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Cheap flights from Montreal to London Gatwick Airport from C$ 449

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 25/5. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — LGW
1 May — 8 May1
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 1 April 2026.

Sat 30/56:00 p.m.
YUL
-
LGW
1 stop11h 45m
Air Transat
Sat 6/611:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Air Transat
Deal found 30/3C$ 791
Mon 18/58:35 p.m.
YUL
-
LGW
1 stop9h 10m
Air Transat
Fri 5/611:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Air Transat
Deal found 27/3C$ 793
Sat 9/510:05 p.m.
YUL
-
LGW
Nonstop6h 45m
Air Transat
Sat 16/512:40 p.m.
LGW
-
YUL
1 stop26h 22m
Air Transat
Deal found 30/3C$ 794
Wed 27/511:00 a.m.
YUL
-
LGW
1 stop18h 45m
Air Transat
Sat 6/611:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Air Transat
Deal found 30/3C$ 795
Tue 26/510:05 p.m.
YUL
-
LGW
Nonstop6h 45m
Air Transat
Wed 17/611:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Air Transat
Deal found 31/3C$ 797
Mon 11/58:35 p.m.
YUL
-
LGW
1 stop9h 10m
Air Transat
Wed 13/511:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Air Transat
Deal found 28/3C$ 798
Sat 9/510:05 p.m.
YUL
-
LGW
Nonstop6h 45m
Air Transat
Sun 24/511:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Air Transat
Deal found 31/3C$ 801
Tue 26/510:05 p.m.
YUL
-
LGW
Nonstop6h 45m
Air Transat
Sun 7/611:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Air Transat
Deal found 29/3C$ 802
Thu 4/66:50 p.m.
YUL
-
LGW
1 stop22h 15m
Multiple Airlines
Thu 11/66:10 p.m.
LGW
-
YUL
1 stop22h 25m
Multiple Airlines
Deal found 29/3C$ 804
Thu 7/55:10 p.m.
YUL
-
LGW
1 stop12h 35m
Air Transat
Tue 12/512:40 p.m.
LGW
-
YUL
1 stop16h 57m
Air Transat
Deal found 27/3C$ 805
Sun 3/56:45 a.m.
YUL
-
LGW
1 stop23h 00m
Air Transat
Mon 11/512:40 p.m.
LGW
-
YUL
1 stop12h 50m
Air Transat
Deal found 31/3C$ 807

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 1 April 2026.

Round-trip from

C$ 791

One-way from

C$ 449

Popular in

December

Cheapest in

May

Average price

C$ 963

Good round-trip deal

C$ 724 or less

Good one-way deal

C$ 551 or less
Air Transat
  • Air Transat
  • 30/5-6/6
  • 1 total stop
  • 19h 25m total
  • Montreal to London
Search Deals
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 25/5
  • 1 total stop
  • 11h 50m total
  • Montreal to London
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
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 1 April 2026.
Use the filters below to find and compare flights from Montreal to London Gatwick Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 28/5

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

Nonstop6h 45m

London Gatwick

Fri 19/6

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

Nonstop7h 40m

C$ 797

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 4/6

6:50 p.m.-10:05 p.m.

1 stop22h 15m

London Gatwick

Thu 11/6

6:10 p.m.-11:35 a.m.

1 stop22h 25m

C$ 804

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sun 31/5

11:00 a.m.-10:45 a.m.

1 stop18h 45m

London Gatwick

Fri 19/6

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

Nonstop7h 40m

C$ 808

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sun 17/5

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

1 stop12h 35m

London Gatwick

Tue 19/5

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

1 stop11h 40m

C$ 809

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sun 31/5

11:00 a.m.-10:45 a.m.

1 stop18h 45m

London Gatwick

Tue 16/6

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

1 stop11h 40m

C$ 819

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Mon 1/6

4:15 p.m.-7:55 a.m.

1 stop10h 40m

London Gatwick

Wed 17/6

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

Nonstop7h 40m

C$ 851

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Wed 3/6

11:00 a.m.-10:45 a.m.

1 stop18h 45m

London Gatwick

Sun 7/6

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

Nonstop7h 40m

C$ 961

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 18/6

10:45 p.m.-11:20 a.m.

2 stops31h 35m

London Gatwick

Sun 21/6

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

1 stop15h 35m

C$ 1,059

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 18/6

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

Nonstop6h 45m

London Gatwick

Sun 21/6

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

Nonstop7h 40m

C$ 1,062

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Fri 15/5

6:15 p.m.-12:05 p.m.

1 stop12h 50m

London Gatwick

Mon 18/5

6:15 p.m.-2:00 p.m.

1 stop24h 45m

C$ 1,063

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/3

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

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$ 479). Flying from Montreal to London Gatwick Airport in July is currently the most expensive (average of C$ 899). 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 93% 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$ 784.

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 Toronto (YYZ) have the shortest average one-way travel time for 1-stop routes: 11h 10m.

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 2h 57m.

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 1 April 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
530 reviews
Check prices

Overall

7.7

Comfort

7.3

Boarding

7.9

Crew

8.5

Entertainment

7.0

Food

6.8

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
530 reviews
Air Transat
7.7
Good
530 reviews
Check prices

Overall

7.7

Comfort

7.3

Boarding

7.9

Crew

8.5

Entertainment

7.0

Food

6.8

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 6h 45m. Airlines will cover a distance of 5243 km. Most flights are nonstop.

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

    Air Transat, at C$ 662, 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$ 784, our data indicates the cheapest price to be C$ 76. The most popular route (Montreal Pierre Elliott Trudeau Intl - London Gatwick), is priced around C$ 737.

  • 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$ 479). Flying from Montreal to London Gatwick Airport in July is currently the most expensive (average of C$ 899). 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
Gatwick
Twickenham
Bromley
Sutton
Slough
Marlow
Cobham
Watford
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 1 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 662AverageC$ 954FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 739AverageC$ 987FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

Fly with Cheapflights

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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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