This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — LON
15 Jul — 22 Jul1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Montreal to London are usually found in September or October, booked 65 days in advance, depart on a Sunday or Saturday and return on a Sunday
Cheap flight deals from Montreal to London
Enter your travel dates to find the best prices.
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Direct
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One-way
Cheapest flights from Montreal to London
Explore the most affordable flight options available from Montreal to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 June 2026.
Tue 1/98:35 p.m.
YUL
-
LGW
1 stop30h 20m
Air Transat
Tue 8/912:40 p.m.
LGW
-
YUL
1 stop33h 22m
Air Transat
Deal found 13/6C$ 786
Thu 1/105:00 p.m.
YUL
-
LGW
1 stop9h 55m
Air Transat
Sat 10/109:40 a.m.
LGW
-
YUL
1 stop12h 22m
Air Transat
Deal found 13/6C$ 787
Thu 10/910:05 p.m.
YUL
-
LGW
Nonstop6h 45m
Air Transat
Wed 23/911:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Air Transat
Deal found 11/6C$ 789
Thu 11/610:40 a.m.
YUL
-
LHR
1 stop14h 50m
Air Canada
Wed 17/62:05 p.m.
LHR
-
YUL
Nonstop7h 35m
Air Canada
Deal found 10/6C$ 789
Fri 3/710:05 p.m.
YUL
-
LGW
Nonstop6h 45m
Air Transat
Wed 8/79:40 a.m.
LGW
-
YUL
1 stop14h 52m
Air Transat
Deal found 14/6C$ 790
Tue 16/610:05 p.m.
YUL
-
LGW
Nonstop6h 45m
Porter Airlines
Wed 8/711:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Porter Airlines
Deal found 13/6C$ 792
Fri 12/69:20 p.m.
YUL
-
LHR
1 stop18h 40m
Air Canada
Fri 19/66:50 a.m.
LHR
-
YUL
1 stop9h 15m
Air Canada
Deal found 10/6C$ 792
Wed 9/910:05 p.m.
YUL
-
LGW
Nonstop6h 45m
Porter Airlines
Mon 28/911:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Porter Airlines
Deal found 10/6C$ 793
Tue 20/105:00 p.m.
YUL
-
LGW
1 stop12h 45m
Porter Airlines
Mon 2/1111:40 a.m.
LGW
-
YUL
1 stop17h 55m
Porter Airlines
Deal found 14/6C$ 794
Sat 21/116:30 p.m.
YUL
-
LGW
1 stop12h 50m
Multiple Airlines
Sat 28/113:25 p.m.
LGW
-
YUL
1 stop26h 05m
Multiple Airlines
Deal found 14/6C$ 796
Wed 1/78:35 p.m.
YUL
-
LGW
1 stop30h 20m
Air Transat
Wed 8/79:40 a.m.
LGW
-
YUL
1 stop15h 50m
Air Transat
Deal found 11/6C$ 797
Fri 4/910:05 p.m.
YUL
-
LGW
Nonstop6h 45m
Air Transat
Sat 12/912:40 p.m.
LGW
-
YUL
1 stop11h 52m
Air Transat
Deal found 11/6C$ 798
Best flights from Montreal to London
Discover carefully curated flight deals from Montreal to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 15 June 2026.
Wed 9/96:35 p.m.
YUL
-
LHR
2 stops13h 25m
SWISS
Thu 1/107:00 a.m.
LHR
-
YUL
1 stop12h 55m
SWISS
Deal found 10/6C$ 864
Sun 5/710:05 p.m.
YUL
-
LGW
Nonstop6h 45m
Air Transat
Thu 16/711:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Air Transat
Deal found 14/6C$ 871
Tue 18/89:30 a.m.
YUL
-
LHR
2 stops20h 10m
Delta
Fri 28/88:40 a.m.
LHR
-
YUL
1 stop13h 15m
Delta
Deal found 14/6C$ 873
Sat 14/116:30 p.m.
