What is the cheapest airline that flies from Montreal to London?

WestJet is the most popular carrier operating from Montreal to London

Which airlines fly to London, Ontario?

WestJet, Porter Airlines and Air Canada are the top three most popular airlines that fly to London, Ontario from Montreal according to our data. WestJet is the first choice among our users, with 48% of people opting to fly with this airline when travelling to London, Ontario. Keep in mind that there are 4 different airlines that fly to London, Ontario on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Montreal to London Airport?

Prices for flights from Montreal to London Airport are updated daily.

How many operators does momondo search for flights from Montreal to London Airport?

The number of operators available for flights from Montreal to London Airport is 1 as of July 2026.

How old do you have to be to fly from Montreal to London Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Montreal to London Airport.

What documentation or ID do you need to fly to London Airport?

The travel and health documents required for your trip to London Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 304 Cheap Flights from Montreal to London, Ontario in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Montreal to London

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

YUL

YXU

11h 50m

1 stop

6:10 a.m. - 4:30 p.m.

YXU

YUL

10h 20m

1 stop

C$ 626WestJet

Sat, 19 Sep - Sat, 26 Sep

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

YUL

YXU

11h 50m

1 stop

6:10 a.m. - 4:30 p.m.

YXU

YUL

10h 20m

1 stop

C$ 667WestJet

Wed, 19 Aug - Wed, 26 Aug

8:00 p.m. - 5:20 a.m.

YUL

YXU

9h 20m

1 stop

5:55 p.m. - 7:05 a.m.

YXU

YUL

13h 10m

1 stop

C$ 669WestJet

Thu, 1 Oct - Mon, 5 Oct

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

YUL

YXU

11h 50m

1 stop

2:40 p.m. - 12:25 a.m.

YXU

YUL

9h 45m

2 stops

C$ 685WestJet

Thu, 27 Aug - Fri, 28 Aug

5:45 p.m. - 5:20 a.m.

YUL

YXU

11h 35m

2 stops

2:40 p.m. - 12:25 a.m.

YXU

YUL

9h 45m

2 stops

C$ 696WestJet

Thu, 27 Aug - Fri, 28 Aug

8:00 p.m. - 5:20 a.m.

YUL

YXU

9h 20m

1 stop

5:55 p.m. - 4:45 p.m.

YXU

YUL

22h 50m

2 stops

C$ 699WestJet

Thu, 1 Oct - Mon, 5 Oct

8:00 p.m. - 5:20 a.m.

YUL

YXU

9h 20m

1 stop

2:40 p.m. - 12:25 a.m.

YXU

YUL

9h 45m

2 stops

C$ 706WestJet

Sun, 23 Aug - Sun, 30 Aug

6:45 a.m. - 5:20 a.m.

YUL

YXU

22h 35m

2 stops

6:10 a.m. - 4:30 p.m.

YXU

YUL

10h 20m

1 stop

C$ 710WestJet

Sat, 19 Sep - Sat, 26 Sep

8:00 p.m. - 5:20 a.m.

YUL

YXU

9h 20m

1 stop

6:10 a.m. - 4:30 p.m.

YXU

YUL

10h 20m

1 stop

C$ 722WestJet

Thu, 27 Aug - Mon, 28 Sep

5:30 p.m. - 1:50 p.m.

YUL

YXU

20h 20m

2 stops

5:55 p.m. - 2:12 p.m.

YXU

YUL

20h 17m

1 stop

C$ 727Multiple Airlines

Thu, 27 Aug - Mon, 28 Sep

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WestJet flights from Montreal to London, Ontario

Our best WestJet deals on Montreal to London, Ontario flight tickets

WestJet

19 Sep

YUL5:30 p.m.Montreal Pierre Elliott Trudeau Intl

11h 50m

1 stop

YXU5:20 a.m.London

26 Sep

YXU6:10 a.m.London

10h 20m

1 stop

YUL4:30 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 626

WestJet

20 Aug

YUL5:45 p.m.Montreal Pierre Elliott Trudeau Intl

20h 05m

2 stops

YXU1:50 p.m.London

27 Aug

YXU8:40 p.m.London

10h 25m

1 stop

YUL7:05 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 660

WestJet

19 Aug

YUL5:30 p.m.Montreal Pierre Elliott Trudeau Intl

11h 50m

1 stop

YXU5:20 a.m.London

26 Aug

YXU6:10 a.m.London

10h 20m

1 stop

YUL4:30 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 667

Air Canada flights from Montreal to London, Ontario

Our best Air Canada deals on Montreal to London, Ontario flight tickets

Air Canada

19 Sep

YUL9:45 a.m.Montreal Pierre Elliott Trudeau Intl

5h 05m

2 stops

YXU2:50 p.m.London

26 Sep

YXU10:05 a.m.London

5h 18m

2 stops

YUL3:23 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 730

Air Canada

29 Oct

YUL5:35 p.m.Montreal Pierre Elliott Trudeau Intl

4h 17m

1 stop

YXU9:52 p.m.London

1 Nov

YXU3:25 p.m.London

5h 28m

2 stops

YUL8:53 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 850

Air Canada

17 Aug

YUL4:40 p.m.Montreal Pierre Elliott Trudeau Intl

5h 00m

1 stop

YXU9:40 p.m.London

24 Aug

YXU6:20 p.m.London

3h 30m

1 stop

YUL9:50 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 853

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealLondon

YUL - YXU

YULYXU

Montreal Pierre Elliott Trudeau Intl

Sat 19/9

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

1 stop11h 50m

London

Sat 26/9

6:10 a.m.-4:30 p.m.

