How long is the flight from Region of Ontario to London Heathrow Airport?

For as low as £477, Lufthansa can have you in London Heathrow Airport from Region of Ontario in 7h 15m. Region of Ontario and London Heathrow Airport are separated by a distance of 3543 mi. Both multi-stop and direct flights can be found to your destination and back.

What are the cheapest airlines to fly from Region of Ontario to London Heathrow Airport one-way?

£171 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on Lufthansa and Air Canada, with prices starting from £255 and £263, respectively.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What are the most popular routes from Region of Ontario to London Heathrow Airport?

When deciding which route to take from Region of Ontario to London Heathrow Airport consider Toronto Pearson Intl - London Heathrow, Montreal Pierre Elliott Trudeau Intl - London Heathrow or Toronto Island - London Heathrow as they are the most popular.

What are the cheapest flights from Region of Ontario to London Heathrow Airport?

Looking for the cheapest flight from Region of Ontario to London Heathrow Airport? While on average our users pay £1,373, our data indicates the cheapest price to be £258. The most popular route (Toronto Pearson Intl - London Heathrow), is priced around £345.

What are the most reliable airlines from Region of Ontario to London Heathrow Airport?

No one likes to see their flight delayed. When booking a flight from Region of Ontario to London Heathrow Airport consider choosing KLM (83%), SAUDIA (83%) or Air France (83%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Region of Ontario to London Heathrow Airport?

Air Canada, British Airways and Virgin Atlantic are the most popular airlines when flying from Region of Ontario to London Heathrow Airport.

Can I find deals for flights from Ontario to Heathrow that include hotel bookings?

Yes. In addition to deals on Ontario to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Ontario to Heathrow?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Heathrow.

Can I find deals for business class flights from Ontario to Heathrow?

Yes. Cheapflights offers flight deals from Ontario to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£210+ Cheap Flights from Ontario to London Heathrow Airport

Cheap flight deals from Ontario to Heathrow

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Ontario to Heathrow
Explore the most affordable flight options available from Ontario to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 October 2026.

Sat 7/1119:40 -

1 stop10h 10m

Fri 13/1112:15 -

1 stop11h 00m

Deal found 1/10£418

Wed 11/1119:40 -

1 stop18h 50m

Tue 17/1112:15 -

1 stop11h 00m

Deal found 30/9£419

Sat 7/1119:40 -

1 stop10h 10m

Sun 22/1120:35 -

1 stop26h 40m

Deal found 29/9£420

Tue 10/1119:40 -

1 stop10h 10m

Sun 15/1120:35 -

1 stop26h 40m

Deal found 30/9£421

Mon 5/1018:20 -

1 stop21h 20m

Wed 7/1011:05 -

1 stop29h 45m

Deal found 27/9£422

Fri 13/1119:40 -

1 stop18h 50m

Thu 26/1112:15 -

1 stop11h 00m

Deal found 27/9£423

Wed 11/1119:40 -

1 stop18h 50m

Sun 22/1120:35 -

1 stop26h 40m

Deal found 30/9£425

Thu 15/1020:45 -

1 stop10h 10m

Thu 22/1021:25 -

1 stop29h 40m

Deal found 29/9£428

Fri 16/1015:35 -

2 stops24h 25m

Sun 22/1106:00 -

2 stops16h 51m

Deal found 1/10£446

Sat 7/1115:35 -

1 stop9h 55m

Fri 13/1109:00 -

2 stops13h 51m

Deal found 30/9£447

Sat 7/1112:30 -

2 stops13h 00m

Sun 15/1106:00 -

2 stops16h 51m

Deal found 28/9£449

Sat 7/1115:35 -

1 stop9h 55m

Mon 16/1109:00 -

2 stops13h 51m

Deal found 29/9£449

Best flights from Ontario to Heathrow
Discover carefully curated flight deals from Ontario to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 October 2026.

