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Cheap flights from London Heathrow Airport to Ontario from £205

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 11/3. 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.
Multiple Airlines Logo
06:00 - 13:50
LHR
-
YYZ
12h 50m
1 stop
Multiple Airlines Logo
21:25 - 13:00
YYZ
-
LHR
11h 35m
1 stop
£329Multiple Airlines
Tue, 17 Feb - Tue, 10 Mar
Air Canada Logo
11:10 - 14:20
LHR
-
YYZ
8h 10mdirect
Air Canada Logo
20:25 - 08:30
YYZ
-
LHR
7h 05mdirect
£330Air Canada
Tue, 10 Feb - Mon, 16 Feb
Lufthansa Logo
09:00 - 14:55
LHR
-
YYZ
10h 55m
1 stop
Lufthansa Logo
17:30 - 09:20
YYZ
-
LHR
10h 50m
1 stop
£331Lufthansa
Sat, 21 Feb - Wed, 25 Feb
Icelandair Logo
12:15 - 18:15
LHR
-
YYZ
11h 00m
1 stop
Icelandair Logo
23:10 - 20:20
YYZ
-
LHR
16h 10m
1 stop
£332Icelandair
Fri, 6 Mar - Wed, 6 May
Icelandair Logo
20:35 - 18:15
LHR
-
YYZ
26h 40m
1 stop
Icelandair Logo
20:45 - 20:20
YYZ
-
LHR
18h 35m
1 stop
£332Icelandair
Fri, 6 Mar - Tue, 5 May
Multiple Airlines Logo
08:40 - 16:15
LHR
-
YYZ
12h 35m
1 stop
Multiple Airlines Logo
16:05 - 08:35
YYZ
-
LHR
11h 30m
1 stop
£333Multiple Airlines
Wed, 6 May - Wed, 13 May
Lufthansa Logo
07:25 - 14:25
LHR
-
YYZ
12h 00m
1 stop
Lufthansa Logo
20:15 - 08:35
YYZ
-
LHR
7h 20mdirect
£335Lufthansa
Tue, 21 Apr - Tue, 5 May
Virgin Atlantic Logo
19:20 - 16:10
LHR
-
YOW
24h 50m
1 stop
Virgin Atlantic Logo
17:10 - 07:55
YOW
-
LHR
9h 45m
1 stop
£419Virgin Atlantic
Sat, 14 Mar - Sun, 5 Apr
KLM Logo
16:00 - 00:39
LHR
-
YOW
13h 39m
1 stop
KLM Logo
17:20 - 13:50
YOW
-
LHR
15h 30m
2 stops
£422KLM
Sun, 15 Feb - Tue, 24 Feb
KLM Logo
16:50 - 00:39
LHR
-
YOW
12h 49m
1 stop
KLM Logo
18:20 - 13:50
YOW
-
LHR
15h 30m
2 stops
£422KLM
Mon, 16 Feb - Tue, 17 Mar

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
6 Mar
LHR12:15London Heathrow
11h 00m
1 stop
YYZ18:15Toronto Pearson Intl
6 May
YYZ23:10Toronto Pearson Intl
16h 10m
1 stop
LHR20:20London Heathrow
£332
Icelandair
3 May
LHR13:05London Heathrow
11h 05m
1 stop
YYZ19:10Toronto Pearson Intl
12 May
YYZ20:45Toronto Pearson Intl
18h 35m
1 stop
LHR20:20London Heathrow
£334
Icelandair
27 Apr
LHR13:05London Heathrow
11h 05m
1 stop
YYZ19:10Toronto Pearson Intl
19 May
YYZ20:45Toronto Pearson Intl
10h 10m
1 stop
LHR11:55London Heathrow
£338