YUL
-
LTN
1 stop22h 55m
Multiple Airlines
Sat 21/116:15 a.m.
LTN
-
YUL
1 stop35h 15m
Multiple Airlines
Deal found 10/6C$ 874
Sat 21/111:15 p.m.
YUL
-
LHR
1 stop12h 15m
Lufthansa
Sat 28/117:40 a.m.
LHR
-
YUL
1 stop15h 40m
Lufthansa
Deal found 12/6C$ 899
Wed 26/86:50 p.m.
YUL
-
LHR
1 stop17h 45m
Virgin Atlantic
Mon 31/89:55 a.m.
LHR
-
YUL
2 stops18h 35m
Virgin Atlantic
Deal found 14/6C$ 915
Tue 22/94:25 p.m.
YUL
-
LHR
1 stop13h 00m
United Airlines
Mon 28/96:50 a.m.
LHR
-
YUL
2 stops15h 33m
United Airlines
Deal found 14/6C$ 954
Thu 2/710:00 p.m.
YUL
-
LHR
Nonstop6h 40m
British Airways
Thu 9/76:05 p.m.
LHR
-
YUL
Nonstop7h 10m
British Airways
Deal found 11/6C$ 980
Fri 10/75:00 p.m.
YUL
-
LGW
1 stop12h 45m
Porter Airlines
Thu 16/79:40 a.m.
LGW
-
YUL
1 stop19h 57m
Porter Airlines
Deal found 14/6C$ 986
Wed 12/810:45 p.m.
YUL
-
LGW
1 stop30h 00m
TAP AIR PORTUGAL
Sun 6/99:15 p.m.
LGW
-
YUL
2 stops28h 55m
TAP AIR PORTUGAL
Deal found 11/6C$ 1,053
Wed 26/86:50 p.m.
YUL
-
LCY
1 stop9h 40m
KLM
Mon 31/810:20 a.m.
LCY
-
YUL
1 stop11h 35m
KLM
Deal found 14/6C$ 1,080
Wed 9/127:55 p.m.
YUL
-
STN
1 stop15h 25m
Turkish Airlines
Sat 12/125:20 p.m.
STN
-
YUL
1 stop29h 40m
Turkish Airlines
Deal found 14/6C$ 1,640
Wed 12/87:00 p.m.
YUL
-
LHR
1 stop10h 30m
Delta
Tue 18/86:15 a.m.
LHR
-
YUL
1 stop13h 50m
Delta
Deal found 13/6C$ 881
Mon 12/104:40 p.m.
YUL
-
LGW
1 stop10h 45m
SWISS
Tue 20/109:25 a.m.
LGW
-
YUL
2 stops14h 56m
SWISS
Deal found 11/6C$ 913
Wed 7/1011:40 p.m.
YUL
-
LTN
1 stop14h 20m
Multiple Airlines
Wed 14/106:10 p.m.
LTN
-
YUL
1 stop26h 55m
Multiple Airlines
Deal found 10/6C$ 913
Sat 22/811:35 p.m.
YUL
-
LGW
Nonstop6h 45m
Air Transat
Fri 28/811:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Air Transat
Deal found 13/6C$ 922
Fri 21/810:20 p.m.
YUL
-
LHR
1 stop10h 25m
Delta
Sat 29/86:15 a.m.
LHR
-
YUL
1 stop10h 45m
Delta
Deal found 13/6C$ 881
Mon 17/810:10 p.m.
YUL
-
LHR
Nonstop6h 50m
Lufthansa
Thu 20/82:05 p.m.
LHR
-
YUL
Nonstop7h 35m
Lufthansa
Deal found 14/6C$ 982
Thu 27/83:10 p.m.
YUL
-
LGW
1 stop14h 35m
Porter Airlines
Sat 19/912:40 p.m.
LGW
-
YUL
1 stop11h 52m
Porter Airlines
Deal found 14/6C$ 989
Thu 5/118:05 a.m.
