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Cheap flights from London Heathrow Airport to Ontario from £242

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 6/12. 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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Find the cheapest flights from London Heathrow Airport to Ontario

Cheap return flights

Enter your travel dates to find the best prices.
Icelandair Logo
12:15 - 18:15LHR-YYZ
11h 00m1 stop
Icelandair Logo
19:40 - 19:30YYZ-LHR
18h 50m1 stop
£355Icelandair
Find Deal
Fri, 16 Jan - Mon, 19 Jan
TAP AIR PORTUGAL Logo
06:00 - 14:00LHR-YYZ
13h 00m1 stop
TAP AIR PORTUGAL Logo
17:35 - 10:20YYZ-LHR
11h 45m1 stop
£356TAP AIR PORTUGAL
Find Deal
Wed, 22 Apr - Wed, 29 Apr
Lufthansa Logo
09:30 - 16:15LHR-YYZ
11h 45m1 stop
Lufthansa Logo
18:10 - 06:30YYZ-LHR
7h 20mdirect
£370Lufthansa
Find Deal
Thu, 4 Dec - Wed, 10 Dec
Air Canada Logo
15:00 - 11:33LHR-YYZ
25h 33m1 stop
Air Canada Logo
09:00 - 07:10YYZ-LHR
17h 10m1 stop
£371Air Canada
Find Deal
Sat, 22 Nov - Mon, 24 Nov
Air Canada Logo
15:00 - 21:23LHR-YYZ
35h 23m1 stop
Air Canada Logo
18:10 - 06:30YYZ-LHR
7h 20mdirect
£373Air Canada
Find Deal
Sat, 22 Nov - Mon, 24 Nov
Lufthansa Logo
07:30 - 16:15LHR-YYZ
13h 45m1 stop
Lufthansa Logo
17:00 - 07:10YYZ-LHR
9h 10m1 stop
£383Lufthansa
Find Deal
Mon, 17 Nov - Mon, 8 Dec
Air France Logo
06:20 - 15:10LHR-YOW
13h 50m1 stop
Air France Logo
17:20 - 07:55YOW-LHR
9h 35m1 stop
£461Air France
Find Deal
Thu, 27 Nov - Thu, 4 Dec
Air France Logo
06:20 - 15:10LHR-YOW
13h 50m1 stop
Air France Logo
18:20 - 08:00YOW-LHR
9h 40m1 stop
£467Air France
Find Deal
Thu, 5 Mar - Tue, 10 Mar
Virgin Atlantic Logo
09:00 - 15:10LHR-YOW
11h 10m1 stop
Virgin Atlantic Logo
17:20 - 10:30YOW-LHR
12h 10m1 stop
£479Virgin Atlantic
Find Deal
Wed, 10 Dec - Wed, 24 Dec
Virgin Atlantic Logo
08:55 - 15:10LHR-YOW
11h 15m1 stop
Virgin Atlantic Logo
17:20 - 18:20YOW-LHR
20h 00m1 stop
£499Virgin Atlantic
Find Deal
Tue, 25 Nov - Tue, 2 Dec

Icelandair flights from London Heathrow Airport to Region of Ontario

Our best Icelandair deals on London Heathrow Airport to Region of Ontario flight tickets
Icelandair
16 Jan
LHR12:15London Heathrow
11h 00m
1 stop
YYZ18:15Toronto Pearson Intl
19 Jan
YYZ19:40Toronto Pearson Intl
18h 50m
1 stop
LHR19:30London Heathrow
£355
Find similar
Icelandair
15 Jan
LHR12:15London Heathrow
11h 00m
1 stop
YYZ18:15Toronto Pearson Intl
20 Jan
YYZ19:40Toronto Pearson Intl
10h 10m
1 stop
LHR10:50London Heathrow
£357
Find similar
Icelandair
9 Mar
LHR20:35London Heathrow
26h 40m
1 stop
YYZ19:15Toronto Pearson Intl
23 Mar
YYZ20:40Toronto Pearson Intl
18h 50m
1 stop
LHR19:30London Heathrow
£357
Find similar