Delta flights from London Heathrow Airport to Region of Ontario

Our best Delta deals on London Heathrow Airport to Region of Ontario flight tickets
Delta
7 Feb
LHR06:30London Heathrow
17h 45m
1 stop
YYZ19:15Toronto Pearson Intl
18 Feb
YYZ21:15Toronto Pearson Intl
7h 20m
LHR09:35London Heathrow
£350
Delta
6 Mar
LHR14:45London Heathrow
11h 00m
1 stop
YYZ20:45Toronto Pearson Intl
18 May
YYZ23:05Toronto Pearson Intl
7h 05m
LHR11:10London Heathrow
£352
Delta
6 May
LHR08:40London Heathrow
16h 15m
1 stop
YYZ19:55Toronto Pearson Intl
9 May
YYZ23:05Toronto Pearson Intl
7h 05m
LHR11:10London Heathrow
£361

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 21 January 2026.
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 17/2

06:00-13:50

1 stop12h 50m

Toronto Pearson Intl

Tue 10/3

21:25-13:00

1 stop11h 35m

£329

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Tue 10/2

11:10-14:20

Nonstop8h 10m

Toronto Pearson Intl

Mon 16/2

20:25-08:30

Nonstop7h 05m

£330

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Sat 21/2

09:00-14:55

1 stop10h 55m

Toronto Pearson Intl

Wed 25/2

17:30-09:20

1 stop10h 50m

£331

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Fri 6/3

12:15-18:15

1 stop11h 00m

Toronto Pearson Intl

Wed 6/5

23:10-20:20

1 stop16h 10m

£332

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Fri 6/3

20:35-18:15

1 stop26h 40m

Toronto Pearson Intl

Tue 5/5

20:45-20:20

1 stop18h 35m

£332

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Wed 6/5

08:40-16:15

1 stop12h 35m

Toronto Pearson Intl

Wed 13/5

16:05-08:35

1 stop11h 30m

£333

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Tue 21/4

07:25-14:25

1 stop12h 00m

Toronto Pearson Intl

Tue 5/5

20:15-08:35

Nonstop7h 20m

£335

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Sat 14/3

19:20-16:10

1 stop24h 50m

Ottawa

Sun 5/4

17:10-07:55

1 stop9h 45m

£419

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Sun 15/2

16:00-00:39

1 stop13h 39m

Ottawa

Tue 24/2

17:20-13:50

2 stops15h 30m

£422

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Mon 16/2

16:50-00:39

1 stop12h 49m

Ottawa

Tue 17/3

18:20-13:50

2 stops15h 30m

£422

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 £378. 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 £383.

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 £499. Flights from London Heathrow Airport to Region of Ontario on a Monday will generally be more expensive and average around £536. 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 at midday. Our users have found flights to Region of Ontario at midday for as low as £490. 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 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 £451 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 £409 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?

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Region of Ontario.

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

£380

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 Heathrow Airport in the past 72 hours is £380. The best return flight deal from London Heathrow Airport to Region of Ontario found on momondo in the last 72 hours is £369.
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 123 airports in Region of Ontario. From London Heathrow Airport there are direct flights to 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
SWISSPriceFrom £271Free CancellationRating
7.5
1,855 reviews
Search SWISS flights
Scandinavian AirlinesPriceFrom £285Free CancellationRating
7.3
1,660 reviews
Search Scandinavian Airlines flights
DeltaPriceFrom £306Free CancellationRating
7.9
8,086 reviews
Search Delta flights
Air TransatPriceFrom £309Free CancellationRating
7.7
499 reviews
Search Air Transat flights
TAP AIR PORTUGALPriceFrom £310Free CancellationRating
7.1
2,123 reviews
Search TAP AIR PORTUGAL flights
Air CanadaPriceFrom £311Free CancellationRating
7.1
10,644 reviews
Search Air Canada flights
Aer LingusPriceFrom £314Free CancellationRating
7.2
1,437 reviews
Search Aer Lingus flights
LufthansaPriceFrom £315Free CancellationRating
6.8
7,736 reviews
Search Lufthansa flights
IcelandairPriceFrom £321Free CancellationRating
7.1
602 reviews
Search Icelandair flights
Virgin AtlanticPriceFrom £333Free 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. 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

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Find better results for your trip to Ontario

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