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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 17/3. 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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Find the cheapest flights from London Heathrow Airport to Ontario

Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
09:00 - 16:05
LHR
-
YYZ
12h 05m1 stop
Air Canada Logo
23:00 - 11:20
YYZ
-
LHR
7h 20mdirect
£396Air Canada
Tue, 20 Jan - Sat, 31 Jan
Air Canada Logo
09:00 - 16:25
LHR
-
YYZ
12h 25m1 stop
Air Canada Logo
18:10 - 06:30
YYZ
-
LHR
7h 20mdirect
£396Air Canada
Wed, 14 Jan - Sat, 31 Jan
Air Canada Logo
09:00 - 16:05
LHR
-
YYZ
12h 05m1 stop
Air Canada Logo
18:10 - 06:30
YYZ
-
LHR
7h 20mdirect
£397Air Canada
Tue, 20 Jan - Wed, 25 Feb
Icelandair Logo
12:15 - 18:15
LHR
-
YYZ
11h 00m1 stop
Icelandair Logo
19:40 - 10:50
YYZ
-
LHR
10h 10m1 stop
£401Icelandair
Tue, 13 Jan - Sat, 24 Jan
Lufthansa Logo
13:30 - 19:45
LHR
-
YYZ
11h 15m1 stop
Lufthansa Logo
18:10 - 06:30
YYZ
-
LHR
7h 20mdirect
£402Lufthansa
Sat, 24 Jan - Thu, 26 Feb
Icelandair Logo
20:35 - 18:15
LHR
-
YYZ
26h 40m1 stop
Icelandair Logo
19:40 - 10:50
YYZ
-
LHR
10h 10m1 stop
£402Icelandair
Sun, 25 Jan - Sat, 31 Jan
Lufthansa Logo
07:40 - 18:23
LHR
-
YUL
15h 43m2 stops
Lufthansa Logo
15:10 - 08:30
YUL
-
LHR
12h 20m1 stop
£442Lufthansa
Sat, 17 Jan - Sat, 24 Jan
American Airlines Logo
18:05 - 20:15
LHR
-
YUL
7h 10mdirect
American Airlines Logo
22:00 - 09:40
YUL
-
LHR
6h 40mdirect
£443American Airlines
Sun, 5 Apr - Thu, 23 Apr
United Airlines Logo
06:50 - 17:02
LHR
-
YUL
14h 12m2 stops
United Airlines Logo
15:41 - 10:40
YUL
-
LHR
13h 59m2 stops
£445United Airlines
Fri, 13 Mar - Sat, 4 Apr
United Airlines Logo
07:30 - 18:52
LHR
-
YOW
16h 22m2 stops
United Airlines Logo
15:10 - 10:50
YOW
-
LHR
14h 40m2 stops
£491United Airlines
Sat, 17 Jan - Sat, 24 Jan

Scandinavian Airlines flights from London Heathrow Airport to Region of Ontario

Our best Scandinavian Airlines deals on London Heathrow Airport to Region of Ontario flight tickets
Scandinavian Airlines
27 Apr
LHR07:05London Heathrow
37h 35m
2 stops
YYZ15:40Toronto Pearson Intl
21 May
YYZ17:10Toronto Pearson Intl
35h 25m
2 stops
LHR09:35London Heathrow
£417
Find similar
Scandinavian Airlines
11 Apr
LHR15:35London Heathrow
29h 05m
2 stops
YYZ15:40Toronto Pearson Intl
18 Apr
YYZ17:10Toronto Pearson Intl
35h 25m
2 stops
LHR09:35London Heathrow
£418
Find similar
Scandinavian Airlines
30 Apr
LHR07:05London Heathrow
13h 35m
2 stops
YYZ15:40Toronto Pearson Intl
4 Jun
YYZ17:10Toronto Pearson Intl
18h 15m
2 stops
LHR16:25London Heathrow
£430
Find similar

