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Cheap flights from Montreal to London Gatwick Airport from C$ 344

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 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — LGW
16 Mar — 23 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Montreal to Gatwick

Enter your travel dates to find the best prices.

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

Wed 18/29:45 p.m.
YUL
-
LGW
1 stop12h 20m
TAP AIR PORTUGAL
Fri 27/210:40 a.m.
LGW
-
YUL
1 stop14h 35m
TAP AIR PORTUGAL
Deal found 11/2C$ 655
Fri 22/510:45 p.m.
YUL
-
LGW
1 stop11h 55m
TAP AIR PORTUGAL
Fri 5/610:35 a.m.
LGW
-
YUL
1 stop15h 35m
TAP AIR PORTUGAL
Deal found 10/2C$ 663
Fri 5/610:45 p.m.
YUL
-
LGW
1 stop11h 55m
TAP AIR PORTUGAL
Mon 15/610:35 a.m.
LGW
-
YUL
1 stop15h 35m
TAP AIR PORTUGAL
Deal found 14/2C$ 677
Mon 1/610:45 p.m.
YUL
-
LGW
1 stop11h 50m
TAP AIR PORTUGAL
Wed 10/610:35 a.m.
LGW
-
YUL
1 stop15h 10m
TAP AIR PORTUGAL
Deal found 13/2C$ 679
Fri 12/610:45 p.m.
YUL
-
LGW
1 stop30h 00m
TAP AIR PORTUGAL
Wed 24/610:35 a.m.
LGW
-
YUL
1 stop15h 10m
TAP AIR PORTUGAL
Deal found 10/2C$ 690
Mon 1/610:45 p.m.
YUL
-
LGW
1 stop11h 50m
TAP AIR PORTUGAL
Sun 14/610:35 a.m.
LGW
-
YUL
1 stop15h 35m
TAP AIR PORTUGAL
Deal found 13/2C$ 692
Fri 12/610:45 p.m.
YUL
-
LGW
1 stop11h 55m
TAP AIR PORTUGAL
Wed 17/610:35 a.m.
LGW
-
YUL
1 stop15h 10m
TAP AIR PORTUGAL
Deal found 12/2C$ 696
Mon 25/510:45 p.m.
YUL
-
LGW
1 stop11h 50m
TAP AIR PORTUGAL
Mon 1/610:35 a.m.
LGW
-
YUL
1 stop15h 35m
TAP AIR PORTUGAL
Deal found 14/2C$ 697

Find flight deals from Montreal to Gatwick

Discover tips and strategies to find the most affordable flight options for your journey from Montreal (YMQ) to Gatwick (LGW). 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 February 2026.

Round-trip from

C$ 663

One-way from

C$ 344

Popular in

December

Cheapest in

May

Average price

C$ 948

Good round-trip deal

C$ 185 or less

Good one-way deal

C$ 216 or less
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 22/5-5/6
  • 2 total stops
  • 27h 30m total
  • Montreal to London
Search Deals
18/3
  • 18/3
  • 1 total stop
  • 15h 55m total
  • Montreal to London
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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Price to beat on a round-trip flight from Montreal (YMQ) to London Gatwick.
Search Deals
Price to beat on a one-way flight from Montreal (YMQ) to London Gatwick.
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Cheapflights Fare Finder

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

Fly from

Montreal

Fly to

Gatwick

Route

Depart

Return

Price

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Fri 8/5

8:35 p.m.-10:45 a.m.

1 stop9h 10m

London Gatwick

Sun 17/5

11:35 a.m.-2:15 p.m.

Nonstop7h 40m

C$ 753

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 7/5

10:05 p.m.-9:50 a.m.

Nonstop6h 45m

London Gatwick

Thu 14/5

12:40 p.m.-7:20 p.m.

1 stop11h 40m

C$ 754

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Tue 5/5

8:35 p.m.-10:45 a.m.

1 stop9h 10m

London Gatwick

Sun 10/5

11:35 a.m.-2:15 p.m.

Nonstop7h 40m

C$ 754

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sat 2/5

10:05 p.m.-9:50 a.m.

Nonstop6h 45m

London Gatwick

Thu 14/5

12:40 p.m.-7:20 p.m.

1 stop11h 40m

C$ 754

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Mon 11/5

8:35 p.m.-10:45 a.m.

1 stop9h 10m

London Gatwick

Fri 22/5

11:35 a.m.-2:15 p.m.

Nonstop7h 40m

C$ 757

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Tue 24/2

5:25 p.m.-9:45 a.m.

1 stop11h 20m

London Gatwick

Sun 8/3

11:40 a.m.-4:52 p.m.

1 stop33h 12m

C$ 761

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

8:35 p.m.-10:45 a.m.

1 stop9h 10m

London Gatwick

Fri 8/5

11:35 a.m.-2:15 p.m.

Nonstop7h 40m

C$ 764

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Tue 5/5

5:10 p.m.-10:45 a.m.

