Which airlines fly to London, Ontario?

Based on our data, the most popular airlines that fly to London, Ontario from United Kingdom are Air Canada, Air Transat, Lufthansa and Virgin Atlantic. There may also be other airline options depending on where in United Kingdom you’re flying from.

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 35m 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.

£524 Cheap Flights to London in 2025/26

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

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One-way

Cheap return flights

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09:00 - 21:21LHR-YXU

17h 21m2 stops

17:40 - 06:30YXU-LHR

31h 50m1 stop

£524Air Canada

Find Deal

Fri, 5 Dec - Sun, 14 Dec

13:45 - 08:46LHR-YXU

48h 01m2 stops

05:10 - 07:10YXU-LHR

21h 00m2 stops

£536Air Canada

Find Deal

Fri, 5 Dec - Sun, 14 Dec

09:00 - 21:21LHR-YXU

17h 21m2 stops

17:40 - 06:30YXU-LHR

31h 50m1 stop

£540Air Canada

Find Deal

Fri, 5 Dec - Sun, 14 Dec

11:10 - 21:21LHR-YXU

15h 11m1 stop

17:40 - 06:30YXU-LHR

31h 50m1 stop

£543Air Canada

Find Deal

Fri, 5 Dec - Sun, 14 Dec

13:30 - 17:05LHR-YXU

32h 35m2 stops

05:10 - 13:00YXU-LHR

26h 50m2 stops

£548Multiple Airlines

Find Deal

Thu, 27 Nov - Mon, 1 Dec

11:10 - 17:05LHR-YXU

10h 55m1 stop

17:40 - 06:30YXU-LHR

31h 50m1 stop

£555Lufthansa

Find Deal

Fri, 5 Dec - Sun, 14 Dec

09:40 - 17:05LCY-YXU

36h 25m2 stops

09:25 - 17:40YXU-LCY

27h 15m2 stops

£587Lufthansa

Find Deal

Thu, 26 Feb - Mon, 2 Mar

18:40 - 21:21LGW-YXU

30h 41m2 stops

17:40 - 17:50YXU-LGW

20h 10m2 stops

£612SWISS

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Thu, 12 Mar - Mon, 16 Mar

18:40 - 21:21LGW-YXU

30h 41m2 stops

17:40 - 17:50YXU-LGW

20h 10m2 stops

£612SWISS

Find Deal

Thu, 12 Mar - Mon, 16 Mar

12:50 - 08:46GLA-YXU

24h 56m2 stops

17:40 - 11:50YXU-GLA

37h 10m2 stops

£701Multiple Airlines

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Fri, 5 Dec - Sun, 7 Dec

Fly from

Route

Depart

Return

Price

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Fri 5/12

09:00-21:21

2 stops17h 21m

London

Sun 14/12

17:40-06:30

1 stop31h 50m

£524

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Fri 5/12

13:45-08:46

2 stops48h 01m

London

Sun 14/12

05:10-07:10

2 stops21h 00m

£536

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Fri 5/12

09:00-21:21

2 stops17h 21m

London

Sun 14/12

17:40-06:30

1 stop31h 50m

£540

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Fri 5/12

11:10-21:21

1 stop15h 11m

London

Sun 14/12

17:40-06:30

1 stop31h 50m

£543

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Thu 27/11

13:30-17:05

2 stops32h 35m

London

Mon 1/12

05:10-13:00

2 stops26h 50m

£548

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Fri 5/12

11:10-17:05

1 stop10h 55m

London

Sun 14/12

17:40-06:30

1 stop31h 50m

£555

LondonLondon

LCY - YXU

LCYYXU

London City

Thu 26/2

09:40-17:05

2 stops36h 25m

London

Mon 2/3

09:25-17:40

2 stops27h 15m

£587

LondonLondon

LGW - YXU

LGWYXU

London Gatwick

Thu 12/3

18:40-21:21

2 stops30h 41m

London

Mon 16/3

17:40-17:50

2 stops20h 10m

£612

LondonLondon

LGW - YXU

LGWYXU

London Gatwick

Thu 12/3

18:40-21:21

2 stops30h 41m

London

Mon 16/3

17:40-17:50

2 stops20h 10m

£612

GlasgowLondon

GLA - YXU

GLAYXU

Glasgow Intl

Fri 5/12

12:50-08:46

2 stops24h 56m

London

Sun 7/12

17:40-11:50

2 stops37h 10m

£701

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

London, Ontario flights insights and trends

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

Prices

Other information

What is the cheapest day to depart on your flight to London, Ontario?

On average, the least expensive day to fly to London, Ontario from United Kingdom is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £545. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from United Kingdom because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £759.

What is the cheapest time of day to depart on your flight to London, Ontario?

According to our data, the cheapest time of day to fly to London, Ontario is in the afternoon. momondo users have found flights departing from United Kingdom to London, Ontario in the afternoon for as low as £586. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at midday are often more expensive, with an average ticket price of £675.

Cheapest flights to London

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

Find flights from London Heathrow Airport to Toronto Pearson Intl Airport

CHEAPEST MONTH TO FLY TO LONDON, ONTARIO FROM LONDON HEATHROW AIRPORT	January	0% cheaper	Flying from London Heathrow Airport to London, Ontario costs on average just £481 in January
MOST EXPENSIVE MONTH TO FLY TO LONDON, ONTARIO FROM LONDON HEATHROW AIRPORT	August	49% more expensive	It costs about £712 for flights to London, Ontario from London Heathrow Airport in August
MOST POPULAR MONTH TO FLY TO LONDON, ONTARIO FROM LONDON HEATHROW AIRPORT	July	750% more users visited	More momondo users searched in flights to London, Ontario from London Heathrow Airport in July than any other month

Cheap London, Ontario flight deals and tips

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

Best One-Way Price	£555
Best Round-Trip Price	£524
Fastest flight time	10h 55m

The best one-way flight price to London from United Kingdom in the last 72 hours is £555 (London Stansted to London).

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The best round-trip flight price to London from United Kingdom in the last 72 hours is £524 (London Heathrow to London).

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The fastest flight to London from United Kingdom takes 10h 55m (London Heathrow to London).

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Frequently asked questions about flying to London, Ontario

What is the cheapest month to fly to London, Ontario?

In general, April is the cheapest month to fly from United Kingdom to London, Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £488. If you don’t want to visit London, Ontario in April, then you should wait until May to fly from United Kingdom, when ticket prices are also cheap, with an average price of £518.

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 £83 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 Halifax found flights 65% 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 November 2025.

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.

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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.