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Cheap flights from Lille to Montreal Pierre Elliott Trudeau Intl Airport from C$ 517

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 21/9. Fares are subject to change and may not be available on all flights or dates of travel.
LIL — YUL
4 Aug — 11 Aug1
1 adult

Cheap flight deals from Lille to Pierre Elliott Trudeau Intl

Discover tips and strategies to find the most affordable flight options for your journey from Lille (LIL) 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 30 July 2025.

Round-trip from

C$ 923

One-way from

C$ 517

Popular in

December

Cheapest in

September

Average price

C$ 1,259
29/8-5/9
  • 29/8-5/9
  • 2 total stops
  • 24h 55m total
  • Lille to Montreal
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21/9
  • 21/9
  • 1 total stop
  • 23h 25m total
  • Lille to Montreal
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Highest demand for flights based on searches. 2% potential increase in price (C$ 38 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 47 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Lille to Pierre Elliott Trudeau Intl

Cheapest flights from Lille to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Lille to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 July 2025.

Fri 29/88:35 a.m.LIL - YUL
1 stop11h 40mMultiple Airlines
Fri 5/99:00 p.m.YUL - LIL
1 stop13h 15mMultiple Airlines
Deal found 29/7C$ 923
Mon 22/92:50 p.m.LIL - YUL
1 stop29h 20mAir Algerie
Sun 28/94:10 p.m.YUL - LIL
1 stop15h 40mAir Algerie
Deal found 29/7C$ 1,429

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lille 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 629,999 searches. Data last updated 30 July 2025.
Use the filters below to find and compare flights from Lille to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Lille

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

LilleMontreal

LIL - YUL

LILYUL

Lille Lesquin

Fri 29/8

8:35 a.m.-2:15 p.m.

1 stop11h 40m

Montreal Pierre Elliott Trudeau Intl

Fri 5/9

9:00 p.m.-4:15 p.m.

1 stop13h 15m

C$ 923

LilleMontreal

LIL - YUL

LILYUL

Lille Lesquin

Mon 22/9

2:50 p.m.-2:10 p.m.

1 stop29h 20m

Montreal Pierre Elliott Trudeau Intl

Sun 28/9

4:10 p.m.-1:50 p.m.

1 stop15h 40m

C$ 1,429

LilleMontreal

LIL - YUL

LILYUL

Lille Lesquin

Sun 21/9

9:00 p.m.-2:25 p.m.

1 stop23h 25m

C$ 517

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/7

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

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

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

Currently, October is the cheapest month in which you can book a flight from Lille to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 241). Flying from Lille to Montreal Pierre Elliott Trudeau Intl Airport in April is currently the most expensive (average of C$ 316). 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.

Related info for your journey

Find useful and relevant information for your journey from Lille 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 Lille to Montreal Pierre Elliott Trudeau Intl?

    If you book a flight to Montreal Pierre Elliott Trudeau Intl from Lille, you will be flying from Lesquin, which is the city’s only airport. Lille Lesquin (LIL) is located 8.0 km from the centre of Lille. There are 0 flights from Lesquin to Montreal Pierre Elliott Trudeau Intl per day from 0 different airlines.

  • What is the cheapest airline to fly from Lille to Montreal Pierre Elliott Trudeau Intl Airport round-trip?

    Currently priced at C$ 1,429, Air Algerie will fly you from Lille to Montreal Pierre Elliott Trudeau Intl Airport and back. In addition to Air Algerie, many other airlines offer competitively priced options for your trip.

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

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

  • How can I find direct flights from Lille 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 Lille to Pierre Elliott Trudeau Intl.

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

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

    Currently, October is the cheapest month in which you can book a flight from Lille to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 241). Flying from Lille to Montreal Pierre Elliott Trudeau Intl Airport in April is currently the most expensive (average of C$ 316). 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

Travelling 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
Laval
Longueuil
Sherbrooke
Cornwall
Brossard
Dorval
Montebello
Drummondville
Trois-Rivières
Saint-Jean-sur-Richelieu
Boucherville
Saint-Sauveur
Bromont
North Hatley
Louiseville

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Alternative routes for Lille to Pierre Elliott Trudeau Intl

See prices for flight routes from nearby airports that may be better suited for you.
Charles de Gaulle to Pierre Elliott Trudeau Intl flights
Orly to Pierre Elliott Trudeau Intl flights
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Deals for Lille to Pierre Elliott Trudeau Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Lille to Pierre Elliott Trudeau Intl?

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Can Cheapflights find flights from Lille to Pierre Elliott Trudeau Intl with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Lille to Pierre Elliott Trudeau Intl flexibly with Cheapflights today.

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