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Cheap flights from London, ON to Montreal from C$ 391

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 21/5. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — YMQ
14 May — 21 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Montreal

Enter your travel dates to find the best prices.

Cheapest flights from London to Montreal
Explore the most affordable flight options available from London to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 April 2026.

Wed 20/55:10 a.m.
YXU
-
YUL
1 stop3h 10m
Air Canada
Tue 26/58:10 a.m.
YUL
-
YXU
1 stop3h 33m
Air Canada
Deal found 9/4C$ 649
Fri 15/55:10 a.m.
YXU
-
YUL
1 stop4h 11m
Air Canada
Tue 19/58:10 a.m.
YUL
-
YXU
1 stop3h 33m
Air Canada
Deal found 10/4C$ 683
Fri 29/55:10 a.m.
YXU
-
YUL
1 stop5h 11m
Air Canada
Tue 9/64:40 p.m.
YUL
-
YXU
1 stop4h 58m
Air Canada
Deal found 9/4C$ 690
Mon 18/512:20 p.m.
YXU
-
YUL
1 stop3h 01m
Multiple Airlines
Thu 21/57:20 p.m.
YUL
-
YXU
2 stops18h 30m
Multiple Airlines
Deal found 14/4C$ 726
Sat 13/65:10 a.m.
YXU
-
YUL
2 stops6h 51m
Air Canada
Wed 17/67:00 a.m.
YUL
-
YXU
1 stop4h 43m
Air Canada
Deal found 9/4C$ 773
Thu 14/55:10 a.m.
YXU
-
YUL
1 stop5h 11m
Air Canada
Wed 20/54:40 p.m.
YUL
-
YXU
1 stop4h 58m
Air Canada
Deal found 13/4C$ 777
Fri 8/55:55 p.m.
YXU
-
YUL
2 stops24h 25m
WestJet
Tue 12/57:15 a.m.
YUL
-
YXU
1 stop9h 30m
WestJet
Deal found 13/4C$ 779
Mon 18/55:10 a.m.
YXU
-
YUL
1 stop4h 11m
Air Canada
Thu 21/57:00 a.m.
YUL
-
YXU
1 stop4h 43m
Air Canada
Deal found 14/4C$ 790
Sun 19/72:40 p.m.
YXU
-
YUL
2 stops26h 05m
WestJet
Thu 23/75:45 p.m.
YUL
-
YXU
2 stops20h 05m
WestJet
Deal found 13/4C$ 792
Tue 26/55:10 a.m.
YXU
-
YUL
2 stops4h 44m
Air Canada
Fri 29/55:00 a.m.
YUL
-
YXU
1 stop3h 53m
Air Canada
Deal found 10/4C$ 795
Sat 16/55:10 a.m.
YXU
-
YUL
2 stops4h 44m
Air Canada
Sun 17/51:10 p.m.
YUL
-
YXU
1 stop4h 23m
Air Canada
Deal found 13/4C$ 813
Fri 8/55:55 p.m.
YXU
-
YUL
1 stop20h 17m
Multiple Airlines
Tue 12/55:30 p.m.
YUL
-
YXU
1 stop11h 50m
Multiple Airlines
Deal found 13/4C$ 821

Find flight deals from London to Montreal

Discover tips and strategies to find the most affordable flight options for your journey from London (YXU) to Montreal (YMQ). 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 14 April 2026.

Round-trip from

C$ 683

One-way from

C$ 391

Popular in

August

Cheapest in

February

Average price

C$ 788
Air Canada
  • Air Canada
  • 15/5-19/5
  • 2 total stops
  • 7h 44m total
  • London to Montreal
Search Deals
Air Canada
  • Air Canada
  • 21/5
  • 2 total stops
  • 4h 44m total
  • London to Montreal
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 67 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from London to Montreal 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 14 April 2026.
Use the filters below to find and compare flights from London to Montreal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonMontreal

YXU - YUL

YXUYUL

London

Mon 18/5

12:20 p.m.-3:21 p.m.

1 stop3h 01m

Montreal Pierre Elliott Trudeau Intl

Thu 21/5

7:20 p.m.-1:50 p.m.

2 stops18h 30m

C$ 726

LondonMontreal

YXU - YUL

YXUYUL

London

Sat 13/6

5:10 a.m.-10:21 a.m.

1 stop5h 11m

Montreal Pierre Elliott Trudeau Intl

Wed 17/6

5:00 a.m.-8:53 a.m.

1 stop3h 53m

C$ 773
Quickest round-trip

LondonMontreal

YXU - YUL

YXUYUL

London

Thu 18/6

5:10 a.m.-8:20 a.m.

