Flights from Toronto to London Heathrow

Our cheapest offers for flights from Toronto to London Heathrow

Here you can compare cheap flights from Toronto (YYZ) to London Heathrow (LHR) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to London Heathrow. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Toronto
London Heathrow
Outbound
21/06/26
1 Stopover (LIS)
TP0262, TP1356
30h 25min
Return
-
TAP Air Portugal
£307
found 3 days ago
Toronto
London Heathrow
Outbound
31/01/26
direct
AC0858
07h 20min
Return
03/02/26
1 Stopover (ZRH)
AC6818, AC0881
12h 05min
Air Canada
£419
Best option
Toronto
London Heathrow
Outbound
02/02/26
direct
LH6589
07h 20min
Return
06/02/26
direct
LH6586
08h 10min
Lufthansa ?
£469
Toronto
London Heathrow
Please note: transfer for connecting flight
Outbound
31/01/26
1 Stopover (YYC)
F80621, WS0002
17h 40min
Return
03/02/26
1 Stopover (AMS)
KL1006, KL0695
12h 30min
Flair Airlines, Westjet
£613
Toronto
London Heathrow
Outbound
20/03/26
2 Stopovers (MEX, DXB)
AC0993, EK0256, EK0005
67h 35min
Return
17/04/26
2 Stopovers (DXB, MEX)
EK0006, EK0255, AC0990
74h 05min
Air Canada, Emirates Airline
£2,073
Toronto
London Heathrow
Outbound
31/01/26
direct
AC0858
07h 20min
Return
03/02/26
1 Stopover (ZRH)
AC6818, AC0881
12h 05min
Air Canada
£420
Toronto
London Heathrow
Outbound
31/01/26
direct
AC0858
07h 20min
Return
03/02/26
1 Stopover (ZRH)
AC6818, AC0881
12h 05min
Air Canada
£428
Toronto
London Heathrow
Outbound
20/03/26
1 Stopover (DUB)
EI0126, EI0158
13h 00min
Return
17/04/26
1 Stopover (DUB)
EI0155, EI0127
11h 00min
Aer Lingus Irish Airlines ?
£436
Toronto
London Heathrow
Outbound
20/03/26
2 Stopovers (JFK, CPH)
SK3511, SK0916, SK0501
17h 10min
Return
17/04/26
2 Stopovers (ARN, CPH)
SK0534, SK1421, SK0949
23h 35min
SAS Scandinavian Airlines ?
£445
Toronto
London Heathrow
Outbound
20/03/26
1 Stopover (LIS)
TP0262, TP1366
18h 55min
Return
17/04/26
1 Stopover (DUB)
EI0155, EI0127
11h 00min
TAP Air Portugal
£446
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Toronto to London Heathrow

Favourite airline: Icelandair
Flight tickets on the route Toronto – London Heathrow are most frequently booked with Icelandair.
Icelandair
40 %
Aer Lingus
30 %
Air Canada
15 %
Direct flights are more expensive
Direct flights on this route are £149.00 more expensive on average than flights with a stopover.
non stop flight
1 stop
2 stops
07h 05min
18h 45min
23h 50min
640 £
491 £
699 £
Favourite connection: via Reykjavik-Keflavik
On this flight route, flights with a stopover in Reykjavik-Keflavik are the most popular.
Route
bookings
1 stopover Reykjavik-Keflavik International
18h 45min, from 491 £
47 %
1 stopover Dublin
12h 40min, from 583 £
35 %
Direct flights
07h 05min, from 640 £
12 %

Important flight information

Flight information: Toronto - London Heathrow

Cheapest outbound flight from 306,50 £
Outbound and return from 418,99 £
Flight duration min. 06:55 / max. 07:05
Return flight duration min. 07:55/ max. 08:05
Distance 5713 km
Flights per week 44
Departure airport Airport Toronto Pearson (YYZ)
Departure country Flights from Canada
Arrival airport Airport London Heathrow (LHR)
Destination country Flights to United Kingdom
Alternative routes to United Kingdom
Alternative flights to London Heathrow
Popular destinations for onward travel
Flight destinations with a similar price