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Cheap flights from London, ON to Montreal Pierre Elliott Trudeau Intl Airport from C$ 239

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 14/6. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — YUL
9 Apr — 16 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Pierre Elliott Trudeau Intl

Enter your travel dates to find the best prices.

Cheapest flights from London to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from London to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 March 2026.

Mon 27/46:10 a.m.
YXU
-
YUL
2 stops12h 10m
WestJet
Sun 3/58:00 p.m.
YUL
-
YXU
1 stop9h 20m
WestJet
Deal found 5/3C$ 539
Fri 29/55:55 p.m.
YXU
-
YUL
1 stop13h 10m
WestJet
Tue 9/68:00 p.m.
YUL
-
YXU
1 stop9h 20m
WestJet
Deal found 5/3C$ 555
Thu 4/65:55 p.m.
YXU
-
YUL
1 stop13h 10m
WestJet
Sat 6/68:00 p.m.
YUL
-
YXU
1 stop9h 20m
WestJet
Deal found 9/3C$ 575
Mon 20/48:00 a.m.
YXU
-
YUL
1 stop31h 13m
WestJet
Mon 27/45:30 p.m.
YUL
-
YXU
1 stop11h 50m
WestJet
Deal found 6/3C$ 588
Mon 1/65:55 p.m.
YXU
-
YUL
1 stop13h 10m
WestJet
Wed 3/68:00 p.m.
YUL
-
YXU
1 stop9h 20m
WestJet
Deal found 7/3C$ 590
Sat 13/65:55 p.m.
YXU
-
YUL
1 stop13h 10m
Multiple Airlines
Sat 20/64:15 p.m.
YUL
-
YXU
2 stops13h 05m
Multiple Airlines
Deal found 5/3C$ 608
Mon 27/46:10 a.m.
YXU
-
YUL
2 stops12h 10m
Multiple Airlines
Sun 3/510:35 a.m.
YUL
-
YXU
2 stops6h 58m
Multiple Airlines
Deal found 5/3C$ 616
Thu 23/48:00 a.m.
YXU
-
YUL
2 stops16h 38m
WestJet
Thu 30/45:30 p.m.
YUL
-
YXU
1 stop11h 50m
WestJet
Deal found 9/3C$ 617
Sat 13/66:10 a.m.
YXU
-
YUL
1 stop17h 35m
WestJet
Sat 20/65:30 p.m.
YUL
-
YXU
1 stop11h 50m
WestJet
Deal found 5/3C$ 619

Find flight deals from London to Pierre Elliott Trudeau Intl

Discover tips and strategies to find the most affordable flight options for your journey from London (YXU) 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 10 March 2026.

Round-trip from

C$ 539

One-way from

C$ 239

Popular in

March

Cheapest in

October

Average price

C$ 1,451
WestJet
  • WestJet
  • 27/4-3/5
  • 3 total stops
  • 21h 30m total
  • London to Montreal
Search Deals
WestJet
  • WestJet
  • 14/6
  • 2 total stops
  • 9h 45m total
  • London to Montreal
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (C$ 314 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (C$ 82 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from London 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 10 March 2026.
Use the filters below to find and compare flights from London to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonMontreal

YXU - YUL

YXUYUL

London

Fri 29/5

5:55 p.m.-7:05 a.m.

1 stop13h 10m

Montreal Pierre Elliott Trudeau Intl

Tue 9/6

8:00 p.m.-5:20 a.m.

1 stop9h 20m

C$ 555

LondonMontreal

YXU - YUL

YXUYUL

London

Mon 27/4

6:10 a.m.-4:30 p.m.

1 stop10h 20m

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

8:00 p.m.-5:20 a.m.

1 stop9h 20m

C$ 559

LondonMontreal

YXU - YUL

YXUYUL

London

Thu 4/6

5:55 p.m.-7:05 a.m.

1 stop13h 10m

Montreal Pierre Elliott Trudeau Intl

Sat 6/6

8:00 p.m.-5:20 a.m.

1 stop9h 20m

C$ 575

LondonMontreal

YXU - YUL

YXUYUL

London

Mon 27/4

6:10 a.m.-6:20 p.m.

2 stops12h 10m

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

10:35 a.m.-5:33 p.m.

2 stops6h 58m

C$ 616

LondonMontreal

YXU - YUL

YXUYUL

London

Sat 4/4

5:10 a.m.-11:41 a.m.

2 stops6h 31m

Montreal Pierre Elliott Trudeau Intl

Sat 11/4

1:10 p.m.-5:04 p.m.

