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Cheap flights from London Heathrow Airport to Ontario from £245

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 Heathrow Airport to Ontario departing on 17/9. 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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Find the cheapest flights from London Heathrow Airport to Ontario

Cheap return flights

Scandinavian Airlines Logo
15:35 - 15:40LHR-YYZ
29h 05m2 stops
Scandinavian Airlines Logo
17:10 - 09:20YYZ-LHR
11h 10m1 stop
£360Scandinavian Airlines
Find Deal
Sat, 8 Nov - Fri, 14 Nov
Scandinavian Airlines Logo
19:50 - 15:40LHR-YYZ
24h 50m2 stops
Scandinavian Airlines Logo
17:10 - 14:35YYZ-LHR
16h 25m2 stops
£361Scandinavian Airlines
Find Deal
Tue, 4 Nov - Wed, 12 Nov
TAP AIR PORTUGAL Logo
19:50 - 13:55LHR-YYZ
23h 05m1 stop
TAP AIR PORTUGAL Logo
23:00 - 17:45YYZ-LHR
13h 45m1 stop
£362TAP AIR PORTUGAL
Find Deal
Wed, 8 Oct - Wed, 15 Oct
Air Canada Logo
06:00 - 12:50LHR-YYZ
11h 50m1 stop
Air Canada Logo
20:30 - 08:35YYZ-LHR
7h 05mdirect
£363Air Canada
Find Deal
Fri, 17 Oct - Thu, 23 Oct
Air Canada Logo
06:00 - 13:50LHR-YYZ
12h 50m1 stop
Air Canada Logo
23:35 - 11:50YYZ-LHR
7h 15mdirect
£364Air Canada
Find Deal
Fri, 26 Sep - Fri, 10 Oct
Virgin Atlantic Logo
17:50 - 20:40LHR-YYZ
7h 50mdirect
Virgin Atlantic Logo
22:30 - 10:40YYZ-LHR
7h 10mdirect
£368Virgin Atlantic
Find Deal
Wed, 1 Oct - Sat, 11 Oct
British Airways Logo
11:40 - 14:50LHR-YYZ
8h 10mdirect
British Airways Logo
22:05 - 10:10YYZ-LHR
7h 05mdirect
£369British Airways
Find Deal
Sat, 6 Dec - Sat, 13 Dec
Virgin Atlantic Logo
16:00 - 19:25LHR-YYZ
8h 25mdirect
Virgin Atlantic Logo
22:30 - 10:50YYZ-LHR
7h 20mdirect
£370Virgin Atlantic
Find Deal
Sun, 11 Jan - Mon, 19 Jan
Lufthansa Logo
12:05 - 15:15LHR-YYZ
8h 10mdirect
Lufthansa Logo
23:35 - 11:50YYZ-LHR
7h 15mdirect
£381Lufthansa
Find Deal
Thu, 4 Sep - Wed, 10 Sep
Lufthansa Logo
07:25 - 14:55LHR-YYZ
12h 30m1 stop
Lufthansa Logo
16:00 - 06:30YYZ-LHR
9h 30m1 stop
£382Lufthansa
Find Deal
Wed, 10 Sep - Sat, 20 Sep

Air Canada flights from London Heathrow Airport to Region of Ontario

Our best Air Canada deals on London Heathrow Airport to Region of Ontario flight tickets
Air Canada
28 Aug
LHR06:50London Heathrow
12h 56m
2 stops
YTZ14:46Toronto Island
20 Nov
YTZ12:30Toronto Island
13h 40m
1 stop
LHR07:10London Heathrow
£362
Find similar
Air Canada
17 Oct
LHR06:00London Heathrow
11h 50m
1 stop
YYZ12:50Toronto Pearson Intl
23 Oct
YYZ20:30Toronto Pearson Intl
7h 05m
LHR08:35London Heathrow
£363
Find similar
Air Canada
26 Sept
LHR06:00London Heathrow
12h 50m
1 stop
YYZ13:50Toronto Pearson Intl
10 Oct
YYZ23:35Toronto Pearson Intl
7h 15m
LHR11:50London Heathrow
£364
Find similar

Virgin Atlantic flights from London Heathrow Airport to Region of Ontario

Our best Virgin Atlantic deals on London Heathrow Airport to Region of Ontario flight tickets
Virgin Atlantic
1 Oct
LHR17:50London Heathrow
7h 50m
YYZ20:40Toronto Pearson Intl
11 Oct
YYZ22:30Toronto Pearson Intl
7h 10m
LHR10:40London Heathrow
£368
Find similar
Virgin Atlantic
11 Jan
LHR16:00London Heathrow
8h 25m
YYZ19:25Toronto Pearson Intl
19 Jan
YYZ22:30Toronto Pearson Intl
7h 20m
LHR10:50London Heathrow
£370
Find similar
Virgin Atlantic
22 Sept
LHR17:50London Heathrow
7h 50m
YYZ20:40Toronto Pearson Intl
2 Oct
YYZ22:30Toronto Pearson Intl
7h 10m
LHR10:40London Heathrow
£372
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport 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 22 August 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Sat 8/11