1 stop10h 20m

C$ 626

MontrealLondon

YUL - YXU

YULYXU

Montreal Pierre Elliott Trudeau Intl

Wed 19/8

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

1 stop11h 50m

London

Wed 26/8

6:10 a.m.-4:30 p.m.

1 stop10h 20m

C$ 667

MontrealLondon

YUL - YXU

YULYXU

Montreal Pierre Elliott Trudeau Intl

Thu 1/10

8:00 p.m.-5:20 a.m.

1 stop9h 20m

London

Mon 5/10

5:55 p.m.-7:05 a.m.

1 stop13h 10m

C$ 669

MontrealLondon

YUL - YXU

YULYXU

Montreal Pierre Elliott Trudeau Intl

Thu 27/8

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

1 stop11h 50m

London

Fri 28/8

2:40 p.m.-12:25 a.m.

2 stops9h 45m

C$ 685

MontrealLondon

YUL - YXU

YULYXU

Montreal Pierre Elliott Trudeau Intl

Thu 27/8

5:45 p.m.-5:20 a.m.

2 stops11h 35m

London

Fri 28/8

2:40 p.m.-12:25 a.m.

2 stops9h 45m

C$ 696

MontrealLondon

YUL - YXU

YULYXU

Montreal Pierre Elliott Trudeau Intl

Thu 1/10

8:00 p.m.-5:20 a.m.

1 stop9h 20m

London

Mon 5/10

5:55 p.m.-4:45 p.m.

2 stops22h 50m

C$ 699

Quickest round-trip

MontrealLondon

YUL - YXU

YULYXU

Montreal Pierre Elliott Trudeau Intl

Sun 23/8

8:00 p.m.-5:20 a.m.

1 stop9h 20m

London

Sun 30/8

2:40 p.m.-12:25 a.m.

2 stops9h 45m

C$ 706

MontrealLondon

YUL - YXU

YULYXU

Montreal Pierre Elliott Trudeau Intl

Sat 19/9

6:45 a.m.-5:20 a.m.

2 stops22h 35m

London

Sat 26/9

6:10 a.m.-4:30 p.m.

1 stop10h 20m

C$ 710

MontrealLondon

YUL - YXU

YULYXU

Montreal Pierre Elliott Trudeau Intl

Thu 27/8

8:00 p.m.-5:20 a.m.

1 stop9h 20m

London

Mon 28/9

6:10 a.m.-4:30 p.m.

1 stop10h 20m

C$ 722

MontrealLondon

YUL - YXU

YULYXU

Montreal Pierre Elliott Trudeau Intl

Thu 27/8

5:30 p.m.-1:50 p.m.

2 stops20h 20m

London

Mon 28/9

5:55 p.m.-2:12 p.m.

1 stop20h 17m

C$ 727

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Montreal to London, Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

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

The month of September is another great option to travel to London, Ontario, with average flight prices from Montreal averaging around C$ 637.

Can stopping save me money on Montreal to London, Ontario flights?

You could potentially save up to 16% on your flight if you consider stops on a Montreal to London, Ontario flight.

When to book flights from Montreal to London, Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal to London, Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Montreal to London, Ontario (YMQ to YXU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal to London, Ontario

Fastest flight time	5h 37m
Direct flights	None

The fastest flight from Montreal to London, Ontario takes 5h 37m

There are no direct flights from Montreal to London, Ontario. There are no popular flight routes from Montreal to London, Ontario.

Search flight deals

Frequently asked questions about flying from Montreal to London, Ontario

How far is Montreal to London by plane?
Montreal and London are 671.1 km apart from one another. Typically, this will take 5h 37m by plane in normal conditions.
When did momondo last update prices for flights from Montreal to London Airport?
Prices for flights from Montreal to London Airport are updated daily.
How many operators does momondo search for flights from Montreal to London Airport?
The number of operators available for flights from Montreal to London Airport is 1 as of July 2026.
How old do you have to be to fly from Montreal to London Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Montreal to London Airport.
What documentation or ID do you need to fly to London Airport?
The travel and health documents required for your trip to London Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Montreal to London, Ontario?
Based on momondo bookings for flights between Montreal and London, Ontario, the leading airline is Air Canada, making up 100% of the total bookings.

Best airlines flying from Montreal to London, Ontario

Compare and see reviews for airlines that fly from Montreal to London, Ontario with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom C$ 611	Free Cancellation	Rating 7.1 11,371 reviews		Search Air Canada flights

Grand Bend

Port Stanley

Why use momondo?

Why should I use momondo to find a flight deal from Montreal to London?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Montreal to London . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Montreal to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to London from Montreal with this policy.

How can momondo help me find flights from Montreal to London?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Montreal to London.

I’m not ready to book a flight from Montreal to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Montreal. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.