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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 19/11. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — LGW
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 30 October 2025.

Round-trip from

C$ 771

One-way from

C$ 412

Popular in

November

Cheapest in

January

Average price

C$ 931

Good round-trip deal

C$ 758 or less

Good one-way deal

C$ 410 or less
Porter Airlines
  • Porter Airlines
  • 24/11-9/12
  • 2 total stops
  • 29h 55m total
  • Montreal to London
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19/11
  • 19/11
  • 2 total stops
  • 20h 50m total
  • Montreal to London
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Highest demand for flights based on searches. 22% potential increase in price (C$ 399 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 62 potential savings vs. average RT price).
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Average for round-trip flights in October 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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Find 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 30 October 2025.

Mon 24/1110:35 a.m.YUL - LGW
1 stop18h 10mPorter Airlines
Wed 26/1111:40 a.m.LGW - YUL
1 stop15h 40mPorter Airlines
Deal found 30/10C$ 771
Sun 23/119:45 p.m.YUL - LGW
2 stops17h 50mTAP AIR PORTUGAL
Wed 3/1210:40 a.m.LGW - YUL
1 stop14h 35mTAP AIR PORTUGAL
Deal found 29/10C$ 781
Mon 24/115:25 p.m.YUL - LGW
1 stop11h 20mPorter Airlines
Mon 8/1211:40 a.m.LGW - YUL
1 stop15h 45mPorter Airlines
Deal found 30/10C$ 782
Wed 19/112:30 p.m.YUL - LGW
1 stop14h 15mPorter Airlines
Mon 24/1111:40 a.m.LGW - YUL
1 stop15h 40mPorter Airlines
Deal found 29/10C$ 788
Mon 1/126:45 a.m.YUL - LGW
1 stop22h 00mPorter Airlines
Wed 3/1211:40 a.m.LGW - YUL
1 stop11h 45mPorter Airlines
Deal found 28/10C$ 789
Tue 25/115:25 p.m.YUL - LGW
1 stop11h 20mPorter Airlines
Tue 9/1211:40 a.m.LGW - YUL
1 stop11h 45mPorter Airlines
Deal found 30/10C$ 790
Fri 28/112:30 p.m.YUL - LGW
1 stop14h 15mAir Transat
Sat 6/1211:40 a.m.LGW - YUL
1 stop11h 45mAir Transat
Deal found 29/10C$ 792
Sat 22/116:45 a.m.YUL - LGW
1 stop22h 00mAir Transat
Wed 26/1111:40 a.m.LGW - YUL
1 stop11h 45mAir Transat
Deal found 30/10C$ 793
Sun 23/1110:35 a.m.YUL - LGW
1 stop18h 10mAir Transat
Sat 29/1111:40 a.m.LGW - YUL
1 stop11h 45mAir Transat
Deal found 30/10C$ 795
Fri 28/112:30 p.m.YUL - LGW
1 stop14h 15mAir Transat
Fri 5/1211:40 a.m.LGW - YUL
1 stop15h 45mAir Transat
Deal found 28/10C$ 797
Sat 29/113:55 p.m.YUL - LGW
1 stop12h 50mAir Transat
Fri 5/1211:40 a.m.LGW - YUL
1 stop11h 45mAir Transat
Deal found 28/10C$ 799

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 30 October 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

Mon 24/11

10:35 a.m.-9:45 a.m.

1 stop18h 10m

London Gatwick

Tue 9/12

11:40 a.m.-6:25 p.m.

1 stop11h 45m

C$ 771

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Fri 30/1

9:40 p.m.-7:25 p.m.

1 stop16h 45m

London Gatwick

Sun 15/3

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

1 stop16h 10m

C$ 779

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Wed 19/11

2:30 p.m.-9:45 a.m.

1 stop14h 15m

London Gatwick

Mon 24/11

11:40 a.m.-10:20 p.m.

1 stop15h 40m

C$ 788

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Mon 1/12

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

1 stop22h 00m

London Gatwick

Wed 3/12

11:40 a.m.-6:25 p.m.

1 stop11h 45m

C$ 789

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Mon 2/3

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

1 stop18h 30m

London Gatwick

Tue 10/3

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

1 stop33h 15m

C$ 790

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Mon 1/12

10:35 a.m.-9:45 a.m.

1 stop18h 10m

London Gatwick

Mon 8/12

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

1 stop17h 55m

C$ 796

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sun 11/1

2:30 p.m.-9:45 a.m.

1 stop14h 15m

London Gatwick

Wed 14/1

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

1 stop14h 15m

C$ 797

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sat 10/1

3:55 p.m.-9:45 a.m.

1 stop12h 50m

London Gatwick

Wed 14/1

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

1 stop14h 15m

C$ 797

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Mon 12/1

2:30 p.m.-9:45 a.m.

1 stop14h 15m

London Gatwick

Sat 17/1

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

1 stop14h 15m

C$ 797

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Mon 12/1

2:30 p.m.-9:45 a.m.

1 stop14h 15m

London Gatwick

Sun 18/1

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

1 stop17h 55m

C$ 799

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/10

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$ 480). Flying from Montreal to London Gatwick Airport in July is currently the most expensive (average of C$ 901). 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 30 October 2025.

It’s typically best to fly out from Montreal to London Gatwick Airport at noon. Doing so could potentially save you 21% on the flight price compared to flying in the evening, which is usually more expensive.

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 30 October 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
384 reviews
Check prices

Comfort

8.0

Boarding

8.2

Food

7.6

Overall

8.0

Entertainment

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
8.0
Very good
384 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Comfort

8.0

Boarding

8.2

Food

7.6

Overall

8.0

Entertainment

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Transat
7.8
Good
469 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Comfort

8.0

Boarding

8.2

Food

7.6

Overall

8.0

Entertainment

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

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 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$ 663, was found to be the cheapest airline from Montreal to London Gatwick Airport.Alternate airlines to your destination round-trip include Porter Airlines and British Airways. Users have found that Air Transat is 33% 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$ 606, our data indicates the cheapest price to be C$ 108. The most popular route (Montreal Pierre Elliott Trudeau Intl - London Gatwick), is priced around C$ 652.

  • 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$ 480). Flying from Montreal to London Gatwick Airport in July is currently the most expensive (average of C$ 901). 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
Hounslow
Slough
Marlow
Milton Keynes
Romford
Watford
Bedford
Luton
Gatwick

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Top 3 airlines flying from Montreal to Gatwick

Discover the top 3 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 30 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 663AverageC$ 961FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 735AverageC$ 914FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
British AirwaysCheapestC$ 851AverageC$ 979FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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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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