What are the cheapest airlines flying from Montreal to London, Ontario round-trip?

Our cheapest airline available from Montreal to London, Ontario is Air Canada. Our recent data shows that you can find tickets from as low as C$ 748 on this airline. An additional option worth looking into is WestJet, starting at C$ 994. Users have found that Air Canada is 12% cheaper than the other options available to this destination.

What is the cheapest day to fly from Montreal to London, Ontario?

Travelers seeking maximum savings on their Montreal to London, Ontario flight should consider departing on Thursday mornings when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Montreal to London, Ontario?

Wednesday is generally a great day to depart. Flying on this day could help you save up to 33%.

What is the cheapest month to fly from Montreal to London, Ontario?

January is one of the best times of the year to fly to London, Ontario from Montreal. Prices for January average C$ 857 per person but you can even find prices for as low as C$ 398. The most expensive prices can be found in the month of September. Opting for a January flight can save you 32% on your journey compared to booking in September

What airport do you fly into for flights to London from Montreal?

Most people fly into London (YXU) if they book a flight to London from Montreal. On average, London has 0 inbound flights from Montreal per day from 1 airline. London is conveniently located just 8.6 km from London’s city centre.

Can I find deals for flights from Montreal to London that include hotel bookings?

Yes. In addition to deals on Montreal to London flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Montreal to London?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montreal to London.

Can I find deals for business class flights from Montreal to London?

Yes. Cheapflights offers flight deals from Montreal to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 371+ Flights from Montreal to London, ON

Cheap flight deals from Montreal to London

Round-trip from	C$ 679
One-way from	C$ 371
Popular in	September
Cheapest in	January
Average price	C$ 745

8/5-15/5
4 total stops
36h 29m total
Montreal to London

Search Deals

3/5
2 total stops
12h 24m total
Montreal to London

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (C$ 40 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 37 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Find flight deals from Montreal to London

Cheapest flights from Montreal to London
Explore the most affordable flight options available from Montreal to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 March 2025.

Thu 8/511:00 a.m.YUL - YXU

3 stops18h 14mMultiple Airlines

Thu 15/58:00 p.m.YXU - YUL

1 stop18h 15mMultiple Airlines

Deal found 24/3C$ 679

Mon 23/611:15 a.m.YUL - YXU

1 stop3h 42mAir Canada

Mon 7/73:35 p.m.YXU - YUL

1 stop3h 46mAir Canada

Deal found 23/3C$ 748

Mon 5/56:45 a.m.YUL - YXU

2 stops12h 24mWestJet

Sat 10/58:00 p.m.YXU - YUL

1 stop28h 43mWestJet

Deal found 24/3C$ 994

Best flights from Montreal to London
Discover carefully curated flight deals from Montreal to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 25 March 2025.

Thu 8/511:00 a.m.YUL - YXU

3 stops18h 14mMultiple Airlines

Thu 15/58:00 p.m.YXU - YUL

1 stop18h 15mMultiple Airlines

Deal found 24/3C$ 679

Mon 23/611:15 a.m.YUL - YXU

1 stop3h 42mAir Canada

Mon 7/73:35 p.m.YXU - YUL

1 stop3h 46mAir Canada

Deal found 23/3C$ 748

Mon 5/56:45 a.m.YUL - YXU

2 stops12h 24mWestJet

Sat 10/58:00 p.m.YXU - YUL

1 stop28h 43mWestJet

Deal found 24/3C$ 994

Last-minute flights from Montreal to London
Discover last-minute flight deals from Montreal to London. Data last updated 25 March 2025 and is based on user searches.

Wed 2/48:00 p.m.YUL - YXU

2 stops18h 48mMultiple Airlines

Wed 16/45:15 a.m.YXU - YUL

2 stops14h 01mMultiple Airlines

Deal found 24/3C$ 1,371

Thu 3/48:50 a.m.YUL - YXU

2 stops5h 58mAir Canada

Thu 10/45:15 a.m.YXU - YUL

1 stop5h 06mAir Canada

Deal found 24/3C$ 1,132

Thu 3/46:45 a.m.YUL - YXU

2 stops12h 28mWestJet

Thu 10/48:00 p.m.YXU - YUL

3 stops28h 39mWestJet

Deal found 24/3C$ 2,218

Cheapflights Fare Finder

Use the filters below to find and compare flights from Montreal to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MontrealLondon

YUL - YXU

YULYXU

Montreal Pierre Elliott Trudeau Intl

Thu 8/5

11:00 a.m.-5:14 a.m.

3 stops18h 14m

London

Thu 15/5

8:00 p.m.-2:15 p.m.

1 stop18h 15m

C$ 679

MontrealLondon

YUL - YXU

YULYXU

Montreal Pierre Elliott Trudeau Intl

Mon 23/6

11:15 a.m.-2:57 p.m.

1 stop3h 42m

London

Mon 7/7

3:35 p.m.-7:21 p.m.