YUL
-
LHR
2 stops17h 35m
United Airlines
Mon 9/118:00 a.m.
LHR
-
YUL
2 stops14h 45m
United Airlines
Deal found 14/6C$ 989
Mon 12/1011:45 p.m.
YUL
-
SEN
1 stop27h 10m
Multiple Airlines
Wed 21/108:25 a.m.
SEN
-
YUL
1 stop13h 55m
Multiple Airlines
Deal found 12/6C$ 920
Fri 14/88:35 p.m.
YUL
-
LGW
1 stop9h 10m
Air Transat
Sat 22/811:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Air Transat
Deal found 13/6C$ 933
Mon 14/94:10 p.m.
YUL
-
STN
1 stop17h 20m
Air Algerie
Wed 16/94:00 p.m.
STN
-
YUL
1 stop27h 10m
Air Algerie
Deal found 14/6C$ 2,102
Mon 12/108:45 p.m.
YUL
-
LCY
2 stops15h 45m
SWISS
Wed 21/109:15 a.m.
LCY
-
YUL
2 stops15h 06m
SWISS
Deal found 11/6C$ 973
Wed 8/79:30 a.m.
YUL
-
LHR
1 stop15h 50m
Delta
Mon 13/712:50 p.m.
LHR
-
YUL
1 stop24h 42m
Delta
Deal found 14/6C$ 915
Tue 22/96:50 p.m.
YUL
-
LTN
1 stop14h 50m
Multiple Airlines
Wed 30/97:20 p.m.
LTN
-
YUL
1 stop21h 15m
Multiple Airlines
Deal found 12/6C$ 930
Wed 8/76:50 p.m.
YUL
-
LCY
1 stop9h 00m
KLM
Wed 15/710:00 a.m.
LCY
-
YUL
1 stop11h 55m
KLM
Deal found 14/6C$ 1,129
Wed 19/810:05 p.m.
YUL
-
LGW
Nonstop6h 45m
Air Transat
Fri 28/811:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Air Transat
Deal found 12/6C$ 962
Sun 26/72:35 p.m.
YUL
-
LGW
1 stop15h 10m
Porter Airlines
Sat 8/811:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Porter Airlines
Deal found 10/6C$ 1,066
Wed 1/710:30 a.m.
YUL
-
LCY
2 stops26h 05m
British Airways
Sun 12/78:05 p.m.
LCY
-
YUL
2 stops42h 43m
British Airways
Deal found 14/6C$ 1,186
Direct flights from Montreal to London
Explore direct flight options from Montreal to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 15 June 2026.
Thu 10/910:05 p.m.
YUL
-
LGW
Nonstop6h 45m
Air Transat
Wed 23/911:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Air Transat
Deal found 11/6C$ 789
Wed 9/910:05 p.m.
YUL
-
LGW
Nonstop6h 45m
Porter Airlines
Mon 28/911:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Porter Airlines
Deal found 10/6C$ 793
Sat 5/911:35 p.m.
YUL
-
LGW
Nonstop6h 45m
Air Transat
Mon 28/911:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Air Transat
Deal found 10/6C$ 798
Wed 9/96:40 p.m.
YUL
-
LHR
Nonstop6h 50m
Lufthansa
Thu 1/102:05 p.m.
LHR
-
YUL
Nonstop7h 35m
Lufthansa
Deal found 10/6C$ 801
Thu 30/710:05 p.m.
YUL
-
LGW
Nonstop6h 45m
Air Transat
Sat 8/811:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Air Transat
Deal found 14/6C$ 810
Tue 8/910:05 p.m.
YUL
-
LGW
Nonstop6h 45m
Porter Airlines
Mon 28/911:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Porter Airlines
Deal found 10/6C$ 812
Sun 12/710:05 p.m.
YUL
-
LGW
Nonstop6h 45m
Air Transat
Mon 10/811:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Air Transat
Deal found 14/6C$ 818
Thu 30/710:05 p.m.
