Flights from London to Montreal

Our cheapest offers for flights from London to Montreal

Here you can compare cheap flights from London (LON) to Montreal (YMQ) 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 Montreal. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
London
Montreal
Outbound
31/01/26
1 Stopover (YYZ)
TS0123, TS7811
26h 40min
Return
03/02/26
1 Stopover (YYZ)
TS7724, TS0122
14h 15min
Air Transat
£358
Best option
London
Montreal
Outbound
26/12/25
direct
LH6838
07h 45min
Return
08/01/26
direct
LH6839
06h 40min
Lufthansa ?
£414
London
Montreal
Please note: transfer for connecting flight
Outbound
31/01/26
1 Stopover (ORY)
VY6949, BF0760
28h 25min
Return
03/02/26
1 Stopover (CDG, ORY)
TS0110, VY6948
17h 25min
Vueling Airlines, French Bee
£456
London
Montreal
Outbound
25/12/25
1 Stopover (YHZ)
AC0869, AC0667
13h 35min
Return
03/01/26
direct
AC0864
06h 40min
Air Canada
£2,259
London
Montreal
Outbound
26/12/25
1 Stopover (ZRH)
AC6818, AC6821
11h 10min
Return
06/01/26
2 Stopovers (YOW, YHZ)
AC8011, AC2576, AC0868
46h 45min
Air Canada
£362
London
Montreal
Outbound
31/01/26
1 Stopover (YYZ)
TS0123, TS7805
17h 55min
Return
03/02/26
1 Stopover (YYZ)
TS7801, TS0122
11h 20min
Air Transat
£364
London
Montreal
Outbound
27/12/25
1 Stopover (ZRH)
LX0345, LX0086
14h 10min
Return
07/01/26
1 Stopover (YHZ)
AC0670, AC0868
17h 50min
Swiss International Air Lines ?
£365
London
Montreal
Outbound
31/01/26
1 Stopover (YYZ)
TS0123, TS7811
26h 40min
Return
03/02/26
1 Stopover (YYZ)
TS7801, TS0122
11h 20min
Air Transat
£365
London
Montreal
Outbound
26/12/25
1 Stopover (ZRH)
AC6818, AC6821
11h 10min
Return
06/01/26
2 Stopovers (YOW, YHZ)
AC8011, AC2576, AC0868
46h 45min
Air Canada
£365
London
Montreal
Outbound
26/12/25
1 Stopover (ZRH)
AC6818, AC6821
11h 10min
Return
06/01/26
2 Stopovers (YOW, YHZ)
AC8007, AC8066, AC0868
50h 20min
Air Canada
£366
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from London to Montreal

Favourite airline: Air Transat
57 % of flights booked on the route from London to Montreal are booked with Air Transat, Air Canada and TAP Portugal.
Air Transat
38 %
Air Canada
10 %
TAP Portugal
9 %
Cheapest weekday: Tuesday
Flight prices fluctuate during the week. Flights are cheapest on   Tuesday by 13 %.
Stopover flights are the cheapest connection
Compared to direct flights, flights with a stopover on this route are on average 2 % cheaper.
non stop flight
1 stop
2 stops
07h 40min
16h 15min
19h 33min
394 £
388 £
596 £
Favourite connection: via Toronto
Stopover flights on this route are especially popular via Toronto, making up 29 % of bookings.
Route
bookings
1 stopover Toronto Pearson
16h 15min, from 388 £
29 %
Direct flights
07h 40min, from 394 £
24 %
1 stopover Amsterdam Schiphol
28h 40min, from 503 £
9 %

Important flight information

Flight information: London - Montreal

Outbound and return from 357,99 £
Flight duration min. 07:25
Return flight duration min. 06:35/ max. 06:40
Distance 5224 km
Flights per week 16
Departure airport Airport London (LCY, LGW, LHR, LTN, STN, SEN) (LON)
Arrival airport Airport Montreal, Metropolitan Area - (YUL, YMX, YHU) (YMQ)
Destination country Flights to Canada
Alternative routes to Canada
Flight destinations with a similar price