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
15/10/25
1 Stopover (ZRH)
LX0317, LX0086
11h 20min
Return
22/11/25
1 Stopover (ZRH)
LX0087, LX0324
18h 30min
Swiss International Air Lines
£303
Best option
London
Montreal
Outbound
01/09/25
direct
BA0095
07h 10min
Return
13/09/25
direct
BA0094
06h 40min
British Airways
£394
London
Montreal
Outbound
14/10/25
2 Stopovers (FRA, YYZ)
LH0903, DE2402, WS0598
18h 57min
Return
21/11/25
2 Stopovers (YYZ, FRA)
WS0817, DE2403, LH0904
22h 45min
Lufthansa, Condor, Westjet
£803
London
Montreal
Outbound
15/10/25
1 Stopover (ZRH)
LX0317, LX0086
11h 20min
Return
22/11/25
1 Stopover (ZRH)
LX0087, LX0324
18h 30min
Swiss International Air Lines
£305
London
Montreal
Outbound
14/10/25
direct
TS0729
07h 40min
Return
21/11/25
1 Stopover (YYZ)
TS7828, TS0122
11h 00min
Air Transat ?
£321
London
Montreal
Outbound
12/10/25
1 Stopover (YYZ)
TS0123, TS7889
13h 37min
Return
19/11/25
1 Stopover (YYZ)
TS7828, TS0122
11h 00min
Air Transat ?
£337
London
Montreal
Outbound
18/10/25
1 Stopover (FRA)
LH0921, LH0478
14h 30min
Return
25/11/25
1 Stopover (ZRH)
LX0087, LX0316
10h 15min
Lufthansa
£339
found 3 days ago
London
Montreal
Outbound
18/10/25
1 Stopover (FRA)
LH0923, LH0478
13h 30min
Return
25/11/25
1 Stopover (ZRH)
LX0087, LX0316
10h 15min
Lufthansa
£343
found 3 days ago
London
Montreal
Outbound
14/10/25
direct
TS0729
07h 40min
Return
21/11/25
1 Stopover (YYZ)
TS7828, TS0122
11h 00min
Air Transat
£347
London
Montreal
Outbound
15/10/25
1 Stopover (ZRH)
LX0317, LX0086
11h 20min
Return
22/11/25
1 Stopover (ZRH)
LX0087, LX0324
18h 30min
Swiss International Air Lines
£351
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 £GB
388 £GB
596 £GB
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 £GB
29 %
Direct flights
07h 40min, from 394 £GB
24 %
1 stopover Amsterdam Schiphol
28h 40min, from 503 £GB
9 %

Important flight information

Flight information: London - Montreal

Outbound and return from 302,99 £GB
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