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Cheap flights from Montreal to London Gatwick Airport from C$ 412

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 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — LGW
22 Jan — 29 Jan1
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 23 December 2025.

Wed 31/126:45 a.m.YUL - LGW
1 stop22h 00mAir Transat
Fri 16/111:40 a.m.LGW - YUL
1 stop26h 40mAir Transat
Deal found 22/12C$ 1,049
Wed 31/1210:15 a.m.YUL - LGW
1 stop18h 30mAir Transat
Mon 26/111:40 a.m.LGW - YUL
1 stop14h 15mAir Transat
Deal found 22/12C$ 1,070
Wed 31/129:45 p.m.YUL - LGW
2 stops31h 15mTAP AIR PORTUGAL
Mon 26/110:40 a.m.LGW - YUL
1 stop14h 35mTAP AIR PORTUGAL
Deal found 22/12C$ 1,125
Fri 26/126:45 a.m.YUL - LGW
1 stop22h 00mAir Transat
Mon 26/111:40 a.m.LGW - YUL
1 stop26h 40mAir Transat
Deal found 21/12C$ 1,173
Fri 26/125:25 p.m.YUL - LGW
1 stop11h 20mAir Transat
Fri 16/111:40 a.m.LGW - YUL
1 stop17h 55mAir Transat
Deal found 21/12C$ 1,194
Fri 26/127:20 p.m.YUL - LGW
1 stop15h 20mMultiple Airlines
Mon 26/19:35 a.m.LGW - YUL
2 stops15h 40mMultiple Airlines
Deal found 21/12C$ 1,364
Sat 27/125:25 p.m.YUL - LGW
1 stop11h 20mPorter Airlines
Fri 9/111:40 a.m.LGW - YUL
1 stop17h 55mPorter Airlines
Deal found 22/12C$ 1,370
Fri 26/126:20 p.m.YUL - LGW
1 stop10h 25mAir Transat
Wed 31/1211:40 a.m.LGW - YUL
1 stop15h 40mAir Transat
Deal found 21/12C$ 1,410
Wed 31/129:45 p.m.YUL - LGW
1 stop12h 20mTAP AIR PORTUGAL
Fri 16/110:45 a.m.LGW - YUL
2 stops26h 47mTAP AIR PORTUGAL
Deal found 22/12C$ 1,424
Sat 27/123:55 p.m.YUL - LGW
1 stop12h 50mAir Transat
Wed 31/1211:40 a.m.LGW - YUL
1 stop11h 45mAir Transat
Deal found 22/12C$ 1,450
Fri 26/126:20 p.m.YUL - LGW
1 stop10h 25mAir Transat
Sat 10/111:40 a.m.LGW - YUL
1 stop27h 25mAir Transat
Deal found 20/12C$ 1,469

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 23 December 2025.

Round-trip from

C$ 812

One-way from

C$ 412

Popular in

December

Cheapest in

January

Average price

C$ 1,428

Good round-trip deal

C$ 820 or less

Good one-way deal

C$ 546 or less
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 18/5-17/6
  • 2 total stops
  • 27h 00m total
  • Montreal to London
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1/2
  • 1/2
  • 1 total stop
  • 15h 55m total
  • Montreal to London
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Highest demand for flights based on searches. 9% potential increase in price (C$ 144 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease (C$ 66 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Price to beat on a round-trip flight from Montreal (YMQ) to London Gatwick.
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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 23 December 2025.
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 13/3

6:45 a.m.-9:45 a.m.

1 stop23h 00m

London Gatwick

Mon 23/3

11:40 a.m.-4:55 p.m.

1 stop33h 15m

C$ 814

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sat 4/4

7:20 p.m.-10:45 a.m.

1 stop10h 25m

London Gatwick

Sat 11/4

12:40 p.m.-12:35 a.m.

1 stop16h 55m

C$ 816

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Fri 13/3

10:40 p.m.-7:25 p.m.

1 stop16h 45m

London Gatwick

Fri 20/3

8:30 a.m.-8:40 p.m.

1 stop16h 10m

C$ 821

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sat 14/2

10:15 a.m.-9:45 a.m.

1 stop18h 30m

London Gatwick

Mon 2/3

11:40 a.m.-8:55 p.m.

1 stop14h 15m

C$ 825

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Wed 21/1

10:15 a.m.-9:45 a.m.

1 stop18h 30m

London Gatwick

Sun 25/1

11:40 a.m.-12:35 a.m.

1 stop17h 55m

C$ 825

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Fri 13/3

10:15 a.m.-9:45 a.m.

1 stop19h 30m

London Gatwick

Fri 20/3

11:40 a.m.-9:20 a.m.

1 stop25h 40m

C$ 827

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Wed 15/4

7:20 p.m.-10:45 a.m.

1 stop10h 25m

London Gatwick

Sun 26/4

12:40 p.m.-12:35 a.m.

1 stop16h 55m

C$ 837

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Fri 17/4

7:20 p.m.-10:45 a.m.

1 stop10h 25m

London Gatwick

Thu 23/4

12:40 p.m.-12:35 a.m.

1 stop16h 55m

C$ 837

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Tue 14/4

7:20 p.m.-10:45 a.m.

1 stop10h 25m

London Gatwick

Mon 27/4

12:40 p.m.-12:35 a.m.

1 stop16h 55m

C$ 837

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Wed 15/4

7:20 p.m.-10:45 a.m.

1 stop10h 25m

London Gatwick

Mon 27/4

12:40 p.m.-12:35 a.m.

1 stop16h 55m

C$ 837

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/12

Showing 1-10 of 20 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$ 474). Flying from Montreal to London Gatwick Airport in April is currently the most expensive (average of C$ 889). 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 is the cheapest time of day to fly from YMQ to LGW?

Find hourly flight availability from Montreal to Gatwick. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 December 2025.

It’s typically best to fly out from Montreal to London Gatwick Airport at noon. Doing so could potentially save you 20% on the flight price compared to flying in the morning, which is usually more expensive.

How much does it cost to fly round-trip from Montreal to London Gatwick Airport?

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 23 December 2025.
See what other customers who have flown with Porter Airlines and 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.
Porter Airlines
8.0
Very good
399 reviews
Check prices

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

7.0

Food

7.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
8.0
Very good
399 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

7.0

Food

7.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Transat
7.8
Good
484 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

7.0

Food

7.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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 18h 30m. Airlines will cover a distance of 5243 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Air Transat, at C$ 654, was found to be the cheapest airline from Montreal to London Gatwick Airport. An alternate airline flying to your destination would be Porter Airlines. Users have found that Air Transat is 32% cheaper than the other options available to this destination.

  • 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$ 726, our data indicates the cheapest price to be C$ 241. The most popular route (Montreal Pierre Elliott Trudeau Intl - London Gatwick), is priced around C$ 642.

  • 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$ 474). Flying from Montreal to London Gatwick Airport in April is currently the most expensive (average of C$ 889). 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
Milton Keynes
Romford
Watford
Bedford
Luton
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 23 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 654AverageC$ 940FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 729AverageC$ 975FlexibilityNo 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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