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Cheap flights from London, Ontario to the United Kingdom from C$ 530

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 the United Kingdom departing on 9/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:25 a.m. - 7:10 a.m.
YXU
-
LHR
17h 45m
2 stops
Multiple Airlines Logo
9:00 a.m. - 9:21 p.m.
LHR
-
YXU
16h 21m
2 stops
C$ 835Multiple Airlines
Mon, 9 Mar - Mon, 16 Mar
Air Canada Logo
5:40 p.m. - 11:20 a.m.
YXU
-
LHR
13h 40m
1 stop
Air Canada Logo
1:00 p.m. - 8:46 a.m.
LHR
-
YXU
23h 46m
1 stop
C$ 849Air Canada
Mon, 9 Mar - Mon, 16 Mar
Air Canada Logo
5:10 a.m. - 6:30 a.m.
YXU
-
LHR
20h 20m
1 stop
Air Canada Logo
12:05 p.m. - 9:21 p.m.
LHR
-
YXU
38h 16m
2 stops
C$ 883Air Canada
Mon, 23 Feb - Fri, 27 Feb
Multiple Airlines Logo
5:40 p.m. - 8:30 a.m.
YXU
-
LHR
9h 50m
1 stop
Multiple Airlines Logo
1:00 p.m. - 9:21 p.m.
LHR
-
YXU
13h 21m
1 stop
C$ 918Multiple Airlines
Thu, 19 Feb - Thu, 26 Feb
Lufthansa Logo
9:25 a.m. - 8:35 p.m.
YXU
-
LHR
30h 10m
2 stops
Lufthansa Logo
7:40 a.m. - 9:21 p.m.
LHR
-
YXU
18h 41m
2 stops
C$ 922Lufthansa
Sat, 21 Feb - Sat, 28 Feb
United Airlines Logo
5:10 a.m. - 5:55 a.m.
YXU
-
LHR
19h 45m
2 stops
United Airlines Logo
7:40 a.m. - 5:05 p.m.
LHR
-
YXU
38h 25m
2 stops
C$ 1,007United Airlines
Sat, 21 Feb - Sat, 28 Feb
United Airlines Logo
9:25 a.m. - 9:30 a.m.
YXU
-
EDI
44h 05m
2 stops
United Airlines Logo
11:30 a.m. - 9:21 p.m.
EDI
-
YXU
13h 51m
2 stops
C$ 1,021United Airlines
Mon, 9 Mar - Mon, 16 Mar
Lufthansa Logo
5:40 p.m. - 4:55 p.m.
YXU
-
EDI
19h 15m
2 stops
Lufthansa Logo
12:45 p.m. - 5:05 p.m.
EDI
-
YXU
32h 20m
2 stops
C$ 1,235Lufthansa
Tue, 10 Mar - Tue, 17 Mar
SWISS Logo
5:40 p.m. - 5:50 p.m.
YXU
-
LGW
20h 10m
2 stops
SWISS Logo
6:40 p.m. - 9:21 p.m.
LGW
-
YXU
30h 41m
2 stops
C$ 1,418SWISS
Mon, 9 Mar - Mon, 16 Mar
SWISS Logo
5:40 p.m. - 5:05 p.m.
YXU
-
LCY
19h 25m
2 stops
SWISS Logo
9:15 a.m. - 9:21 p.m.
LCY
-
YXU
16h 06m
2 stops
C$ 1,457SWISS
Mon, 9 Mar - Mon, 16 Mar

United Airlines flights from London, Ontario to United Kingdom

Our best United Airlines deals on London, Ontario to United Kingdom flight tickets
United Airlines
21 Feb
YXU5:10 a.m.London
19h 45m
2 stops
LHR5:55 a.m.London Heathrow
28 Feb
LHR7:40 a.m.London Heathrow
38h 25m
2 stops
YXU5:05 p.m.London
C$ 1,007
United Airlines
9 Mar
YXU9:25 a.m.London
44h 05m
2 stops
EDI9:30 a.m.Edinburgh Turnhouse
16 Mar
EDI11:30 a.m.Edinburgh Turnhouse
13h 51m
2 stops
YXU9:21 p.m.London
C$ 1,021
United Airlines
5 Apr
YXU5:10 a.m.London
24h 25m
2 stops
EDI10:35 a.m.Edinburgh Turnhouse
9 Apr
EDI12:30 p.m.Edinburgh Turnhouse
33h 33m
2 stops
YXU5:03 p.m.London
C$ 1,146

