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Cheap flights from Lille to Montreal Pierre Elliott Trudeau Intl Airport from C$ 511

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 13/9. Fares are subject to change and may not be available on all flights or dates of travel.
LIL — YUL
24 Aug — 31 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Lille to Pierre Elliott Trudeau Intl

Enter your travel dates to find the best prices.

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 25 July 2026.

Mon 14/99:15 p.m.
LIL
-
YUL
1 stop19h 25m
Multiple Airlines
Sun 20/97:00 p.m.
YUL
-
LIL
2 stops14h 20m
Multiple Airlines
Deal found 21/7C$ 963
Wed 23/96:15 a.m.
LIL
-
YUL
2 stops20h 45m
Multiple Airlines
Wed 4/118:15 p.m.
YUL
-
LIL
2 stops19h 45m
Multiple Airlines
Deal found 22/7C$ 1,004
Sat 19/911:50 a.m.
LIL
-
YUL
2 stops29h 45m
Multiple Airlines
Mon 19/107:00 p.m.
YUL
-
LIL
2 stops20h 25m
Multiple Airlines
Deal found 23/7C$ 1,065

Find 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 25 July 2026.

Round-trip from

C$ 963

One-way from

C$ 511

Popular in

January

Cheapest in

March

Average price

C$ 1,272
14/9-20/9
  • 14/9-20/9
  • 3 total stops
  • 33h 45m total
  • Lille to Montreal
Search Deals
13/9
  • 13/9
  • 3 total stops
  • 35h 45m total
  • Lille to Montreal
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (C$ 448 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease (C$ 110 potential savings vs. average RT price).
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Average for round-trip flights in July 2026
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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 25 July 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LilleMontreal

LIL - YUL

LILYUL

Lille Lesquin

Sat 19/9

3:40 p.m.-9:00 p.m.

3 stops35h 20m

Montreal Pierre Elliott Trudeau Intl

Mon 19/10

3:10 p.m.-9:25 p.m.

3 stops24h 15m

C$ 1,303

LilleMontreal

LIL - YUL

LILYUL

Lille Lesquin

Wed 23/9

6:05 p.m.-4:35 p.m.

1 stop28h 30m

Montreal Pierre Elliott Trudeau Intl

Wed 4/11

10:10 p.m.-12:45 p.m.

1 stop32h 35m

C$ 1,304

LilleMontreal

LIL - YUL

LILYUL

Lille Lesquin

Thu 20/8

10:30 p.m.-12:25 a.m.

3 stops31h 55m

Montreal Pierre Elliott Trudeau Intl

Sun 30/8

6:45 a.m.-11:55 p.m.

3 stops35h 10m

C$ 1,323

LilleMontreal

LIL - YUL

LILYUL

Lille Lesquin

Fri 18/9

6:30 a.m.-12:25 a.m.

3 stops23h 55m

Montreal Pierre Elliott Trudeau Intl

Wed 23/9

6:45 a.m.-10:30 p.m.

3 stops33h 45m

C$ 1,346

LilleMontreal

LIL - YUL

LILYUL

Lille Lesquin

Tue 6/10

4:25 p.m.-2:10 p.m.

1 stop27h 45m

Montreal Pierre Elliott Trudeau Intl

Tue 13/10

4:10 p.m.-11:35 a.m.

1 stop13h 25m

C$ 1,423

LilleMontreal

LIL - YUL

LILYUL

Lille Lesquin

Mon 5/10

1:50 p.m.-2:10 p.m.

1 stop30h 20m

Montreal Pierre Elliott Trudeau Intl

Fri 16/10

4:10 p.m.-3:40 p.m.

1 stop17h 30m

C$ 1,423

LilleMontreal

LIL - YUL

LILYUL

Lille Lesquin

Mon 14/12

12:25 p.m.-1:10 p.m.

1 stop30h 45m

Montreal Pierre Elliott Trudeau Intl

Tue 12/1

3:10 p.m.-10:35 a.m.

1 stop13h 25m

C$ 1,442

LilleMontreal

LIL - YUL

LILYUL

Lille Lesquin

Tue 8/12

3:55 p.m.-1:10 p.m.

1 stop27h 15m

Montreal Pierre Elliott Trudeau Intl

Tue 12/1

3:10 p.m.-10:35 a.m.

1 stop13h 25m

C$ 1,442

LilleMontreal

LIL - YUL

LILYUL

Lille Lesquin

Sat 12/12

2:05 p.m.-6:40 p.m.

1 stop34h 35m

Montreal Pierre Elliott Trudeau Intl

Wed 13/1

11:25 a.m.-1:05 p.m.

1 stop19h 40m

C$ 1,521

LilleMontreal

LIL - YUL

LILYUL

Lille Lesquin

Sat 3/10

4:40 p.m.-2:10 p.m.

1 stop27h 30m

Montreal Pierre Elliott Trudeau Intl

Tue 13/10

4:10 p.m.-11:35 a.m.

1 stop13h 25m

C$ 1,544

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/7

Showing 1-10 of 17 resultsSorted by cheapest first
1
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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, March is the cheapest month in which you can book a flight from Lille to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 752). Flying from Lille to Montreal Pierre Elliott Trudeau Intl Airport in January is currently the most expensive (average of C$ 1,976). 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.

How much does it cost to fly round-trip from Lille to Montreal Pierre Elliott Trudeau Intl Airport?

Airfare is below average for this route at the moment.

Lille to Montreal Pierre Elliott Trudeau Intl Airport flights typically cost between C$ 1,139 and C$ 1,433 in September.
The cheapest round-trip price found within the last 5 days was C$ 963 on Multiple Airlines (14 Sep-20 Sep).

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.

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

    Departing from Lille to Montreal Pierre Elliott Trudeau Intl Airport will take you 27h 45m. The distance from Lille to Montreal Pierre Elliott Trudeau Intl Airport is about 5480 km.

  • 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, March is the cheapest month in which you can book a flight from Lille to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 752). Flying from Lille to Montreal Pierre Elliott Trudeau Intl Airport in January is currently the most expensive (average of C$ 1,976). 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
Dorval
Trois-Rivières
Laval
Brossard
Cornwall
Longueuil
Sherbrooke
Montebello
Magog
Boucherville
Bromont
Saint-Jean-sur-Richelieu
Drummondville
North Hatley
Saint-Sauveur
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
Beauvais-Tille to Pierre Elliott Trudeau Intl flights

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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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