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Cheap flights from London, Ontario to London from C$ 538

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London, Ontario to London departing on 20/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London, Ontario to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:40 p.m. - 10:50 a.m.
YXU
-
LHR
12h 10m
2 stops
United Airlines Logo
10:25 a.m. - 5:05 p.m.
LHR
-
YXU
35h 40m
2 stops
C$ 1,004United Airlines
Mon, 23 Feb - Fri, 27 Feb
United Airlines Logo
5:10 a.m. - 6:20 a.m.
YXU
-
LHR
20h 10m
2 stops
United Airlines Logo
3:10 p.m. - 8:46 a.m.
LHR
-
YXU
22h 36m
2 stops
C$ 1,011United Airlines
Mon, 23 Feb - Fri, 27 Feb
United Airlines Logo
5:40 p.m. - 10:50 a.m.
YXU
-
LHR
12h 10m
2 stops
United Airlines Logo
3:10 p.m. - 8:46 a.m.
LHR
-
YXU
21h 36m
2 stops
C$ 1,015United Airlines
Tue, 3 Mar - Tue, 10 Mar
United Airlines Logo
9:40 a.m. - 10:25 a.m.
YXU
-
LHR
20h 45m
2 stops
United Airlines Logo
9:10 a.m. - 9:21 p.m.
LHR
-
YXU
16h 11m
2 stops
C$ 1,030United Airlines
Sun, 15 Mar - Thu, 19 Mar
United Airlines Logo
5:10 a.m. - 6:40 a.m.
YXU
-
LHR
21h 30m
2 stops
United Airlines Logo
7:40 a.m. - 9:21 p.m.
LHR
-
YXU
17h 41m
2 stops
C$ 1,054United Airlines
Sat, 14 Mar - Wed, 18 Mar
Multiple Airlines Logo
5:40 p.m. - 8:30 a.m.
YXU
-
LHR
9h 50m
1 stop
Multiple Airlines Logo
6:00 a.m. - 5:05 p.m.
LHR
-
YXU
15h 05m
2 stops
C$ 1,072Multiple Airlines
Tue, 3 Mar - Tue, 10 Mar
United Airlines Logo
5:40 p.m. - 10:25 a.m.
YXU
-
LHR
12h 45m
2 stops
United Airlines Logo
9:10 a.m. - 9:21 p.m.
LHR
-
YXU
16h 11m
2 stops
C$ 1,079United Airlines
Sun, 15 Mar - Fri, 20 Mar
Air Canada Logo
5:10 a.m. - 8:30 a.m.
YXU
-
LHR
22h 20m
1 stop
Air Canada Logo
6:00 a.m. - 9:21 p.m.
LHR
-
YXU
20h 21m
2 stops
C$ 1,084Air Canada
Fri, 20 Feb - Sun, 1 Mar
Air Canada Logo
9:40 a.m. - 6:30 a.m.
YXU
-
LHR
16h 50m
1 stop
Air Canada Logo
6:00 p.m. - 8:46 a.m.
LHR
-
YXU
18h 46m
1 stop
C$ 1,086Air Canada
Thu, 19 Mar - Thu, 26 Mar
Air Canada Logo
5:40 p.m. - 11:20 a.m.
YXU
-
LHR
13h 40m
1 stop
Air Canada Logo
9:00 a.m. - 9:21 p.m.
LHR
-
YXU
16h 21m
2 stops
C$ 1,087Air Canada
Wed, 18 Mar - Wed, 25 Mar

United Airlines flights from London, Ontario to London Heathrow Airport

Our best United Airlines deals on London, Ontario to London Heathrow Airport flight tickets
United Airlines
23 Feb
YXU5:40 p.m.London
12h 10m
2 stops
LHR10:50 a.m.London Heathrow
27 Feb
LHR10:25 a.m.London Heathrow
35h 40m
2 stops
YXU5:05 p.m.London
C$ 1,004
United Airlines
23 Feb
YXU5:10 a.m.London
20h 10m
2 stops
LHR6:20 a.m.London Heathrow
27 Feb
LHR3:10 p.m.London Heathrow
22h 36m
2 stops
YXU8:46 a.m.London
C$ 1,011
United Airlines
3 Mar
YXU5:40 p.m.London
12h 10m
2 stops
LHR10:50 a.m.London Heathrow
10 Mar
LHR3:10 p.m.London Heathrow
21h 36m
2 stops
YXU8:46 a.m.London
C$ 1,015

