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Cheap flights from London Heathrow Airport to Ontario from £251

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 13/3. 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
18:00 - 21:10
LHR
-
YYZ
8h 10mdirect
Air Canada Logo
18:10 - 06:30
YYZ
-
LHR
7h 20mdirect
£342Air Canada
Sun, 18 Jan - Thu, 26 Feb
Air Canada Logo
12:00 - 21:28
LHR
-
YTZ
14h 28m1 stop
Air Canada Logo
10:30 - 07:10
YTZ
-
LHR
15h 40m1 stop
£342Air Canada
Fri, 16 Jan - Mon, 19 Jan
Air Canada Logo
13:25 - 19:55
LHR
-
YTZ
11h 30m1 stop
Air Canada Logo
18:45 - 09:20
YTZ
-
LHR
9h 35m1 stop
£343Air Canada
Thu, 29 Jan - Fri, 6 Feb
Lufthansa Logo
13:00 - 16:00
LHR
-
YYZ
8h 00mdirect
Lufthansa Logo
17:30 - 09:20
YYZ
-
LHR
10h 50m1 stop
£344Lufthansa
Sat, 31 Jan - Wed, 25 Feb
Air Canada Logo
12:00 - 18:13
LHR
-
YTZ
11h 13m1 stop
Air Canada Logo
18:30 - 09:20
YTZ
-
LHR
9h 50m1 stop
£344Air Canada
Fri, 30 Jan - Sun, 22 Feb
Lufthansa Logo
18:00 - 21:10
LHR
-
YYZ
8h 10mdirect
Lufthansa Logo
18:10 - 06:30
YYZ
-
LHR
7h 20mdirect
£345Lufthansa
Sun, 25 Jan - Sun, 1 Mar
Icelandair Logo
12:15 - 19:15
LHR
-
YYZ
11h 00m1 stop
Icelandair Logo
23:20 - 20:20
YYZ
-
LHR
16h 00m1 stop
£350Icelandair
Wed, 18 Mar - Sat, 25 Apr
Delta Logo
08:55 - 15:00
LHR
-
YUL
11h 05m1 stop
Delta Logo
19:00 - 13:45
YUL
-
LHR
13h 45m1 stop
£401Delta
Tue, 7 Apr - Tue, 28 Apr
United Airlines Logo
07:25 - 23:05
LHR
-
YQT
20h 40m2 stops
United Airlines Logo
05:00 - 10:25
YQT
-
LHR
24h 25m2 stops
£571United Airlines
Wed, 4 Feb - Sun, 8 Feb
United Airlines Logo
07:25 - 23:05
LHR
-
YQT
20h 40m2 stops
United Airlines Logo
05:00 - 07:55
YQT
-
LHR
21h 55m2 stops
£572United Airlines
Wed, 4 Feb - Sun, 8 Feb

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
18 Mar
LHR12:15London Heathrow
11h 00m
1 stop
YYZ19:15Toronto Pearson Intl
25 Apr
YYZ23:20Toronto Pearson Intl
16h 00m
1 stop
LHR20:20London Heathrow
£350
Find similar
Icelandair
20 Jan
LHR20:35London Heathrow
26h 40m
1 stop
YYZ18:15Toronto Pearson Intl
26 Feb
YYZ19:40Toronto Pearson Intl
18h 50m
1 stop
LHR19:30London Heathrow
£351
Find similar
Icelandair
14 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
£356
Find similar

Lufthansa flights from London Heathrow Airport to Region of Ontario

Our best Lufthansa deals on London Heathrow Airport to Region of Ontario flight tickets
Lufthansa
31 Jan
LHR13:00London Heathrow
8h 00m
YYZ16:00Toronto Pearson Intl
25 Feb
YYZ17:30Toronto Pearson Intl
10h 50m
1 stop
LHR09:20London Heathrow
£344
Find similar
Lufthansa
13 Jan
LHR07:40London Heathrow
12h 10m
1 stop
YYZ14:50Toronto Pearson Intl
30 Jan
YYZ20:25Toronto Pearson Intl
7h 05m
LHR08:30London Heathrow
£344
Find similar
Lufthansa
25 Jan
LHR18:00London Heathrow
8h 10m
YYZ21:10Toronto Pearson Intl
1 Feb
YYZ23:00Toronto Pearson Intl
7h 20m
LHR11:20London Heathrow
£345
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 7 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

Sun 18/1

18:00-21:10

Nonstop8h 10m

Toronto Pearson Intl

Thu 26/2

18:10-06:30

Nonstop7h 20m

£342

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Fri 16/1

12:00-21:28

1 stop14h 28m

Toronto Island

Mon 19/1

10:30-07:10

1 stop15h 40m

£342

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Thu 29/1

13:25-19:55

1 stop11h 30m

Toronto Island

Fri 6/2

18:45-09:20

1 stop9h 35m

£343

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Sat 31/1

13:00-16:00

Nonstop8h 00m

Toronto Pearson Intl

Wed 25/2

17:30-09:20

1 stop10h 50m

£344

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Fri 30/1

12:00-18:13

1 stop11h 13m

Toronto Island

Sun 22/2

18:30-09:20

1 stop9h 50m

£344

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Sun 25/1

18:00-21:10

Nonstop8h 10m

Toronto Pearson Intl

Sun 1/3

18:10-06:30

Nonstop7h 20m

£345

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Wed 18/3

12:15-19:15

1 stop11h 00m

Toronto Pearson Intl

Sat 25/4

23:20-20:20

1 stop16h 00m

£350

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Tue 7/4

08:55-15:00

1 stop11h 05m

Montreal Pierre Elliott Trudeau Intl

Tue 28/4

19:00-13:45

1 stop13h 45m

£401

LondonThunder Bay

LHR - YQT

LHRYQT

London Heathrow

Wed 4/2

07:25-23:05

2 stops20h 40m

Thunder Bay

Sun 8/2

05:00-10:25

2 stops24h 25m

£571

LondonThunder Bay

LHR - YQT

LHRYQT

London Heathrow

Wed 4/2

07:25-23:05

2 stops20h 40m

Thunder Bay

Sun 8/2

05:00-07:55

2 stops21h 55m

£572

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 £377. 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 £380.

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 Monday will generally be more expensive and average around £533. 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 £485. In the afternoon is when there is more demand to fly to Region of Ontario, so prices are often more expensive at around £532 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 £448 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 £407 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

£374

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 £374. The best return flight deal from London Heathrow Airport to Region of Ontario found on momondo in the last 72 hours is £410.
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
Scandinavian AirlinesPriceFrom £297Free CancellationRating
7.3
1,634 reviews
Search Scandinavian Airlines flights
DeltaPriceFrom £304Free CancellationRating
7.9
8,021 reviews
Search Delta flights
Air TransatPriceFrom £308Free CancellationRating
7.7
491 reviews
Search Air Transat flights
Air CanadaPriceFrom £309Free CancellationRating
7.1
10,600 reviews
Search Air Canada flights
Aer LingusPriceFrom £312Free CancellationRating
7.2
1,425 reviews
Search Aer Lingus flights
LufthansaPriceFrom £312Free CancellationRating
6.8
7,690 reviews
Search Lufthansa flights
IcelandairPriceFrom £320Free CancellationRating
7.1
593 reviews
Search Icelandair flights
Virgin AtlanticPriceFrom £327Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
TAP AIR PORTUGALPriceFrom £329Free CancellationRating
7.1
2,109 reviews
Search TAP AIR PORTUGAL flights
United AirlinesPriceFrom £333Free CancellationRating
7.4
9,138 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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Find better results for your trip to Ontario

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