Cheap flights from London to Ontario from £279

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 16/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Air Canada Logo
12:40 - 21:44LHR-YYZ
14h 04m2 stops
Air Canada Logo
00:30 - 21:00YYZ-LHR
15h 30m2 stops
£394Air Canada
Find Deal
Mon, 11 May - Tue, 26 May
Icelandair Logo
15:40 - 19:10LGW-YYZ
32h 30m1 stop
Icelandair Logo
23:20 - 11:45YYZ-LGW
31h 25m1 stop
£394Icelandair
Find Deal
Sun, 19 Apr - Thu, 30 Apr
British Airways Logo
07:50 - 19:00LHR-YYZ
16h 10m2 stops
British Airways Logo
19:04 - 10:25YYZ-LHR
10h 21m1 stop
£395British Airways
Find Deal
Sat, 10 Jan - Mon, 19 Jan
Air Transat Logo
11:40 - 15:00LGW-YYZ
8h 20mdirect
Air Transat Logo
23:15 - 09:50YYZ-LGW
29h 35m1 stop
£396Air Transat
Find Deal
Fri, 20 Feb - Sat, 12 Sep
British Airways Logo
09:10 - 15:55LCY-YYZ
11h 45m1 stop
British Airways Logo
17:25 - 10:45YYZ-LCY
12h 20m1 stop
£396British Airways
Find Deal
Fri, 16 Jan - Fri, 30 Jan
Air Transat Logo
11:35 - 10:17LGW-YTZ
27h 42m1 stop
Air Transat Logo
18:55 - 07:55YTZ-LGW
32h 00m1 stop
£397Air Transat
Find Deal
Sat, 23 May - Sat, 6 Jun
Lufthansa Logo
20:15 - 16:15LHR-YYZ
25h 00m2 stops
Lufthansa Logo
21:30 - 20:35YYZ-LHR
18h 05m1 stop
£398Lufthansa
Find Deal
Sun, 11 Jan - Sun, 18 Jan
Virgin Atlantic Logo
17:50 - 15:40LCY-YYZ
26h 50m1 stop
Virgin Atlantic Logo
06:00 - 09:30YYZ-LCY
22h 30m2 stops
£398Virgin Atlantic
Find Deal
Thu, 15 Jan - Mon, 19 Jan
Virgin Atlantic Logo
07:45 - 17:18LCY-YYZ
14h 33m2 stops
Virgin Atlantic Logo
17:50 - 08:50YYZ-LCY
10h 00m1 stop
£399Virgin Atlantic
Find Deal
Thu, 12 Feb - Sun, 22 Feb
Lufthansa Logo
13:25 - 16:05LHR-YUL
7h 40mdirect
Lufthansa Logo
19:10 - 07:10YUL-LHR
7h 00mdirect
£432Lufthansa
Find Deal
Thu, 22 Jan - Wed, 28 Jan

Air Canada flights from London to Region of Ontario

Our best Air Canada deals on London to Region of Ontario flight tickets
Air Canada
11 May
LHR12:40London Heathrow
14h 04m
2 stops
YYZ21:44Toronto Pearson Intl
26 May
YYZ00:30Toronto Pearson Intl
15h 30m
2 stops
LHR21:00London Heathrow
Air Canada
11 Jan
LHR13:25London Heathrow
13h 10m
1 stop
YTZ21:35Toronto Island
18 Jan
YTZ15:30Toronto Island
10h 40m
1 stop
LHR07:10London Heathrow
Air Canada
25 May
LHR14:05London Heathrow
22h 46m
1 stop
YTZ07:51Toronto Island
31 May
YTZ16:30Toronto Island
12h 30m
1 stop
LHR10:00London Heathrow

American Airlines flights from London to Region of Ontario

Our best American Airlines deals on London to Region of Ontario flight tickets
American Airlines
14 Jan
LHR11:40London Heathrow
8h 10m
YYZ14:50Toronto Pearson Intl
23 Jan
YYZ22:05Toronto Pearson Intl
7h 05m
LHR10:10London Heathrow
American Airlines
20 Apr
LHR13:15London Heathrow
7h 50m
YYZ16:05Toronto Pearson Intl
30 Apr
YYZ22:00Toronto Pearson Intl
7h 15m
LHR10:15London Heathrow
American Airlines
5 Dec
LHR11:40London Heathrow
8h 10m
YYZ14:50Toronto Pearson Intl
8 Jan
YYZ17:40Toronto Pearson Intl
7h 10m
LHR05:50London Heathrow

