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Flights to London

£413 Cheap flights to London, Ontario

1 adult
1 adult, Economy, 0 bags

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

Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
18:00 - 14:42LHR  London Heathrow-YXU London
25h 42m1 stop Toronto Pearson Intl
Air Canada Logo
05:30 - 11:20YXU  London-LHR London Heathrow
24h 50m1 stop Toronto Pearson Intl
£413Air Canada
Thu, 24 Dec - Thu, 31 Dec
Air Canada Logo
06:00 - 21:52LHR  London Heathrow-YXU London
20h 52m2 stops Zurich Toronto Pearson Intl
Air Canada Logo
05:30 - 13:00YXU  London-LHR London Heathrow
26h 30m2 stops Toronto Pearson Intl Zurich
£546Air Canada
Fri, 4 Dec - Sun, 6 Dec
Multiple Airlines Logo
18:00 - 14:42LHR  London Heathrow-YXU London
25h 42m1 stop Toronto Pearson Intl
Multiple Airlines Logo
15:20 - 08:30YXU  London-LHR London Heathrow
12h 10m1 stop Toronto Pearson Intl
£551Multiple Airlines
Fri, 27 Nov - Wed, 2 Dec
Air Canada Logo
06:00 - 21:52LHR  London Heathrow-YXU London
20h 52m2 stops Zurich Toronto Pearson Intl
Air Canada Logo
15:20 - 11:20YXU  London-LHR London Heathrow
15h 00m1 stop Toronto Pearson Intl
£552Air Canada
Fri, 4 Dec - Sun, 6 Dec
Lufthansa Logo
15:00 - 20:27LHR  London Heathrow-YXU London
10h 27m1 stop Toronto Pearson Intl
Lufthansa Logo
15:20 - 17:05YXU  London-LHR London Heathrow
20h 45m2 stops Toronto Pearson Intl Munich Franz Josef Strauss
£553Lufthansa
Fri, 27 Nov - Wed, 2 Dec
Air Canada Logo
09:00 - 20:27LHR  London Heathrow-YXU London
16h 27m2 stops Zurich Toronto Pearson Intl
Air Canada Logo
05:30 - 16:20YXU  London-LHR London Heathrow
29h 50m2 stops Toronto Pearson Intl Zurich
£553Air Canada
Wed, 2 Dec - Sun, 6 Dec
Air Canada Logo
09:00 - 20:27LHR  London Heathrow-YXU London
16h 27m2 stops Zurich Toronto Pearson Intl
Air Canada Logo
15:20 - 11:20YXU  London-LHR London Heathrow
15h 00m1 stop Toronto Pearson Intl
£556Air Canada
Wed, 2 Dec - Sun, 6 Dec
Multiple Airlines Logo
09:00 - 20:27LHR  London Heathrow-YXU London
16h 27m2 stops Zurich Toronto Pearson Intl
Multiple Airlines Logo
15:20 - 14:45YXU  London-LHR London Heathrow
18h 25m2 stops Toronto Pearson Intl Frankfurt am Main
£556Multiple Airlines
Wed, 2 Dec - Sun, 6 Dec
Air Canada Logo
09:00 - 20:27LHR  London Heathrow-YXU London
16h 27m2 stops Zurich Toronto Pearson Intl
Air Canada Logo
15:20 - 06:30YXU  London-LHR London Heathrow
34h 10m2 stops Toronto Pearson Intl Ottawa
£559Air Canada
Wed, 2 Dec - Sun, 6 Dec
Air Canada Logo
06:00 - 20:27LHR  London Heathrow-YXU London
19h 27m2 stops Zurich Toronto Pearson Intl
Air Canada Logo
05:30 - 11:20YXU  London-LHR London Heathrow
24h 50m1 stop Toronto Pearson Intl
£559Air Canada
Wed, 2 Dec - Sun, 6 Dec