Sat 14/1114:00 -

1 stop12h 10m

Sat 21/1107:40 -

1 stop12h 15m

Deal found 30/9£469

Mon 5/1022:55 -

Nonstop7h 15m

Mon 19/1017:50 -

Nonstop7h 50m

Deal found 26/9£477

Sat 28/1121:45 -

Nonstop7h 05m

Sat 12/1211:30 -

1 stop13h 15m

Deal found 1/10£494

Fri 30/1018:25 -

1 stop9h 30m

Fri 13/1106:20 -

1 stop13h 40m

Deal found 27/9£498

Wed 21/1012:15 -

1 stop13h 30m

Wed 28/1006:50 -

2 stops16h 07m

Deal found 30/9£515

Fri 6/1117:10 -

2 stops13h 55m

Sun 6/1206:30 -

2 stops13h 30m

Deal found 29/9£558

Sun 18/1005:15 -

1 stop22h 20m

Thu 22/1006:00 -

2 stops21h 58m

Deal found 29/9£688

Tue 13/1022:55 -

Nonstop7h 15m

Tue 20/1017:50 -

Nonstop7h 50m

Deal found 26/9£477

Sun 24/117:10 -

1 stop9h 45m

Sat 6/206:20 -

1 stop13h 40m

Deal found 30/9£503

Fri 16/1016:05 -

2 stops13h 20m

Sun 1/1112:05 -

2 stops16h 54m

Deal found 1/10£516

Thu 24/1221:45 -

Nonstop7h 05m

Mon 11/116:10 -

Nonstop7h 55m

Deal found 27/9£481

Fri 20/1117:25 -

2 stops13h 40m

Fri 27/1108:55 -

1 stop11h 05m

Deal found 27/9£536

Wed 28/1018:25 -

2 stops12h 20m

Wed 4/1106:30 -

2 stops13h 30m

Deal found 30/9£559

Sun 1/1117:25 -

1 stop9h 30m

Thu 12/1119:20 -

1 stop24h 40m

Deal found 28/9£508

Mon 12/1006:00 -

2 stops18h 55m

Fri 16/1016:40 -

2 stops21h 31m

Deal found 29/9£516

Fri 30/1018:25 -

2 stops13h 40m

Fri 13/1108:55 -

1 stop11h 05m

Deal found 27/9£538

Thu 8/1018:00 -

1 stop14h 45m

Mon 12/1017:50 -

Nonstop7h 50m

Deal found 29/9£497

Wed 11/1117:10 -

2 stops12h 35m

Tue 17/1111:45 -

2 stops17h 59m

Deal found 29/9£559

Mon 12/1012:15 -

1 stop15h 35m

Wed 21/1011:30 -

2 stops16h 26m

Deal found 28/9£518

Thu 29/1012:05 -

1 stop13h 50m

Thu 5/1112:05 -

1 stop11h 52m

Deal found 1/10£523

Fri 9/1022:55 -

Nonstop7h 15m

Sun 25/1011:20 -

1 stop15h 36m

Deal found 29/9£498

Mon 30/1111:20 -

1 stop19h 00m

Wed 30/1218:00 -

1 stop21h 06m

Deal found 30/9£694

Mon 5/1015:15 -

1 stop14h 25m

Fri 16/1016:40 -

1 stop31h 17m

Deal found 26/9£523

Thu 10/1221:45 -

Nonstop7h 05m

Tue 15/1206:20 -

2 stops15h 50m

Deal found 28/9£499

Thu 12/1106:20 -

1 stop19h 10m

Thu 19/1106:00 -

2 stops21h 54m

Deal found 28/9£607

Thu 12/1112:05 -

1 stop14h 50m

Thu 19/1112:05 -

1 stop11h 52m

Deal found 28/9£523

Wed 11/1110:35 -

1 stop16h 55m

Wed 18/1106:00 -

2 stops17h 45m

Deal found 26/9£708

Wed 11/1109:55 -

3 stops28h 35m

Wed 18/1112:15 -

2 stops15h 39m

Deal found 27/9£612

Tue 10/1112:15 -

2 stops14h 40m

Mon 16/1111:30 -

1 stop13h 15m

Deal found 30/9£518

Fri 13/1119:20 -

1 stop11h 00m

Fri 20/1111:10 -

1 stop12h 35m

Deal found 29/9£708

Find flight deals from Ontario to Heathrow

Round-trip from	£418
One-way from	£210
Popular in	December
Cheapest in	February
Average price	£494
Good round-trip deal	£490 or less
Good one-way deal	£320 or less

Icelandair
8/11-15/11
2 total stops
36h 50m total
Ontario to London

Search Deals

WestJet
21/11-31/12
1 total stop
15h 30m total
Ontario to London

Search Deals

Highest demand for flights based on searches. 1% potential increase in price (£6 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Price to beat on a round-trip flight from Ontario to London Heathrow.

Search Deals

Price to beat on a one-way flight from Ontario to London Heathrow.

