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$145+ 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — LIR
Dec 12 — Dec 191
Fri 12/12
Fri 12/19
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 64 days in advance, depart on a Thursday or Wednesday 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 November 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$304
(United Airlines)

One-way from

$146
(United Airlines)

Popular in

February

Cheapest in

October

Average price

$446

Good round-trip deal

$476 or less

Good one-way deal

$334 or less
Provider with most accurate pricing for Montreal Pierre Elliott Trudeau Intl-Liberia flight deals.
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Provider most trusted by Cheapflights users for Montreal Pierre Elliott Trudeau Intl-Liberia flights.
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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. 8% potential increase in price ($52 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 12, 2025.

This United Airlines deal was found by Cheapflights users on 11/12. 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.
Tue 12/304:45 pmYUL - LIR
1 stop22h 55mUnited Airlines
Tue 1/132:20 pmLIR - YUL
2 stops29h 57mUnited Airlines
Deal found 11/12$304
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Fri 12/59:15 amYUL - LIR
2 stops28h 55mUnited Airlines
Sat 12/132:01 pmLIR - YUL
2 stops22h 27mUnited Airlines
Deal found 11/12$309
This United Airlines deal was found by Cheapflights users on 11/11. 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 11/163:00 pmYUL - LIR
2 stops23h 10mUnited Airlines
Tue 11/182:20 pmLIR - YUL
2 stops22h 08mUnited Airlines
Deal found 11/11$310
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Tue 12/94:45 pmYUL - LIR
2 stops21h 25mUnited Airlines
Tue 1/132:20 pmLIR - YUL
2 stops29h 57mUnited Airlines
Deal found 11/12$315
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Tue 11/184:45 pmYUL - LIR
2 stops21h 25mUnited Airlines
Tue 12/168:35 amLIR - YUL
2 stops12h 07mUnited Airlines
Deal found 11/11$316
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Thu 12/43:00 pmYUL - LIR
2 stops23h 10mUnited Airlines
Sat 12/132:01 pmLIR - YUL
1 stop22h 59mUnited Airlines
Deal found 11/11$319
This United deal was found by Cheapflights users on 11/12. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:00 pmYUL - LIR
2 stops19h 10mMultiple Airlines
Tue 11/185:15 pmLIR - YUL
1 stop17h 50mMultiple Airlines
Deal found 11/12$326
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Sat 11/156:00 pmYUL - LIR
1 stop20h 10mUnited Airlines
Sat 11/222:01 pmLIR - YUL
2 stops20h 29mUnited Airlines
Deal found 11/10$333
This United Airlines deal was found by Cheapflights users on 11/11. 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 11/156:00 pmYUL - LIR
1 stop20h 10mUnited Airlines
Tue 11/188:35 amLIR - YUL
2 stops22h 10mUnited Airlines
Deal found 11/11$335
This United Airlines deal was found by Cheapflights users on 11/11. 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 12/59:15 amYUL - LIR
2 stops28h 55mUnited Airlines
Wed 12/108:35 amLIR - YUL
2 stops29h 41mUnited Airlines
Deal found 11/11$341
This Porter Airlines deal was found by Cheapflights users on 11/12. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/61:40 pmYUL - LIR
1 stop25h 15mPorter Airlines
Wed 12/174:00 pmLIR - YUL
2 stops24h 45mPorter Airlines
Deal found 11/12$346

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 November 12, 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 1/10

