Which airlines fly to London Heathrow Airport?

Air Canada, British Airways and Virgin Atlantic are the top three most popular airlines that fly to London Heathrow Airport from Region of Ontario 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 London Heathrow Airport. Keep in mind that there are 10 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

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

As of November 2025, 44 flights take off from Region of Ontario and land in London Heathrow Airport each day. The most common flight departure time for this route is 18:00, with 100% of daily flights taking off in the evening.

How long does it take to fly to London Heathrow Airport?

If you’re flying from a popular airport in Region of Ontario, such as Ottawa or Toronto, and flying into London Heathrow Airport, then you can expect flight times to average 6h 25m and 8h 05m, respectively.

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

WestJet, TAP AIR PORTUGAL, and Lufthansa are the most popular carriers operating from Ontario to London Heathrow

When did momondo last update prices for flights from Ontario to London Heathrow Airport?

Prices for flights from Ontario to London Heathrow Airport were last updated today.

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

As of November 2025, there are 10 operators available to choose from for flights from Ontario to London Heathrow Airport.

How old do you have to be to fly from Ontario to London Heathrow Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario to London Heathrow Airport.

What documentation or ID do you need to fly to London Heathrow Airport?

The travel and health documents you'll need for your trip to London Heathrow Airport 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 London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£158 Cheap Flights from Region of Ontario to London Heathrow Airport in 2025/26

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

As of November 2025, 308 flights take off from Region of Ontario and land in London Heathrow Airport each week. The most common flight departure day for this route is Wed, with 18% of weekly flights taking off on this day.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Ontario to London

