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Cheap flights from London, Ontario to London from C$ 636

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 4/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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
3:30 p.m. - 11:55 a.m.
YXU
-
LHR
15h 25m
2 stops
United Airlines Logo
4:00 p.m. - 2:55 p.m.
LHR
-
YXU
27h 55m
2 stops
C$ 1,088United Airlines
Mon, 5 Oct - Fri, 9 Oct
United Airlines Logo
10:05 a.m. - 10:40 a.m.
YXU
-
LHR
19h 35m
2 stops
United Airlines Logo
7:45 a.m. - 5:45 p.m.
LHR
-
YXU
15h 00m
2 stops
C$ 1,089United Airlines
Sat, 5 Sep - Mon, 5 Oct
United Airlines Logo
3:30 p.m. - 11:55 a.m.
YXU
-
LHR
15h 25m
2 stops
United Airlines Logo
4:00 p.m. - 2:55 p.m.
LHR
-
YXU
27h 55m
2 stops
C$ 1,091United Airlines
Mon, 5 Oct - Fri, 9 Oct
United Airlines Logo
3:30 p.m. - 11:55 a.m.
YXU
-
LHR
15h 25m
2 stops
United Airlines Logo
4:00 p.m. - 2:55 p.m.
LHR
-
YXU
27h 55m
2 stops
C$ 1,092United Airlines
Mon, 5 Oct - Fri, 9 Oct
United Airlines Logo
10:05 a.m. - 6:45 a.m.
YXU
-
LHR
15h 40m
2 stops
United Airlines Logo
12:15 p.m. - 9:40 p.m.
LHR
-
YXU
14h 25m
2 stops
C$ 1,093United Airlines
Fri, 4 Sep - Tue, 8 Sep
Air Canada Logo
10:05 a.m. - 9:35 a.m.
YXU
-
LHR
18h 30m
1 stop
Air Canada Logo
6:00 a.m. - 9:40 p.m.
LHR
-
YXU
20h 40m
2 stops
C$ 1,139Air Canada
Mon, 5 Oct - Fri, 9 Oct
Multiple Airlines Logo
10:05 a.m. - 6:30 a.m.
YXU
-
LHR
15h 25m
2 stops
Multiple Airlines Logo
8:30 a.m. - 5:45 p.m.
LHR
-
YXU
14h 15m
1 stop
C$ 1,140Multiple Airlines
Sat, 5 Sep - Mon, 5 Oct
Air Canada Logo
10:05 a.m. - 9:35 a.m.
YXU
-
LHR
18h 30m
1 stop
Air Canada Logo
6:00 a.m. - 9:40 p.m.
LHR
-
YXU
20h 40m
2 stops
C$ 1,142Air Canada
Mon, 5 Oct - Fri, 9 Oct
Air Canada Logo
10:05 a.m. - 9:35 a.m.
YXU
-
LHR
18h 30m
1 stop
Air Canada Logo
6:00 a.m. - 9:40 p.m.
LHR
-
YXU
20h 40m
2 stops
C$ 1,143Air Canada
Mon, 5 Oct - Fri, 9 Oct
Multiple Airlines Logo
6:20 p.m. - 6:35 a.m.
YXU
-
LHR
31h 15m
1 stop
Multiple Airlines Logo
2:10 p.m. - 9:40 p.m.
LHR
-
YXU
12h 30m
1 stop
C$ 1,145Multiple Airlines
Sat, 5 Sep - Mon, 5 Oct

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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
5 Oct
YXU10:05 a.m.London
18h 30m
1 stop
LHR9:35 a.m.London Heathrow
9 Oct
LHR6:00 a.m.London Heathrow
20h 40m
2 stops
YXU9:40 p.m.London
C$ 1,139
Air Canada
5 Oct
YXU10:05 a.m.London
18h 30m
1 stop
LHR9:35 a.m.London Heathrow
9 Oct
LHR6:00 a.m.London Heathrow
20h 40m
2 stops
YXU9:40 p.m.London
C$ 1,142
Air Canada
5 Oct
YXU10:05 a.m.London
18h 30m
1 stop
LHR9:35 a.m.London Heathrow
9 Oct
LHR6:00 a.m.London Heathrow
20h 40m
2 stops
YXU9:40 p.m.London
C$ 1,143

