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Cheap flights from London Heathrow Airport to Toronto from $375

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 Toronto departing on 5/5. 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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Find the cheapest flights from London Heathrow Airport to Toronto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
8:40 am - 7:52 pm
LHR
-
YTZ
16h 12m
2 stops
Air Canada Logo
10:20 am - 6:30 am
YTZ
-
LHR
15h 10m
1 stop
$640Air Canada
Mon, May 4 - Mon, May 11
Air Canada Logo
8:40 am - 9:32 pm
LHR
-
YTZ
17h 52m
2 stops
Air Canada Logo
8:55 pm - 6:30 am
YTZ
-
LHR
28h 35m
2 stops
$643Air Canada
Mon, May 4 - Mon, May 11
Air Canada Logo
2:10 pm - 10:25 am
LHR
-
YTZ
25h 15m
1 stop
Air Canada Logo
6:55 pm - 8:35 am
YTZ
-
LHR
8h 40m
1 stop
$673Air Canada
Sat, Apr 11 - Sat, Apr 25
Air Canada Logo
9:30 am - 7:52 pm
LHR
-
YTZ
15h 22m
1 stop
Air Canada Logo
3:40 pm - 6:30 am
YTZ
-
LHR
9h 50m
1 stop
$677Air Canada
Sun, Apr 19 - Thu, Apr 30
Air Canada Logo
9:30 am - 5:52 pm
LHR
-
YTZ
13h 22m
1 stop
Air Canada Logo
9:30 am - 6:30 am
YTZ
-
LHR
16h 00m
1 stop
$678Air Canada
Sun, May 3 - Sun, May 10
Air Canada Logo
9:30 am - 3:52 pm
LHR
-
YTZ
11h 22m
1 stop
Air Canada Logo
12:30 pm - 6:30 am
YTZ
-
LHR
13h 00m
1 stop
$680Air Canada
Tue, May 5 - Tue, May 12
SWISS Logo
8:40 am - 5:52 pm
LHR
-
YTZ
14h 12m
2 stops
SWISS Logo
12:30 pm - 7:55 am
YTZ
-
LHR
14h 25m
2 stops
$684SWISS
Mon, May 4 - Mon, May 11
Air Canada Logo
9:30 am - 3:02 pm
LHR
-
YTZ
10h 32m
1 stop
Air Canada Logo
12:25 pm - 6:30 am
YTZ
-
LHR
13h 05m
1 stop
$686Air Canada
Thu, Apr 16 - Thu, Apr 23
United Airlines Logo
1:50 pm - 8:09 pm
LHR
-
YTZ
35h 19m
2 stops
United Airlines Logo
2:20 pm - 6:55 am
YTZ
-
LHR
35h 35m
2 stops
$689United Airlines
Thu, May 7 - Sun, May 17
Air Canada Logo
2:05 pm - 7:17 am
LHR
-
YTZ
22h 12m
2 stops
Air Canada Logo
12:20 pm - 6:30 am
YTZ
-
LHR
13h 10m
2 stops
$691Air Canada
Sun, May 3 - Sun, May 10

United Airlines flights from London Heathrow Airport to Toronto Island Airport

Our best United Airlines deals on London Heathrow Airport to Toronto Island Airport flight tickets
United Airlines
May 7
LHR1:50 pmLondon Heathrow
35h 19m
2 stops
YTZ8:09 pmToronto Island
May 17
YTZ2:20 pmToronto Island
35h 35m
2 stops
LHR6:55 amLondon Heathrow
$689
United Airlines
Sep 5
LHR7:30 amLondon Heathrow
16h 12m
2 stops
YTZ6:42 pmToronto Island
Sep 12
YTZ2:55 pmToronto Island
11h 00m
1 stop
LHR6:55 amLondon Heathrow
$696
United Airlines
May 8
LHR8:40 amLondon Heathrow
40h 29m
2 stops
YTZ8:09 pmToronto Island
May 17
YTZ6:10 pmToronto Island
31h 45m
2 stops
LHR6:55 amLondon Heathrow
$702

