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Cheap flights from London to Ontario from £254

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 7/4. 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
0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
Icelandair Logo
12:15 - 18:15
LHR
-
YYZ
11h 00m
1 stop
Icelandair Logo
20:40 - 10:50
YYZ
-
LHR
10h 10m
1 stop
£318Icelandair
Thu, 5 Mar - Fri, 20 Mar
Icelandair Logo
13:00 - 19:10
LGW
-
YYZ
11h 10m
1 stop
Icelandair Logo
23:10 - 14:40
YYZ
-
LGW
10h 30m
1 stop
£318Icelandair
Tue, 28 Apr - Mon, 4 May
Icelandair Logo
20:35 - 19:15
LHR
-
YYZ
26h 40m
1 stop
Icelandair Logo
20:45 - 10:55
YYZ
-
LHR
10h 10m
1 stop
£319Icelandair
Thu, 12 Mar - Sat, 28 Mar
Air Canada Logo
09:30 - 18:17
LHR
-
YTZ
13h 47m
1 stop
Air Canada Logo
16:30 - 10:00
YTZ
-
LHR
12h 30m
1 stop
£321Air Canada
Mon, 27 Apr - Mon, 4 May
Air Transat Logo
11:35 - 12:00
LGW
-
YTZ
29h 25m
1 stop
Air Transat Logo
08:30 - 07:55
YTZ
-
LGW
18h 25m
1 stop
£353Air Transat
Fri, 8 May - Fri, 15 May
Air Transat Logo
11:35 - 12:00
LGW
-
YTZ
29h 25m
1 stop
Air Transat Logo
20:45 - 07:55
YTZ
-
LGW
30h 10m
1 stop
£355Air Transat
Fri, 8 May - Thu, 14 May
Air Canada Logo
09:30 - 17:52
LHR
-
YTZ
13h 22m
1 stop
Air Canada Logo
12:25 - 06:30
YTZ
-
LHR
13h 05m
1 stop
£358Air Canada
Tue, 31 Mar - Thu, 16 Apr
British Airways Logo
16:10 - 18:45
LHR
-
YUL
7h 35mdirect
British Airways Logo
21:50 - 08:40
YUL
-
LHR
6h 50mdirect
£370British Airways
Sun, 1 Mar - Mon, 23 Mar
Lufthansa Logo
09:40 - 16:15
LCY
-
YYZ
11h 35m
1 stop
Lufthansa Logo
16:50 - 09:05
YYZ
-
LCY
11h 15m
1 stop
£390Lufthansa
Thu, 19 Feb - Wed, 25 Feb
Lufthansa Logo
09:40 - 16:15
LCY
-
YYZ
11h 35m
1 stop
Lufthansa Logo
16:50 - 09:05
YYZ
-
LCY
11h 15m
1 stop
£402Lufthansa
Thu, 19 Feb - Wed, 25 Feb

Lufthansa flights from London to Region of Ontario

Our best Lufthansa deals on London to Region of Ontario flight tickets
Lufthansa
9 Feb
LHR09:30London Heathrow
11h 45m
1 stop
YYZ16:15Toronto Pearson Intl
16 Feb
YYZ14:20Toronto Pearson Intl
25h 15m
1 stop
LHR20:35London Heathrow
£388
Lufthansa
12 Feb
LHR13:30London Heathrow
11h 15m
1 stop
YYZ19:45Toronto Pearson Intl
15 Feb
YYZ17:30Toronto Pearson Intl
10h 50m
1 stop
LHR09:20London Heathrow
£389
Lufthansa
19 Feb
LCY09:40London City
11h 35m
1 stop
YYZ16:15Toronto Pearson Intl
25 Feb
YYZ16:50Toronto Pearson Intl
11h 15m
1 stop
LCY09:05London City
£390