YUL
-
LGW
Nonstop6h 45m
Air Transat
Sun 16/81:05 p.m.
LGW
-
YUL
Nonstop7h 40m
Air Transat
Deal found 13/6C$ 824
Thu 30/710:05 p.m.
YUL
-
LGW
Nonstop6h 45m
Air Transat
Mon 17/811:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Air Transat
Deal found 14/6C$ 825
Thu 30/710:05 p.m.
YUL
-
LGW
Nonstop6h 45m
Air Transat
Fri 14/811:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Air Transat
Deal found 13/6C$ 826
Tue 22/910:05 p.m.
YUL
-
LGW
Nonstop6h 45m
Porter Airlines
Sat 26/911:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Porter Airlines
Deal found 11/6C$ 832
Wed 9/910:05 p.m.
YUL
-
LGW
Nonstop6h 45m
Porter Airlines
Fri 2/1011:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Porter Airlines
Deal found 10/6C$ 833
Last-minute flights from Montreal to London
Discover last-minute flight deals from Montreal to London. Data last updated 15 June 2026 and is based on user searches.
Fri 12/69:20 p.m.
YUL
-
LHR
1 stop18h 40m
Air Canada
Fri 19/66:50 a.m.
LHR
-
YUL
1 stop9h 15m
Air Canada
Deal found 10/6C$ 792
Sun 14/68:35 p.m.
YUL
-
LGW
1 stop30h 20m
Porter Airlines
Mon 29/69:40 a.m.
LGW
-
YUL
1 stop14h 52m
Porter Airlines
Deal found 12/6C$ 794
Tue 16/610:05 p.m.
YUL
-
LGW
Nonstop6h 45m
Porter Airlines
Mon 6/711:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Porter Airlines
Deal found 13/6C$ 786
Tue 16/65:10 p.m.
YUL
-
LGW
1 stop12h 35m
Air Transat
Thu 2/712:40 p.m.
LGW
-
YUL
1 stop11h 40m
Air Transat
Deal found 13/6C$ 787
Tue 16/610:05 p.m.
YUL
-
LGW
Nonstop6h 45m
Porter Airlines
Wed 8/711:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Porter Airlines
Deal found 13/6C$ 792
Wed 1/78:35 p.m.
YUL
-
LGW
1 stop30h 20m
Air Transat
Wed 8/79:40 a.m.
LGW
-
YUL
1 stop15h 50m
Air Transat
Deal found 11/6C$ 797
Fri 3/710:05 p.m.
YUL
-
LGW
Nonstop6h 45m
Air Transat
Wed 8/79:40 a.m.
LGW
-
YUL
1 stop14h 52m
Air Transat
Deal found 14/6C$ 790
Fri 3/74:15 p.m.
YUL
-
LGW
1 stop13h 30m
Air Transat
Mon 6/79:40 a.m.
LGW
-
YUL
1 stop12h 40m
Air Transat
Deal found 12/6C$ 800
Thu 23/76:45 a.m.
YUL
-
LGW
1 stop20h 10m
Air Transat
Wed 5/89:40 a.m.
LGW
-
YUL
1 stop14h 40m
Air Transat
Deal found 10/6C$ 801
Mon 27/74:15 p.m.
YUL
-
LGW
1 stop13h 30m
Air Transat
Wed 5/89:40 a.m.
LGW
-
YUL
1 stop19h 57m
Air Transat
Deal found 10/6C$ 798
Tue 28/72:35 p.m.
YUL
-
LGW
1 stop15h 10m
Porter Airlines
Wed 5/89:40 a.m.
LGW
-
YUL
1 stop19h 57m
Porter Airlines
Deal found 10/6C$ 796
Wed 29/76:45 a.m.
YUL
-
LGW
1 stop20h 10m
Porter Airlines
Wed 5/89:40 a.m.
