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Cheap flights from London, ON to Montreal Pierre Elliott Trudeau Intl Airport from C$ 338

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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — YUL
13 Jul — 20 Jul1
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 13 June 2026.

Tue 25/88:40 p.m.
YXU
-
YUL
1 stop10h 25m
WestJet
Sat 29/88:00 p.m.
YUL
-
YXU
1 stop9h 20m
WestJet
Deal found 13/6C$ 597
Fri 7/88:40 p.m.
YXU
-
YUL
1 stop10h 25m
WestJet
Mon 10/88:00 p.m.
YUL
-
YXU
1 stop9h 20m
WestJet
Deal found 13/6C$ 658
Tue 22/910:05 a.m.
YXU
-
YUL
2 stops5h 18m
Air Canada
Fri 25/99:45 a.m.
YUL
-
YXU
2 stops5h 10m
Air Canada
Deal found 8/6C$ 664
Tue 14/78:40 p.m.
YXU
-
YUL
1 stop17h 00m
Multiple Airlines
Thu 16/72:35 p.m.
YUL
-
YXU
2 stops14h 45m
Multiple Airlines
Deal found 12/6C$ 667
Sat 5/96:10 a.m.
YXU
-
YUL
1 stop10h 20m
WestJet
Tue 8/98:00 p.m.
YUL
-
YXU
1 stop9h 20m
WestJet
Deal found 13/6C$ 689
Thu 6/88:40 p.m.
YXU
-
YUL
1 stop10h 25m
WestJet
Sun 9/88:00 p.m.
YUL
-
YXU
1 stop9h 20m
WestJet
Deal found 13/6C$ 721
Wed 26/85:55 p.m.
YXU
-
YUL
1 stop13h 10m
WestJet
Sun 30/88:00 p.m.
YUL
-
YXU
1 stop9h 20m
WestJet
Deal found 13/6C$ 731
Thu 16/710:05 a.m.
YXU
-
YUL
2 stops5h 17m
Air Canada
Sun 19/710:10 a.m.
YUL
-
YXU
1 stop4h 42m
Air Canada
Deal found 8/6C$ 758
Sat 27/63:30 p.m.
YXU
-
YUL
1 stop3h 22m
Air Canada
Fri 3/76:00 a.m.
YUL
-
YXU
1 stop3h 20m
Air Canada
Deal found 9/6C$ 779

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 13 June 2026.

Round-trip from

C$ 597

One-way from

C$ 338

Popular in

February

Cheapest in

October

Average price

C$ 765
WestJet
  • WestJet
  • 25/8-29/8
  • 2 total stops
  • 19h 45m total
  • London to Montreal
Search Deals
Air Canada
  • Air Canada
  • 9/7
  • 1 total stop
  • 4h 57m total
  • London to Montreal
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 173 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 13 June 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

Tue 18/8

8:40 p.m.-7:05 a.m.

1 stop10h 25m

Montreal Pierre Elliott Trudeau Intl

Sat 22/8

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

1 stop9h 20m

C$ 597

LondonMontreal

YXU - YUL

YXUYUL

London

Tue 22/9

10:05 a.m.-1:21 p.m.

1 stop3h 16m

Montreal Pierre Elliott Trudeau Intl

Fri 25/9

5:10 p.m.-9:40 p.m.

1 stop4h 30m

C$ 664
Quickest round-trip

LondonMontreal

YXU - YUL

YXUYUL

London

Wed 1/7

3:30 p.m.-6:52 p.m.

1 stop3h 22m

Montreal Pierre Elliott Trudeau Intl

Sun 5/7

2:10 p.m.-5:42 p.m.

1 stop3h 32m

C$ 804

LondonMontreal

YXU - YUL

YXUYUL

London

Sat 4/7

3:30 p.m.-6:52 p.m.

1 stop3h 22m

Montreal Pierre Elliott Trudeau Intl

Wed 8/7

11:10 a.m.-2:52 p.m.

1 stop3h 42m

C$ 805

LondonMontreal

YXU - YUL

YXUYUL

London

Sat 11/7

6:20 p.m.-11:22 p.m.

1 stop5h 02m

Montreal Pierre Elliott Trudeau Intl

Mon 13/7

9:45 a.m.-2:52 p.m.

2 stops5h 07m

C$ 849

LondonMontreal

YXU - YUL

YXUYUL

London

Thu 16/7

6:10 a.m.-12:37 a.m.

2 stops18h 27m

Montreal Pierre Elliott Trudeau Intl

Thu 23/7

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

2 stops13h 05m

C$ 865

LondonMontreal

YXU - YUL

YXUYUL

London

Wed 1/7

5:10 a.m.-9:55 a.m.

2 stops4h 45m

Montreal Pierre Elliott Trudeau Intl

Fri 3/7

9:45 a.m.-2:55 p.m.

2 stops5h 10m

C$ 874

LondonMontreal

YXU - YUL

YXUYUL

London

Sat 19/9

6:10 a.m.-11:45 p.m.

1 stop17h 35m

Montreal Pierre Elliott Trudeau Intl

Wed 23/9

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

1 stop9h 20m

C$ 895

LondonMontreal

YXU - YUL

YXUYUL

London

Sat 1/8

10:05 a.m.-3:22 p.m.

1 stop5h 17m

Montreal Pierre Elliott Trudeau Intl

Sun 16/8

9:45 a.m.-2:50 p.m.

2 stops5h 05m

C$ 896
Cheapest one-way
Quickest one-way

LondonMontreal

YXU - YUL

YXUYUL

London

Thu 9/7

10:05 a.m.-3:21 p.m.

2 stops5h 16m

C$ 338

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/6

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, October is the cheapest month in which you can book a flight from London, Ontario to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 597). Flying from London, Ontario to Montreal Pierre Elliott Trudeau Intl Airport in February is currently the most expensive (average of C$ 956). 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 London, Ontario to Montreal Pierre Elliott Trudeau Intl Airport?

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 13 June 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
11,172 reviews
Check prices

Entertainment

6.8

Overall

7.1

Boarding

7.3

Food

6.3

Crew

7.8

Comfort

7.1

Reviews

1 / 20
2.0
Mediocre

Lori,May 2026

YYZ - YFC

Didn't land, sent back to Toronto. No food, no accommodation, no help at all!!
Air Canada
7.1
Good
11,172 reviews
Air Canada
7.1
Good
11,172 reviews
Check prices

Entertainment

6.8

Overall

7.1

Boarding

7.3

Food

6.3

Crew

7.8

Comfort

7.1

Reviews

1 / 20
2.0
Mediocre

Lori,May 2026

YYZ - YFC

Didn't land, sent back to Toronto. No food, no accommodation, no help at all!!

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$ 664, WestJet can have you in Montreal Pierre Elliott Trudeau Intl Airport from London, Ontario in 3h 16m. The distance from London, Ontario to Montreal Pierre Elliott Trudeau Intl Airport is about 647 km. Both multi-stop and direct flights can be found to your destination and back.

  • 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$ 550 on this airline. Air Canada is priced at 26% 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, October is the cheapest month in which you can book a flight from London, Ontario to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 597). Flying from London, Ontario to Montreal Pierre Elliott Trudeau Intl Airport in February is currently the most expensive (average of C$ 956). 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
Dorval
Trois-Rivières
Brossard
Sherbrooke
Cornwall
Longueuil
Montebello
Magog
Boucherville
Bromont
Saint-Jean-sur-Richelieu
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 13 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 550AverageC$ 665FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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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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