TAP AIR PORTUGAL flights from London Heathrow Airport to Region of Ontario

Our best TAP AIR PORTUGAL deals on London Heathrow Airport to Region of Ontario flight tickets
TAP AIR PORTUGAL
22 Apr
LHR06:00London Heathrow
13h 00m
1 stop
YYZ14:00Toronto Pearson Intl
29 Apr
YYZ17:35Toronto Pearson Intl
11h 45m
1 stop
LHR10:20London Heathrow
£356
Find similar
TAP AIR PORTUGAL
27 Feb
LHR12:25London Heathrow
13h 50m
1 stop
YYZ21:15Toronto Pearson Intl
4 Mar
YYZ22:45Toronto Pearson Intl
11h 45m
1 stop
LHR15:30London Heathrow
£374
Find similar
TAP AIR PORTUGAL
29 Apr
LHR06:00London Heathrow
13h 00m
1 stop
YYZ14:00Toronto Pearson Intl
6 May
YYZ17:35Toronto Pearson Intl
11h 45m
1 stop
LHR10:20London Heathrow
£384
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 31 October 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

Fri 16/1

12:15-18:15

1 stop11h 00m

Toronto Pearson Intl

Mon 19/1

19:40-19:30

1 stop18h 50m

£355

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Wed 22/4

06:00-14:00

1 stop13h 00m

Toronto Pearson Intl

Wed 29/4

17:35-10:20

1 stop11h 45m

£356

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Thu 4/12

09:30-16:15

1 stop11h 45m

Toronto Pearson Intl

Wed 10/12

18:10-06:30

Nonstop7h 20m

£370

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Sat 22/11

15:00-11:33

1 stop25h 33m

Toronto Pearson Intl

Mon 24/11

09:00-07:10

1 stop17h 10m

£371

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Sat 22/11

15:00-21:23

1 stop35h 23m

Toronto Pearson Intl

Mon 24/11

18:10-06:30

Nonstop7h 20m

£373

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Mon 17/11

07:30-16:15

1 stop13h 45m

Toronto Pearson Intl

Mon 8/12

17:00-07:10

1 stop9h 10m

£383

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Thu 27/11

06:20-15:10

1 stop13h 50m

Ottawa

Thu 4/12

17:20-07:55

1 stop9h 35m

£461

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Thu 5/3

06:20-15:10

1 stop13h 50m

Ottawa

Tue 10/3

18:20-08:00

1 stop9h 40m

£467

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 10/12

09:00-15:10

1 stop11h 10m

Ottawa

Wed 24/12

17:20-10:30

1 stop12h 10m

£479

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Tue 25/11

08:55-15:10

1 stop11h 15m

Ottawa

Tue 2/12

17:20-18:20

1 stop20h 00m

£499

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 £387. 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 £392.

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 £505. Flights from London Heathrow Airport to Region of Ontario on a Monday will generally be more expensive and average around £548. 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 £494. In the afternoon is when there is more demand to fly to Region of Ontario, so prices are often more expensive at around £535 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 £462 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 £420 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 12% 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

£432

Fastest flight time

7h 10m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sat

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 £432. The best return flight deal from London Heathrow Airport to Region of Ontario found on momondo in the last 72 hours is £436.
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 on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. Airline offering direct flights is Lufthansa..
There are 2 airports near Region of Ontario: Ottawa (YOW), Montreal Pierre Elliott Trudeau Intl (YUL)
Search flight deals

  • 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
LufthansaPriceFrom £305Free CancellationRating
6.8
7,543 reviews
Search Lufthansa flights
Scandinavian AirlinesPriceFrom £305Free CancellationRating
7.4
1,548 reviews
Search Scandinavian Airlines flights
TAP AIR PORTUGALPriceFrom £311Free CancellationRating
7.1
2,041 reviews
Search TAP AIR PORTUGAL flights
DeltaPriceFrom £312Free CancellationRating
7.9
7,997 reviews
Search Delta flights
Air TransatPriceFrom £316Free CancellationRating
7.8
469 reviews
Search Air Transat flights
Air CanadaPriceFrom £317Free CancellationRating
7.1
10,385 reviews
Search Air Canada flights
Aer LingusPriceFrom £319Free CancellationRating
7.2
1,365 reviews
Search Aer Lingus flights
IcelandairPriceFrom £326Free CancellationRating
7.1
562 reviews
Search Icelandair flights
Virgin AtlanticPriceFrom £336Free CancellationRating
7.5
671 reviews
Search Virgin Atlantic flights
United AirlinesPriceFrom £342Free CancellationRating
7.4
8,995 reviews
Search United Airlines 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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