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
5 Oct
YXU3:30 p.m.London
15h 25m
2 stops
LHR11:55 a.m.London Heathrow
9 Oct
LHR4:00 p.m.London Heathrow
27h 55m
2 stops
YXU2:55 p.m.London
C$ 1,088
United Airlines
5 Sep
YXU10:05 a.m.London
19h 35m
2 stops
LHR10:40 a.m.London Heathrow
5 Oct
LHR7:45 a.m.London Heathrow
15h 00m
2 stops
YXU5:45 p.m.London
C$ 1,089
United Airlines
5 Oct
YXU3:30 p.m.London
15h 25m
2 stops
LHR11:55 a.m.London Heathrow
9 Oct
LHR4:00 p.m.London Heathrow
27h 55m
2 stops
YXU2:55 p.m.London
C$ 1,091

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 26 June 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

Cheapest round-trip

LondonLondon

YXU - LHR

YXULHR

London

Mon 5/10

3:30 p.m.-11:55 a.m.

2 stops15h 25m

London Heathrow

Fri 9/10

4:00 p.m.-2:55 p.m.

2 stops27h 55m

C$ 1,088

LondonLondon

YXU - LHR

YXULHR

London

Sat 5/9

10:05 a.m.-10:40 a.m.

2 stops19h 35m

London Heathrow

Mon 5/10

7:45 a.m.-5:45 p.m.

2 stops15h 00m

C$ 1,089

LondonLondon

YXU - LHR

YXULHR

London

Mon 5/10

3:30 p.m.-11:55 a.m.

2 stops15h 25m

London Heathrow

Fri 9/10

4:00 p.m.-2:55 p.m.

2 stops27h 55m

C$ 1,091

LondonLondon

YXU - LHR

YXULHR

London

Mon 5/10

3:30 p.m.-11:55 a.m.

2 stops15h 25m

London Heathrow

Fri 9/10

4:00 p.m.-2:55 p.m.

2 stops27h 55m

C$ 1,092

LondonLondon

YXU - LHR

YXULHR

London

Fri 4/9

10:05 a.m.-6:45 a.m.

2 stops15h 40m

London Heathrow

Tue 8/9

12:15 p.m.-9:40 p.m.

2 stops14h 25m

C$ 1,093

LondonLondon

YXU - LHR

YXULHR

London

Mon 5/10

10:05 a.m.-9:35 a.m.

1 stop18h 30m

London Heathrow

Fri 9/10

6:00 a.m.-9:40 p.m.

2 stops20h 40m

C$ 1,139
Quickest round-trip

LondonLondon

YXU - LHR

YXULHR

London

Sat 5/9

10:05 a.m.-6:30 a.m.

2 stops15h 25m

London Heathrow

Mon 5/10

8:30 a.m.-5:45 p.m.

1 stop14h 15m

C$ 1,140

LondonLondon

YXU - LHR

YXULHR

London

Mon 5/10

10:05 a.m.-9:35 a.m.

1 stop18h 30m

London Heathrow

Fri 9/10

6:00 a.m.-9:40 p.m.

2 stops20h 40m

C$ 1,142

LondonLondon

YXU - LHR

YXULHR

London

Mon 5/10

10:05 a.m.-9:35 a.m.

1 stop18h 30m

London Heathrow

Fri 9/10

6:00 a.m.-9:40 p.m.

2 stops20h 40m

C$ 1,143

LondonLondon

YXU - LHR

YXULHR

London

Sat 5/9

6:20 p.m.-6:35 a.m.

1 stop31h 15m

London Heathrow

Mon 5/10

2:10 p.m.-9:40 p.m.

1 stop12h 30m

C$ 1,145

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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

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

Air Canada is the most popular carrier operating from London to London Heathrow

Which airlines fly to London Heathrow Airport?

Air Canada, British Airways and Lufthansa are the top three most popular airlines that fly to London Heathrow Airport from London, Ontario according to our data. Air Canada is the first choice among our users, with 59% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 17 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

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

13h 55m

Direct flights

None
The fastest flight from London, Ontario to London Heathrow Airport takes 13h 55m
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

Frequently asked questions about flying from London, Ontario to London Heathrow Airport

  • 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 13h 55m.

  • 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 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.

Travelling to a place near London?

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

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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