Search Deals

Cheapflights 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

Cheapest return flight

TorontoLondon

YYZ Toronto Pearson Intl - LHR London Heathrow

YYZLHR

Toronto Pearson Intl

Thu 26/11

18:05-06:30

Nonstop7h 25m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£255

TorontoLondon

YYZ Toronto Pearson Intl - LHR London Heathrow

YYZLHR

Toronto Pearson Intl

Thu 12/11

18:05-06:30

Nonstop7h 25m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£255

TorontoLondon

YYZ Toronto Pearson Intl - LHR London Heathrow

YYZLHR

Toronto Pearson Intl

Tue 17/11

18:05-06:30

Nonstop7h 25m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£255

Fastest return journey

TorontoLondon

YYZ Toronto Pearson Intl - LHR London Heathrow

YYZLHR

Toronto Pearson Intl

Thu 22/10

23:50-11:50

Nonstop7h 00m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£255

TorontoLondon

YYZ Toronto Pearson Intl - LHR London Heathrow

YYZLHR

Toronto Pearson Intl

Tue 24/11

18:05-06:30

Nonstop7h 25m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£255

TorontoLondon

YYZ Toronto Pearson Intl - LHR London Heathrow

YYZLHR

Toronto Pearson Intl

Wed 25/11

18:05-06:30

Nonstop7h 25m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£255

Thunder BayLondon

YQT Thunder Bay - LHR London Heathrow

YQTLHR

Thunder Bay

Fri 13/11

16:40-12:50

3 stops39h 10m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£256

TorontoLondon

YYZ Toronto Pearson Intl - LHR London Heathrow

YYZLHR

Toronto Pearson Intl

Thu 3/12

20:10-08:30

Nonstop7h 20m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£259

TorontoLondon

YYZ Toronto Pearson Intl - LHR London Heathrow

YYZLHR

Toronto Pearson Intl

Fri 27/11

09:10-12:50

2 stops22h 40m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£268

TorontoLondon

YYZ Toronto Pearson Intl - LHR London Heathrow

YYZLHR

Toronto Pearson Intl

Tue 27/10

14:00-10:50

2 stops16h 50m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£276

Flights are sorted by cheapest return flights first.

Deals found on 28/9

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from Ontario to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Ontario with our price prediction graph.

YOW-LHR

YYZ-LHR

YTZ-LHR

YQT-LHR

YQG-LHR

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to London Heathrow Airport

CAON-LHR

YOW-LHR

YYZ-LHR

YTZ-LHR

YQT-LHR

What is the cheapest month to book a flight from Region of Ontario to London Heathrow Airport?

Currently, February is the cheapest month in which you can book a flight from Region of Ontario to London Heathrow Airport (average of £457). Flying from Region of Ontario to London Heathrow Airport in December is currently the most expensive (average of £732). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ON to LHR?

When flying from Region of Ontario to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Region of Ontario to London Heathrow Airport

The most flights from CAON to LHR are scheduled on a Wednesday (40 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (21 on average).

How much does it cost for a return flight from Region of Ontario to London Heathrow Airport?

Airfare is below average for this route at the moment.

Region of Ontario to London Heathrow Airport flights typically cost between £480 and £602 in November.
The cheapest return price found within the last 5 days was £418 on Icelandair (8 Nov–15 Nov).

How far ahead should I book a flight from Region of Ontario to London Heathrow Airport?

Booking 45 days in advance of your planned departure date is, on average, the best time to get cheap flights from Region of Ontario to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Related info for your journey

How long is the flight from Region of Ontario to London Heathrow Airport?
For as low as £477, Lufthansa can have you in London Heathrow Airport from Region of Ontario in 7h 15m. Region of Ontario and London Heathrow Airport are separated by a distance of 3543 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines to fly from Region of Ontario to London Heathrow Airport one-way?
£171 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on Lufthansa and Air Canada, with prices starting from £255 and £263, respectively.
What are the most popular routes from Region of Ontario to London Heathrow Airport?
When deciding which route to take from Region of Ontario to London Heathrow Airport consider Toronto Pearson Intl - London Heathrow, Montreal Pierre Elliott Trudeau Intl - London Heathrow or Toronto Island - London Heathrow as they are the most popular.
What are the most reliable airlines from Region of Ontario to London Heathrow Airport?
No one likes to see their flight delayed. When booking a flight from Region of Ontario to London Heathrow Airport consider choosing KLM (83%), SAUDIA (83%) or Air France (83%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Region of Ontario to London Heathrow Airport?
Looking for the cheapest flight from Region of Ontario to London Heathrow Airport? While on average our users pay £1,373, our data indicates the cheapest price to be £258. The most popular route (Toronto Pearson Intl - London Heathrow), is priced around £345.
Can I find deals for flights from Ontario to Heathrow that include hotel bookings?
Yes. In addition to deals on Ontario to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Ontario to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Heathrow.
Can I find deals for business class flights from Ontario to Heathrow?
Yes. Cheapflights offers flight deals from Ontario to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Region of Ontario to London Heathrow Airport?
Currently, February is the cheapest month in which you can book a flight from Region of Ontario to London Heathrow Airport (average of £457). Flying from Region of Ontario to London Heathrow Airport in December is currently the most expensive (average of £732). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Ontario to Heathrow

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Top 6 airlines flying from Ontario to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£357	Average£673	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
KLM	Cheapest£384	Average£502	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Lufthansa	Cheapest£428	Average£590	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Air Canada	Cheapest£429	Average£612	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Virgin Atlantic	Cheapest£431	Average£622	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
British Airways	Cheapest£483	Average£651	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

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How does Cheapflights help users find flights from Ontario to Heathrow?

