How long does it take to fly to London, Ontario?

Flight times vary depending on what airport in United Kingdom you fly out of and what airport in London, Ontario you fly into. For example, flying from Edinburgh to Toronto Pearson Intl Airport takes 7h on average. On the other hand, flying from Manchester to Toronto Pearson Intl Airport takes 7h 40m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo to see if there are any available for your route.

What is the cheapest airline that flies from United Kingdom to London?

WestJet, Lufthansa, and Avianca are the most popular carriers operating from United Kingdom to London

Which airlines fly to London, Ontario?

Air Canada, Air Transat and Lufthansa are the top three most popular airlines that fly to London, Ontario from United Kingdom according to our data. Air Canada is the first choice among our users, with 51% of people opting to fly with this airline when travelling to London, Ontario. Keep in mind that there are 19 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 United Kingdom to London Airport?

Prices for flights from United Kingdom to London Airport are refreshed on a daily basis.

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

The number of operators available for flights from United Kingdom to London Airport is 1 as of August 2025.

How old do you have to be to fly from United Kingdom 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 United Kingdom to London Airport.

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

The required travel and health documents for your London Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£283 Cheap Flights from the United Kingdom to London in 2025

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Find the cheapest flights from the United Kingdom to London

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Recent return flight deals from the United Kingdom to London

06:50 - 21:29LHR-YXU

19h 39m2 stops

10:00 - 06:35YXU-LHR

15h 35m1 stop

£528Air Canada

Find Deal

Thu, 4 Sep - Tue, 16 Sep

08:30 - 15:02LHR-YXU

11h 32m1 stop

15:50 - 10:00YXU-LHR

13h 10m1 stop

£530Air Canada

Find Deal

Fri, 29 Aug - Fri, 5 Sep

06:50 - 15:17LHR-YXU

13h 27m2 stops

15:50 - 09:35YXU-LHR

12h 45m2 stops

£533Air Canada

Find Deal

Thu, 4 Sep - Tue, 16 Sep

06:40 - 15:17STN-YXU

13h 37m2 stops

10:00 - 19:50YXU-STN

28h 50m3 stops

£535

Find Deal

Fri, 12 Sep - Fri, 19 Sep

08:40 - 21:29LHR-YXU

17h 49m2 stops

15:50 - 09:35YXU-LHR

12h 45m2 stops

£550Air Canada

Find Deal

Fri, 12 Sep - Fri, 19 Sep

08:40 - 21:29LHR-YXU

17h 49m2 stops

15:50 - 06:35YXU-LHR

9h 45m1 stop

£557

Find Deal

Fri, 12 Sep - Fri, 19 Sep

06:00 - 21:29LHR-YXU

20h 29m2 stops

15:50 - 07:55YXU-LHR

35h 05m2 stops

£566SWISS

Find Deal

Wed, 10 Sep - Tue, 16 Sep

09:30 - 21:29LHR-YXU

16h 59m2 stops

10:00 - 09:35YXU-LHR

18h 35m2 stops

£576Lufthansa

Find Deal

Sat, 13 Sep - Sat, 20 Sep

09:30 - 21:29LHR-YXU

16h 59m2 stops

10:00 - 11:50YXU-LHR

20h 50m1 stop

£578Lufthansa

Find Deal

Sat, 13 Sep - Sat, 20 Sep

18:35 - 21:29LGW-YXU

31h 54m2 stops

15:50 - 17:50YXU-LGW

21h 00m2 stops

£608SWISS

Find Deal

Wed, 10 Sep - Tue, 16 Sep

Air Canada flights from United Kingdom to London, Ontario

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

Air Canada

4 Sept

LHR06:50London Heathrow

19h 39m

2 stops

YXU21:29London

16 Sept

YXU10:00London

15h 35m

1 stop

LHR06:35London Heathrow

£528

Find similar

Air Canada

29 Aug

LHR08:30London Heathrow

11h 32m

1 stop

YXU15:02London

5 Sept

YXU15:50London

13h 10m

1 stop

LHR10:00London Heathrow

£530

Find similar

Air Canada

4 Sept

LHR06:50London Heathrow

13h 27m

2 stops

YXU15:17London

16 Sept

YXU15:50London

12h 45m

2 stops

LHR09:35London Heathrow

£533

Find similar

Lufthansa flights from United Kingdom to London, Ontario

Our best Lufthansa deals on United Kingdom to London, Ontario flight tickets

Lufthansa

13 Sept

LHR09:30London Heathrow

16h 59m

2 stops

YXU21:29London

20 Sept

YXU10:00London

18h 35m

2 stops

LHR09:35London Heathrow

£576

Find similar

Lufthansa

13 Sept

LHR09:30London Heathrow

16h 59m

2 stops

YXU21:29London

20 Sept

YXU10:00London

20h 50m

1 stop

LHR11:50London Heathrow

£578

Find similar

Lufthansa

13 Sept

LHR08:30London Heathrow

17h 59m

1 stop

YXU21:29London

20 Sept

YXU15:50London

15h 00m

1 stop

LHR11:50London Heathrow

£580

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from the United Kingdom to London, Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Thu 4/9

