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
Pay attention to transfer at connecting flight
Outbound
30/09/25
2 Stopovers (ORY, CDG, YYZ)
VY8945, TS0189, TS0431
26h 30min
Return
-
Vueling Airlines, Air Transat
£285
London
Montreal
Outbound
24/10/25
1 Stopover (FRA)
LH0919, LH0478
25h 30min
Return
01/12/25
1 Stopover (ZRH)
LX0087, LX0340
23h 50min
Lufthansa
£285
Best option
London
Montreal
Outbound
14/10/25
direct
BA0095
07h 10min
Return
21/11/25
direct
BA0094
06h 50min
British Airways ?
£403
London
Montreal
Outbound
21/10/25
2 Stopovers (FRA, YYZ)
LH0903, DE2402, WS0598
18h 57min
Return
28/11/25
2 Stopovers (YYZ, FRA)
WS0817, DE2403, LH0904
23h 00min
Lufthansa, Condor, Westjet
£786
London
Montreal
Outbound
07/10/25
direct
TS0729
07h 40min
Return
14/10/25
1 Stopover (YYZ)
TS7802, TS0122
23h 00min
Air Transat
£302
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
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
19/02/26
1 Stopover (CDG)
AF1335, AF0344
11h 25min
Return
22/02/26
1 Stopover (YYZ)
KL9619, KL4843
21h 50min
Air France ?
£349
London
Montreal
Outbound
19/02/26
1 Stopover (ZRH)
LX0317, LX0086
11h 10min
Return
22/02/26
direct
AC0864
06h 35min
Swiss International Air Lines
£369
London
Montreal
Outbound
08/12/25
1 Stopover (ZRH)
AC6818, AC6821
11h 15min
Return
24/12/25
1 Stopover (YHZ)
AC0664, AC0868
26h 10min
Air Canada
£376
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

Cheapest outbound flight from £ 284,99
Outbound and return from £ 284,99
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