LGW
-
YUL
1 stop14h 52m
Porter Airlines
Deal found 14/6C$ 789
One-way flights from Montreal to London
Search for one-way flight options from Montreal to London. Find affordable one-way fares based on user searches. Data last updated 15 June 2026.
Sat 26/911:50 p.m.
YUL
-
STN
1 stop19h 05m
Multiple Airlines
Deal found 14/6C$ 471
Tue 23/63:10 p.m.
YUL
-
LGW
1 stop14h 35m
Porter Airlines
Deal found 11/6C$ 471
Mon 24/85:45 p.m.
YUL
-
LHR
2 stops16h 15m
Multiple Airlines
Deal found 14/6C$ 471
Fri 21/85:45 p.m.
YUL
-
LTN
3 stops18h 40m
Multiple Airlines
Deal found 13/6C$ 471
Wed 29/711:00 p.m.
YUL
-
SEN
1 stop12h 40m
Multiple Airlines
Deal found 13/6C$ 473
Sun 20/910:45 p.m.
YUL
-
LGW
2 stops16h 40m
TAP AIR PORTUGAL
Deal found 13/6C$ 473
Tue 21/75:45 p.m.
YUL
-
LHR
3 stops21h 35m
Multiple Airlines
Deal found 14/6C$ 473
Fri 24/72:05 p.m.
YUL
-
STN
2 stops22h 30m
Multiple Airlines
Deal found 10/6C$ 474
Fri 2/104:15 p.m.
YUL
-
LGW
1 stop13h 30m
Air Transat
Deal found 13/6C$ 474
Sun 12/711:00 p.m.
YUL
-
LHR
1 stop10h 15m
Multiple Airlines
Deal found 13/6C$ 474
Fri 24/72:05 p.m.
YUL
-
LTN
2 stops29h 25m
Multiple Airlines
Deal found 10/6C$ 474
Tue 14/76:45 a.m.
YUL
-
STN
3 stops31h 50m
Multiple Airlines
Deal found 12/6C$ 475
Find flight deals from Montreal to London
Discover tips and strategies to find the most affordable flight options for your journey from Montreal (YMQ) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 15 June 2026.
Customize your flight search to find flights from Montreal to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 15 June 2026.
Use the filters below to find and compare flights from Montreal to London that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest round-trip
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Wed 9/9
6:35 p.m.-1:00 p.m.
2 stops13h 25m
London Heathrow
Thu 1/10
7:00 a.m.-2:55 p.m.
1 stop12h 55m
C$ 864
MontrealLondon
YUL - LGW
YULLGW
Montreal Pierre Elliott Trudeau Intl
Sun 5/7
10:05 p.m.-9:50 a.m.
Nonstop6h 45m
London Gatwick
Thu 16/7
11:35 a.m.-2:15 p.m.
Nonstop7h 40m
C$ 871
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Tue 18/8
9:30 a.m.-10:40 a.m.
2 stops20h 10m
London Heathrow
Fri 28/8
8:40 a.m.-4:55 p.m.
1 stop13h 15m
C$ 873
MontrealLondon
YUL - LTN
YULLTN
Montreal Pierre Elliott Trudeau Intl
Sat 14/11
6:30 p.m.-10:25 p.m.
1 stop22h 55m
London Luton
Sat 21/11
6:15 a.m.-12:30 p.m.
1 stop35h 15m
C$ 874
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Wed 12/8
7:00 p.m.-10:30 a.m.
1 stop10h 30m
London Heathrow
Tue 18/8
6:15 a.m.-3:05 p.m.
1 stop13h 50m
C$ 881
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Fri 21/8
10:20 p.m.-1:45 p.m.
1 stop10h 25m
London Heathrow
Sat 29/8
6:15 a.m.-12:00 p.m.
1 stop10h 45m
C$ 881
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Sat 21/11
1:15 p.m.-6:30 a.m.
1 stop12h 15m
London Heathrow
Sat 28/11
7:40 a.m.-6:20 p.m.