06:50-21:29

2 stops19h 39m

London

Tue 16/9

10:00-06:35

1 stop15h 35m

£528

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Fri 29/8

08:30-15:02

1 stop11h 32m

London

Fri 5/9

15:50-10:00

1 stop13h 10m

£530

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Thu 4/9

06:50-15:17

2 stops13h 27m

London

Tue 16/9

15:50-09:35

2 stops12h 45m

£533

LondonLondon

STN - YXU

STNYXU

London Stansted

Fri 12/9

06:40-15:17

2 stops13h 37m

London

Fri 19/9

10:00-19:50

3 stops28h 50m

£535

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Fri 12/9

08:40-21:29

2 stops17h 49m

London

Fri 19/9

15:50-09:35

2 stops12h 45m

£550

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Fri 12/9

08:40-21:29

2 stops17h 49m

London

Fri 19/9

15:50-06:35

1 stop9h 45m

£557

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Wed 10/9

06:00-21:29

2 stops20h 29m

London

Tue 16/9

15:50-07:55

2 stops35h 05m

£566

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Sat 13/9

09:30-21:29

2 stops16h 59m

London

Sat 20/9

10:00-09:35

2 stops18h 35m

£576

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Sat 13/9

09:30-21:29

2 stops16h 59m

London

Sat 20/9

10:00-11:50

1 stop20h 50m

£578

LondonLondon

LGW - YXU

LGWYXU

London Gatwick

Wed 10/9

18:35-21:29

2 stops31h 54m

London

Tue 16/9

15:50-17:50

2 stops21h 00m

£608

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from United Kingdom 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

Other information

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

In general, April is the cheapest month to fly from United Kingdom to London, Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £485. If you don’t want to visit London, Ontario in April, then you should wait until March to fly from United Kingdom, when ticket prices are also cheap, with an average price of £496.

What is the cheapest day to depart on your flight to London, Ontario?

On average, the least expensive day to fly to London, Ontario from United Kingdom is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £542. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from United Kingdom because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £755.

What is the cheapest time of day to depart on your flight to London, Ontario?

According to our data, the cheapest time of day to fly to London, Ontario is in the afternoon. momondo users have found flights departing from United Kingdom to London, Ontario in the afternoon for as low as £583. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at midday are often more expensive, with an average ticket price of £672.

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

You could potentially save up to 26% on your flight if you consider stops on a United Kingdom to London, Ontario flight.

Cheap United Kingdom to London, Ontario flight deals and tips

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

Best price found	£283
Fastest flight time	10h 37m
Direct flights	None
Airports in London, Ontario	1 airport

The best one-way flight to London, Ontario from United Kingdom in the past 72 hours is £283. The best return flight deal from United Kingdom to London, Ontario found on momondo in the last 72 hours is £528.

The fastest flight from United Kingdom to London, Ontario takes 10h 37m

There are no direct flights from United Kingdom to London, Ontario. Popular non-direct routes for this connection are London Stansted Airport - London Airport, London Gatwick Airport - London Airport and London Heathrow Airport - London Airport.

There is 1 airport near London, Ontario: London (YXU)

Search flight deals

When did momondo last update prices for flights from United Kingdom to London Airport?
Prices for flights from United Kingdom to London Airport are refreshed on a daily basis.
How many operators does momondo search for flights from United Kingdom to London Airport?
The number of operators available for flights from United Kingdom to London Airport is 1 as of August 2025.
How old do you have to be to fly from United Kingdom 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 United Kingdom to London Airport.
What documentation or ID do you need to fly to London Airport?
The required travel and health documents for your London Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from United Kingdom to London, Ontario

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

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom £460	Free Cancellation	Rating 7.1 9,851 reviews		Search Air Canada flights

Grand Bend

Why use momondo?

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

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

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

momondo does allow users to show only those flights to London from United Kingdom which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from United Kingdom 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 United Kingdom to London.

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

Of course. momondo tracks the price of United Kingdom to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.