Air Canada flights from London Heathrow Airport to Toronto Island Airport

Our best Air Canada deals on London Heathrow Airport to Toronto Island Airport flight tickets
Air Canada
May 4
LHR8:40 amLondon Heathrow
16h 12m
2 stops
YTZ7:52 pmToronto Island
May 11
YTZ10:20 amToronto Island
15h 10m
1 stop
LHR6:30 amLondon Heathrow
$640
Air Canada
May 4
LHR8:40 amLondon Heathrow
17h 52m
2 stops
YTZ9:32 pmToronto Island
May 11
YTZ8:55 pmToronto Island
28h 35m
2 stops
LHR6:30 amLondon Heathrow
$643
Air Canada
Apr 11
LHR2:10 pmLondon Heathrow
25h 15m
1 stop
YTZ10:25 amToronto Island
Apr 25
YTZ6:55 pmToronto Island
8h 40m
1 stop
LHR8:35 amLondon Heathrow
$673

momondo Fare Finder

 
Customize your flight search to find flights from London Heathrow Airport to Toronto Island Airport 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 832,500 searches. Data last updated March 24, 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Toronto Island Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Mon 5/4

8:40 am-7:52 pm

2 stops16h 12m

Toronto Island

Mon 5/11

10:20 am-6:30 am

1 stop15h 10m

$640

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Mon 5/4

8:40 am-9:32 pm

2 stops17h 52m

Toronto Island

Mon 5/11

8:55 pm-6:30 am

2 stops28h 35m

$643

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Sat 4/11

2:10 pm-10:25 am

1 stop25h 15m

Toronto Island

Sat 4/25

6:55 pm-8:35 am

1 stop8h 40m

$673

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Sun 4/19

9:30 am-7:52 pm

1 stop15h 22m

Toronto Island

Thu 4/30

3:40 pm-6:30 am

1 stop9h 50m

$677

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Sun 5/3

9:30 am-5:52 pm

1 stop13h 22m

Toronto Island

Sun 5/10

9:30 am-6:30 am

1 stop16h 00m

$678

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Tue 5/5

9:30 am-3:52 pm

1 stop11h 22m

Toronto Island

Tue 5/12

12:30 pm-6:30 am

1 stop13h 00m

$680

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Mon 5/4

8:40 am-5:52 pm

2 stops14h 12m

Toronto Island

Mon 5/11

12:30 pm-7:55 am

2 stops14h 25m

$684
Quickest round-trip

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Thu 4/16

9:30 am-3:02 pm

1 stop10h 32m

Toronto Island

Thu 4/23

12:25 pm-6:30 am

1 stop13h 05m

$686

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Thu 5/7

1:50 pm-8:09 pm

2 stops35h 19m

Toronto Island

Sun 5/17

2:20 pm-6:55 am

2 stops35h 35m

$689

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Sun 5/3

2:05 pm-7:17 am

2 stops22h 12m

Toronto Island

Sun 5/10

12:20 pm-6:30 am

2 stops13h 10m

$691

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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When to book flights from London Heathrow Airport to Toronto Island Airport

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Toronto Island Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London Heathrow Airport to Toronto Island Airport (LHR to YTZ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Toronto Island Airport

Fastest flight time

11h 27m

Direct flights

None
The fastest flight from London Heathrow Airport to Toronto Island Airport takes 11h 27m
There are no direct flights from London Heathrow Airport to Toronto Island Airport. There are no popular flight routes from London Heathrow Airport to Toronto Island Airport.
Search flight deals

  • How far is London Heathrow to Toronto Island by plane?

    There are 3536.9 mi between London Heathrow and Toronto Island. Typically, this will take 11h 27m by plane in normal conditions.

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

    Prices for flights from London Heathrow Airport to Toronto Island Airport are refreshed on a daily basis.

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

    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 Toronto Island Airport.

  • What documentation or ID do you need to fly to Toronto Island Airport?

    The necessary travel and health documents for your Toronto Island Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from London Heathrow Airport to Toronto Island Airport?

    Confirm your travel details to search for the latest offers for flights from London Heathrow Airport to Toronto Island Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from London Heathrow Airport to Toronto Island Airport with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Toronto from London.

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

Flights from London to Toronto 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 London to Toronto?

momondo helps you find the best flight between London and Toronto by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of London to Toronto flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Toronto Island Airport trip

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