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Cheap flights from London, Ontario to London from C$ 637

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 7/6. 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

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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
3:30 p.m. - 10:40 a.m.
YXU
-
LHR
14h 10m
2 stops
United Airlines Logo
9:30 a.m. - 9:18 a.m.
LHR
-
YXU
28h 48m
2 stops
C$ 1,083United Airlines
Fri, 5 Jun - Tue, 9 Jun
United Airlines Logo
3:30 p.m. - 10:25 a.m.
YXU
-
LHR
13h 55m
2 stops
United Airlines Logo
11:05 a.m. - 9:18 a.m.
LHR
-
YXU
27h 13m
2 stops
C$ 1,084United Airlines
Fri, 5 Jun - Fri, 12 Jun
United Airlines Logo
3:30 p.m. - 10:40 a.m.
YXU
-
LHR
14h 10m
2 stops
United Airlines Logo
4:40 p.m. - 9:18 a.m.
LHR
-
YXU
21h 38m
2 stops
C$ 1,086United Airlines
Wed, 3 Jun - Wed, 10 Jun
Air Canada Logo
6:10 p.m. - 8:35 a.m.
YXU
-
LHR
9h 25m
1 stop
Air Canada Logo
6:00 a.m. - 9:38 p.m.
LHR
-
YXU
20h 38m
2 stops
C$ 1,161Air Canada
Fri, 5 Jun - Tue, 9 Jun
Multiple Airlines Logo
3:30 p.m. - 6:35 a.m.
YXU
-
LHR
10h 05m
1 stop
Multiple Airlines Logo
6:50 a.m. - 2:55 p.m.
LHR
-
YXU
13h 05m
2 stops
C$ 1,168Multiple Airlines
Wed, 16 Sep - Mon, 21 Sep
Air Canada Logo
3:30 p.m. - 11:50 a.m.
YXU
-
LHR
15h 20m
1 stop
Air Canada Logo
6:00 a.m. - 5:45 p.m.
LHR
-
YXU
16h 45m
2 stops
C$ 1,173Air Canada
Fri, 2 Oct - Tue, 6 Oct
Air Canada Logo
6:10 p.m. - 9:35 a.m.
YXU
-
LHR
10h 25m
1 stop
Air Canada Logo
12:05 p.m. - 5:32 p.m.
LHR
-
YXU
10h 27m
1 stop
C$ 1,176Air Canada
Sun, 14 Jun - Wed, 24 Jun
Air Canada Logo
6:10 p.m. - 9:35 a.m.
YXU
-
LHR
10h 25m
1 stop
Air Canada Logo
6:00 a.m. - 5:32 p.m.
LHR
-
YXU
16h 32m
2 stops
C$ 1,177Air Canada
Sun, 14 Jun - Wed, 24 Jun
Multiple Airlines Logo
6:20 p.m. - 11:50 a.m.
YXU
-
LHR
12h 30m
1 stop
Multiple Airlines Logo
8:30 a.m. - 9:40 p.m.
LHR
-
YXU
18h 10m
1 stop
C$ 1,182Multiple Airlines
Wed, 16 Sep - Mon, 21 Sep
Air Canada Logo
3:30 p.m. - 6:35 a.m.
YXU
-
LHR
10h 05m
1 stop
Air Canada Logo
8:30 a.m. - 5:33 p.m.
LHR
-
YXU
14h 03m
1 stop
C$ 1,184Air Canada
Fri, 5 Jun - Tue, 9 Jun

WestJet flights from London, Ontario to London Heathrow Airport

Our best WestJet deals on London, Ontario to London Heathrow Airport flight tickets
WestJet
3 Jun
YXU6:10 a.m.London
24h 55m
1 stop
LHR12:05 p.m.London Heathrow
10 Jun
LHR2:10 p.m.London Heathrow
52h 40m
2 stops
YXU1:50 p.m.London
C$ 1,908
WestJet
3 Jun
YXU6:10 a.m.London
24h 55m
1 stop
LHR12:05 p.m.London Heathrow
10 Jun
LHR2:10 p.m.London Heathrow
31h 35m
1 stop
YXU4:45 p.m.London
C$ 2,023