Icelandair flights from London to Region of Ontario

Our best Icelandair deals on London to Region of Ontario flight tickets
Icelandair
5 Mar
LHR12:15London Heathrow
11h 00m
1 stop
YYZ18:15Toronto Pearson Intl
20 Mar
YYZ20:40Toronto Pearson Intl
10h 10m
1 stop
LHR10:50London Heathrow
£318
Icelandair
12 Mar
LHR20:35London Heathrow
26h 40m
1 stop
YYZ19:15Toronto Pearson Intl
28 Mar
YYZ20:45Toronto Pearson Intl
10h 10m
1 stop
LHR10:55London Heathrow
£319
Icelandair
30 Apr
LGW13:00London Gatwick
11h 10m
1 stop
YYZ19:10Toronto Pearson Intl
6 May
YYZ20:45Toronto Pearson Intl
10h 00m
1 stop
LGW11:45London Gatwick
£319

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 8 February 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

Thu 5/3

12:15-18:15

1 stop11h 00m

Toronto Pearson Intl

Fri 20/3

20:40-10:50

1 stop10h 10m

£318

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Tue 28/4

13:00-19:10

1 stop11h 10m

Toronto Pearson Intl

Mon 4/5

23:10-14:40

1 stop10h 30m

£318

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Thu 12/3

20:35-19:15

1 stop26h 40m

Toronto Pearson Intl

Sat 28/3

20:45-10:55

1 stop10h 10m

£319

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Mon 27/4

09:30-18:17

1 stop13h 47m

Toronto Island

Mon 4/5

16:30-10:00

1 stop12h 30m

£321

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Fri 8/5

11:35-12:00

1 stop29h 25m

Toronto Island

Fri 15/5

08:30-07:55

1 stop18h 25m

£353

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Fri 8/5

11:35-12:00

1 stop29h 25m

Toronto Island

Thu 14/5

20:45-07:55

1 stop30h 10m

£355

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Tue 31/3

09:30-17:52

1 stop13h 22m

Toronto Island

Thu 16/4

12:25-06:30

1 stop13h 05m

£358

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Sun 1/3

16:10-18:45

Nonstop7h 35m

Montreal Pierre Elliott Trudeau Intl

Mon 23/3

21:50-08:40

Nonstop6h 50m

£370

LondonToronto

LCY - YYZ

LCYYYZ

London City

Thu 19/2

09:40-16:15

1 stop11h 35m

Toronto Pearson Intl

Wed 25/2

16:50-09:05

1 stop11h 15m

£390

LondonToronto

LCY - YYZ

LCYYYZ

London City

Thu 19/2

09:40-16:15

1 stop11h 35m

Toronto Pearson Intl

Wed 25/2

16:50-09:05

1 stop11h 15m

£402

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 £352. 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 £363.

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 £497. Flights from London to Region of Ontario on a Monday will generally be more expensive and average around £534. 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 £491. In the afternoon is when there is more demand to fly to Region of Ontario, so prices are often more expensive at around £540 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 £445 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 £404 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 1% 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

£283

Fastest flight time

7h 10m

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 £283. The best return flight deal from London to Region of Ontario found on momondo in the last 72 hours is £364.
The fastest flight from London to Region of Ontario takes 7h 10m
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), Toronto Pearson Intl (YYZ).
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
Scandinavian AirlinesPriceFrom £281Free CancellationRating
7.3
1,678 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom £290Free CancellationRating
7.1
606 reviews
Search Icelandair flights
Air CanadaPriceFrom £300Free CancellationRating
7.1
10,698 reviews
Search Air Canada flights
Air TransatPriceFrom £302Free CancellationRating
7.7
504 reviews
Search Air Transat flights
TAP AIR PORTUGALPriceFrom £306Free CancellationRating
7.1
2,135 reviews
Search TAP AIR PORTUGAL flights
Aer LingusPriceFrom £310Free CancellationRating
7.2
1,447 reviews
Search Aer Lingus flights
LufthansaPriceFrom £313Free CancellationRating
6.8
7,775 reviews
Search Lufthansa flights
DeltaPriceFrom £315Free CancellationRating
7.9
8,173 reviews
Search Delta flights
KLMPriceFrom £330Free CancellationRating
7.7
1,450 reviews
Search KLM flights
Virgin AtlanticPriceFrom £331Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic 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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