What is the cheapest airline that flies from London Heathrow to Ontario?

British Airways, United Airlines, and KLM are the most popular carriers operating from London Heathrow to Ontario

Which airlines fly to Region of Ontario?

Air Canada, Lufthansa and Virgin Atlantic are the top three most popular airlines that fly to Region of Ontario from London Heathrow Airport according to our data. Air Canada is the first choice among our users, with 74% of people opting to fly with this airline when travelling to Region of Ontario. Keep in mind that there are 15 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

How many operators does momondo search for flights from London Heathrow Airport to Ontario?

There are 16 operators available for flights from London Heathrow Airport to Ontario as of July 2026.

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.

£214 Cheap Flights from London Heathrow Airport to Region of Ontario in 2026

Q: How many flights depart from London Heathrow Airport to Region of Ontario on average per day?

As of July 2026, there are 54 flights per day flying from London Heathrow Airport to Region of Ontario. The most common time of day flights depart is 17:00, with 83% of flights taking off in the afternoon.

Q: How many flights depart from London Heathrow Airport to Region of Ontario on average per week?

As of July 2026, there are 382 flights per week flying from London Heathrow Airport to Region of Ontario. The most common day of the week flights depart is Fri, with 16% of flights taking off on this day.

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Find the cheapest flights from London Heathrow Airport to Ontario

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

06:00 - 13:40

LHR

YYZ

12h 40m

1 stop

20:15 - 08:35

YYZ

LHR

7h 20mdirect

£404Air Canada

Tue, 22 Sep - Fri, 16 Oct

09:30 - 15:50

LHR

YTZ

11h 20m

1 stop

15:35 - 06:30

YTZ

LHR

9h 55m

1 stop

£404Air Canada

Sat, 26 Sep - Thu, 1 Oct

09:30 - 16:20

LHR

YYZ

11h 50m

1 stop

20:15 - 08:35

YYZ

LHR

7h 20mdirect

£404Lufthansa

Wed, 23 Sep - Thu, 8 Oct

14:05 - 16:40

LHR

YUL

7h 35mdirect

13:10 - 11:50

YUL

LHR

17h 40m

1 stop

£404Multiple Airlines

Fri, 28 Aug - Mon, 31 Aug

12:40 - 18:50

LHR

YOW

11h 10m

1 stop

14:35 - 06:30

YOW

LHR

10h 55m

1 stop

£404Air Canada

Fri, 11 Sep - Fri, 18 Sep

11:10 - 18:19

LHR

YTZ

11h 09m

1 stop

16:30 - 07:10

YTZ

LHR

9h 40m

1 stop

£404Air Canada

Sat, 31 Oct - Sun, 8 Nov

08:40 - 15:00

LHR

YUL

11h 20m

1 stop

10:10 - 06:35

YUL

LHR

15h 25m

1 stop

£405Multiple Airlines

Fri, 4 Sep - Fri, 18 Sep

08:30 - 22:10

LHR

YOW

18h 40m

2 stops

14:35 - 06:30

YOW

LHR

10h 55m

1 stop

£407Lufthansa

Fri, 11 Sep - Tue, 15 Sep

14:10 - 17:15

LHR

YHM

32h 05m

1 stop

18:10 - 12:50

YHM

LHR

14h 40m

1 stop

£761WestJet

Wed, 21 Oct - Sun, 25 Oct

14:50 - 17:17

LHR

YHM

30h 27m

1 stop

18:10 - 12:50

YHM

LHR

14h 40m

1 stop

£763WestJet

Sun, 25 Oct - Thu, 29 Oct

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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

23 Sept

LHR09:30London Heathrow

11h 50m

1 stop

YYZ16:20Toronto Pearson Intl

8 Oct

YYZ20:15Toronto Pearson Intl

7h 20m

LHR08:35London Heathrow

£404

Lufthansa

11 Sept

LHR08:30London Heathrow

18h 40m

2 stops

YOW22:10Ottawa

15 Sept

YOW14:35Ottawa

10h 55m

1 stop

LHR06:30London Heathrow

£407

Lufthansa

2 Sept

LHR13:30London Heathrow

10h 55m

1 stop

YUL19:25Montreal Pierre Elliott Trudeau Intl

19 Sept

YUL20:30Montreal Pierre Elliott Trudeau Intl

10h 20m

1 stop

LHR11:50London Heathrow

£407

KLM flights from London Heathrow Airport to Region of Ontario

Our best KLM deals on London Heathrow Airport to Region of Ontario flight tickets

