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£106+ Cheap flights from Montreal

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 24/9. 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
24 Aug — 31 Aug1
1 adult

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 19 August 2025.

Cheapest airline

Porter Airlines

Good round-trip deal

£161 or less

Good one-way deal

£86 or less
On average, Porter Airlines currently has the cheapest one-way flight from Montreal (avg. price of £161).
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Price to beat on a round-trip flight from Montreal.
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Price to beat on a one-way flight from Montreal.
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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 19 August 2025.

Thu 2/1007:00YUL - YYC
Nonstop4h 46mWestJet
Wed 8/1001:00YYC - YUL
1 stop21h 27mWestJet
Deal found 18/8£197
Tue 30/906:45YUL - YYC
1 stop6h 36mWestJet
Sun 5/1006:20YYC - YUL
1 stop16h 07mWestJet
Deal found 18/8£200
Fri 19/908:10YUL - YYC
2 stops12h 05mWestJet
Fri 3/1015:00YYC - YUL
1 stop7h 27mWestJet
Deal found 18/8£205
Tue 21/1006:45YUL - YYC
1 stop7h 36mWestJet
Mon 27/1013:40YYC - YUL
1 stop9h 03mWestJet
Deal found 19/8£208
Wed 17/906:45YUL - YYC
1 stop7h 36mWestJet
Sat 27/901:00YYC - YUL
1 stop21h 27mWestJet
Deal found 18/8£213
Wed 1/1006:45YUL - YYC
1 stop17h 37mWestJet
Sun 5/1006:20YYC - YUL
1 stop16h 07mWestJet
Deal found 18/8£219
Fri 19/908:10YUL - YYC
2 stops12h 05mWestJet
Thu 2/1013:00YYC - YUL
2 stops9h 27mWestJet
Deal found 18/8£219
Fri 19/908:10YUL - YYC
2 stops12h 05mWestJet
Wed 1/1009:00YYC - YUL
2 stops13h 27mWestJet
Deal found 18/8£220
Sun 19/1006:45YUL - LGW
1 stop23h 00mAir Transat
Wed 29/1011:40LGW - YUL
1 stop14h 30mAir Transat
Deal found 17/8£394
Sat 11/1020:05YUL - LHR
1 stop19h 55mAir Canada
Sun 19/1006:00LHR - YUL
1 stop12h 50mAir Canada
Deal found 18/8£394
Sun 5/1016:00YUL - LGW
1 stop13h 45mAir Transat
Tue 14/1011:35LGW - YUL
Nonstop7h 40mAir Transat
Deal found 17/8£395
Wed 15/1018:55YUL - LHR
Nonstop6h 35mMultiple Airlines
Wed 29/1007:40LHR - YUL
1 stop15h 40mMultiple Airlines
Deal found 18/8£395

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 19 August 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