4:45 pm-12:55 pm

1 stop21h 10m

Liberia

Fri 1/16

8:35 am-9:17 pm

2 stops35h 42m

$304

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Thu 2/5

4:45 pm-12:55 pm

1 stop21h 10m

Liberia

Thu 2/26

2:20 pm-2:00 pm

2 stops22h 40m

$304

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Tue 2/10

6:00 am-6:37 pm

2 stops13h 37m

Liberia

Thu 2/26

2:20 pm-2:00 pm

2 stops22h 40m

$304

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Mon 2/9

3:00 pm-1:10 pm

2 stops23h 10m

Liberia

Thu 2/26

2:20 pm-2:00 pm

2 stops22h 40m

$311

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sat 2/7

4:45 pm-12:55 pm

1 stop21h 10m

Liberia

Mon 2/23

2:01 pm-2:00 pm

1 stop22h 59m

$338

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sat 2/7

3:00 pm-12:55 pm

2 stops22h 55m

Liberia

Wed 2/25

8:35 am-2:00 pm

2 stops28h 25m

$338

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Thu 2/5

4:45 pm-1:10 pm

2 stops21h 25m

Liberia

Fri 2/27

2:20 pm-2:00 pm

2 stops22h 40m

$338

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Wed 2/4

6:00 am-12:55 pm

1 stop31h 55m

Liberia

Mon 2/23

2:01 pm-2:00 pm

1 stop22h 59m

$338

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Wed 2/4

6:00 am-12:55 pm

1 stop31h 55m

Liberia

Wed 2/25

8:35 am-2:00 pm

2 stops28h 25m

$338

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sat 2/7

4:45 pm-12:55 pm

1 stop21h 10m

Liberia

Fri 2/27

2:20 pm-2:00 pm

2 stops22h 40m

$338

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 20 results
1
2

Compare providers for flights from Pierre Elliott Trudeau Intl to Liberia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Pierre Elliott Trudeau Intl to Liberia in November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-Liberia flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Montreal Pierre Elliott Trudeau Intl Airport-Liberia flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Montreal Pierre Elliott Trudeau Intl Airport-Liberia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-Liberia flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Montreal Pierre Elliott Trudeau Intl Airport-Liberia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 November 7, 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 64 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 $144). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Liberia in July is currently the most expensive (average of $334). 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 November 12, 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 in the evening. If you’re flexible enough to do this you can expect to save up to 51% 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 November 12, 2025.
See what other customers who have flown with Air Transat, United Airlines, and American Airlines 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
7.8
Good
471 reviews

Boarding

7.9

Overall

7.8

Comfort

7.4

Crew

8.5

Food

6.8

Entertainment

7.1

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
471 reviews
Air Transat
7.8
Good
471 reviews

Boarding

7.9

Overall

7.8

Comfort

7.4

Crew

8.5

Food

6.8

Entertainment

7.1

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.
United Airlines
7.4
Good
9,015 reviews
Air Transat
7.8
Good
471 reviews

Boarding

7.9

Overall

7.8

Comfort

7.4

Crew

8.5

Food

6.8

Entertainment

7.1

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.
American Airlines
7.2
Good
11,048 reviews
Air Transat
7.8
Good
471 reviews

Boarding

7.9

Overall

7.8

Comfort

7.4

Crew

8.5

Food

6.8

Entertainment

7.1

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.
WestJet
7.2
Good
3,159 reviews
Air Transat
7.8
Good
471 reviews

Boarding

7.9

Overall

7.8

Comfort

7.4

Crew

8.5

Food

6.8

Entertainment

7.1

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 Canada
7.1
Good
10,443 reviews
Air Transat
7.8
Good
471 reviews

Boarding

7.9

Overall

7.8

Comfort

7.4

Crew

8.5

Food

6.8

Entertainment

7.1

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.

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 5 different airlines.

  • How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to Liberia?

    Airlines like United Airlines fly from Montreal Pierre Elliott Trudeau Intl Airport to Liberia in about 26h 52m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 2506 mi.

  • 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 $276. Additional round-trip tickets that might be worth considering are offered by United Airlines and WestJet, with the lowest prices starting at $293 and $298, respectively. Air Canada is currently priced 48% 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 $488 for a flight from Montreal Pierre Elliott Trudeau Intl Airport to Liberia. The cheapest flight overall is $265 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - Liberia) is currently priced at $335.

  • 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 $144). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Liberia in July is currently the most expensive (average of $334). 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 5 airlines flying from Pierre Elliott Trudeau Intl to Liberia

Discover the top 5 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 November 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$276Average$549FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$293Average$340FlexibilityNo cancel feeOn-time69%
WestJetCheapest$298Average$461FlexibilityNo cancel feeOn-time60%
Air TransatCheapest$356Average$642FlexibilityNo cancel feeOn-time50%
American AirlinesCheapest$456Average$701FlexibilityNo cancel feeOn-time71%

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