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Cheap flights from London Heathrow Airport to Ontario from C$ 456

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

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Find the cheapest flights from London Heathrow Airport to Ontario

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
9:00 a.m. - 4:25 p.m.
LHR
-
YYZ
12h 25m1 stop
Air Canada Logo
6:10 p.m. - 6:30 a.m.
YYZ
-
LHR
7h 20mdirect
C$ 737Air Canada
mié., 21 ene. - mié., 28 ene.
Air Canada Logo
9:00 a.m. - 4:25 p.m.
LHR
-
YYZ
12h 25m1 stop
Air Canada Logo
11:50 p.m. - 11:50 a.m.
YYZ
-
LHR
7h 00mdirect
C$ 738Air Canada
vie., 6 feb. - dom., 13 sep.
Air Canada Logo
9:00 a.m. - 4:05 p.m.
LHR
-
YYZ
12h 05m1 stop
Air Canada Logo
9:10 p.m. - 9:20 a.m.
YYZ
-
LHR
7h 10mdirect
C$ 740Air Canada
mar., 20 ene. - lun., 23 feb.
Air Canada Logo
7:25 p.m. - 5:55 p.m.
LHR
-
YTZ
27h 30m2 stops
Air Canada Logo
12:30 p.m. - 9:20 a.m.
YTZ
-
LHR
15h 50m1 stop
C$ 740Air Canada
mar., 17 feb. - vie., 20 feb.
Icelandair Logo
12:15 p.m. - 6:15 p.m.
LHR
-
YYZ
11h 00m1 stop
Icelandair Logo
7:40 p.m. - 7:30 p.m.
YYZ
-
LHR
18h 50m1 stop
C$ 745Icelandair
dom., 18 ene. - mié., 21 ene.
Icelandair Logo
12:15 p.m. - 6:15 p.m.
LHR
-
YYZ
11h 00m1 stop
Icelandair Logo
7:40 p.m. - 10:50 a.m.
YYZ
-
LHR
10h 10m1 stop
C$ 747Icelandair
vie., 16 ene. - jue., 22 ene.
Lufthansa Logo
1:30 p.m. - 7:45 p.m.
LHR
-
YYZ
11h 15m1 stop
Lufthansa Logo
6:10 p.m. - 6:30 a.m.
YYZ
-
LHR
7h 20mdirect
C$ 748Lufthansa
sáb., 24 ene. - jue., 26 feb.
Lufthansa Logo
7:40 a.m. - 6:23 p.m.
LHR
-
YUL
15h 43m2 stops
Lufthansa Logo
3:10 p.m. - 8:30 a.m.
YUL
-
LHR
12h 20m1 stop
C$ 823Lufthansa
sáb., 17 ene. - sáb., 24 ene.
American Airlines Logo
6:05 p.m. - 8:15 p.m.
LHR
-
YUL
7h 10mdirect
American Airlines Logo
10:00 p.m. - 9:40 a.m.
YUL
-
LHR
6h 40mdirect
C$ 825American Airlines
dom., 5 abr. - jue., 23 abr.
United Airlines Logo
6:50 a.m. - 5:02 p.m.
LHR
-
YUL
14h 12m2 stops
United Airlines Logo
3:41 p.m. - 10:40 a.m.
YUL
-
LHR
13h 59m2 stops
C$ 829United Airlines
vie., 13 mar. - sáb., 4 abr.

British Airways flights from London Heathrow Airport to Region of Ontario

Our best British Airways deals on London Heathrow Airport to Region of Ontario flight tickets
British Airways
14 Dec
LHR10:00 a.m.London Heathrow
16h 58m
2 stops
YYZ9:58 p.m.Toronto Pearson Intl
23 Jan
YYZ10:05 p.m.Toronto Pearson Intl
7h 05m
LHR10:10 a.m.London Heathrow
C$ 742
Find similar
British Airways
8 Jan
LHR8:45 p.m.London Heathrow
24h 10m
1 stop
YYZ3:55 p.m.Toronto Pearson Intl
26 Jan
YYZ4:44 p.m.Toronto Pearson Intl
10h 51m
1 stop
LHR8:35 a.m.London Heathrow
C$ 754
Find similar
British Airways
14 Dec
LHR10:00 a.m.London Heathrow
16h 58m
2 stops
YYZ9:58 p.m.Toronto Pearson Intl
24 Jan
YYZ7:04 p.m.Toronto Pearson Intl
11h 31m
1 stop
LHR11:35 a.m.London Heathrow
C$ 755
Find similar

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
10 Dec
LHR6:30 a.m.London Heathrow
14h 10m
1 stop
YYZ3:40 p.m.Toronto Pearson Intl
20 Jun
YYZ10:10 p.m.Toronto Pearson Intl
10h 40m
1 stop
LHR1:50 p.m.London Heathrow
C$ 759
Find similar
Delta
2 Feb
LHR2:45 p.m.London Heathrow
10h 55m
1 stop
YYZ8:40 p.m.Toronto Pearson Intl
9 Sep
YYZ10:40 p.m.Toronto Pearson Intl
7h 10m
LHR10:50 a.m.London Heathrow
C$ 800
Find similar

momondo Fare Finder

 
Customize 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 96,600 searches. Data last updated 4 diciembre 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

mié. 21/1

9:00 a.m.-4:25 p.m.