1 stop15h 40m
C$ 899
MontrealLondon
YUL - LGW
YULLGW
Montreal Pierre Elliott Trudeau Intl
Mon 12/10
4:40 p.m.-8:25 a.m.
1 stop10h 45m
London Gatwick
Tue 20/10
9:25 a.m.-7:21 p.m.
2 stops14h 56m
C$ 913
MontrealLondon
YUL - LTN
YULLTN
Montreal Pierre Elliott Trudeau Intl
Wed 7/10
11:40 p.m.-7:00 p.m.
1 stop14h 20m
London Luton
Wed 14/10
6:10 p.m.-4:05 p.m.
1 stop26h 55m
C$ 913
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Wed 26/8
6:50 p.m.-5:35 p.m.
1 stop17h 45m
London Heathrow
Mon 31/8
9:55 a.m.-11:30 p.m.
2 stops18h 35m
C$ 915
Flights are sorted by cheapest round-trip flights first.
Deals found on 12/6
Showing 1-10 of 60 resultsSorted by cheapest first
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2
3
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6
Best time to book a flight from Montreal to London
Have a flexible travel schedule? Discover the best time to fly to London from Montreal with our price prediction graph.
YMQ-LON
YUL-LGW
YUL-LTN
YUL-STN
YUL-LHR
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Montreal to London
YMQ-LON
YUL-LGW
YUL-LTN
YUL-STN
YUL-LHR
What is the cheapest month to book a flight from Montreal to London?
Currently, September is the cheapest month in which you can book a flight from Montreal to London (average of C$ 817). Flying from Montreal to London in February is currently the most expensive (average of C$ 1,749). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from YMQ to LON?
Find hourly flight availability from Montreal to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 June 2026.
When flying from Montreal to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from Montreal to London
Explore weekly flight availability from Montreal to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 15 June 2026.
The most flights from YMQ to LON are scheduled on a Tuesday (20 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (13 on average).
How much does it cost to fly round-trip from Montreal to London?
What’s the top layover airport for flights from Montreal to London?
Share of one-stop round-trip flights from Montreal to London chosen by Cheapflights users in the past 12 months, using the same layover each way.
Toronto (YYZ) – chosen by Cheapflights users on 57% of one-stop itineraries from Montreal to London on Cheapflights.
What’s the cheapest layover airport for flights from Montreal to London?
Average round-trip fare for 1-stop flights from Montreal to London, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Lisbon (LIS) is the most affordable 1-stop option, with an average round-trip price of C$ 729.
What’s the fastest layover option from Montreal to London?
Shortest average travel time for 1-stop one-way flights from Montreal to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Ottawa (YOW) have the shortest average one-way travel time for 1-stop routes: 8h 45m.
Which airport typically offers the quickest layover for flights from Montreal to London?
Average layover duration for 1-stop one-way flights from Montreal to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Newark (EWR) offer the fastest connection on this route, with an average layover time of 1h 20m.
How often are flights from Montreal to London delayed?
About 20% of weekly flights between Montreal and London have experienced delays in the past year, with the average delay time being 154 minutes.
What is the most punctual flight time for Montreal to London flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Thursday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Montreal to London flights?
Over the past year, Air Transat has had the lowest number of delays on this route, with just 10% of flights being delayed.
How far ahead should I book a flight from Montreal to London?
The price you pay for your flight from Montreal to London may vary depending on when you book. For the best chance of a lower fare, look to book 22 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing London
Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 15 June 2026.
Read reviews from past customers who have flown Porter Airlines,Air Transat, andAir Canada
from Montreal to London. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Montreal to London Travel Guide
London Gatwick is an international airport that is outside the central London area. It’s actually about 30 miles from the city centre. This is the second busiest airport in the United Kingdom. Its physical footprint is about 1,670 acres.
The largest and busiest airport in the United Kingdom, and the main airport in London, is London Heathrow. This airport is actually the second busiest airport in the entire world. It’s located only 14 miles from the middle of London.
