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Cheap flights from London to Ontario from £265

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 to Ontario departing on 24/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
14:50 - 13:50
LHR
-
YYZ
28h 00m
1 stop
Air Canada Logo
20:55 - 20:35
YYZ
-
LHR
18h 40m
1 stop
£338Air Canada
Sat, 7 Feb - Sat, 21 Feb
Air Canada Logo
13:25 - 21:35
LHR
-
YTZ
13h 10m
1 stop
Air Canada Logo
21:55 - 09:20
YTZ
-
LHR
30h 25m
1 stop
£338Air Canada
Sat, 28 Feb - Thu, 5 Mar
Air Canada Logo
09:00 - 20:05
LHR
-
YYZ
16h 05m
1 stop
Air Canada Logo
06:15 - 20:35
YYZ
-
LHR
9h 20m
1 stop
£339Air Canada
Sat, 28 Feb - Tue, 3 Mar
Air Transat Logo
11:40 - 15:00
LGW
-
YYZ
8h 20mdirect
Air Transat Logo
21:35 - 09:45
YYZ
-
LGW
7h 10mdirect
£340Air Transat
Fri, 6 Feb - Thu, 12 Feb
Air Transat Logo
11:40 - 15:00
LGW
-
YYZ
8h 20mdirect
Air Transat Logo
21:35 - 09:45
YYZ
-
LGW
7h 10mdirect
£342Air Transat
Sun, 1 Feb - Fri, 6 Feb
Lufthansa Logo
13:30 - 19:45
LHR
-
YYZ
11h 15m
1 stop
Lufthansa Logo
18:10 - 06:30
YYZ
-
LHR
7h 20mdirect
£342Lufthansa
Tue, 3 Feb - Fri, 13 Feb
Icelandair Logo
11:55 - 18:15
LGW
-
YYZ
11h 20m
1 stop
Icelandair Logo
19:40 - 10:55
YYZ
-
LGW
10h 15m
1 stop
£343Icelandair
Mon, 9 Feb - Mon, 2 Mar
Lufthansa Logo
09:00 - 14:55
LHR
-
YYZ
10h 55m
1 stop
Lufthansa Logo
21:20 - 08:30
YYZ
-
LHR
7h 10mdirect
£344Lufthansa
Mon, 2 Mar - Mon, 16 Mar
Icelandair Logo
15:40 - 22:10
LGW
-
YYZ
11h 30m
1 stop
Icelandair Logo
20:45 - 11:45
YYZ
-
LGW
10h 00m
1 stop
£346Icelandair
Fri, 15 May - Sat, 30 May
Air France Logo
09:00 - 15:20
LHR
-
YUL
11h 20m
1 stop
Air France Logo
18:00 - 07:55
YUL
-
LHR
9h 55m
1 stop
£389Air France
Thu, 26 Feb - Thu, 19 Mar

British Airways flights from London to Region of Ontario

Our best British Airways deals on London to Region of Ontario flight tickets
British Airways
19 Feb
LHR09:50London Heathrow
11h 05m
1 stop
YYZ15:55Toronto Pearson Intl
15 Mar
YYZ10:44Toronto Pearson Intl
17h 21m
2 stops
LHR08:05London Heathrow
£360
British Airways
9 Mar
LHR17:05London Heathrow
8h 10m
YYZ21:15Toronto Pearson Intl
3 May
YYZ22:15Toronto Pearson Intl
7h 15m
LHR10:30London Heathrow
£366
British Airways
24 Jan
LHR09:50London Heathrow
11h 05m
1 stop
YYZ15:55Toronto Pearson Intl
11 Feb
YYZ17:25Toronto Pearson Intl
14h 40m
2 stops
LHR13:05London Heathrow
£367

SWISS flights from London to Region of Ontario

Our best SWISS deals on London to Region of Ontario flight tickets
SWISS
23 Jan
LCY17:40London City
27h 45m
1 stop
YYZ16:25Toronto Pearson Intl
25 Jan
YYZ14:00Toronto Pearson Intl
13h 40m
2 stops
LCY08:40London City
£338
SWISS
11 Feb
LCY09:20London City
12h 05m
1 stop
YYZ16:25Toronto Pearson Intl
18 Feb
YYZ20:25Toronto Pearson Intl
11h 30m
1 stop
LCY12:55London City
£342
SWISS
22 Jan
LHR09:00London Heathrow
12h 25m
1 stop
YYZ16:25Toronto Pearson Intl
27 Jan
YYZ14:00Toronto Pearson Intl
13h 05m
2 stops
LHR08:05London Heathrow
£343

momondo Fare Finder

 
Customise your flight search to find flights from London to Region of Ontario 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 279,928 searches. Data last updated 13 January 2026.
Use the filters below to find and compare flights from London to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Sat 7/2