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
21 Jan
LHR09:00London Heathrow
12h 25m
1 stop
YYZ16:25Toronto Pearson Intl
28 Jan
YYZ18:10Toronto Pearson Intl
7h 20m
LHR06:30London Heathrow
£396
Find similar
Air Canada
14 Jan
LHR09:00London Heathrow
12h 25m
1 stop
YYZ16:25Toronto Pearson Intl
31 Jan
YYZ18:10Toronto Pearson Intl
7h 20m
LHR06:30London Heathrow
£396
Find similar
Air Canada
20 Jan
LHR09:00London Heathrow
12h 05m
1 stop
YYZ16:05Toronto Pearson Intl
25 Feb
YYZ18:10Toronto Pearson Intl
7h 20m
LHR06:30London Heathrow
£397
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 5 December 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

Tue 20/1

09:00-16:05

1 stop12h 05m

Toronto Pearson Intl

Sat 31/1

23:00-11:20

Nonstop7h 20m

£396

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Wed 14/1

09:00-16:25

1 stop12h 25m

Toronto Pearson Intl

Sat 31/1

18:10-06:30

Nonstop7h 20m

£396

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Tue 20/1

09:00-16:05

1 stop12h 05m

Toronto Pearson Intl

Wed 25/2

18:10-06:30

Nonstop7h 20m

£397

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Tue 13/1

12:15-18:15

1 stop11h 00m

Toronto Pearson Intl

Sat 24/1

19:40-10:50

1 stop10h 10m

£401

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Sat 24/1

13:30-19:45

1 stop11h 15m

Toronto Pearson Intl

Thu 26/2

18:10-06:30

Nonstop7h 20m

£402

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Sun 25/1

20:35-18:15

1 stop26h 40m

Toronto Pearson Intl

Sat 31/1

19:40-10:50

1 stop10h 10m

£402

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Sat 17/1

07:40-18:23

2 stops15h 43m

Montreal Pierre Elliott Trudeau Intl

Sat 24/1

15:10-08:30

1 stop12h 20m

£442

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Sun 5/4

18:05-20:15

Nonstop7h 10m

Montreal Pierre Elliott Trudeau Intl

Thu 23/4

22:00-09:40

Nonstop6h 40m

£443

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Fri 13/3

06:50-17:02

2 stops14h 12m

Montreal Pierre Elliott Trudeau Intl

Sat 4/4

15:41-10:40

2 stops13h 59m

£445

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Sat 17/1

07:30-18:52

2 stops16h 22m

Ottawa

Sat 24/1

15:10-10:50

2 stops14h 40m

£491

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 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 £384. 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 £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 £500. Flights from London Heathrow Airport to Region of Ontario on a Monday will generally be more expensive and average around £541. 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 £488. 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 £457 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 £423 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 6% 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

£435

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 £435. The best return flight deal from London Heathrow Airport to Region of Ontario found on momondo in the last 72 hours is £466.
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)
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 £301Free CancellationRating
6.8
7,615 reviews
Search Lufthansa flights
Scandinavian AirlinesPriceFrom £301Free CancellationRating
7.4
1,592 reviews
Search Scandinavian Airlines flights
DeltaPriceFrom £308Free CancellationRating
7.9
8,011 reviews
Search Delta flights
Air TransatPriceFrom £312Free CancellationRating
7.8
480 reviews
Search Air Transat flights
Air CanadaPriceFrom £313Free CancellationRating
7.1
10,502 reviews
Search Air Canada flights
Aer LingusPriceFrom £316Free CancellationRating
7.2
1,385 reviews
Search Aer Lingus flights
IcelandairPriceFrom £321Free CancellationRating
7.0
586 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom £329Free CancellationRating
7.1
2,081 reviews
Search TAP AIR PORTUGAL flights
Virgin AtlanticPriceFrom £332Free CancellationRating
7.5
675 reviews
Search Virgin Atlantic flights
KLMPriceFrom £338Free CancellationRating
7.7
1,432 reviews
Search KLM 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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