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Flights to London

£375 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
06:00 - 21:57LHR  London Heathrow-YXU London
20h 57m2 stops Zurich Toronto Pearson Intl
Air Canada Logo
15:25 - 13:00YXU  London-LHR London Heathrow
16h 35m2 stops Toronto Pearson Intl Zurich
£426Air Canada
Sun, 8 Nov - Sun, 15 Nov
Air Canada Logo
06:00 - 21:57LHR  London Heathrow-YXU London
20h 57m2 stops Zurich Toronto Pearson Intl
Air Canada Logo
15:25 - 08:30YXU  London-LHR London Heathrow
12h 05m1 stop Toronto Pearson Intl
£428Air Canada
Sun, 8 Nov - Sun, 15 Nov
Air Canada Logo
09:00 - 21:57LHR  London Heathrow-YXU London
17h 57m2 stops Zurich Toronto Pearson Intl
Air Canada Logo
09:15 - 08:30YXU  London-LHR London Heathrow
18h 15m1 stop Toronto Pearson Intl
£429Air Canada
Wed, 4 Nov - Wed, 11 Nov
Air Canada Logo
06:00 - 21:57LHR  London Heathrow-YXU London
20h 57m2 stops Zurich Toronto Pearson Intl
Air Canada Logo
15:25 - 13:00YXU  London-LHR London Heathrow
16h 35m2 stops Toronto Pearson Intl Zurich
£434Air Canada
Fri, 6 Nov - Fri, 13 Nov
Air Canada Logo
09:00 - 21:57LHR  London Heathrow-YXU London
17h 57m2 stops Zurich Toronto Pearson Intl
Air Canada Logo
09:15 - 06:30YXU  London-LHR London Heathrow
16h 15m1 stop Toronto Pearson Intl
£435Air Canada
Fri, 6 Nov - Fri, 13 Nov
Air Canada Logo
06:00 - 08:37LHR  London Heathrow-YXU London
31h 37m2 stops Zurich Toronto Pearson Intl
Air Canada Logo
05:30 - 06:30YXU  London-LHR London Heathrow
20h 00m2 stops Toronto Pearson Intl Ottawa
£436Air Canada
Sat, 7 Nov - Sat, 14 Nov
Air Canada Logo
13:45 - 21:57LHR  London Heathrow-YXU London
37h 12m2 stops Zurich Toronto Pearson Intl
Air Canada Logo
15:25 - 16:20YXU  London-LHR London Heathrow
19h 55m2 stops Toronto Pearson Intl Zurich
£436Air Canada
Wed, 4 Nov - Wed, 11 Nov
Air Canada Logo
06:00 - 21:57LHR  London Heathrow-YXU London
20h 57m2 stops Zurich Toronto Pearson Intl
Air Canada Logo
15:25 - 13:00YXU  London-LHR London Heathrow
16h 35m2 stops Toronto Pearson Intl Zurich
£439Air Canada
Sun, 8 Nov - Sun, 15 Nov
Multiple Airlines Logo
19:25 - 21:57LHR  London Heathrow-YXU London
31h 32m2 stops Vienna Intl Toronto Pearson Intl
Multiple Airlines Logo
09:15 - 08:30YXU  London-LHR London Heathrow
18h 15m1 stop Toronto Pearson Intl
£440Multiple Airlines
Sat, 7 Nov - Sat, 14 Nov
Multiple Airlines Logo
19:25 - 21:57LHR  London Heathrow-YXU London
31h 32m2 stops Vienna Intl Toronto Pearson Intl
Multiple Airlines Logo
09:15 - 08:30YXU  London-LHR London Heathrow
18h 15m1 stop Toronto Pearson Intl
£453Multiple Airlines
Sat, 7 Nov - Sat, 14 Nov

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

Sun 8/11

06:00-21:57

2 stops20h 57m

London

Sun 15/11

15:25-13:00

2 stops16h 35m

£426
Fastest return journey

LondonLondon

LHR London Heathrow - YXU London

LHRYXU

London Heathrow

Sun 8/11

06:00-21:57

2 stops20h 57m

London

Sun 15/11

15:25-08:30

1 stop12h 05m

£428

LondonLondon

LHR London Heathrow - YXU London

LHRYXU

London Heathrow

Wed 4/11

09:00-21:57

2 stops17h 57m

London

Wed 11/11

09:15-08:30

1 stop18h 15m

£429

LondonLondon

LHR London Heathrow - YXU London

LHRYXU

London Heathrow

Fri 6/11

06:00-21:57

2 stops20h 57m

London

Fri 13/11

15:25-13:00

2 stops16h 35m

£434

LondonLondon

LHR London Heathrow - YXU London

LHRYXU

London Heathrow

Fri 6/11

09:00-21:57

2 stops17h 57m

London

Fri 13/11

09:15-06:30

1 stop16h 15m

£435

LondonLondon

LHR London Heathrow - YXU London

LHRYXU

London Heathrow

Sat 7/11

06:00-08:37

2 stops31h 37m

London

Sat 14/11

05:30-06:30

2 stops20h 00m

£436

LondonLondon

LHR London Heathrow - YXU London

LHRYXU

London Heathrow

Wed 4/11

13:45-21:57

2 stops37h 12m

London

Wed 11/11

15:25-16:20

2 stops19h 55m

£436

LondonLondon

LHR London Heathrow - YXU London

LHRYXU

London Heathrow

Sun 8/11

06:00-21:57

2 stops20h 57m

London

Sun 15/11

15:25-13:00

2 stops16h 35m

£439

LondonLondon

LHR London Heathrow - YXU London

LHRYXU

London Heathrow

Sat 7/11

19:25-21:57

2 stops31h 32m

London

Sat 14/11

09:15-08:30

1 stop18h 15m

£440

LondonLondon

LHR London Heathrow - YXU London

LHRYXU

London Heathrow

Sat 7/11

19:25-21:57

2 stops31h 32m

London

Sat 14/11

09:15-08:30

1 stop18h 15m

£453

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 45m on average. On the other hand, flying from Manchester to Toronto Pearson Intl takes 7h 20m 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

£375

Best Round-Trip Price

£426

Fastest flight time

19h 45m
The best one-way flight price to London from United Kingdom in the last 5 days is £375 (London Heathrow to London).
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The best return flight price to London from United Kingdom in the last 5 days is £426 (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 Hamilton Airport for £115 on average, but that price can change based on your departure airport. To save money, try momondo’s Airport-to-Airport Pricing Tool.

What is the absolute cheapest flight to London, Ontario?

Users booking trips to London, Ontario from Edmonton found flights 59% cheaper than the average price of flights to London, Ontario. To find the cheapest price to London, Ontario from your area, use 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 September 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

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