14:50-13:50

1 stop28h 00m

Toronto Pearson Intl

Sat 21/2

20:55-20:35

1 stop18h 40m

£338

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Sat 28/2

13:25-21:35

1 stop13h 10m

Toronto Island

Thu 5/3

21:55-09:20

1 stop30h 25m

£338

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Sat 28/2

09:00-20:05

1 stop16h 05m

Toronto Pearson Intl

Tue 3/3

06:15-20:35

1 stop9h 20m

£339

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Fri 6/2

11:40-15:00

Nonstop8h 20m

Toronto Pearson Intl

Thu 12/2

21:35-09:45

Nonstop7h 10m

£340

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Sun 1/2

11:40-15:00

Nonstop8h 20m

Toronto Pearson Intl

Fri 6/2

21:35-09:45

Nonstop7h 10m

£342

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Tue 3/2

13:30-19:45

1 stop11h 15m

Toronto Pearson Intl

Fri 13/2

18:10-06:30

Nonstop7h 20m

£342

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Mon 9/2

11:55-18:15

1 stop11h 20m

Toronto Pearson Intl

Mon 2/3

19:40-10:55

1 stop10h 15m

£343

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Mon 2/3

09:00-14:55

1 stop10h 55m

Toronto Pearson Intl

Mon 16/3

21:20-08:30

Nonstop7h 10m

£344

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Fri 15/5

15:40-22:10

1 stop11h 30m

Toronto Pearson Intl

Sat 30/5

20:45-11:45

1 stop10h 00m

£346

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Thu 26/2

09:00-15:20

1 stop11h 20m

Montreal Pierre Elliott Trudeau Intl

Thu 19/3

18:00-07:55

1 stop9h 55m

£389

Flights are sorted by cheapest return flights first.

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

See travel insights to Ontario from

How to get the cheapest flight ticket from London to Region of Ontario

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 month to fly to Region of Ontario?

In general, February is the cheapest month to fly from London to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £360. If you aren’t able to travel to Region of Ontario during the month of February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of £367.

What is the cheapest day to depart on your flight to Region of Ontario?

The cheapest day to depart from London to Region of Ontario is on a Thursday when prices can be found for as low as £498. Flights from London to Region of Ontario on a Monday will generally be more expensive and average around £536. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our data shows that the cheapest London to Region of Ontario flights are usually those with departure times at midday. Our users have found flights to Region of Ontario at midday for as low as £486. In the afternoon is when there is more demand to fly to Region of Ontario, so prices are often more expensive at around £537 per ticket.

What is the cheapest London to Ontario flight route?

Fly from London Gatwick to Toronto Pearson Intl for the best London - Ontario flight prices

How far in advance should I book a flight to Region of Ontario?

You are more likely to see cheaper flights to Region of Ontario from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around £450 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from London for as low as £409 on momondo.

What cabin class options are available on London to Ontario flights?

There are 4 cabin classes available to choose from on London to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London to Region of Ontario flights?

You could potentially save up to 21% on your flight if you consider stops on a London to Region of Ontario flight.

Cheap London to Region of Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Region of Ontario

Best price found

£281

Fastest flight time

7h 20m

Direct flights

Every day

Airports in Region of Ontario

123 airports
The best one-way flight to Region of Ontario from London in the past 72 hours is £281. The best return flight deal from London to Region of Ontario found on momondo in the last 72 hours is £391.
The fastest flight from London to Region of Ontario takes 7h 20m
Direct flights go from London to Region of Ontario every day.
There are 123 airports in Region of Ontario. From London there are direct flights to Montreal Pierre Elliott Trudeau Intl (YUL).
Search flight deals

  • When did momondo last update prices for flights from London to Ontario?

    Prices for flights from London to Ontario are updated daily.

  • How many operators does momondo search for flights from London to Ontario?

  • How old do you have to be to fly from London to Ontario?

    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 to Ontario.

  • What documentation or ID do you need to fly to Ontario?

    The necessary travel and health documents for your Ontario 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 plane model from London to Region of Ontario?

Best airlines flying from London to Region of Ontario

Compare and see reviews for airlines that fly from London to Region of Ontario with momondo
Airline
Rating
Free Cancellation
Price
PLAYPriceFrom £258Free CancellationRating
7.0
103 reviews
Search PLAY flights
SWISSPriceFrom £271Free CancellationRating
7.5
1,846 reviews
Search SWISS flights
IcelandairPriceFrom £293Free CancellationRating
7.1
595 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom £298Free CancellationRating
7.3
1,646 reviews
Search Scandinavian Airlines flights
Air TransatPriceFrom £300Free CancellationRating
7.7
493 reviews
Search Air Transat flights
Air CanadaPriceFrom £304Free CancellationRating
7.1
10,618 reviews
Search Air Canada flights
DeltaPriceFrom £306Free CancellationRating
7.9
8,039 reviews
Search Delta flights
Aer LingusPriceFrom £314Free CancellationRating
7.2
1,435 reviews
Search Aer Lingus flights
LufthansaPriceFrom £315Free CancellationRating
6.8
7,709 reviews
Search Lufthansa flights
TAP AIR PORTUGALPriceFrom £327Free CancellationRating
7.1
2,116 reviews
Search TAP AIR PORTUGAL flights

Why use momondo?

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

Finding the right flight to Ontario from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Ontario from London with this policy.

How can momondo help me find flights from London to Ontario?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Ontario.

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

Price alerts on flights to Ontario from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Region of Ontario trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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Find better results for your trip to Ontario

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