Question 1

Which airport is the most popular for stopovers for flights between Toronto and London Heathrow Airport?

Accepted Answer

Montreal (YUL) was the most common stop: 50% of momondo users choosing one-stop flights on this route connected there.

Question 2

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Question 3

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

Accepted Answer

On average, the least expensive day to fly to London Heathrow Airport from Toronto is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £524. 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 £561.

Question 4

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

Accepted Answer

WestJet, TAP AIR PORTUGAL, and Air Canada are the most popular carriers operating from Toronto to London Heathrow

Question 5

Which stopover airport offers the lowest fares from Toronto to London Heathrow Airport?

Accepted Answer

Flights via Reykjavik (KEF) offer the lowest average return price of £376.

Question 6

Can stopping save me money on Toronto to London Heathrow Airport flights?

Accepted Answer

You could potentially save up to 37% on your flight if you consider stops on a Toronto to London Heathrow Airport flight.

Question 7

How have Toronto to London Heathrow Airport flight prices changed over time?

Accepted Answer

As of December 2025, prices for Toronto to London Heathrow Airport flights are approximately 30% more expensive when compared to flights at the same time last year.

Question 8

Which stopover airport has the shortest travel time from Toronto to London Heathrow Airport?

Accepted Answer

Flights connecting via Dublin (DUB) have the shortest average one-way travel time: 9h 35m.

Question 9

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

Accepted Answer

You are more likely to see cheaper flights to London Heathrow Airport from Toronto when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £503 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 Toronto for as low as £442 on momondo.

Question 10

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

Accepted Answer

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 Toronto to London Heathrow Airport at midday for as low as £504. 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 £546 on average. Flights to London Heathrow Airport from Toronto in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

Question 11

How often are flights from Toronto to London delayed?

Accepted Answer

Historically, on average around 20% of flights between Toronto and London have experienced a delay on any given week. The average delay length over the past 12 months has been 168 minutes.

Question 12

Which stopover airport has the shortest connection time from Toronto to London Heathrow Airport?

Accepted Answer

Reykjavik (KEF) has the shortest average stopover time for this route: 1h 20m.

Question 13

How many flights depart from Toronto to London Heathrow Airport on average per day?

Accepted Answer

As of December 2025, there are 31 flights per day flying from Toronto to London Heathrow Airport. The most common time of day flights depart is 18:00, with 100% of flights taking off in the evening.

Question 14

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

Accepted Answer

There are 3 cabin classes available to choose from on Toronto to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 15

What is the cheapest Toronto to London Heathrow flight route?

Accepted Answer

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

Question 16

Which airlines fly to London Heathrow Airport?

Accepted Answer

Air Canada, British Airways and Virgin Atlantic are the top three most popular airlines that fly to London Heathrow Airport from Toronto according to our data. Air Canada is the first choice among our users, with 73% 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.

Question 17

Which airline has the best punctuality record on Toronto to London flights?

Accepted Answer

According to our data, Virgin Atlantic have had the fewest delays on this route over the last 12 months, with about 11% of their flights experiencing any sort of delay.

Question 18

What is the typical price of a round-trip flight between Toronto and London Heathrow Airport?

Accepted Answer

Prices are currently low for flights on this route.Typical prices usually range from £555 to £871.
The lowest price recently found on this route was £419.

Question 19

What is the cheapest month to fly to London Heathrow Airport?

Accepted Answer

In general, February is the cheapest month to fly from Toronto to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £413. The month of April is another great option to travel to London Heathrow Airport, with average flight prices from Toronto averaging around £428.

Question 20

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

Accepted Answer

If you’re flying from a popular airport in Toronto, such as Toronto or Hamilton, and flying into London Heathrow Airport, then you can expect flight times to average 8h 50m and 16h 35m, respectively.

Question 21

How many flights depart from Toronto to London Heathrow Airport on average per week?

Accepted Answer

As of December 2025, there are 222 flights per week flying from Toronto to London Heathrow Airport. The most common day of the week flights depart is Fri, with 18% of flights taking off on this day.

Question 22

What is the most punctual flight time for Toronto to London flights?

Accepted Answer

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Question 23

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

Accepted Answer

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

Question 24

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

Accepted Answer

There are 10 operators available for flights from Toronto to London Heathrow Airport as of December 2025.

Question 25

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

Accepted Answer

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Toronto to London Heathrow Airport.

Question 26

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

Accepted Answer

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.

Best price found	£274
Fastest flight time	7h 00m
Direct flights	Every day

Airline	Rating	Free Cancellation	Price
Aer Lingus	PriceFrom £367	Free Cancellation	Rating 7.2 1,392 reviews	Search Aer Lingus flights
Icelandair	PriceFrom £374	Free Cancellation	Rating 7.0 590 reviews	Search Icelandair flights
Air Canada	PriceFrom £381	Free Cancellation	Rating 7.1 10,527 reviews	Search Air Canada flights
KLM	PriceFrom £383	Free Cancellation	Rating 7.7 1,432 reviews	Search KLM flights
Virgin Atlantic	PriceFrom £390	Free Cancellation	Rating 7.5 675 reviews	Search Virgin Atlantic flights
Lufthansa	PriceFrom £402	Free Cancellation	Rating 6.8 7,631 reviews	Search Lufthansa flights
British Airways	PriceFrom £404	Free Cancellation	Rating 6.7 7,580 reviews	Search British Airways flights
American Airlines	PriceFrom £418	Free Cancellation	Rating 7.2 11,048 reviews	Search American Airlines flights
Finnair	PriceFrom £418	Free Cancellation	Rating 7.6 1,337 reviews	Search Finnair flights
United Airlines	PriceFrom £472	Free Cancellation	Rating 7.4 9,094 reviews	Search United Airlines flights

Cheap flights from Toronto to London from £171

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Toronto to London departing on 20/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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