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 Jun
YXU3:30 p.m.London
14h 10m
2 stops
LHR10:40 a.m.London Heathrow
9 Jun
LHR9:30 a.m.London Heathrow
28h 48m
2 stops
YXU9:18 a.m.London
C$ 1,083
United Airlines
5 Jun
YXU3:30 p.m.London
13h 55m
2 stops
LHR10:25 a.m.London Heathrow
12 Jun
LHR11:05 a.m.London Heathrow
27h 13m
2 stops
YXU9:18 a.m.London
C$ 1,084
United Airlines
3 Jun
YXU3:30 p.m.London
14h 10m
2 stops
LHR10:40 a.m.London Heathrow
10 Jun
LHR4:40 p.m.London Heathrow
21h 38m
2 stops
YXU9:18 a.m.London
C$ 1,086

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 11 May 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

Fri 5/6

3:30 p.m.-10:40 a.m.

2 stops14h 10m

London Heathrow

Tue 9/6

9:30 a.m.-9:18 a.m.

2 stops28h 48m

C$ 1,083

LondonLondon

YXU - LHR

YXULHR

London

Fri 5/6

3:30 p.m.-10:25 a.m.

2 stops13h 55m

London Heathrow

Fri 12/6

11:05 a.m.-9:18 a.m.

2 stops27h 13m

C$ 1,084

LondonLondon

YXU - LHR

YXULHR

London

Wed 3/6

3:30 p.m.-10:40 a.m.

2 stops14h 10m

London Heathrow

Wed 10/6

4:40 p.m.-9:18 a.m.

2 stops21h 38m

C$ 1,086

LondonLondon

YXU - LHR

YXULHR

London

Fri 5/6

6:10 p.m.-8:35 a.m.

1 stop9h 25m

London Heathrow

Tue 9/6

6:00 a.m.-9:38 p.m.

2 stops20h 38m

C$ 1,161

LondonLondon

YXU - LHR

YXULHR

London

Wed 16/9

3:30 p.m.-6:35 a.m.

1 stop10h 05m

London Heathrow

Mon 21/9

6:50 a.m.-2:55 p.m.

2 stops13h 05m

C$ 1,168

LondonLondon

YXU - LHR

YXULHR

London

Fri 2/10

3:30 p.m.-11:50 a.m.

1 stop15h 20m

London Heathrow

Tue 6/10

6:00 a.m.-5:45 p.m.

2 stops16h 45m

C$ 1,173
Quickest round-trip

LondonLondon

YXU - LHR

YXULHR

London

Sun 14/6

6:10 p.m.-9:35 a.m.

1 stop10h 25m

London Heathrow

Wed 24/6

12:05 p.m.-5:32 p.m.

1 stop10h 27m

C$ 1,176

LondonLondon

YXU - LHR

YXULHR

London

Sun 14/6

6:10 p.m.-9:35 a.m.

1 stop10h 25m

London Heathrow

Wed 24/6

6:00 a.m.-5:32 p.m.

2 stops16h 32m

C$ 1,177

LondonLondon

YXU - LHR

YXULHR

London

Wed 16/9

6:20 p.m.-11:50 a.m.

1 stop12h 30m

London Heathrow

Mon 21/9

8:30 a.m.-9:40 p.m.

1 stop18h 10m

C$ 1,182

LondonLondon

YXU - LHR

YXULHR

London

Fri 5/6

3:30 p.m.-6:35 a.m.

1 stop10h 05m

London Heathrow

Tue 9/6

8:30 a.m.-5:33 p.m.

1 stop14h 03m

C$ 1,184

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 and Lufthansa are the most popular carriers 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 15m

Direct flights

None
The fastest flight from London, Ontario to London Heathrow Airport takes 13h 15m
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 15m.

  • 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$ 857Free CancellationRating
7.1
11,017 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
Milton Keynes
Wembley
Slough
Gatwick
Swindon
Wokingham
Salisbury
Stratford-upon-Avon
Crawley
Feltham
Hayes
Waterlooville
Chelmsford
Basingstoke
Dover
Worthing
Woking
Ipswich

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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