Round-trip

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

18:10 - 06:30YYZ-LHR

7h 20mdirect

09:00 - 16:05LHR-YYZ

12h 05m1 stop

£420Air Canada

Find Deal

Tue, 3 Feb - Tue, 10 Feb

23:00 - 11:20YYZ-LHR

7h 20mdirect

07:40 - 14:50LHR-YYZ

12h 10m1 stop

£420Multiple Airlines

Find Deal

Sun, 11 Jan - Sat, 17 Jan

06:00 - 09:20YYZ-LHR

22h 20m2 stops

19:50 - 15:40LHR-YYZ

24h 50m2 stops

£423Scandinavian Airlines

Find Deal

Fri, 30 Jan - Thu, 5 Feb

18:10 - 06:30YYZ-LHR

7h 20mdirect

20:05 - 16:05LHR-YYZ

25h 00m1 stop

£423Multiple Airlines

Find Deal

Fri, 16 Jan - Mon, 19 Jan

23:25 - 20:20YYZ-LHR

15h 55m1 stop

13:05 - 19:10LHR-YYZ

11h 05m1 stop

£424Icelandair

Find Deal

Thu, 9 Apr - Thu, 16 Apr

23:00 - 11:20YYZ-LHR

7h 20mdirect

13:00 - 16:00LHR-YYZ

8h 00mdirect

£425Air Canada

Find Deal

Sun, 11 Jan - Sat, 17 Jan

12:05 - 16:25YYZ-LHR

23h 20m3 stops

15:35 - 15:40LHR-YYZ

29h 05m2 stops

£426Scandinavian Airlines

Find Deal

Mon, 23 Feb - Sat, 28 Feb

17:00 - 07:55YUL-LHR

9h 55m1 stop

06:20 - 12:15LHR-YUL

10h 55m1 stop

£455Delta

Find Deal

Tue, 13 Jan - Sun, 25 Jan

19:30 - 07:10YUL-LHR

6h 40mdirect

13:25 - 16:05LHR-YUL

7h 40mdirect

£457Lufthansa

Find Deal

Fri, 16 Jan - Tue, 3 Feb

11:15 - 06:30YQT-LHR

14h 15m1 stop

06:35 - 18:40LHR-YQT

17h 05m2 stops

£511Lufthansa

Find Deal

Tue, 3 Feb - Tue, 3 Mar

Aer Lingus flights from Region of Ontario to London Heathrow Airport

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

Aer Lingus

11 Jan

YYZ17:25Toronto Pearson Intl

10h 40m

1 stop

LHR09:05London Heathrow

8 Feb

LHR09:50London Heathrow

11h 05m

1 stop

YYZ15:55Toronto Pearson Intl

£433

Find similar

Aer Lingus

3 Feb

YYZ17:25Toronto Pearson Intl

9h 40m

1 stop

LHR08:05London Heathrow

10 Feb

LHR09:50London Heathrow

11h 05m

1 stop

YYZ15:55Toronto Pearson Intl

£435

Find similar

Aer Lingus

6 Apr

YYZ17:20Toronto Pearson Intl

12h 00m

1 stop

LHR10:20London Heathrow

13 Apr

LHR08:50London Heathrow

12h 00m

1 stop

YYZ15:50Toronto Pearson Intl

£439

Find similar

American Airlines flights from Region of Ontario to London Heathrow Airport

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

American Airlines

16 Jan

YUL20:30Montreal Pierre Elliott Trudeau Intl

6h 50m

LHR08:20London Heathrow

2 Feb

LHR16:10London Heathrow

7h 35m

YUL18:45Montreal Pierre Elliott Trudeau Intl

£459

Find similar

American Airlines

13 May

YUL22:00Montreal Pierre Elliott Trudeau Intl

6h 40m

LHR09:40London Heathrow

26 May

LHR18:05London Heathrow

7h 10m

YUL20:15Montreal Pierre Elliott Trudeau Intl

£468

Find similar

American Airlines

10 Dec

YYZ07:05Toronto Pearson Intl

10h 05m

1 stop

LHR22:10London Heathrow

24 Dec

LHR14:45London Heathrow

25h 24m

1 stop

YYZ11:09Toronto Pearson Intl

£472

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Ontario to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Tue 3/2

18:10-06:30

Nonstop7h 20m

London Heathrow

Tue 10/2

09:00-16:05

1 stop12h 05m

£420

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Sun 11/1

23:00-11:20

Nonstop7h 20m

London Heathrow

Sat 17/1

07:40-14:50

1 stop12h 10m

£420

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Fri 30/1

06:00-09:20

2 stops22h 20m

London Heathrow

Thu 5/2

19:50-15:40

2 stops24h 50m

£423

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Fri 16/1

18:10-06:30

Nonstop7h 20m

London Heathrow

Mon 19/1

20:05-16:05

1 stop25h 00m

£423

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Thu 9/4

23:25-20:20

1 stop15h 55m

London Heathrow

Thu 16/4

13:05-19:10

1 stop11h 05m

£424

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Sun 11/1

23:00-11:20

Nonstop7h 20m

London Heathrow

Sat 17/1

13:00-16:00

Nonstop8h 00m

£425

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Mon 23/2

12:05-16:25

3 stops23h 20m

London Heathrow

Sat 28/2

15:35-15:40

2 stops29h 05m

£426

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Tue 13/1

17:00-07:55

1 stop9h 55m

London Heathrow

Sun 25/1

06:20-12:15

1 stop10h 55m

£455

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Fri 16/1

19:30-07:10

Nonstop6h 40m

London Heathrow

Tue 3/2

13:25-16:05

Nonstop7h 40m

£457

Thunder BayLondon

YQT - LHR

YQTLHR

Thunder Bay

Tue 3/2

11:15-06:30

1 stop14h 15m

London Heathrow

Tue 3/3

06:35-18:40

2 stops17h 05m

£511

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 Region of Ontario to London Heathrow Airport

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 London Heathrow Airport?

In general, February is the cheapest month to fly from Region of Ontario to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £420. The month of April is another great option to travel to London Heathrow Airport, with average flight prices from Region of Ontario averaging around £434.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Region of Ontario is on a Thursday. momondo users have found tickets for Thursday departures for as low as £534. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £574.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is at midday. momondo users have found flights departing from Region of Ontario to London Heathrow Airport at midday for as low as £511. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £552 on average. Flights to London Heathrow Airport from Region of Ontario in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Ontario to London Heathrow flight route?

Fly from Toronto Pearson Intl to London Heathrow for the best Ontario - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £508 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Region of Ontario for as low as £459 on momondo.

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

There are 3 cabin classes available to choose from on Ontario to London Heathrow 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 Region of Ontario to London Heathrow Airport flights?

You could potentially save up to 32% on your flight if you consider stops on a Region of Ontario to London Heathrow Airport flight.

Cheap Region of Ontario to London Heathrow Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to London Heathrow Airport

Best price found	£267
Fastest flight time	6h 25m
Direct flights	Mon, Tue, Wed, Thu, Sat and Sun

The best one-way flight to London Heathrow Airport from Region of Ontario in the past 72 hours is £267. The best return flight deal from Region of Ontario to London Heathrow Airport found on momondo in the last 72 hours is £500.

The fastest flight from Region of Ontario to London Heathrow Airport takes 6h 25m

Direct flights go from Region of Ontario to London Heathrow Airport on Monday, Tuesday, Wednesday, Thursday, Saturday and Sunday. Airline offering direct flights is Virgin Atlantic..

Search flight deals

When did momondo last update prices for flights from Ontario to London Heathrow Airport?
Prices for flights from Ontario to London Heathrow Airport were last updated today.
How many operators does momondo search for flights from Ontario to London Heathrow Airport?
As of November 2025, there are 10 operators available to choose from for flights from Ontario to London Heathrow Airport.
How old do you have to be to fly from Ontario to London Heathrow Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents you'll need for your trip to London Heathrow Airport 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 London Heathrow Airport. 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 Region of Ontario to London Heathrow Airport?
momondo data reveals that the most frequently booked plane model on the route from Region of Ontario to London Heathrow Airport is Boeing 777-300ER, representing 19.71% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 16.59%, Airbus A330-200 at 15.13%, and Airbus A321neo at 12.85%.

