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Cheap flights from Montreal to London Gatwick Airport from C$ 365

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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — LGW
15 Oct — 22 Oct1
1 adult
1 adult, Economy

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 15 September 2025.

Round-trip from

C$ 735

One-way from

C$ 365

Popular in

December

Cheapest in

January

Average price

C$ 776

Good round-trip deal

C$ 894 or less

Good one-way deal

C$ 485 or less
Air Transat
  • Air Transat
  • 4/10-10/10
  • 2 total stops
  • 33h 22m total
  • Montreal to London
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3/10
  • 3/10
  • 2 total stops
  • 17h 40m total
  • Montreal to London
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Highest demand for flights based on searches. 7% potential increase in price (C$ 104 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease (C$ 78 potential savings vs. average RT price).
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Average for round-trip flights in September 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

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 15 September 2025.

Sat 4/106:45 a.m.YUL - LGW
1 stop23h 00mAir Transat
Wed 29/1011:40 a.m.LGW - YUL
1 stop26h 00mAir Transat
Deal found 13/9C$ 735
Mon 10/115:25 p.m.YUL - LGW
1 stop11h 20mAir Transat
Fri 21/1111:40 a.m.LGW - YUL
1 stop11h 45mAir Transat
Deal found 13/9C$ 738
Tue 30/96:00 p.m.YUL - LGW
1 stop11h 45mAir Transat
Thu 4/1211:40 a.m.LGW - YUL
1 stop15h 30mAir Transat
Deal found 14/9C$ 741
Sun 5/1010:00 a.m.YUL - LGW
1 stop19h 45mAir Transat
Fri 10/1011:35 a.m.LGW - YUL
Nonstop7h 40mAir Transat
Deal found 14/9C$ 742
Sat 4/1010:00 a.m.YUL - LGW
1 stop19h 45mAir Transat
Fri 10/1012:40 p.m.LGW - YUL
1 stop16h 57mAir Transat
Deal found 14/9C$ 743
Fri 24/1010:00 a.m.YUL - LGW
1 stop19h 45mAir Transat
Fri 31/1011:40 a.m.LGW - YUL
1 stop16h 55mAir Transat
Deal found 14/9C$ 745
Tue 11/112:30 p.m.YUL - LGW
1 stop14h 15mPorter Airlines
Mon 17/1111:40 a.m.LGW - YUL
1 stop15h 30mPorter Airlines
Deal found 14/9C$ 746
Tue 30/96:45 a.m.YUL - LGW
1 stop23h 00mAir Transat
Thu 9/1011:35 a.m.LGW - YUL
Nonstop7h 40mAir Transat
Deal found 13/9C$ 749
Sat 15/113:55 p.m.YUL - LGW
1 stop12h 50mAir Transat
Wed 19/1111:40 a.m.LGW - YUL
1 stop11h 45mAir Transat
Deal found 14/9C$ 750
Mon 13/1010:05 p.m.YUL - LGW
Nonstop6h 45mPorter Airlines
Wed 29/1011:40 a.m.LGW - YUL
1 stop14h 30mPorter Airlines
Deal found 13/9C$ 752
Wed 24/910:05 p.m.YUL - LGW
Nonstop6h 45mAir Transat
Fri 10/1011:35 a.m.LGW - YUL
Nonstop7h 40mAir Transat
Deal found 14/9C$ 753
Tue 30/96:00 p.m.YUL - LGW
1 stop11h 45mAir Transat
Tue 2/1211:40 a.m.LGW - YUL
1 stop11h 45mAir Transat
Deal found 14/9C$ 754

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 15 September 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

Tue 30/9

6:00 p.m.-10:45 a.m.

1 stop11h 45m

London Gatwick

Thu 4/12

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

1 stop15h 30m

C$ 741

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Mon 29/9

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

Nonstop6h 45m

London Gatwick

Fri 28/11

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

1 stop11h 45m

C$ 756

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sat 4/10

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

Nonstop6h 45m

London Gatwick

Sun 30/11

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

1 stop11h 45m

C$ 756

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Mon 29/9

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

Nonstop6h 45m

London Gatwick

Mon 1/12

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

1 stop15h 30m

C$ 756

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sun 28/9

6:45 a.m.-10:45 a.m.

1 stop23h 00m

London Gatwick

Mon 1/12

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

1 stop15h 30m

C$ 765

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 2/10

4:00 p.m.-10:45 a.m.

1 stop13h 45m

London Gatwick

Wed 3/12

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

1 stop15h 30m

C$ 765

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Mon 13/10

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

Nonstop6h 45m

London Gatwick

Wed 22/10

12:40 p.m.-12:37 a.m.

1 stop16h 57m

C$ 785

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 2/10

4:00 p.m.-10:45 a.m.

1 stop13h 45m

London Gatwick

Sat 29/11

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

1 stop11h 45m

C$ 785

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Mon 13/10

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

Nonstop6h 45m

London Gatwick

Fri 31/10

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

1 stop14h 30m

C$ 792

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sat 4/10

10:00 a.m.-10:45 a.m.

1 stop19h 45m

London Gatwick

Mon 1/12

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

1 stop11h 45m

C$ 821

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/9

Showing 1-10 of 19 results
1
2

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, January is the cheapest month in which you can book a flight from Montreal to London Gatwick Airport (average of C$ 511). Flying from Montreal to London Gatwick Airport in July is currently the most expensive (average of C$ 793). 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 15 September 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.

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 92% 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.

Lisbon (LIS) is the most affordable 1-stop option, with an average round-trip price of C$ 678.

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 55m.

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 4h 47m.

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 15 September 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
7.9
Good
363 reviews
Check prices

Food

7.6

Crew

8.6

Entertainment

7.0

Boarding

8.1

Comfort

7.9

Overall

7.9

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
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Food

7.6

Crew

8.6

Entertainment

7.0

Boarding

8.1

Comfort

7.9

Overall

7.9

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
7.7
Good
438 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Food

7.6

Crew

8.6

Entertainment

7.0

Boarding

8.1

Comfort

7.9

Overall

7.9

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 11h 45m. Airlines will cover a distance of 5243 km.

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

    TAP AIR PORTUGAL, at C$ 605, was found to be the cheapest airline from Montreal to London Gatwick Airport.Alternate airlines to your destination round-trip include Air Transat and Porter Airlines. Users have found that TAP AIR PORTUGAL is 35% 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$ 992, our data indicates the cheapest price to be C$ 327. The most popular route (Montreal Pierre Elliott Trudeau Intl - London Gatwick), is priced around C$ 663.

  • 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, January is the cheapest month in which you can book a flight from Montreal to London Gatwick Airport (average of C$ 511). Flying from Montreal to London Gatwick Airport in July is currently the most expensive (average of C$ 793). 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
Brentford
Sutton
Hounslow
Slough
Marlow
Milton Keynes
Romford
Watford
Bedford
Luton
Southall

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Montreal to Gatwick

Discover the top 4 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 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapestC$ 605AverageC$ 678FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Air TransatCheapestC$ 657AverageC$ 949FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 719AverageC$ 892FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
British AirwaysCheapestC$ 877AverageC$ 987FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Montreal to Gatwick?

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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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