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 29 November 2025.
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

Mon 11/5

12:40-21:44

2 stops14h 04m

Toronto Pearson Intl

Tue 26/5

00:30-21:00

2 stops15h 30m

£394

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Sun 19/4

15:40-19:10

1 stop32h 30m

Toronto Pearson Intl

Thu 30/4

23:20-11:45

1 stop31h 25m

£394

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Sat 10/1

07:50-19:00

2 stops16h 10m

Toronto Pearson Intl

Mon 19/1

19:04-10:25

1 stop10h 21m

£395

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Fri 20/2

11:40-15:00

Nonstop8h 20m

Toronto Pearson Intl

Sat 12/9

23:15-09:50

1 stop29h 35m

£396

LondonToronto

LCY - YYZ

LCYYYZ

London City

Fri 16/1

09:10-15:55

1 stop11h 45m

Toronto Pearson Intl

Fri 30/1

17:25-10:45

1 stop12h 20m

£396

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Sat 23/5

11:35-10:17

1 stop27h 42m

Toronto Island

Sat 6/6

18:55-07:55

1 stop32h 00m

£397

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Sun 11/1

20:15-16:15

2 stops25h 00m

Toronto Pearson Intl

Sun 18/1

21:30-20:35

1 stop18h 05m

£398

LondonToronto

LCY - YYZ

LCYYYZ

London City

Thu 15/1

17:50-15:40

1 stop26h 50m

Toronto Pearson Intl

Mon 19/1

06:00-09:30

2 stops22h 30m

£398

LondonToronto

LCY - YYZ

LCYYYZ

London City

Thu 12/2

07:45-17:18

2 stops14h 33m

Toronto Pearson Intl

Sun 22/2

17:50-08:50

1 stop10h 00m

£399

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Thu 22/1

13:25-16:05

Nonstop7h 40m

Montreal Pierre Elliott Trudeau Intl

Wed 28/1

19:10-07:10

Nonstop7h 00m

£432

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 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 £370. If you aren’t able to travel to Region of Ontario during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of £375.

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 £505. Flights from London to Region of Ontario on a Monday will generally be more expensive and average around £545. 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 in the evening. Our users have found flights to Region of Ontario in the evening for as low as £492. 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 £461 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 £426 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 3% 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

£372

Fastest flight time

7h 10m

Direct flights

Every day

Airports in Region of Ontario

1 airport
The best one-way flight to Region of Ontario from London in the past 72 hours is £372. The best return flight deal from London to Region of Ontario found on momondo in the last 72 hours is £431.
The fastest flight from London to Region of Ontario takes 7h 10m
Direct flights go from London to Region of Ontario every day.
There is 1 airport near Region of Ontario: Montreal Pierre Elliott Trudeau Intl (YUL)
  • 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 £262Free CancellationRating
7.0
103 reviews
Search PLAY flights
IcelandairPriceFrom £293Free CancellationRating
7.0
582 reviews
Search Icelandair flights
LufthansaPriceFrom £303Free CancellationRating
6.8
7,598 reviews
Search Lufthansa flights
Scandinavian AirlinesPriceFrom £303Free CancellationRating
7.4
1,590 reviews
Search Scandinavian Airlines flights
Air TransatPriceFrom £306Free CancellationRating
7.8
479 reviews
Search Air Transat flights
Air CanadaPriceFrom £309Free CancellationRating
7.1
10,484 reviews
Search Air Canada flights
DeltaPriceFrom £311Free CancellationRating
7.9
8,011 reviews
Search Delta flights
Aer LingusPriceFrom £319Free CancellationRating
7.2
1,384 reviews
Search Aer Lingus flights
TAP AIR PORTUGALPriceFrom £331Free CancellationRating
7.1
2,076 reviews
Search TAP AIR PORTUGAL flights
Virgin AtlanticPriceFrom £335Free CancellationRating
7.5
675 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

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1 adult
Mon 29/12
Mon 5/1

Find better results for your trip to Ontario

Popular Cities in Ontario

Popular flights according to clicks in the last 7 days on momondo