1 stop3h 54m

C$ 681
Quickest round-trip

LondonMontreal

YXU - YUL

YXUYUL

London

Thu 9/4

9:25 a.m.-3:39 p.m.

2 stops6h 14m

Montreal Pierre Elliott Trudeau Intl

Wed 15/4

1:10 p.m.-5:04 p.m.

1 stop3h 54m

C$ 707

LondonMontreal

YXU - YUL

YXUYUL

London

Sat 13/6

5:55 p.m.-5:20 p.m.

2 stops23h 25m

Montreal Pierre Elliott Trudeau Intl

Sat 20/6

4:15 p.m.-5:20 a.m.

2 stops13h 05m

C$ 737

LondonMontreal

YXU - YUL

YXUYUL

London

Sat 11/4

9:25 a.m.-3:39 p.m.

2 stops6h 14m

Montreal Pierre Elliott Trudeau Intl

Tue 14/4

1:10 p.m.-5:04 p.m.

1 stop3h 54m

C$ 741

LondonMontreal

YXU - YUL

YXUYUL

London

Sun 21/6

5:55 p.m.-7:05 a.m.

1 stop13h 10m

Montreal Pierre Elliott Trudeau Intl

Thu 25/6

8:00 p.m.-5:20 a.m.

1 stop9h 20m

C$ 745
Cheapest one-way

LondonMontreal

YXU - YUL

YXUYUL

London

Sun 14/6

2:40 p.m.-12:25 a.m.

2 stops9h 45m

C$ 239

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/3

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

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

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

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

Currently, February is the cheapest month in which you can book a flight from London, Ontario to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 118). Flying from London, Ontario to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of C$ 210). 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.

Reviews of airlines servicing Pierre Elliott Trudeau Intl

Get insights into the airlines that provide service to Pierre Elliott Trudeau Intl. 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 Pierre Elliott Trudeau Intl. Reviews last updated 10 March 2026.
Get a feel of what it's like to fly with Air Canada from London to Montreal Pierre Elliott Trudeau Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,800 reviews
Check prices

Boarding

7.3

Overall

7.1

Entertainment

6.8

Crew

7.8

Food

6.3

Comfort

7.1

Reviews

1 / 20
4.0
Okay

Sugith,Jan 2026

YSB - YYZ

Left 2 hours late. Stuck on plane for an hour after boarding before take off.
Air Canada
7.1
Good
10,800 reviews
Air Canada
7.1
Good
10,800 reviews
Check prices

Boarding

7.3

Overall

7.1

Entertainment

6.8

Crew

7.8

Food

6.3

Comfort

7.1

Reviews

1 / 20
4.0
Okay

Sugith,Jan 2026

YSB - YYZ

Left 2 hours late. Stuck on plane for an hour after boarding before take off.

Related info for your journey

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

    Most people fly from London (YXU) if they book a flight from London to Montreal Pierre Elliott Trudeau Intl. On average, London has 0 outbound flights to Montreal Pierre Elliott Trudeau Intl per day from 1 airline. London is conveniently located just 8.6 km from London’s city centre.

  • How long is the flight from London, Ontario to Montreal Pierre Elliott Trudeau Intl Airport?

    For as low as C$ 555, WestJet can have you in Montreal Pierre Elliott Trudeau Intl Airport from London, Ontario in 13h 10m. The distance from London, Ontario to Montreal Pierre Elliott Trudeau Intl Airport is about 647 km.

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

    Our cheapest airline available from London, Ontario to Montreal Pierre Elliott Trudeau Intl Airport is Air Canada. Our recent data shows that you can find tickets from as low as C$ 534 on this airline. Air Canada is priced at 32% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

    Yes. Cheapflights offers flight deals from London 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 London, Ontario to Montreal Pierre Elliott Trudeau Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from London, Ontario to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 118). Flying from London, Ontario to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of C$ 210). 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
Trois-Rivières
Dorval
Sherbrooke
Cornwall
Montebello
Brossard
Boucherville
Longueuil
Magog
Saint-Jean-sur-Richelieu
Bromont
Drummondville
North Hatley
Saint-Sauveur
Louiseville

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from London to Pierre Elliott Trudeau Intl

Discover the top airline that operate flights from London to Pierre Elliott Trudeau Intl. 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 629,999 searches. Data last updated 10 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 534AverageC$ 716FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Pierre Elliott Trudeau Intl?

Deals for London 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 London to Pierre Elliott Trudeau Intl?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Pierre Elliott Trudeau Intl from London.

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

Certainly. Search results for flights to Pierre Elliott Trudeau Intl from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from London to Pierre Elliott Trudeau Intl become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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