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Cheap flights from London, ON to Montreal from C$ 303

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 23/6. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — YMQ
27 Jun — 4 Jul1
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 28 May 2026.

Tue 8/910:05 a.m.
YXU
-
YUL
2 stops5h 18m
Air Canada
Tue 15/911:10 a.m.
YUL
-
YXU
1 stop3h 45m
Air Canada
Deal found 27/5C$ 617
Wed 21/1010:05 a.m.
YXU
-
YUL
1 stop5h 16m
Air Canada
Sun 25/104:10 p.m.
YUL
-
YXU
1 stop5h 36m
Air Canada
Deal found 27/5C$ 622
Sun 21/63:30 p.m.
YXU
-
YUL
1 stop3h 57m
Air Canada
Thu 2/79:45 a.m.
YUL
-
YXU
2 stops5h 10m
Air Canada
Deal found 27/5C$ 630
Thu 25/65:10 a.m.
YXU
-
YUL
1 stop3h 10m
Air Canada
Thu 2/76:30 p.m.
YUL
-
YXU
1 stop3h 10m
Air Canada
Deal found 28/5C$ 666
Thu 11/66:10 p.m.
YXU
-
YUL
1 stop5h 21m
Air Canada
Wed 17/66:00 a.m.
YUL
-
YXU
1 stop3h 18m
Air Canada
Deal found 24/5C$ 672
Thu 1/105:40 a.m.
YXU
-
YUL
1 stop3h 41m
Air Canada
Thu 8/109:10 a.m.
YUL
-
YXU
1 stop5h 45m
Air Canada
Deal found 25/5C$ 687
Thu 16/76:20 p.m.
YXU
-
YUL
1 stop3h 30m
Air Canada
Sat 18/74:40 p.m.
YUL
-
YXU
1 stop3h 52m
Air Canada
Deal found 27/5C$ 704
Mon 15/65:10 a.m.
YXU
-
YUL
2 stops4h 49m
Air Canada
Thu 18/66:00 a.m.
YUL
-
YXU
1 stop3h 17m
Air Canada
Deal found 23/5C$ 723
Sat 11/75:10 a.m.
YXU
-
YUL
2 stops4h 45m
Air Canada
Sun 12/75:30 p.m.
YUL
-
YXU
1 stop4h 10m
Air Canada
Deal found 24/5C$ 740
Wed 1/75:10 a.m.
YXU
-
YUL
2 stops4h 45m
Air Canada
Tue 7/78:40 a.m.
YUL
-
YXU
2 stops6h 15m
Air Canada
Deal found 23/5C$ 741
Fri 12/65:10 a.m.
YXU
-
YUL
1 stop5h 11m
Air Canada
Sun 14/65:30 p.m.
YUL
-
YXU
1 stop4h 08m
Air Canada
Deal found 24/5C$ 753

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 28 May 2026.

Round-trip from

C$ 617

One-way from

C$ 308

Popular in

August

Cheapest in

February

Average price

C$ 805
Air Canada
  • Air Canada
  • 8/9-15/9
  • 4 total stops
  • 9h 38m total
  • London to Montreal
Search Deals
Air Canada
  • Air Canada
  • 30/6
  • 1 total stop
  • 3h 22m total
  • London to Montreal
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 37 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 May 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 28 May 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

Tue 8/9

10:05 a.m.-3:23 p.m.

2 stops5h 18m

Montreal Pierre Elliott Trudeau Intl

Tue 15/9

11:10 a.m.-2:55 p.m.

1 stop3h 45m

C$ 617

LondonMontreal

YXU - YUL

YXUYUL

London

Wed 21/10

10:05 a.m.-3:23 p.m.

2 stops5h 18m

Montreal Pierre Elliott Trudeau Intl

Sun 25/10

5:10 p.m.-9:46 p.m.

1 stop4h 36m

C$ 622

LondonMontreal

YXU - YUL

YXUYUL

London

Thu 25/6

6:10 p.m.-10:52 p.m.

2 stops4h 42m

Montreal Pierre Elliott Trudeau Intl

Thu 2/7

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

1 stop5h 00m

C$ 666
Quickest round-trip

LondonMontreal

YXU - YUL

YXUYUL

London

Mon 15/6

6:10 p.m.-9:50 p.m.

1 stop3h 40m

Montreal Pierre Elliott Trudeau Intl

Thu 18/6

2:10 p.m.-5:32 p.m.

1 stop3h 22m

C$ 723

LondonMontreal

YXU - YUL

YXUYUL

London

Wed 1/7

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

2 stops4h 45m

Montreal Pierre Elliott Trudeau Intl

Tue 7/7

8:40 a.m.-2:55 p.m.

2 stops6h 15m

C$ 741

LondonMontreal

YXU - YUL

YXUYUL

London

Wed 1/7

10:05 a.m.-1:22 p.m.

1 stop3h 17m

Montreal Pierre Elliott Trudeau Intl

Thu 2/7

11:10 a.m.-2:55 p.m.

1 stop3h 45m

C$ 789

LondonMontreal

YXU - YUL

YXUYUL

London

Thu 25/6

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

1 stop5h 17m

Montreal Pierre Elliott Trudeau Intl

Wed 1/7

1:10 p.m.-5:42 p.m.

1 stop4h 32m

C$ 836

LondonMontreal

YXU - YUL

YXUYUL

London

Wed 8/7

5:10 a.m.-9:22 a.m.

1 stop4h 12m

Montreal Pierre Elliott Trudeau Intl

Wed 15/7

5:30 p.m.-9:40 p.m.

1 stop4h 10m

C$ 839

LondonMontreal

YXU - YUL

YXUYUL

London

Wed 21/10

5:40 a.m.-10:21 a.m.

1 stop4h 41m

Montreal Pierre Elliott Trudeau Intl

Thu 22/10

8:40 a.m.-2:55 p.m.

2 stops6h 15m

C$ 841

LondonMontreal

YXU - YUL

YXUYUL

London

Tue 16/6

10:05 a.m.-3:24 p.m.

2 stops5h 19m

Montreal Pierre Elliott Trudeau Intl

Wed 17/6

9:45 a.m.-5:33 p.m.

2 stops7h 48m

C$ 842

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/5

Showing 1-10 of 20 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, August is the cheapest month in which you can book a flight from London, Ontario to Montreal (average of C$ 355). Flying from London, Ontario to Montreal in April is currently the most expensive (average of C$ 666). 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 28 May 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
11,095 reviews
Check prices

Boarding

7.3

Comfort

7.1

Entertainment

6.8

Overall

7.1

Food

6.3

Crew

7.8

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
11,095 reviews
Air Canada
7.1
Good
11,095 reviews
Check prices

Boarding

7.3

Comfort

7.1

Entertainment

6.8

Overall

7.1

Food

6.3

Crew

7.8

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 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 18m. 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, August is the cheapest month in which you can book a flight from London, Ontario to Montreal (average of C$ 355). Flying from London, Ontario to Montreal in April is currently the most expensive (average of C$ 666). 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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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 28 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 544AverageC$ 677FlexibilityNo 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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