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
19/02/26
1 Stopover (CDG)
AF1335, AF0344
11h 25min
Return
22/02/26
1 Stopover (YYZ)
KL9619, KL4843
21h 50min
Air France ?
£349
Best option
London
Montreal
Outbound
25/12/25
direct
LH6838
07h 45min
Return
13/01/26
direct
LH6839
06h 40min
Lufthansa ?
£425
London
Montreal
Please note: transfer for connecting flight
Outbound
22/12/25
2 Stopovers (CDG, DTW)
U28407, KL2142, KL5999
35h 34min
Return
10/01/26
1 Stopover (CDG)
AF0345, U28412
11h 00min
easyJet, KLM
£560
London
Montreal
Outbound
19/02/26
1 Stopover (ZRH)
LX0457, LX0086
30h 40min
Return
22/02/26
1 Stopover (ZRH)
LX0087, LX0466
20h 55min
Swiss International Air Lines
£368
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
19/02/26
1 Stopover (ZRH)
LX0461, LX0086
10h 55min
Return
22/02/26
1 Stopover (ZRH)
LX0087, LX0466
20h 55min
Swiss International Air Lines
£370
London
Montreal
Outbound
19/02/26
1 Stopover (ZRH)
LX0461, LX0086
10h 55min
Return
22/02/26
1 Stopover (ZRH)
LX0087, LX0466
20h 55min
Swiss International Air Lines
£372
London
Montreal
Outbound
20/03/26
1 Stopover (YYZ)
TS0123, TS7805
16h 55min
Return
17/04/26
1 Stopover (YYZ)
TS7802, TS0122
23h 00min
Air Transat
£379
London
Montreal
Outbound
19/02/26
1 Stopover (ZRH)
LX0461, AC6821
10h 55min
Return
22/02/26
1 Stopover (ZRH)
LX0087, LX0466
20h 55min
Swiss International Air Lines, Air Canada
£380
London
Montreal
Outbound
20/03/26
1 Stopover (YYZ)
TS0123, TS7811
25h 40min
Return
17/04/26
1 Stopover (YYZ)
TS7802, TS0122
23h 00min
Air Transat
£382
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 £ 348,72
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