WestJet flights from London, Ontario to United Kingdom

Our best WestJet deals on London, Ontario to United Kingdom flight tickets
WestJet
10 Mar
YXU8:10 p.m.London
36h 40m
1 stop
LHR12:50 p.m.London Heathrow
17 Mar
LHR2:50 p.m.London Heathrow
19h 45m
1 stop
YXU6:35 a.m.London
C$ 1,566
WestJet
8 Mar
YXU8:10 p.m.London
36h 40m
1 stop
LHR12:50 p.m.London Heathrow
15 Mar
LHR8:55 a.m.London Heathrow
25h 40m
2 stops
YXU6:35 a.m.London
C$ 2,307

momondo Fare Finder

 
Customize your flight search to find flights from London, Ontario to United Kingdom 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 24 January 2026.
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

Mon 9/3

9:25 a.m.-7:10 a.m.

2 stops17h 45m

London Heathrow

Mon 16/3

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

2 stops16h 21m

C$ 835

LondonLondon

YXU - LHR

YXULHR

London

Mon 9/3

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

1 stop13h 40m

London Heathrow

Mon 16/3

1:00 p.m.-8:46 a.m.

1 stop23h 46m

C$ 849

LondonLondon

YXU - LHR

YXULHR

London

Mon 23/2

5:10 a.m.-6:30 a.m.

1 stop20h 20m

London Heathrow

Fri 27/2

12:05 p.m.-9:21 p.m.

2 stops38h 16m

C$ 883

LondonLondon

YXU - LHR

YXULHR

London

Thu 19/2

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

1 stop9h 50m

London Heathrow

Thu 26/2

1:00 p.m.-9:21 p.m.

1 stop13h 21m

C$ 918

LondonLondon

YXU - LHR

YXULHR

London

Sat 21/2

9:25 a.m.-8:35 p.m.

2 stops30h 10m

London Heathrow

Sat 28/2

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

2 stops18h 41m

C$ 922

LondonLondon

YXU - LHR

YXULHR

London

Sat 21/2

5:10 a.m.-5:55 a.m.

2 stops19h 45m

London Heathrow

Sat 28/2

7:40 a.m.-5:05 p.m.

2 stops38h 25m

C$ 1,007

LondonEdinburgh

YXU - EDI

YXUEDI

London

Mon 9/3

9:25 a.m.-9:30 a.m.

2 stops44h 05m

Edinburgh Turnhouse

Mon 16/3

11:30 a.m.-9:21 p.m.

2 stops13h 51m

C$ 1,021

LondonEdinburgh

YXU - EDI

YXUEDI

London

Tue 10/3

5:40 p.m.-4:55 p.m.

2 stops19h 15m

Edinburgh Turnhouse

Tue 17/3

12:45 p.m.-5:05 p.m.

2 stops32h 20m

C$ 1,235

LondonLondon

YXU - LGW

YXULGW

London

Mon 9/3

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

2 stops20h 10m

London Gatwick

Mon 16/3

6:40 p.m.-9:21 p.m.

2 stops30h 41m

C$ 1,418

LondonLondon

YXU - LCY

YXULCY

London

Mon 9/3

5:40 p.m.-5:05 p.m.

2 stops19h 25m

London City

Mon 16/3

9:15 a.m.-9:21 p.m.

2 stops16h 06m

C$ 1,457

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 the United Kingdom from

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

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

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

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 25m

Direct flights

None
The fastest flight from London, Ontario to United Kingdom takes 9h 25m
There are no direct flights from London, Ontario to United Kingdom. There are no popular flight routes from London, Ontario to United Kingdom.
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  • When did momondo last update prices for flights from London Airport to United Kingdom?

    Prices for flights from London Airport to United Kingdom are updated daily.

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

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

    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 London Airport to United Kingdom.

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

    The travel and health documents you'll need for your trip to United Kingdom may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United Kingdom. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from London, Ontario to United Kingdom

Compare and see reviews for airlines that fly from London, Ontario to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 849Free CancellationRating
7.1
10,652 reviews
Search Air Canada flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to United Kingdom for you.

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

All flight searches from London to United Kingdom on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential London to United Kingdom flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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.

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Find better results for your trip to the United Kingdom

Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
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