Find flights
Airlines

£145+ Cheap flights from Montreal

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
YMQ — LHR
18 Oct — 25 Oct1
1 adult
1 adult, Economy

What to know about flights from Montreal

Discover essential information about flights departing from Montreal, including flight schedules, destinations, airlines operating at the Montreal airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 18 September 2025.

Cheapest airline

Porter Airlines

Good round-trip deal

£163 or less

Good one-way deal

£129 or less
On average, Porter Airlines currently has the cheapest one-way flight from Montreal (avg. price of £163).
Search Deals
Price to beat on a round-trip flight from Montreal.
Search Deals
Price to beat on a one-way flight from Montreal.
Search Deals

Find flights from Montreal

Cheapest flights from Montreal
Explore the most affordable flight options available from Montreal. Find the lowest fares based on data from user searches, with prices last updated on 18 September 2025.

Fri 7/1114:30YUL - LGW
1 stop14h 15mAir Transat
Thu 13/1111:40LGW - YUL
1 stop11h 45mAir Transat
Deal found 17/9£389
Sun 12/1006:45YUL - LGW
1 stop23h 00mAir Transat
Fri 31/1011:40LGW - YUL
1 stop16h 55mAir Transat
Deal found 16/9£390
Wed 14/110:15YUL - LGW
1 stop18h 30mAir Transat
Tue 20/111:40LGW - YUL
1 stop11h 45mAir Transat
Deal found 17/9£391
Mon 10/1110:35YUL - LGW
1 stop18h 10mAir Transat
Fri 21/1111:40LGW - YUL
1 stop11h 45mAir Transat
Deal found 17/9£391
Sat 11/1006:45YUL - LGW
1 stop23h 00mAir Transat
Fri 31/1011:40LGW - YUL
1 stop14h 30mAir Transat
Deal found 15/9£392
Wed 5/1110:35YUL - LGW
1 stop18h 10mPorter Airlines
Tue 11/1111:40LGW - YUL
1 stop11h 45mPorter Airlines
Deal found 16/9£393
Sun 30/1120:15YUL - STN
1 stop18h 10mMultiple Airlines
Sat 6/1220:25STN - YUL
2 stops25h 30mMultiple Airlines
Deal found 17/9£395
Sat 11/1022:05YUL - LGW
Nonstop6h 45mAir Transat
Wed 29/1011:40LGW - YUL
1 stop16h 55mAir Transat
Deal found 15/9£395
Tue 30/915:10YUL - LGW
1 stop14h 35mAir Transat
Thu 9/1011:35LGW - YUL
Nonstop7h 40mAir Transat
Deal found 15/9£396
Tue 4/1114:30YUL - LGW
1 stop14h 15mAir Transat
Wed 12/1111:40LGW - YUL
1 stop11h 45mAir Transat
Deal found 16/9£397
Mon 1/1220:15YUL - STN
1 stop17h 25mMultiple Airlines
Sat 6/1220:25STN - YUL
2 stops25h 30mMultiple Airlines
Deal found 17/9£398
Sat 15/1110:35YUL - LGW
1 stop18h 10mAir Transat
Fri 28/1111:40LGW - YUL
1 stop11h 45mAir Transat
Deal found 16/9£398

Find flights from Montreal within your budget

 
Find flights departing from Montreal that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 18 September 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sat 11/10

06:45-10:45

1 stop23h 00m

London Gatwick

Fri 31/10

11:40-22:10

1 stop14h 30m

£392

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sun 28/9

06:45-10:45

1 stop23h 00m

London Gatwick

Mon 1/12

11:40-22:10

1 stop15h 30m

£405

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 2/10

16:00-10:45

1 stop13h 45m

London Gatwick

Fri 10/10

11:35-14:15

Nonstop7h 40m

£407

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Mon 13/10

22:05-09:50

Nonstop6h 45m

London Gatwick

Wed 22/10

12:40-00:37

1 stop16h 57m

£415

MontrealGlasgow

YUL - GLA

YULGLA

Montreal Pierre Elliott Trudeau Intl

Thu 30/10

15:10-16:00

2 stops20h 50m

Glasgow Intl

Wed 5/11

20:45-12:00

2 stops20h 15m

£421

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Wed 8/10

16:00-10:45

1 stop13h 45m

London Gatwick

Wed 22/10

12:40-09:02

1 stop25h 22m

£422

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Mon 29/9

22:05-09:50

Nonstop6h 45m

London Gatwick

Tue 7/10

11:35-14:15

Nonstop7h 40m

£426

MontrealLondon

YUL - STN

YULSTN

Montreal Pierre Elliott Trudeau Intl

Sat 4/10

20:15-07:50

2 stops30h 35m

London Stansted

Fri 10/10

19:25-17:55

1 stop27h 30m

£432

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sat 4/10

10:00-10:45

1 stop19h 45m

London Gatwick

Mon 1/12

11:40-18:25

1 stop11h 45m

£434

MontrealGlasgow

YUL - GLA

YULGLA

Montreal Pierre Elliott Trudeau Intl

Mon 27/10

21:40-13:05

1 stop11h 25m

Glasgow Intl

Mon 10/11

12:45-18:45

1 stop11h 00m

£434

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Montreal

Have a flexible travel schedule? Discover the best time to fly from Montreal with our price prediction graph.
Estimated return 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.

