
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $507 (Kiwi.com) |
One-way from | $297 (French Bee) |
Popular in | December |
Cheapest in | November |
Average price | $739 |
Good round-trip deal | $769 or less |
Good one-way deal | $665 or less |
Fly from
Fly to
Route
Depart
Return
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Wed 5/13
4:25 pm-10:40 am
2 stops13h 15m
London Heathrow
Mon 5/18
9:30 am-4:10 pm
1 stop11h 40m
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Fri 5/1
10:10 pm-10:00 am
Nonstop6h 50m
London Heathrow
Fri 5/8
9:30 am-12:00 pm
Nonstop7h 30m
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Sun 5/3
4:40 pm-8:35 am
1 stop10h 55m
London Heathrow
Sat 5/9
9:30 am-12:00 pm
Nonstop7h 30m
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Mon 3/30
10:10 pm-10:00 am
Nonstop6h 50m
London Heathrow
Tue 4/7
9:30 am-12:05 pm
Nonstop7h 35m
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Tue 5/5
1:20 pm-10:20 am
2 stops16h 00m
London Heathrow
Wed 5/6
1:45 pm-8:45 pm
1 stop12h 00m
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Thu 3/26
3:10 pm-6:30 am
1 stop11h 20m
London Heathrow
Mon 3/30
9:30 am-7:10 pm
1 stop14h 40m
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Tue 3/10
5:55 pm-1:40 pm
2 stops15h 45m
London Heathrow
Tue 3/17
8:05 pm-3:55 pm
1 stop23h 50m
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Tue 3/10
1:10 pm-8:25 am
2 stops15h 15m
London Heathrow
Tue 3/17
6:50 am-7:48 pm
2 stops16h 58m
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Sat 3/21
8:10 pm-7:10 am
Nonstop7h 00m
London Heathrow
Tue 3/31
9:00 am-6:50 pm
1 stop14h 50m
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Sun 3/22
8:10 pm-7:10 am
Nonstop7h 00m
London Heathrow
Tue 3/31
9:30 am-12:05 pm
Nonstop7h 35m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
Booking 14 days in advance of your planned departure date is, on average, the best time to get cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, November is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport (average of $447). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport in July is currently the most expensive (average of $683). 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.
When flying from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
About 23% of weekly flights between Montreal and London have experienced delays in the past year, with the average delay time being 157 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Wednesday 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.
Over the last year, Air Canada have had the lowest number of delays on this route, with just 23% of flights being delayed.
Lisbon (LIS) – chosen by Cheapflights users on 50% of 1-stop itineraries from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport on Cheapflights.
Zurich (ZRH) is the most affordable 1-stop option, with an average round-trip price of $762.
Flights via Paris (CDG) have the shortest average one-way travel time for 1-stop routes: 10h 00m.
Flights via Zurich (ZRH) offer the fastest connection on this route, with an average layover time of 0h 55m.
Crew
Food
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Reviews
Cameron,Nov 2025
PDX - LHR
Crew
Food
Entertainment
Boarding
Overall
Comfort
Reviews
Cameron,Nov 2025
PDX - LHR
Crew
Food
Entertainment
Boarding
Overall
Comfort
Reviews
Cameron,Nov 2025
PDX - LHR
Crew
Food
Entertainment
Boarding
Overall
Comfort
Reviews
Cameron,Nov 2025
PDX - LHR
Crew
Food
Entertainment
Boarding
Overall
Comfort
Reviews
Cameron,Nov 2025
PDX - LHR
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$543 | Average$716 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$549 | Average$764 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$582 | Average$771 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$587 | Average$777 | FlexibilityNo cancel fee | On-time70% |