Cheapflights makes it easy to find Ontario to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Heathrow?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario to Heathrow for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Ontario to Heathrow with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ontario to Heathrow flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ontario to Heathrow become cheaper?

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Cheap flights from Ontario to London Heathrow Airport from £210

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ontario to Heathrow

Cheapest flights from Ontario to HeathrowExplore the most affordable flight options available from Ontario to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 October 2026.

Explore the most affordable flight options available from Ontario to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 October 2026.

Best flights from Ontario to HeathrowDiscover carefully curated flight deals from Ontario to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 October 2026.

Discover carefully curated flight deals from Ontario to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 October 2026.

Direct flights from Ontario to HeathrowExplore direct flight options from Ontario to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 October 2026.

Explore direct flight options from Ontario to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 October 2026.

Last-minute flights from Ontario to HeathrowDiscover last-minute flight deals from Ontario to Heathrow. Data last updated 1 October 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Heathrow. Data last updated 1 October 2026 and is based on user searches.

One-way flights from Ontario to HeathrowSearch for one-way flight options from Ontario to Heathrow. Find affordable one-way fares based on user searches. Data last updated 1 October 2026.

Search for one-way flight options from Ontario to Heathrow. Find affordable one-way fares based on user searches. Data last updated 1 October 2026.

Find flight deals from Ontario to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

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

Best time to book a flight from Ontario to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Ontario with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Region of Ontario to London Heathrow Airport?

What is the cheapest time of day to fly from ON to LHR?

Find hourly flight availability from Ontario to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 October 2026.

When flying from Region of Ontario to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Region of Ontario to London Heathrow Airport

Explore weekly flight availability from Ontario to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 1 October 2026.

The most flights from CAON to LHR are scheduled on a Wednesday (40 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (21 on average).

How much does it cost for a return flight from Region of Ontario to London Heathrow Airport?

Airfare is below average for this route at the moment.

Region of Ontario to London Heathrow Airport flights typically cost between £480 and £602 in November.The cheapest return price found within the last 5 days was £418 on Icelandair (8 Nov–15 Nov).

How far ahead should I book a flight from Region of Ontario to London Heathrow Airport?

Booking 45 days in advance of your planned departure date is, on average, the best time to get cheap flights from Region of Ontario to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Related info for your journey

How long is the flight from Region of Ontario to London Heathrow Airport?

What are the cheapest airlines to fly from Region of Ontario to London Heathrow Airport one-way?

What are the most popular routes from Region of Ontario to London Heathrow Airport?

What are the most reliable airlines from Region of Ontario to London Heathrow Airport?

What are the cheapest flights from Region of Ontario to London Heathrow Airport?

Can I find deals for flights from Ontario to Heathrow that include hotel bookings?

How can I find direct flights from Ontario to Heathrow?

Can I find deals for business class flights from Ontario to Heathrow?

What is the cheapest month to book a flight from Region of Ontario to London Heathrow Airport?

Travelling to a place near London Heathrow Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Heathrow by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

Book a non-stop flight to one of these other cities located in England.

Search flights from Ontario to Heathrow by cabin class

Find flights from Ontario to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Heathrow

Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 1 October 2026.

Ontario and Heathrow flights

Browse other Ontario and Heathrow flight options. Last updated on 1 October 2026.

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Ontario to Heathrow flights

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Top 6 airlines flying from Ontario to Heathrow

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How does Cheapflights help users find flights from Ontario to Heathrow?

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Can Cheapflights find flights from Ontario to Heathrow with no change fees?

Can Cheapflights notify me if prices for flights from Ontario to Heathrow become cheaper?

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Cheapest flights from Ontario to Heathrow
Explore the most affordable flight options available from Ontario to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 October 2026.

Best flights from Ontario to Heathrow
Discover carefully curated flight deals from Ontario to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 October 2026.

Direct flights from Ontario to Heathrow
Explore direct flight options from Ontario to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 October 2026.

Last-minute flights from Ontario to Heathrow
Discover last-minute flight deals from Ontario to Heathrow. Data last updated 1 October 2026 and is based on user searches.

One-way flights from Ontario to Heathrow
Search for one-way flight options from Ontario to Heathrow. Find affordable one-way fares based on user searches. Data last updated 1 October 2026.

Region of Ontario to London Heathrow Airport flights typically cost between £480 and £602 in November.
The cheapest return price found within the last 5 days was £418 on Icelandair (8 Nov–15 Nov).