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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to London, ON from C$ 314

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 17/8. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — YXU
26 Aug — 2 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Pierre Elliott Trudeau Intl to London

Enter your travel dates to find the best prices.

Cheapest flights from Pierre Elliott Trudeau Intl to London
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 July 2026.

Thu 10/98:00 p.m.
YUL
-
YXU
1 stop9h 20m
WestJet
Fri 18/95:55 p.m.
YXU
-
YUL
1 stop13h 10m
WestJet
Deal found 25/7C$ 623
Sun 13/98:00 p.m.
YUL
-
YXU
1 stop9h 20m
WestJet
Tue 22/96:10 a.m.
YXU
-
YUL
1 stop10h 20m
WestJet
Deal found 26/7C$ 626
Fri 25/98:00 p.m.
YUL
-
YXU
1 stop9h 20m
WestJet
Sun 27/96:10 a.m.
YXU
-
YUL
1 stop24h 55m
WestJet
Deal found 25/7C$ 652
Mon 21/98:00 p.m.
YUL
-
YXU
1 stop9h 20m
WestJet
Mon 28/96:10 a.m.
YXU
-
YUL
1 stop17h 35m
WestJet
Deal found 26/7C$ 654
Fri 21/88:00 p.m.
YUL
-
YXU
1 stop33h 20m
WestJet
Fri 4/92:40 p.m.
YXU
-
YUL
2 stops9h 45m
WestJet
Deal found 25/7C$ 657
Thu 20/85:45 p.m.
YUL
-
YXU
2 stops20h 05m
WestJet
Thu 27/88:40 p.m.
YXU
-
YUL
1 stop10h 25m
WestJet
Deal found 23/7C$ 659
Wed 19/85:30 p.m.
YUL
-
YXU
1 stop11h 50m
WestJet
Wed 26/86:10 a.m.
YXU
-
YUL
1 stop10h 20m
WestJet
Deal found 22/7C$ 666

Find flight deals from Pierre Elliott Trudeau Intl to London

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to London (YXU). 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 27 July 2026.

Round-trip from

C$ 623

One-way from

C$ 314

Popular in

August

Cheapest in

September
WestJet
  • WestJet
  • 10/9-18/9
  • 2 total stops
  • 22h 30m total
  • Montreal to London
Search Deals
WestJet
  • WestJet
  • 17/8
  • 2 total stops
  • 20h 05m total
  • Montreal to London
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 173 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 79 potential savings vs. average RT price).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl to London 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 27 July 2026.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealLondon

YUL - YXU

YULYXU

Montreal Pierre Elliott Trudeau Intl

Fri 25/9

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

1 stop9h 20m

London

Sun 27/9

6:10 a.m.-7:05 a.m.

1 stop24h 55m

C$ 652

MontrealLondon

YUL - YXU

YULYXU

Montreal Pierre Elliott Trudeau Intl

Mon 21/9

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

1 stop9h 20m

London

Mon 28/9

5:55 p.m.-4:45 p.m.

2 stops22h 50m

C$ 683

MontrealLondon

YUL - YXU

YULYXU

Montreal Pierre Elliott Trudeau Intl

Sat 19/9

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

1 stop9h 20m

London

Sat 26/9

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

1 stop17h 35m

C$ 717
Quickest round-trip

MontrealLondon

YUL - YXU

YULYXU

Montreal Pierre Elliott Trudeau Intl

Sat 17/10

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

1 stop9h 20m

London

Wed 21/10

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

1 stop10h 20m

C$ 764

MontrealLondon

YUL - YXU

YULYXU

Montreal Pierre Elliott Trudeau Intl

Thu 3/9

5:45 p.m.-1:50 p.m.

2 stops20h 05m

London

Thu 10/9

6:10 a.m.-12:25 a.m.

2 stops18h 15m

C$ 769

MontrealLondon

YUL - YXU

YULYXU

Montreal Pierre Elliott Trudeau Intl

Wed 19/8

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

1 stop9h 20m

London

Wed 26/8

6:10 a.m.-12:25 a.m.

2 stops18h 15m

C$ 775

MontrealLondon

YUL - YXU

YULYXU

Montreal Pierre Elliott Trudeau Intl

Tue 27/10

6:45 a.m.-7:15 p.m.

2 stops12h 30m

London

Fri 30/10

8:00 p.m.-3:12 p.m.

1 stop19h 12m

C$ 781
Cheapest one-way

MontrealLondon

YUL - YXU

YULYXU

Montreal Pierre Elliott Trudeau Intl

Mon 17/8

5:45 p.m.-1:50 p.m.

2 stops20h 05m

C$ 314
Quickest one-way

MontrealLondon

YUL - YXU

YULYXU

Montreal Pierre Elliott Trudeau Intl

Sat 22/8

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

1 stop9h 20m

C$ 323

MontrealLondon

YUL - YXU

YULYXU

Montreal Pierre Elliott Trudeau Intl

Mon 21/9

5:30 p.m.-5:20 a.m.

1 stop11h 50m

C$ 349

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/7

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

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

Have a flexible travel schedule? Discover the best time to fly to London 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.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 27 July 2026.
See what other customers who have flown with Air Canada from Montreal Pierre Elliott Trudeau Intl Airport to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
11,392 reviews
Check prices

Comfort

7.1

Boarding

7.3

Food

6.3

Entertainment

6.8

Crew

7.8

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2026

YUL - LYS

The flight was cancelled. We were rebooked the next day on Air France but had a 12 hour layover in Paris. We lost 1 1/2 days of our vacation.
Air Canada
7.1
Good
11,392 reviews
Air Canada
7.1
Good
11,392 reviews
Check prices

Comfort

7.1

Boarding

7.3

Food

6.3

Entertainment

6.8

Crew

7.8

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2026

YUL - LYS

The flight was cancelled. We were rebooked the next day on Air France but had a 12 hour layover in Paris. We lost 1 1/2 days of our vacation.

Related info for your journey

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

    London (YXU) is the airport you will fly into if you book a flight from Montreal Pierre Elliott Trudeau Intl to London. You should not have trouble finding flights to London from Montreal Pierre Elliott Trudeau Intl; the airport handles an average of 0 inbound flights from Montreal Pierre Elliott Trudeau Intl per day. You should also have plenty of airline options to choose from since 1 airline has flights to the London airport from Montreal Pierre Elliott Trudeau Intl. It is only a 8.6 km journey from London (YXU) to London’s city centre.

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

    Airlines like WestJet fly from Montreal Pierre Elliott Trudeau Intl Airport to London, Ontario in about 9h 20m. The time it takes to get you to your destination can typically vary by up to . Montreal Pierre Elliott Trudeau Intl Airport and London, Ontario are separated by a distance of 647 km.

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

    Flying on Air Canada is currently your cheapest option to London, Ontario, with prices starting at C$ 611. Air Canada is currently priced 30% below the average price you’ll pay for this route.

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

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

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

    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 London.

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

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Top airline flying from Pierre Elliott Trudeau Intl to London

Discover the top airline that operate flights from Pierre Elliott Trudeau Intl to London. 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 27 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 611AverageC$ 746FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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