1 stop12h 25m

Toronto Pearson Intl

mié. 28/1

6:10 p.m.-6:30 a.m.

Nonstop7h 20m

C$ 737

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

vie. 6/2

9:00 a.m.-4:25 p.m.

1 stop12h 25m

Toronto Pearson Intl

dom. 13/9

11:50 p.m.-11:50 a.m.

Nonstop7h 00m

C$ 738

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

mar. 20/1

9:00 a.m.-4:05 p.m.

1 stop12h 05m

Toronto Pearson Intl

lun. 23/2

9:10 p.m.-9:20 a.m.

Nonstop7h 10m

C$ 740

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

mar. 17/2

7:25 p.m.-5:55 p.m.

2 stops27h 30m

Toronto Island

vie. 20/2

12:30 p.m.-9:20 a.m.

1 stop15h 50m

C$ 740

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

dom. 18/1

12:15 p.m.-6:15 p.m.

1 stop11h 00m

Toronto Pearson Intl

mié. 21/1

7:40 p.m.-7:30 p.m.

1 stop18h 50m

C$ 745

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

vie. 16/1

12:15 p.m.-6:15 p.m.

1 stop11h 00m

Toronto Pearson Intl

jue. 22/1

7:40 p.m.-10:50 a.m.

1 stop10h 10m

C$ 747

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

sáb. 24/1

1:30 p.m.-7:45 p.m.

1 stop11h 15m

Toronto Pearson Intl

jue. 26/2

6:10 p.m.-6:30 a.m.

Nonstop7h 20m

C$ 748

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

sáb. 17/1

7:40 a.m.-6:23 p.m.

2 stops15h 43m

Montreal Pierre Elliott Trudeau Intl

sáb. 24/1

3:10 p.m.-8:30 a.m.

1 stop12h 20m

C$ 823

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

dom. 5/4

6:05 p.m.-8:15 p.m.

Nonstop7h 10m

Montreal Pierre Elliott Trudeau Intl

jue. 23/4

10:00 p.m.-9:40 a.m.

Nonstop6h 40m

C$ 825

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

vie. 13/3

6:50 a.m.-5:02 p.m.

2 stops14h 12m

Montreal Pierre Elliott Trudeau Intl

sáb. 4/4

3:41 p.m.-10:40 a.m.

2 stops13h 59m

C$ 829

Flights are sorted by cheapest round-trip 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 C$ 715. If you are unable to visit Region of Ontario during the month of February, then departing from London Heathrow Airport during the month September is also very affordable. Most momondo users find prices during this month for around C$ 721.

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 Friday. Travellers who choose to depart for Region of Ontario on a Friday will often find tickets for as low as C$ 831. The most expensive day to fly to Region of Ontario is Saturday, with ticket prices averaging around C$ 951.

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

Our most recent data shows that the best time of day to fly to Region of Ontario is in the morning. Flights from London Heathrow Airport to Region of Ontario during this time can be as low as C$ 858. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are C$ 962 on average. Flights to Region of Ontario from London Heathrow Airport in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 C$ 851 when searching weeks out. 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 C$ 787 on momondo.

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

There are 3 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 26% 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

C$ 662

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 C$ 662. The best round-trip flight deal from London Heathrow Airport to Region of Ontario found on momondo in the last 72 hours is C$ 821.
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 are updated 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 required for your trip to Ontario can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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
Aer LingusPriceFrom C$ 444Free CancellationRating
7.2
1,384 reviews
Search Aer Lingus flights
IcelandairPriceFrom C$ 551Free CancellationRating
7.0
584 reviews
Search Icelandair flights
LufthansaPriceFrom C$ 573Free CancellationRating
6.8
7,613 reviews
Search Lufthansa flights
Air TransatPriceFrom C$ 635Free CancellationRating
7.8
480 reviews
Search Air Transat flights
TAP AIR PORTUGALPriceFrom C$ 644Free CancellationRating
7.1
2,081 reviews
Search TAP AIR PORTUGAL flights
British AirwaysPriceFrom C$ 646Free CancellationRating
6.7
7,562 reviews
Search British Airways flights
DeltaPriceFrom C$ 658Free CancellationRating
7.9
8,011 reviews
Search Delta flights
Air CanadaPriceFrom C$ 659Free CancellationRating
7.1
10,500 reviews
Search Air Canada flights
Virgin AtlanticPriceFrom C$ 667Free CancellationRating
7.5
675 reviews
Search Virgin Atlantic flights
United AirlinesPriceFrom C$ 735Free CancellationRating
7.4
9,065 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Ontario?

It is quick and easy to find London to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

Can I find flights from London to Ontario with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for London to Ontario flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from London.

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

If you are not ready to book a flight from London to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.

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