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

WestJet and SWISS are the most popular carriers operating from London to United Kingdom

Which airlines fly to United Kingdom?

Air Canada, Air Transat and British Airways are the top three most popular airlines that fly to United Kingdom from London, Ontario according to our data. Air Canada is the first choice among our users, with 58% of people opting to fly with this airline when travelling to United Kingdom. Keep in mind that there are 13 different airlines that fly to United Kingdom on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from London Airport to United Kingdom were last updated today.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Airport to United Kingdom.

What documentation or ID do you need to fly to United Kingdom?

The necessary travel and health documents for your United Kingdom trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£177 Cheap Flights from London to the United Kingdom in 2025/26

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Find the cheapest flights from London, Ontario to the United Kingdom

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

20:10 - 12:50

YXU

LHR

35h 40m1 stop

08:55 - 06:34

LHR

YXU

26h 39m2 stops

£500Multiple Airlines

Thu, 22 Jan - Thu, 29 Jan

17:40 - 20:35

YXU

LHR

21h 55m2 stops

09:00 - 08:46

LHR

YXU

28h 46m2 stops

£506Air Canada

Thu, 22 Jan - Thu, 29 Jan

17:40 - 08:30

YXU

LHR

9h 50m1 stop

09:00 - 21:21

LHR

YXU

17h 21m2 stops

£509Multiple Airlines

Tue, 20 Jan - Tue, 27 Jan

05:10 - 07:10

YXU

LHR

21h 00m2 stops

09:00 - 21:21

LHR

YXU

17h 21m2 stops

£510Air Canada

Wed, 7 Jan - Wed, 14 Jan

09:50 - 06:30

YXU

LHR

15h 40m1 stop

13:00 - 21:21

LHR

YXU

13h 21m1 stop

£515Air Canada

Tue, 20 Jan - Tue, 27 Jan

09:25 - 07:55

YXU

EDI

17h 30m2 stops

09:25 - 17:05

EDI

YXU

36h 40m2 stops

£629United Airlines

Wed, 4 Feb - Sun, 8 Feb

09:50 - 12:35

YXU

BHX

21h 45m3 stops

06:00 - 21:21

BHX

YXU

20h 21m3 stops

£968United Airlines

Thu, 22 Jan - Thu, 29 Jan

20:10 - 21:30

YXU

MAN

44h 20m2 stops

06:00 - 06:34

MAN

YXU

29h 34m2 stops

£1,150WestJet

Wed, 21 Jan - Wed, 28 Jan

20:10 - 15:20

YXU

BHX

38h 10m2 stops

06:00 - 06:34

BHX

YXU

29h 34m2 stops

£1,469WestJet

Thu, 22 Jan - Thu, 29 Jan

09:25 - 17:40

YXU

LCY

27h 15m2 stops

09:55 - 21:21

LCY

YXU

16h 26m2 stops

£2,012Lufthansa

Sun, 28 Dec - Fri, 2 Jan

WestJet flights from London, Ontario to United Kingdom

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

WestJet

22 Jan

YXU20:10London

35h 40m

1 stop

LHR12:50London Heathrow

29 Jan

LHR14:50London Heathrow

20h 44m

1 stop

YXU06:34London

£633

Find similar

WestJet

19 Jan

YXU20:10London

35h 40m

1 stop

LHR12:50London Heathrow

22 Jan

LHR14:50London Heathrow

20h 44m

1 stop

YXU06:34London

£635

Find similar

WestJet

19 Jan

YXU20:10London

35h 40m

1 stop

LHR12:50London Heathrow

22 Jan

LHR14:50London Heathrow

20h 44m

1 stop

YXU06:34London

£639

Find similar

Air Canada flights from London, Ontario to United Kingdom

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

Air Canada

22 Jan

YXU17:40London

21h 55m

2 stops

LHR20:35London Heathrow

29 Jan

LHR09:00London Heathrow

28h 46m

2 stops

YXU08:46London

£506

Find similar

Air Canada

7 Jan

YXU05:10London

21h 00m

2 stops

LHR07:10London Heathrow

14 Jan

LHR09:00London Heathrow

17h 21m

2 stops

YXU21:21London

£510

Find similar

Air Canada

20 Jan

YXU09:50London

15h 40m

1 stop

LHR06:30London Heathrow

27 Jan

LHR13:00London Heathrow

13h 21m

1 stop

