently priced at $307.

  • 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.

See more FAQs

Traveling to a place near Liberia?

Book flights to Liberia if you plan to visit one of these locations
Culebra

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Alternative routes for Pierre Elliott Trudeau Intl to Liberia

See prices for flight routes from nearby airports that may be better suited for you.
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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$324Average$506FlexibilityNo cancel feeOn-time67%
WestJetCheapest$350Average$493FlexibilityNo cancel feeOn-time60%
Air TransatCheapest$380Average$639FlexibilityNo cancel feeOn-time50%
American AirlinesCheapest$456Average$701FlexibilityNo cancel feeOn-time71%

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