15:35-15:40

2 stops29h 05m

Toronto Pearson Intl

Fri 14/11

17:10-09:20

1 stop11h 10m

£360

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Tue 4/11

19:50-15:40

2 stops24h 50m

Toronto Pearson Intl

Wed 12/11

17:10-14:35

2 stops16h 25m

£361

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Wed 8/10

19:50-13:55

1 stop23h 05m

Toronto Pearson Intl

Wed 15/10

23:00-17:45

1 stop13h 45m

£362

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Fri 17/10

06:00-12:50

1 stop11h 50m

Toronto Pearson Intl

Thu 23/10

20:30-08:35

Nonstop7h 05m

£363

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Fri 26/9

06:00-13:50

1 stop12h 50m

Toronto Pearson Intl

Fri 10/10

23:35-11:50

Nonstop7h 15m

£364

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Wed 1/10

17:50-20:40

Nonstop7h 50m

Toronto Pearson Intl

Sat 11/10

22:30-10:40

Nonstop7h 10m

£368

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Sat 6/12

11:40-14:50

Nonstop8h 10m

Toronto Pearson Intl

Sat 13/12

22:05-10:10

Nonstop7h 05m

£369

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Sun 11/1

16:00-19:25

Nonstop8h 25m

Toronto Pearson Intl

Mon 19/1

22:30-10:50

Nonstop7h 20m

£370

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Thu 4/9

12:05-15:15

Nonstop8h 10m

Toronto Pearson Intl

Wed 10/9

23:35-11:50

Nonstop7h 15m

£381

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Wed 10/9

07:25-14:55

1 stop12h 30m

Toronto Pearson Intl

Sat 20/9

16:00-06:30

1 stop9h 30m

£382

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 Heathrow Airport 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 Heathrow Airport to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £379. 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 £387.

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

The cheapest day to depart from London Heathrow Airport to Region of Ontario is on a Thursday when prices can be found for as low as £494. Flights from London Heathrow Airport to Region of Ontario on a Sunday will generally be more expensive and average around £535. 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 Heathrow Airport 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 £485. In the afternoon is when there is more demand to fly to Region of Ontario, so prices are often more expensive at around £518 per ticket.

What is the cheapest London Heathrow to Ontario flight route?

Fly from London Heathrow to Toronto Pearson Intl for the best London Heathrow - 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 Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around £454 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 Heathrow Airport for as low as £411 on momondo.

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

There are 4 cabin classes available to choose from on London Heathrow 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 Heathrow Airport to Region of Ontario flights?

You could potentially save up to 24% on your flight if you consider stops on a London Heathrow Airport to Region of Ontario flight.

Cheap London Heathrow Airport to Region of Ontario flight deals and tips

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

Best price found

£556

Fastest flight time

7h 10m

Direct flights

Every day

Airports in Region of Ontario

2 airports
The best one-way flight to Region of Ontario from London Heathrow Airport in the past 72 hours is £556. The best return flight deal from London Heathrow Airport to Region of Ontario found on momondo in the last 72 hours is £421.
The fastest flight from London Heathrow Airport to Region of Ontario takes 7h 10m
Direct flights go from London Heathrow Airport to Region of Ontario every day.
There are 2 airports near Region of Ontario: Ottawa (YOW), Montreal Pierre Elliott Trudeau Intl (YUL)
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  • When did momondo last update prices for flights from London Heathrow Airport to Ontario?

    Prices for flights from London Heathrow Airport to Ontario refresh daily.

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

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

    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 from London Heathrow Airport to Ontario.

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

    The travel and health documents you'll need for your trip to Ontario may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from London Heathrow Airport to Region of Ontario?

Best airlines flying from London Heathrow Airport to Region of Ontario

Compare and see reviews for airlines that fly from London Heathrow Airport to Region of Ontario with momondo
Airline
Rating
Free Cancellation
Price
PLAYPriceFrom £282Free CancellationRating
7.0
103 reviews
Search PLAY flights
Aer LingusPriceFrom £291Free CancellationRating
7.1
1,228 reviews
Search Aer Lingus flights
LufthansaPriceFrom £299Free CancellationRating
6.8
7,350 reviews
Search Lufthansa flights
Scandinavian AirlinesPriceFrom £299Free CancellationRating
7.4
1,471 reviews
Search Scandinavian Airlines flights
DeltaPriceFrom £306Free CancellationRating
8.0
7,984 reviews
Search Delta flights
TAP AIR PORTUGALPriceFrom £308Free CancellationRating
7.1
1,959 reviews
Search TAP AIR PORTUGAL flights
Air TransatPriceFrom £310Free CancellationRating
7.7
429 reviews
Search Air Transat flights
Air CanadaPriceFrom £313Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
IcelandairPriceFrom £319Free CancellationRating
7.0
529 reviews
Search Icelandair flights
Virgin AtlanticPriceFrom £328Free CancellationRating
7.4
658 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. All flights to Ontario from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential London to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of London to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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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