YXU21:21London

£515

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonLondon

YXU - LHR

YXULHR

London

Thu 22/1

20:10-12:50

1 stop35h 40m

London Heathrow

Thu 29/1

08:55-06:34

2 stops26h 39m

£500

LondonLondon

YXU - LHR

YXULHR

London

Thu 22/1

17:40-20:35

2 stops21h 55m

London Heathrow

Thu 29/1

09:00-08:46

2 stops28h 46m

£506

LondonLondon

YXU - LHR

YXULHR

London

Tue 20/1

17:40-08:30

1 stop9h 50m

London Heathrow

Tue 27/1

09:00-21:21

2 stops17h 21m

£509

LondonLondon

YXU - LHR

YXULHR

London

Wed 7/1

05:10-07:10

2 stops21h 00m

London Heathrow

Wed 14/1

09:00-21:21

2 stops17h 21m

£510

LondonLondon

YXU - LHR

YXULHR

London

Tue 20/1

09:50-06:30

1 stop15h 40m

London Heathrow

Tue 27/1

13:00-21:21

1 stop13h 21m

£515

LondonEdinburgh

YXU - EDI

YXUEDI

London

Wed 4/2

09:25-07:55

2 stops17h 30m

Edinburgh Turnhouse

Sun 8/2

09:25-17:05

2 stops36h 40m

£629

LondonBirmingham

YXU - BHX

YXUBHX

London

Thu 22/1

09:50-12:35

3 stops21h 45m

Birmingham

Thu 29/1

06:00-21:21

3 stops20h 21m

£968

LondonManchester

YXU - MAN

YXUMAN

London

Wed 21/1

20:10-21:30

2 stops44h 20m

Manchester

Wed 28/1

06:00-06:34

2 stops29h 34m

£1,150

LondonBirmingham

YXU - BHX

YXUBHX

London

Thu 22/1

20:10-15:20

2 stops38h 10m

Birmingham

Thu 29/1

06:00-06:34

2 stops29h 34m

£1,469

LondonLondon

YXU - LCY

YXULCY

London

Sun 28/12

09:25-17:40

2 stops27h 15m

London City

Fri 2/1

09:55-21:21

2 stops16h 26m

£2,012

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 London, Ontario to United Kingdom

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 day to depart on your flight to United Kingdom?

The cheapest day to depart from London, Ontario to United Kingdom is on a Monday. Travellers who choose to depart for United Kingdom on a Monday will often find tickets for as low as £608. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from London, Ontario to United Kingdom for around £651.

What is the cheapest time of day to depart on your flight to United Kingdom?

The cheapest time of day to fly to United Kingdom is at midday when flights can be purchased for as low as £605. Try not to purchase tickets in the afternoon because they tend to be around £720. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheap London, Ontario to United Kingdom flight deals and tips

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

Fastest flight time	9h 50m
Direct flights	None

The fastest flight from London, Ontario to United Kingdom takes 9h 50m

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

Search flight deals

When did momondo last update prices for flights from London Airport to United Kingdom?
Prices for flights from London Airport to United Kingdom were last updated today.
How old do you have to be to fly from London Airport to United Kingdom?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Airport to United Kingdom.
What documentation or ID do you need to fly to United Kingdom?
The necessary travel and health documents for your United Kingdom trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to United Kingdom. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for London to United Kingdom flights to just show those with flexible booking policies.

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

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 London to United Kingdom.

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

Yes momondo offers price alerts on flights to United Kingdom from London. 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.