1 stop3h 46m

C$ 748

MontrealLondon

YUL - YXU

YULYXU

Montreal Pierre Elliott Trudeau Intl

Mon 5/5

6:45 a.m.-7:09 p.m.

2 stops12h 24m

London

Sat 10/5

8:00 p.m.-12:43 a.m.

1 stop28h 43m

C$ 994

MontrealLondon

YUL - YXU

YULYXU

Montreal Pierre Elliott Trudeau Intl

Sat 3/5

6:45 a.m.-7:09 p.m.

2 stops12h 24m

C$ 371

MontrealLondon

YUL - YXU

YULYXU

Montreal Pierre Elliott Trudeau Intl

Tue 8/4

8:50 a.m.-2:48 p.m.

2 stops5h 58m

C$ 390

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/3

Best time to book a flight from Montreal to London

Have a flexible travel schedule? Discover the best time to fly to London 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

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

Currently, October is the cheapest month in which you can book a flight from Montreal to London, Ontario (average of C$ 243). Flying from Montreal to London, Ontario in December is currently the most expensive (average of C$ 478). 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 YXU?

A simple way to save on the total cost of your ticket is to fly from Montreal to London, Ontario at noon. If you’re flexible enough to do this you can expect to save up to 8% on your trip compared to booking a flight in the evening.

Rainfall in London by month

In terms of precipitation, rainfall in London, Ontario ranges from 70.0 - 100.0 mm per month. January is typically the wettest month, when rainfall can reach 100.0 mm. March is typically the driest time to visit London, Ontario when rainfall is around 70.0 mm.

Temperature in London by month

If weather is an important factor for your trip to London, Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 20.0 C. Travellers hoping to avoid the cold should look outside of February, when temperatures are typically at their lowest (around -6.0 C).

Reviews of airlines servicing London

To help decide which airline to fly from Montreal to London, see what other customers have to say about WestJet and Air Canada. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

WestJet

7.2

Good

2,785 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Sugith,Jan 2025

CUN - YYZ

On time departure. Good service on board. Comfort Plus seating was comfortable.

WestJet

7.2

Good

2,785 reviews

WestJet

7.2

Good

2,785 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Sugith,Jan 2025

CUN - YYZ

On time departure. Good service on board. Comfort Plus seating was comfortable.

Air Canada

7.0

Good

8,957 reviews

WestJet

7.2

Good

2,785 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Sugith,Jan 2025

CUN - YYZ

On time departure. Good service on board. Comfort Plus seating was comfortable.

Related info for your journey

What airport do you fly into for flights to London from Montreal?
Most people fly into London (YXU) if they book a flight to London from Montreal. On average, London has 0 inbound flights from Montreal per day from 1 airline. London is conveniently located just 8.6 km from London’s city centre.
What are the cheapest airlines flying from Montreal to London, Ontario round-trip?
Our cheapest airline available from Montreal to London, Ontario is Air Canada. Our recent data shows that you can find tickets from as low as C$ 748 on this airline. An additional option worth looking into is WestJet, starting at C$ 994. Users have found that Air Canada is 12% cheaper than the other options available to this destination.
Can I find deals for flights from Montreal to London that include hotel bookings?
Yes. In addition to deals on Montreal to London flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Montreal to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montreal to London.
Can I find deals for business class flights from Montreal to London?
Yes. Cheapflights offers flight deals from Montreal to London 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, Ontario?
Currently, October is the cheapest month in which you can book a flight from Montreal to London, Ontario (average of C$ 243). Flying from Montreal to London, Ontario in December is currently the most expensive (average of C$ 478). 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

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Top airline flying from Montreal to London

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 440	AverageC$ 797	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

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

Deals for Montreal to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to London from Montreal.

Can Cheapflights find flights from Montreal to London with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Montreal to London flexibly with Cheapflights today.

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

Of course! You can now track prices for flights from Montreal to London and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Cheap flights from Montreal to London, ON from C$ 371

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Montreal to London

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Montreal to London

Cheapest flights from Montreal to LondonExplore the most affordable flight options available from Montreal to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 March 2025.

Explore the most affordable flight options available from Montreal to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 March 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Montreal to London that are best for you.

Best time to book a flight from Montreal to London

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

Cheapflights Insights

Everything you need to know about your flight from Montreal to London

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

What is the cheapest time of day to fly from YMQ to YXU?

Find hourly flight availability from Montreal to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 25 March 2025.

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 25 March 2025.

To help decide which airline to fly from Montreal to London, see what other customers have to say about WestJet and Air Canada. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Montreal to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to London from Montreal?

What are the cheapest airlines flying from Montreal to London, Ontario round-trip?

Can I find deals for flights from Montreal to London that include hotel bookings?

How can I find direct flights from Montreal to London?

Can I find deals for business class flights from Montreal to London?

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

Travelling to a place near Montreal?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Montreal to London

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Montreal to London

Fly with Cheapflights

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

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

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

Can Cheapflights find flights from Montreal to London with no change fees?

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

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Cheapest flights from Montreal to London
Explore the most affordable flight options available from Montreal to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 March 2025.