Generally you’ll find that the stopover times are only a few hours, but there are some that will make your travel time up to double what the direct flights are. You will find that the stopover flights do sometimes cost less than direct flights do for this route, but it varies.
Related info for your journey
Find useful and relevant information for your journey from Montreal to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airports serve Montreal to London flights?
You will fly from Pierre Elliott Trudeau International Airport in Montreal to London and land at either London Gatwick or London Heathrow. There are many flight options to choose from so you’ll be able to find a good fit for your trip.
Which airlines fly directly from Montreal to London?
You will be able to find direct flights from Montreal into Heathrow on Air Canada, Lufthansa, American Airlines, Iberia, Finnair, and British Airways. The flight takes 6h 35m. Lufthansa’s flight is handled by Air Canada. American Airlines, Iberia, and Finnair are all handled by British Airways.
What are the stopover options between Montreal to London?
You can fly on WestJet and you’ll stop in Toronto on your way to London Gatwick. Virgin Atlantic has flights to London Heathrow that stop in Amsterdam or at JFK in New York. Other stops include Newark or Paris.
Do I need a passport or visa to fly from Montreal to London?
You will need your passport to visit London. You will not, however, need to get a visa for traveling to London for pleasure. The authority will stamp your passport upon arrival and that will allow you to stay for up to six months. Staying longer than that or traveling for any other reason may require a visa.
How long is the flight from Montreal to London?
A quick flight from Montreal to London can take about 6h 45m. SWISS provides one of the quickest options available for as low as C$ 871. Montreal and London are separated by a distance of 5243 km. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines flying from Montreal to London round-trip?
Flying on Air Transat is currently your cheapest option to London, with prices starting at C$ 664. Additional round-trip tickets that might be worth considering are offered by TAP AIR PORTUGAL and Porter Airlines, with the lowest prices starting at C$ 689 and C$ 742, respectively. Air Transat is currently priced 31% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Montreal to London one-way?
The cheapest airlines for a one-way flight from Montreal to London are Air Transat (C$ 330), TAP AIR PORTUGAL (C$ 396), and Lufthansa (C$ 441).
What are the most popular routes from Montreal to London?
When deciding which route to take from Montreal to London consider Montreal Pierre Elliott Trudeau Intl - London Heathrow, Montreal Pierre Elliott Trudeau Intl - London Gatwick or Montreal Pierre Elliott Trudeau Intl - London Stansted as they are the most popular.
What are the most reliable airlines from Montreal to London?
Before booking your flight to London from Montreal, check out the most reliable airlines to get you to your destination on time: Austrian Airlines (90%), United Airlines (90%), Lufthansa( 90%).
What are the cheapest flights from Montreal to London?
The cheapest flight price from Montreal to London is C$ 856. On average you can expect to pay C$ 1,692. The most popular route, (Montreal Pierre Elliott Trudeau Intl - London Heathrow), can usually be booked for C$ 755.
Can I find deals for business class flights from Montreal to London?
Yes. Cheapflights offers flight deals from Montreal to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Montreal to London?
Currently, September is the cheapest month in which you can book a flight from Montreal to London (average of C$ 817). Flying from Montreal to London in February is currently the most expensive (average of C$ 1,749). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Book flights to London if you plan to visit one of these locations
Gatwick
Romford
Twickenham
Ilford
Bromley
Sutton
Hounslow
Slough
Marlow
Cobham
Watford
Luton
High Wycombe
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Fly from Montreal to London on these airlines
Choose from the following airlines for your flight from Montreal to London. Flights are based on user searches made on Cheapflights and were last updated on 15 June 2026.
Discover the top 8 airlines that operate flights from Montreal to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 15 June 2026.
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How does Cheapflights help users find flights from Montreal to London?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Montreal to London. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Montreal to London?
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Can Cheapflights find flights from Montreal to London with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Montreal to London, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Montreal to London become cheaper?
Yes! Start tracking prices for Montreal to London flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.
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