Travel insights for flights from Montreal

Get recent, data-driven insights about flights from Montreal including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Montreal?

Use this chart to determine the optimal time to book a return flight from Montreal to Heathrow. Price data was last updated on 12 September 2025.

Booking 45 days in advance of your planned departure date is, on average, the best time to get cheap flights from Montreal. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Montreal?

Currently, January is the cheapest month in which you can book a flight from Montreal (average of £366). Flying from Montreal in July will prove the most costly (average of £528). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Montreal?

Many airlines operate round-trip flights from Montreal: Air Canada, British Airways. These airlines fly to the following popular destinations: London.

Air Canada
Air Canada
From £212
British Airways
British Airways
From £566
Air Transat
Air Transat
From £481
MEA
MEA
From £1,193

What are popular destinations to fly to from Montreal?

If you’re flying from Montreal, these routes are more frequently taken by airlines Toronto (1,380 flights per day), Chicago (432 flights per day) and Paris (356 flights per day).

London
London
From £462
New York
New York
From £169
Toronto
Toronto
From £154

What is the cheapest place to fly to from Montreal?

The cheapest city to fly to from Montreal is Toronto, with prices starting at £113. Explore other affordable destinations below.

Toronto
Toronto
From £154
New York
New York
From £169
Atlanta Hartsfield-Jackson
Atlanta Hartsfield-Jackson
From £176
Charlotte Douglas
Charlotte Douglas
From £199

Airline reviews for flights from Montreal

Get insights into the airlines that provide service from Montreal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Montreal. In the last 7 days, Cheapflights users made a total of 858,174 searches.
Check out reviews from past customers who have flown Air Canada and British Airways from Montreal to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,000 reviews
Check prices

Comfort

7.1

Crew

7.8

Food

6.3

Overall

7.1

Entertainment

6.8

Boarding

7.3

Reviews

1 / 20
8.0
Excellent

Graeme,Sept 2025

YWG - YVR

Why not start boarding from the higher seat numbers? Easier movement for everyone. Easier to put baggage in over head lockers. Unable to get a coffee due to air turbulence, but not offered the chance to have a coffee once it had ceased.
Air Canada
7.1
Good
10,000 reviews
Air Canada
7.1
Good
10,000 reviews
Check prices

Comfort

7.1

Crew

7.8

Food

6.3

Overall

7.1

Entertainment

6.8

Boarding

7.3

Reviews

1 / 20
8.0
Excellent

Graeme,Sept 2025

YWG - YVR

Why not start boarding from the higher seat numbers? Easier movement for everyone. Easier to put baggage in over head lockers. Unable to get a coffee due to air turbulence, but not offered the chance to have a coffee once it had ceased.
British Airways
6.7
Okay
7,367 reviews
Air Canada
7.1
Good
10,000 reviews
Check prices

Comfort

7.1

Crew

7.8

Food

6.3

Overall

7.1

Entertainment

6.8

Boarding

7.3

Reviews

1 / 20
8.0
Excellent

Graeme,Sept 2025

YWG - YVR

Why not start boarding from the higher seat numbers? Easier movement for everyone. Easier to put baggage in over head lockers. Unable to get a coffee due to air turbulence, but not offered the chance to have a coffee once it had ceased.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Direct flights from Canada

Book a direct flight from one of these other cities located in Canada.
Direct flights from Québec City

Related info for your journey

Access useful and relevant information related to your journey from Montreal. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 18 September 2025.

  • What are the most popular destinations to fly to from Montreal?

    This month, the top selected destinations from Montreal are Beirut, Athens, Barcelona-El Prat Airport. Throughout the year, Casablanca, Beirut, Bangkok Suvarnabhumi Airport are some of the top choices made by users flying from Montreal.

  • What are the cheapest airlines flying from Montreal to anywhere?

    Over the past few days, we've found that WestJet, Porter Airlines, and Air Canada have the cheapest prices from Montreal. WestJet flights from Montreal to Cancun (£80), Porter Airlines flights from Montreal to London (£134), and Air Canada flights from Montreal to London Heathrow (£198).

  • What is the cheapest month to fly from Montreal?

    At the present moment the cheapest month to fly from Montreal is currently January; with July being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from Montreal?

    Check out the cheapest flights from Montreal to embark to:
    Travel from Montreal to London from £352 round trip

  • How does Cheapflights help users find flights from Montreal?

    Cheapflights makes it easy to find flights from Montreal by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

  • Why should you use Cheapflights to find cheap flight tickets from Montreal?

    It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Montreal.

  • Can Cheapflights find flights from Montreal with no change fees?

    Need flexible booking options for your flight from Montreal ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

  • Can Cheapflights notify me if prices for flights from Montreal become cheaper?

    Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

See more FAQs

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Montreal?

Cheapflights makes it easy to find flights from Montreal by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Montreal?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Montreal.

Can Cheapflights find flights from Montreal with no change fees?

Need flexible booking options for your flight from Montreal ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Montreal become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.