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Cheap flights from Montreal to London Gatwick Airport from C$ 389

YMQ — LGW
25 Sep — 2 Oct1
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

Sun 20/910:05 p.m. -
Nonstop6h 45m
Mon 28/911:35 a.m. -
Nonstop7h 40m
Deal found 23/8C$ 737
Thu 8/1010:45 p.m. -
2 stops19h 35m
Wed 14/107:10 a.m. -
2 stops18h 35m
Deal found 21/8C$ 746
Sat 7/116:30 p.m. -
1 stop23h 40m
Sat 14/119:25 a.m. -
1 stop32h 05m
Deal found 22/8C$ 748
Sat 28/116:30 p.m. -
1 stop23h 40m
Sat 12/129:25 a.m. -
1 stop32h 05m
Deal found 23/8C$ 759
Wed 4/119:45 p.m. -
1 stop12h 20m
Thu 19/118:50 a.m. -
2 stops20h 40m
Deal found 21/8C$ 762
Sat 22/810:05 p.m. -
Nonstop6h 45m
Sat 29/811:35 a.m. -
Nonstop7h 40m
Deal found 21/8C$ 766
Fri 13/1110:10 p.m. -
1 stop15h 00m
Fri 27/115:00 p.m. -
1 stop26h 35m
Deal found 21/8C$ 768
Mon 12/108:35 p.m. -
1 stop9h 10m
Wed 14/1010:00 p.m. -
2 stops26h 32m
Deal found 21/8C$ 770
Mon 5/105:00 p.m. -
1 stop12h 45m
Mon 12/109:40 a.m. -
1 stop14h 52m
Deal found 21/8C$ 771

Find flight deals from Montreal to Gatwick

Round-trip from

C$ 737

One-way from

C$ 389

Popular in

December

Cheapest in

November

Average price

C$ 1,014

Good round-trip deal

C$ 803 or less

Good one-way deal

C$ 375 or less
Air Transat
  • Air Transat
  • 20/9-28/9
  • Nonstop
  • 14h 25m total
  • Montreal to London
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Air Transat
  • Air Transat
  • 24/9
  • Nonstop
  • 6h 45m total
  • Montreal to London
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (C$ 6 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 24 potential savings vs. average RT price).
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Average for round-trip flights in August 2026
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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

 
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

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LGW London Gatwick

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sun 22/11

8:15 p.m.-7:10 p.m.

1 stop17h 55m

London Gatwick

Mon 30/11

9:55 a.m.-12:15 p.m.

1 stop31h 20m

C$ 828

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LGW London Gatwick

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 8/10

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

1 stop18h 35m

London Gatwick

Thu 15/10

7:30 a.m.-5:20 p.m.

1 stop14h 50m

C$ 845

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LGW London Gatwick

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sat 21/11

2:15 p.m.-9:45 a.m.

1 stop14h 30m

London Gatwick

Sun 29/11

11:40 a.m.-7:15 p.m.

1 stop12h 35m

C$ 878
Quickest round-trip

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LGW London Gatwick

YULLGW

Montreal Pierre Elliott Trudeau Intl

Tue 3/11

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

1 stop11h 20m

London Gatwick

Sun 8/11

11:40 a.m.-7:15 p.m.

1 stop12h 35m

C$ 901

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LGW London Gatwick

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 22/10

5:00 p.m.-7:55 a.m.

1 stop9h 55m

London Gatwick

Sun 25/10

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

1 stop16h 55m

C$ 1,004

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LGW London Gatwick

YULLGW

Montreal Pierre Elliott Trudeau Intl

Wed 23/9

7:00 p.m.-4:00 p.m.

1 stop16h 00m

London Gatwick

Tue 6/10

10:35 a.m.-11:25 p.m.

2 stops17h 50m

C$ 1,011

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LGW London Gatwick

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 15/10

3:10 p.m.-10:45 a.m.

1 stop14h 35m

London Gatwick

Sat 31/10

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

1 stop14h 40m

C$ 1,018

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LGW London Gatwick

YULLGW

Montreal Pierre Elliott Trudeau Intl

Mon 5/10

10:45 p.m.-8:25 p.m.

2 stops16h 40m

London Gatwick

Tue 20/10

9:15 p.m.-8:45 p.m.

2 stops28h 30m

C$ 1,036

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LGW London Gatwick

YULLGW

Montreal Pierre Elliott Trudeau Intl

Wed 14/10

7:00 p.m.-4:00 p.m.

1 stop16h 00m

London Gatwick

Thu 29/10

10:00 a.m.-11:25 p.m.

2 stops17h 25m

C$ 1,083

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LGW London Gatwick

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 19/11

6:50 p.m.-8:35 p.m.

2 stops20h 45m

London Gatwick

Sat 21/11

10:10 a.m.-7:55 p.m.

2 stops38h 45m

C$ 1,133

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/8

Showing 1-10 of 23 resultsSorted by cheapest first
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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

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, November is the cheapest month in which you can book a flight from Montreal to London Gatwick Airport (average of C$ 728). Flying from Montreal to London Gatwick Airport in December is currently the most expensive (average of C$ 1,126). 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?

When flying from Montreal to London Gatwick Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Montreal to London Gatwick Airport

The most flights from YMQ to LGW are scheduled on a Monday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

How often are flights from Montreal to London delayed?

About 14% of weekly flights between Montreal and London have experienced delays in the past year, with the average delay time being 121 minutes.

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

Historically, flights departing in the evening 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?

Thursday 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 14% of flights being delayed.

How far ahead should I book a flight from Montreal to London Gatwick Airport?

The price you pay for your flight from Montreal to London Gatwick Airport may vary depending on when you book. For the best chance of a lower fare, look to book 65 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Gatwick

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
7.8
Good
574 reviews
Check prices

Boarding

8.0

Comfort

7.3

Entertainment

7.1

Crew

8.5

Food

6.8

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Paul,Jul 2026

YUL - LGW

Had to bus to the plane which made priority boarding at the back of the bus
Air Transat
7.8
Good
574 reviews
Air Transat
7.8
Good
574 reviews
Check prices

Boarding

8.0

Comfort

7.3

Entertainment

7.1

Crew

8.5

Food

6.8

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Paul,Jul 2026

YUL - LGW

Had to bus to the plane which made priority boarding at the back of the bus

Related info for your journey

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

    Departing from Montreal to London Gatwick Airport will take you 9h 55m. 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$ 682, 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$ 646, our data indicates the cheapest price to be C$ 369. The most popular route (Montreal Pierre Elliott Trudeau Intl - London Gatwick), is priced around C$ 708.

  • 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, November is the cheapest month in which you can book a flight from Montreal to London Gatwick Airport (average of C$ 728). Flying from Montreal to London Gatwick Airport in December is currently the most expensive (average of C$ 1,126). 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
Romford
Twickenham
Ilford
Bromley
Sutton
Luton
Slough
Marlow
Cobham
Hounslow
Watford
High Wycombe

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Montreal to Gatwick

AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 682AverageC$ 952FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 713AverageC$ 921FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

Fly with Cheapflights

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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