momondo Fare Finder

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

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonLondon

LHR London Heathrow - YXU London

LHRYXU

London Heathrow

Thu 24/12

18:00-14:42

1 stop25h 42m

London

Thu 31/12

05:30-11:20

1 stop24h 50m

£413

LondonLondon

LHR London Heathrow - YXU London

LHRYXU

London Heathrow

Fri 4/12

06:00-21:52

2 stops20h 52m

London

Sun 6/12

05:30-13:00

2 stops26h 30m

£546

LondonLondon

LHR London Heathrow - YXU London

LHRYXU

London Heathrow

Fri 27/11

18:00-14:42

1 stop25h 42m

London

Wed 2/12

15:20-08:30

1 stop12h 10m

£551

LondonLondon

LHR London Heathrow - YXU London

LHRYXU

London Heathrow

Fri 4/12

06:00-21:52

2 stops20h 52m

London

Sun 6/12

15:20-11:20

1 stop15h 00m

£552
Fastest return journey

LondonLondon

LHR London Heathrow - YXU London

LHRYXU

London Heathrow

Fri 27/11

15:00-20:27

1 stop10h 27m

London

Wed 2/12

15:20-17:05

2 stops20h 45m

£553

LondonLondon

LHR London Heathrow - YXU London

LHRYXU

London Heathrow

Wed 2/12

09:00-20:27

2 stops16h 27m

London

Sun 6/12

05:30-16:20

2 stops29h 50m

£553

LondonLondon

LHR London Heathrow - YXU London

LHRYXU

London Heathrow

Wed 2/12

09:00-20:27

2 stops16h 27m

London

Sun 6/12

15:20-11:20

1 stop15h 00m

£556

LondonLondon

LHR London Heathrow - YXU London

LHRYXU

London Heathrow

Wed 2/12

09:00-20:27

2 stops16h 27m

London

Sun 6/12

15:20-14:45

2 stops18h 25m

£556

LondonLondon

LHR London Heathrow - YXU London

LHRYXU

London Heathrow

Wed 2/12

09:00-20:27

2 stops16h 27m

London

Sun 6/12

15:20-06:30

2 stops34h 10m

£559

LondonLondon

LHR London Heathrow - YXU London

LHRYXU

London Heathrow

Wed 2/12

06:00-20:27

2 stops19h 27m

London

Sun 6/12

05:30-11:20

1 stop24h 50m

£559

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to London, Ontario from

London, Ontario flights insights and trends

Explore insights for your London, Ontario flight to craft the best travel plan

How long does it take to fly to London, Ontario?

Flight times vary depending on what airport in United Kingdom you fly out of and what airport in London, Ontario you fly into. For example, flying from London Heathrow to Toronto Pearson Intl takes 7h 50m on average. On the other hand, flying from Manchester to Toronto Pearson Intl takes 7h 25m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo to see if there are any available for your route.

Cheapest flights to London

Find the cheapest flights to London from your nearest city or airport

Cheap London, Ontario flight deals and tips

Summary info about London, Ontario flight prices, duration and airlines

Best One-Way Price

£338

Best Round-Trip Price

£413

Fastest flight time

19h 45m
The best one-way flight price to London from United Kingdom in the last 5 days is £338 (London Gatwick to London).
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The best return flight price to London from United Kingdom in the last 5 days is £413 (London Heathrow to London).
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The fastest flight to London from United Kingdom takes 19h 45m (London Heathrow to London).
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Frequently asked questions about flying to London, Ontario

Is there an alternative airport near London, Ontario?

Finding an alternative and possibly cheaper destination airport near London, Ontario is possible. If you are planning a flight to London, Ontario, consider booking flights to London Airport (5 mi from London, Ontario city centre), Toronto Region of Waterloo Intl Airport (54 mi from London, Ontario city centre), Sarnia Airport (54 mi from London, Ontario city centre), Chatham-Kent Airport (63 mi from London, Ontario city centre) or Hamilton Airport (67 mi from London, Ontario city centre).

Is there a cheaper alternative to flying into London, Ontario?

You can find deals at Toronto Region of Waterloo Intl Airport for £124 on average, but that price can change based on your departure airport. To save money, try momondo’s Airport-to-Airport Pricing Tool.

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

Prices for flights to London Airport are refreshed on a daily basis.

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

The number of operators available for flights to London Airport is 1 as of November 2026.

How old do you have to be to fly to London Airport?

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 to London Airport.

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

The necessary travel and health documents for your London 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, Ontario?

Book flights to London, Ontario if you plan to visit one of these locations
Grand Bend

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights to London. Millions of users trust and use momondo every year so you are in good company.

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

momondo does allow users to show only those flights to London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights to London?

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

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

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

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Find better results for your trip to London, Ontario

Popular Flights to London, Ontario

London to London Flightsfrom £731
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