1 stop12h 35m

London Gatwick

Tue 12/5

12:40 p.m.-7:20 p.m.

1 stop11h 40m

C$ 765

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Tue 5/5

5:10 p.m.-10:45 a.m.

1 stop12h 35m

London Gatwick

Mon 11/5

12:40 p.m.-7:30 p.m.

1 stop11h 50m

C$ 765

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Tue 5/5

8:35 p.m.-10:45 a.m.

1 stop9h 10m

London Gatwick

Thu 14/5

12:40 p.m.-7:20 p.m.

1 stop11h 40m

C$ 765

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/2

Showing 1-10 of 23 results
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Best time to book a flight from Montreal to Gatwick

Have a flexible travel schedule? Discover the best time to fly to Gatwick from Montreal 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 Montreal to London Gatwick Airport

What is the cheapest month to book a flight from Montreal to London Gatwick Airport?

Currently, December is the cheapest month in which you can book a flight from Montreal to London Gatwick Airport (average of C$ 468). Flying from Montreal to London Gatwick Airport in April is currently the most expensive (average of C$ 880). 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.

What’s the top layover airport for flights from Montreal to London Gatwick Airport?

Share of one-stop round-trip flights from Montreal to London Gatwick Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

Toronto (YYZ) – chosen by Cheapflights users on 94% of one-stop itineraries from Montreal to London Gatwick Airport on Cheapflights.

What’s the cheapest layover airport for flights from Montreal to London Gatwick Airport?

Average round-trip fare for 1-stop flights from Montreal to London Gatwick Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Toronto (YYZ) is the most affordable 1-stop option, with an average round-trip price of C$ 789.

What’s the fastest layover option from Montreal to London Gatwick Airport?

Shortest average travel time for 1-stop one-way flights from Montreal to London Gatwick Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Lisbon (LIS) have the shortest average one-way travel time for 1-stop routes: 13h 00m.

Which airport typically offers the quickest layover for flights from Montreal to London Gatwick Airport?

Average layover duration for 1-stop one-way flights from Montreal to London Gatwick Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Toronto (YYZ) offer the fastest connection on this route, with an average layover time of 3h 59m.

How often are flights from Montreal to London delayed?

About 7% of weekly flights between Montreal and London have experienced delays in the past year, with the average delay time being 122 minutes.

What is the most punctual flight time for Montreal to London flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Montreal to London flights?

Over the past year, Air Transat has had the lowest number of delays on this route, with just 7% of flights being delayed.

Reviews of airlines servicing Gatwick

Get insights into the airlines that provide service to Gatwick. 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 Gatwick. Reviews last updated 14 February 2026.
See what other customers who have flown with Air Transat from Montreal to London Gatwick Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Transat
7.7
Good
508 reviews
Check prices

Comfort

7.3

Boarding

7.9

Entertainment

7.0

Overall

7.7

Food

6.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Transat
7.7
Good
508 reviews
Air Transat
7.7
Good
508 reviews
Check prices

Comfort

7.3

Boarding

7.9

Entertainment

7.0

Overall

7.7

Food

6.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.

Related info for your journey

Find useful and relevant information for your journey from Montreal to Gatwick. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Montreal to London Gatwick Airport?

    Departing from Montreal to London Gatwick Airport will take you 9h 10m. Airlines will cover a distance of 5243 km.

  • What are the cheapest airlines flying from Montreal to London Gatwick Airport round-trip?

    Air Transat, at C$ 647, was found to be the cheapest airline from Montreal to London Gatwick Airport. An alternate airline flying to your destination would be Porter Airlines.

  • What are the cheapest flights from Montreal to London Gatwick Airport?

    Looking for the cheapest flight from Montreal to London Gatwick Airport? While on average our users pay C$ 675, our data indicates the cheapest price to be C$ 73. The most popular route (Montreal Pierre Elliott Trudeau Intl - London Gatwick), is priced around C$ 679.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Montreal to Gatwick 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 Montreal to London Gatwick Airport?

    Currently, December is the cheapest month in which you can book a flight from Montreal to London Gatwick Airport (average of C$ 468). Flying from Montreal to London Gatwick Airport in April is currently the most expensive (average of C$ 880). 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 London Gatwick Airport?

Book flights to London Gatwick Airport if you plan to visit one of these locations
Sutton
Twickenham
Gatwick
Slough
Marlow
Cobham
Milton Keynes
Romford
Watford
Bedford
Luton
High Wycombe
Hounslow

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Montreal to Gatwick

Discover the top 2 airlines that operate flights from Montreal to Gatwick. 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 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 647AverageC$ 943FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 721AverageC$ 965FlexibilityNo cancel feeOn-time52%
Search Porter Airlines 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 Montreal to Gatwick?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Montreal to Gatwick. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights helps you find that perfect flight to Gatwick from Montreal by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes, we can. To see specific flights from Montreal to Gatwick 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 Montreal to Gatwick become cheaper?

Yes! Start tracking prices for Montreal to Gatwick 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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