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
Please note: transfer for connecting flight
Outbound
12/19/25
1 Stopover (YYC)
F80621, WS0002
17h 40min
Return
-
Flair Airlines, Westjet
$621
Toronto
London Heathrow
Outbound
04/01/26
1 Stopover (LIS)
TP0258, TP1368
17h 00min
Return
04/14/26
1 Stopover (LIS)
TP1369, TP0257
23h 10min
TAP Air Portugal ?
$521
Best option
Toronto
London Heathrow
Outbound
04/01/26
1 Stopover (LIS)
TP0262, TP1368
11h 40min
Return
04/14/26
1 Stopover (DUB)
EI0153, EI0127
12h 00min
TAP Air Portugal
$603
Toronto
London Heathrow
Outbound
04/01/26
2 Stopovers (MEX, DXB)
AC0993, EK0256, EK0007
53h 20min
Return
04/14/26
2 Stopovers (DXB, MEX)
EK0032, EK0255, AC0990
76h 30min
Air Canada, Emirates Airline
$3,025
Toronto
London Heathrow
Outbound
04/01/26
1 Stopover (LIS)
TP0258, TP1364
20h 15min
Return
04/14/26
1 Stopover (LIS)
TP1369, TP0257
23h 10min
TAP Air Portugal
$524
Toronto
London Heathrow
Outbound
04/01/26
1 Stopover (LIS)
TP0258, TP1368
17h 00min
Return
04/14/26
1 Stopover (LIS)
TP1369, TP0257
23h 10min
TAP Air Portugal
$538
Toronto
London Heathrow
Outbound
04/01/26
1 Stopover (LIS)
TP0258, TP1352
14h 10min
Return
04/14/26
1 Stopover (LIS)
TP1369, TP0257
23h 10min
TAP Air Portugal ?
$549
Toronto
London Heathrow
Outbound
04/01/26
1 Stopover (LIS)
TP0258, TP1356
11h 45min
Return
04/14/26
1 Stopover (LIS)
TP1357, TP0261
31h 20min
TAP Air Portugal ?
$578
Toronto
London Heathrow
Outbound
04/01/26
1 Stopover (KEF)
FI0604, FI0454
15h 55min
Return
04/14/26
1 Stopover (KEF)
FI0451, FI0603
11h 05min
Icelandair ?
$634
Toronto
London Heathrow
Outbound
04/01/26
1 Stopover (DUB)
EI0126, EI0158
12h 50min
Return
04/14/26
1 Stopover (DUB)
EI0155, EI0127
11h 00min
Aer Lingus Irish Airlines ?
$640
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

Favorite airline: Aer Lingus
56 % of flights from Toronto to London Heathrow are booked with Aer Lingus.
Aer Lingus
56 %
Air Canada
14 %
British Airways
10 %
Cheapest weekday: Saturday
Compared to other weekdays, flights are cheapest on Saturday.
Stopover flights are the cheapest connection
On this route, direct flights are $171.00 more expensive than flights with a stopover.
non stop flight
1 stop
2 stops
07h 05min
11h 45min
19h 10min
$577
$406
$1,184
Favourite connection: via Dublin
The most popular route is via Dublin and is booked by 69 % of all travelers.
Route
bookings
1 stopover Dublin
11h 45min, from $406
69 %
Direct flights
07h 05min, from $577
24 %
1 stopover Reykjavik-Keflavik International
18h 20min, from $563
4 %

Important flight information

Flight information: Toronto - London Heathrow

Cheapest outbound flight from $620.50
Roundtrip from $520.90
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 - Lester B. Pearson International Airport (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
Flight destinations with a similar price
Flight destinations with a similar price