Air Canada flights from London, Ontario to London Heathrow Airport

Our best Air Canada deals on London, Ontario to London Heathrow Airport flight tickets
Air Canada
20 Feb
YXU5:10 a.m.London
22h 20m
1 stop
LHR8:30 a.m.London Heathrow
1 Mar
LHR6:00 a.m.London Heathrow
20h 21m
2 stops
YXU9:21 p.m.London
C$ 1,084
Air Canada
19 Mar
YXU9:40 a.m.London
16h 50m
1 stop
LHR6:30 a.m.London Heathrow
26 Mar
LHR6:00 p.m.London Heathrow
18h 46m
1 stop
YXU8:46 a.m.London
C$ 1,086
Air Canada
18 Mar
YXU5:40 p.m.London
13h 40m
1 stop
LHR11:20 a.m.London Heathrow
25 Mar
LHR9:00 a.m.London Heathrow
16h 21m
2 stops
YXU9:21 p.m.London
C$ 1,087

momondo Fare Finder

 
Customize your flight search to find flights from London, Ontario to London Heathrow Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 4 February 2026.
Use the filters below to find and compare flights from London, Ontario to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonLondon

YXU - LHR

YXULHR

London

Mon 23/2

5:40 p.m.-10:50 a.m.

2 stops12h 10m

London Heathrow

Fri 27/2

10:25 a.m.-5:05 p.m.

2 stops35h 40m

C$ 1,004

LondonLondon

YXU - LHR

YXULHR

London

Mon 23/2

5:10 a.m.-6:20 a.m.

2 stops20h 10m

London Heathrow

Fri 27/2

3:10 p.m.-8:46 a.m.

2 stops22h 36m

C$ 1,011

LondonLondon

YXU - LHR

YXULHR

London

Tue 3/3

5:40 p.m.-10:50 a.m.

2 stops12h 10m

London Heathrow

Tue 10/3

3:10 p.m.-8:46 a.m.

2 stops21h 36m

C$ 1,015

LondonLondon

YXU - LHR

YXULHR

London

Sun 15/3

9:40 a.m.-10:25 a.m.

2 stops20h 45m

London Heathrow

Thu 19/3

9:10 a.m.-9:21 p.m.

2 stops16h 11m

C$ 1,030

LondonLondon

YXU - LHR

YXULHR

London

Sat 14/3

5:10 a.m.-6:40 a.m.

2 stops21h 30m

London Heathrow

Wed 18/3

7:40 a.m.-9:21 p.m.

2 stops17h 41m

C$ 1,054

LondonLondon

YXU - LHR

YXULHR

London

Tue 3/3

5:40 p.m.-8:30 a.m.

1 stop9h 50m

London Heathrow

Tue 10/3

6:00 a.m.-5:05 p.m.

2 stops15h 05m

C$ 1,072

LondonLondon

YXU - LHR

YXULHR

London

Sun 15/3

5:40 p.m.-10:25 a.m.

2 stops12h 45m

London Heathrow

Fri 20/3

9:10 a.m.-9:21 p.m.

2 stops16h 11m

C$ 1,079

LondonLondon

YXU - LHR

YXULHR

London

Fri 20/2

5:10 a.m.-8:30 a.m.

1 stop22h 20m

London Heathrow

Sun 1/3

6:00 a.m.-9:21 p.m.

2 stops20h 21m

C$ 1,084

LondonLondon

YXU - LHR

YXULHR

London

Thu 19/3

9:40 a.m.-6:30 a.m.

1 stop16h 50m

London Heathrow

Thu 26/3

6:00 p.m.-8:46 a.m.

1 stop18h 46m

C$ 1,086

LondonLondon

YXU - LHR

YXULHR

London

Wed 18/3

5:40 p.m.-11:20 a.m.

1 stop13h 40m

London Heathrow

Wed 25/3

9:00 a.m.-9:21 p.m.

2 stops16h 21m

C$ 1,087

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from London, Ontario to London Heathrow Airport

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

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

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

When to book flights from London, Ontario to London Heathrow Airport

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

Cheap London, Ontario to London Heathrow Airport (YXU to LHR) flight deals and tips

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

Fastest flight time

12h 10m

Direct flights

None
The fastest flight from London, Ontario to London Heathrow Airport takes 12h 10m
There are no direct flights from London, Ontario to London Heathrow Airport. There are no popular flight routes from London, Ontario to London Heathrow Airport.
Search flight deals

  • How far is London to London Heathrow by plane?

    A flight from London to London Heathrow will travel around 5852.6 km. In terms of flight time, this usually takes a little over 12h 10m.

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

    Prices for flights from London Airport to London Heathrow Airport refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Airport to London Heathrow Airport.

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

    The necessary travel and health documents for your London Heathrow Airport 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.

  • What is the most popular airline from London, Ontario to London Heathrow Airport?

Best airlines flying from London, Ontario to London Heathrow Airport

Compare and see reviews for airlines that fly from London, Ontario to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 843Free CancellationRating
7.1
10,688 reviews
Search Air Canada flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Poole
Ilford
Gatwick
Salisbury
Swindon
Wokingham
Slough
Stratford-upon-Avon
Feltham
Hayes
Richmond
Uxbridge
Wembley
Waterlooville
Newport
Chelmsford
Basingstoke
Milton Keynes
Dover

Why use momondo?

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

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

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

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

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

momondo provides multiple filters to help you find the best flight to London from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for London to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your London Heathrow Airport trip

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