Best airlines flying from Region of Ontario to London Heathrow Airport

Compare and see reviews for airlines that fly from Region of Ontario to London Heathrow Airport with momondo

Airline	Rating	Free Cancellation	Price
Aer Lingus	PriceFrom £371	Free Cancellation	Rating 7.2 1,382 reviews	Search Aer Lingus flights
Icelandair	PriceFrom £378	Free Cancellation	Rating 7.0 582 reviews	Search Icelandair flights
Air Canada	PriceFrom £387	Free Cancellation	Rating 7.1 10,481 reviews	Search Air Canada flights
KLM	PriceFrom £388	Free Cancellation	Rating 7.7 1,423 reviews	Search KLM flights
Virgin Atlantic	PriceFrom £395	Free Cancellation	Rating 7.5 675 reviews	Search Virgin Atlantic flights
Lufthansa	PriceFrom £405	Free Cancellation	Rating 6.8 7,594 reviews	Search Lufthansa flights
British Airways	PriceFrom £409	Free Cancellation	Rating 6.7 7,539 reviews	Search British Airways flights
American Airlines	PriceFrom £424	Free Cancellation	Rating 7.2 11,037 reviews	Search American Airlines flights
Finnair	PriceFrom £424	Free Cancellation	Rating 7.6 1,334 reviews	Search Finnair flights
United Airlines	PriceFrom £479	Free Cancellation	Rating 7.4 9,050 reviews	Search United Airlines flights

Eastbourne

Milton Keynes

Luton

Gatwick

Maidstone

Slough

Northampton

Swindon

Stratford-upon-Avon

Canterbury

Southend-on-Sea

Ipswich

Ilford

Poole

Guildford

Swanage

Hayes

Dover

Chelmsford

Colchester

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to London. momondo saves you time and could save you money on your trip.

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

Flights from Ontario to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Ontario to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to London from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your London Heathrow Airport 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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Fri 26/12

Fri 2/1

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London

Popular Cities in the United Kingdom

Flights to London Gatwick Airportfrom £36

Flights to London City Airportfrom £138

Flights to London Stansted Airportfrom £33

Flights to London Luton Airportfrom £35

Flights to London Southend Airportfrom £109

Flights to Belfast Intl Airportfrom £30

Flights to Glasgow Intl Airportfrom £30

Flights to Belfast City Airportfrom £36

Flights to Glasgow Prestwick Airportfrom £70

Flights to Lerwick Sumburgh Airport

Cheap flights from Ontario to London from £158

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to London departing on 4/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Ontario to London

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

Aer Lingus flights from Region of Ontario to London Heathrow Airport

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

American Airlines flights from Region of Ontario to London Heathrow Airport

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

momondo Fare Finder

Use the filters below to find and compare flights from Ontario to London Heathrow Airport that are best for you.

See travel insights to London from

How to get the cheapest flight ticket from Region of Ontario to London Heathrow Airport

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 London Heathrow Airport?

What is the cheapest day to depart on your flight to London Heathrow Airport?

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

What is the cheapest Ontario to London Heathrow flight route?

Fly from Toronto Pearson Intl to London Heathrow for the best Ontario - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

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

There are 3 cabin classes available to choose from on Ontario to London Heathrow 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 Region of Ontario to London Heathrow Airport flights?

You could potentially save up to 32% on your flight if you consider stops on a Region of Ontario to London Heathrow Airport flight.

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

WestJet, TAP AIR PORTUGAL, and Lufthansa are the most popular carriers operating from Ontario to London Heathrow

Which airlines fly to London Heathrow Airport?

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

As of November 2025, 44 flights take off from Region of Ontario and land in London Heathrow Airport each day. The most common flight departure time for this route is 18:00, with 100% of daily flights taking off in the evening.

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

As of November 2025, 308 flights take off from Region of Ontario and land in London Heathrow Airport each week. The most common flight departure day for this route is Wed, with 18% of weekly flights taking off on this day.

How long does it take to fly to London Heathrow Airport?

If you’re flying from a popular airport in Region of Ontario, such as Ottawa or Toronto, and flying into London Heathrow Airport, then you can expect flight times to average 6h 25m and 8h 05m, respectively.

Cheap Region of Ontario to London Heathrow Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to London Heathrow Airport

Best price found

Fastest flight time

Direct flights

When did momondo last update prices for flights from Ontario to London Heathrow Airport?

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

How old do you have to be to fly from Ontario to London Heathrow Airport?

What documentation or ID do you need to fly to London Heathrow Airport?

What is the most popular plane model from Region of Ontario to London Heathrow Airport?

Best airlines flying from Region of Ontario to London Heathrow Airport

Compare and see reviews for airlines that fly from Region of Ontario to London Heathrow Airport with momondo

Travelling to a place near London?

Why use momondo?

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

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

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

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

An easier way to manage your London Heathrow Airport 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to London

Popular Cities in the United Kingdom

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