KLM

6 Sept

LHR17:45London Heathrow

7h 50m

YYZ20:35Toronto Pearson Intl

19 Sept

YYZ22:55Toronto Pearson Intl

7h 15m

LHR11:10London Heathrow

£436

KLM

28 Aug

LHR17:50London Heathrow

11h 30m

1 stop

YOW00:20Ottawa

6 Sept

YOW17:10Ottawa

12h 35m

2 stops

LHR10:45London Heathrow

£466

KLM

27 Aug

LHR17:50London Heathrow

11h 30m

1 stop

YOW00:20Ottawa

31 Aug

YOW17:10Ottawa

12h 35m

2 stops

LHR10:45London Heathrow

£468

momondo Fare Finder

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

Cheapest return flight

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Tue 22/9

06:00-13:40

1 stop12h 40m

Toronto Pearson Intl

Fri 16/10

20:15-08:35

Nonstop7h 20m

£404

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Sat 26/9

09:30-15:50

1 stop11h 20m

Toronto Island

Thu 1/10

15:35-06:30

1 stop9h 55m

£404

Fastest return journey

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Wed 23/9

09:30-16:20

1 stop11h 50m

Toronto Pearson Intl

Thu 8/10

20:15-08:35

Nonstop7h 20m

£404

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Fri 28/8

14:05-16:40

Nonstop7h 35m

Montreal Pierre Elliott Trudeau Intl

Mon 31/8

13:10-11:50

1 stop17h 40m

£404

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 11/9

12:40-18:50

1 stop11h 10m

Ottawa

Fri 18/9

14:35-06:30

1 stop10h 55m

£404

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Sat 31/10

11:10-18:19

1 stop11h 09m

Toronto Island

Sun 8/11

16:30-07:10

1 stop9h 40m

£404

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Fri 4/9

08:40-15:00

1 stop11h 20m

Montreal Pierre Elliott Trudeau Intl

Fri 18/9

10:10-06:35

1 stop15h 25m

£405

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 11/9

08:30-22:10

2 stops18h 40m

Ottawa

Tue 15/9

14:35-06:30

1 stop10h 55m

£407

LondonHamilton

LHR - YHM

LHRYHM

London Heathrow

Wed 21/10

14:10-17:15

1 stop32h 05m

Hamilton

Sun 25/10

18:10-12:50

1 stop14h 40m

£761

LondonHamilton

LHR - YHM

LHRYHM

London Heathrow

Sun 25/10

14:50-17:17

1 stop30h 27m

Hamilton

Thu 29/10

18:10-12:50

1 stop14h 40m

£763

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 £412. If you aren’t able to travel to Region of Ontario during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of £423.

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 when prices can be found for as low as £547. Flights from London Heathrow Airport to Region of Ontario on a Monday will generally be more expensive and average around £581. 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 £542. In the afternoon is when there is more demand to fly to Region of Ontario, so prices are often more expensive at around £588 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 from London Heathrow Airport to 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 £499 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 £496 on momondo.

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

There are 4 cabin classes available to choose from on London Heathrow Airport to Region of Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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	£381
Fastest flight time	7h 10m
Direct flights	Every day
Airports in Region of Ontario	125 airports

The best one-way flight to Region of Ontario from London Heathrow Airport in the past 72 hours is £381. The best return flight deal from London Heathrow Airport to Region of Ontario found on momondo in the last 72 hours is £495.

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 125 airports in Region of Ontario. From London Heathrow Airport there are direct flights to Ottawa (YOW), Montreal Pierre Elliott Trudeau Intl (YUL).

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Frequently asked questions about flying from London Heathrow Airport to Ontario

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?
There are 16 operators available for flights from London Heathrow Airport to Ontario as of July 2026.
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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from London Heathrow Airport to Region of Ontario is Airbus A350-1000 (30.95% of total bookings). The next most popular plane models are Airbus A330-200 (16.07%), Airbus A321neo (15.09%), and Boeing 787-10 Dreamliner (6.77%).

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
Icelandair	PriceFrom £313	Free Cancellation	Rating 7.0 713 reviews	Search Icelandair flights
TAP AIR PORTUGAL	PriceFrom £327	Free Cancellation	Rating 7.2 2,340 reviews	Search TAP AIR PORTUGAL flights
Air Transat	PriceFrom £331	Free Cancellation	Rating 7.8 566 reviews	Search Air Transat flights
Delta	PriceFrom £333	Free Cancellation	Rating 7.8 8,476 reviews	Search Delta flights
Virgin Atlantic	PriceFrom £335	Free Cancellation	Rating 7.5 693 reviews	Search Virgin Atlantic flights
Air Canada	PriceFrom £342	Free Cancellation	Rating 7.1 11,361 reviews	Search Air Canada flights
British Airways	PriceFrom £347	Free Cancellation	Rating 6.7 8,124 reviews	Search British Airways flights
American Airlines	PriceFrom £347	Free Cancellation	Rating 7.1 11,831 reviews	Search American Airlines flights
Air France	PriceFrom £355	Free Cancellation	Rating 7.5 1,628 reviews	Search Air France flights
Lufthansa	PriceFrom £365	Free Cancellation	Rating 6.8 8,152 reviews	Search Lufthansa 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.