1 stop3h 10m

Montreal Pierre Elliott Trudeau Intl

Sat 20/6

9:45 a.m.-2:57 p.m.

2 stops5h 12m

C$ 828

LondonMontreal

YXU - YUL

YXUYUL

London

Thu 6/8

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

1 stop3h 22m

Montreal Pierre Elliott Trudeau Intl

Mon 10/8

4:40 p.m.-9:40 p.m.

1 stop5h 00m

C$ 975

LondonMontreal

YXU - YUL

YXUYUL

London

Fri 29/5

12:20 p.m.-5:51 p.m.

1 stop5h 31m

Montreal Pierre Elliott Trudeau Intl

Tue 9/6

8:55 a.m.-2:58 p.m.

2 stops6h 03m

C$ 987
Cheapest one-way

LondonMontreal

YXU - YUL

YXUYUL

London

Thu 7/5

6:10 a.m.-8:30 p.m.

2 stops14h 20m

C$ 419

LondonMontreal

YXU - YUL

YXUYUL

London

Sun 3/5

5:10 a.m.-9:54 a.m.

2 stops4h 44m

C$ 444

LondonMontreal

YXU - YUL

YXUYUL

London

Tue 7/7

2:40 p.m.-6:20 p.m.

2 stops27h 40m

C$ 456

LondonMontreal

YXU - YUL

YXUYUL

London

Sat 2/5

12:20 p.m.-5:26 p.m.

1 stop5h 06m

C$ 473

LondonMontreal

YXU - YUL

YXUYUL

London

Thu 21/5

5:55 p.m.-12:25 a.m.

3 stops30h 30m

C$ 488

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Best time to book a flight from London to Montreal

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

What is the cheapest month to book a flight from London, Ontario to Montreal?

Currently, February is the cheapest month in which you can book a flight from London, Ontario to Montreal (average of C$ 120). Flying from London, Ontario to Montreal in July is currently the most expensive (average of C$ 214). 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?

Reviews of airlines servicing Montreal

Get insights into the airlines that provide service to Montreal. 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 Montreal. Reviews last updated 14 April 2026.
Read through reviews of airlines operating flights from London to Montreal, such as Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,923 reviews
Check prices

Boarding

7.3

Crew

7.8

Entertainment

6.8

Overall

7.1

Food

6.3

Comfort

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

NRT - YUL

The crew were very efficient and friendly. The free pretzels and drinks were great for such a short flight. The seats lacked sufficient padding and made me sore after just a few minutes.
Air Canada
7.1
Good
10,923 reviews
Air Canada
7.1
Good
10,923 reviews
Check prices

Boarding

7.3

Crew

7.8

Entertainment

6.8

Overall

7.1

Food

6.3

Comfort

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

NRT - YUL

The crew were very efficient and friendly. The free pretzels and drinks were great for such a short flight. The seats lacked sufficient padding and made me sore after just a few minutes.

Related info for your journey

Find useful and relevant information for your journey from London to Montreal. 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?

    If you book a flight to Montreal from London, you will be flying from London, which is the city’s only airport. London (YXU) is located 8.6 km from the centre of London. There are 0 flights from London to Montreal per day from 1 airline.

  • How long is the flight from London, Ontario to Montreal?

    There are many flights that can get you from London, Ontario to Montreal in 5h 11m. Fly via Air Canada to get the fastest option. The distance from London, Ontario to Montreal is about 647 km.

  • What is the cheapest airline to fly from London, Ontario to Montreal round-trip?

    Air Canada, at C$ 544, was found to be the cheapest airline from London, Ontario to Montreal.. Air Canada is 25% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from London to Montreal that include hotel bookings?

    Yes. In addition to deals on London to Montreal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London to Montreal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Montreal.

  • Can I find deals for business class flights from London to Montreal?

    Yes. Cheapflights offers flight deals from London to Montreal 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?

    Currently, February is the cheapest month in which you can book a flight from London, Ontario to Montreal (average of C$ 120). Flying from London, Ontario to Montreal in July is currently the most expensive (average of C$ 214). 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

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Alternative routes for London to Montreal

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from London to Montreal

Discover the top airline that operate flights from London to Montreal. 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 14 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 544AverageC$ 701FlexibilityNo 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 Montreal?

Cheapflights makes it easy to find London to Montreal flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from London to Montreal?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from London to Montreal.

Can Cheapflights find flights from London to Montreal with no change fees?

Yes, we can. To see specific flights from London to Montreal with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from London to Montreal become cheaper?

Yes! Start tracking prices for London to Montreal flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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