MontrealCalgary

YUL - YYC

YULYYC

Montreal Pierre Elliott Trudeau Intl

Thu 2/10

07:00-09:46

Nonstop4h 46m

Calgary

Wed 8/10

01:00-00:27

1 stop21h 27m

£197

MontrealCalgary

YUL - YYC

YULYYC

Montreal Pierre Elliott Trudeau Intl

Tue 30/9

06:45-11:21

1 stop6h 36m

Calgary

Sun 5/10

06:20-00:27

1 stop16h 07m

£200

MontrealCalgary

YUL - YYC

YULYYC

Montreal Pierre Elliott Trudeau Intl

Thu 2/10

06:45-11:21

1 stop6h 36m

Calgary

Sun 5/10

06:20-00:27

1 stop16h 07m

£200

MontrealCalgary

YUL - YYC

YULYYC

Montreal Pierre Elliott Trudeau Intl

Fri 19/9

08:10-18:15

2 stops12h 05m

Calgary

Fri 3/10

15:00-00:27

1 stop7h 27m

£205

MontrealCalgary

YUL - YYC

YULYYC

Montreal Pierre Elliott Trudeau Intl

Fri 24/10

06:45-11:21

1 stop6h 36m

Calgary

Fri 24/10

15:00-00:27

1 stop7h 27m

£208

MontrealCalgary

YUL - YYC

YULYYC

Montreal Pierre Elliott Trudeau Intl

Tue 21/10

06:45-13:21

1 stop8h 36m

Calgary

Tue 28/10

15:15-00:43

1 stop7h 28m

£208

MontrealCalgary

YUL - YYC

YULYYC

Montreal Pierre Elliott Trudeau Intl

Thu 23/10

07:00-09:46

Nonstop4h 46m

Calgary

Thu 23/10

12:00-00:27

2 stops10h 27m

£211

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sun 19/10

06:45-10:45

1 stop23h 00m

London Gatwick

Wed 29/10

11:40-22:10

1 stop14h 30m

£394

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 22/10

18:55-06:30

Nonstop6h 35m

London Heathrow

Wed 29/10

06:35-19:20

1 stop16h 45m

£394

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Thu 23/10

21:55-09:35

Nonstop6h 40m

London Heathrow

Wed 29/10

11:10-19:20

1 stop12h 10m

£394

Flights are sorted by cheapest return flights first.

Deals found on 18/8

Showing 1-10 of 60 results
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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 8 August 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 £361). Flying from Montreal in July will prove the most costly (average of £518). 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 £555
Air Transat
Air Transat
From £481
MEA
MEA
From £1,377

What are popular destinations to fly to from Montreal?

If you’re flying from Montreal, these routes are more frequently taken by airlines Toronto (1,284 flights per day), Paris (512 flights per day) and New York (406 flights per day).

London
London
From £232
Toronto
Toronto
From £95
Doha Hamad Intl
Doha Hamad Intl
From £827
New York
New York
From £117

What is the cheapest place to fly to from Montreal?

The cheapest city to fly to from Montreal is Toronto, with prices starting at £70. Explore other affordable destinations below.

Toronto
Toronto
From £95
New York
New York
From £117
Atlanta Hartsfield-Jackson
Atlanta Hartsfield-Jackson
From £176
Calgary
Calgary
From £195

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
9,997 reviews
Check prices

Entertainment

6.8

Food

6.3

Comfort

7.1

Crew

7.8

Boarding

7.3

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

YWG - YVR

Once we got on the plane everything was good. BUT a 3 hour delay was unacceptable. Will not fly Air Canada if I can help it.
Air Canada
7.1
Good
9,997 reviews
Air Canada
7.1
Good
9,997 reviews
Check prices

Entertainment

6.8

Food

6.3

Comfort

7.1

Crew

7.8

Boarding

7.3

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

YWG - YVR

Once we got on the plane everything was good. BUT a 3 hour delay was unacceptable. Will not fly Air Canada if I can help it.
British Airways
6.7
Okay
7,283 reviews
Air Canada
7.1
Good
9,997 reviews
Check prices

Entertainment

6.8

Food

6.3

Comfort

7.1

Crew

7.8

Boarding

7.3

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

YWG - YVR

Once we got on the plane everything was good. BUT a 3 hour delay was unacceptable. Will not fly Air Canada if I can help it.

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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 19 August 2025.

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

    This month, the top selected destinations from Montreal are Casablanca, Beirut, Athens. Throughout the year, Casablanca, Bangkok Suvarnabhumi Airport, Beirut 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 Porter Airlines, Air Canada, and Air Transat have the cheapest prices from Montreal. Porter Airlines flights from Montreal to London (£135), Air Canada flights from Montreal to London Heathrow (£199), and Air Transat flights from Montreal to Lisbon Humberto Delgado (£313).

  • 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 £350 round trip
    Travel from Montreal to Edinburgh from £444 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!

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Fly with Cheapflights

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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!

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