Currently, the most affordable month to book a British Airways flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport in January, with an average price of C$ 560. Conversely, traveling with British Airways from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport in July will be the most expensive, with an average cost of C$ 951. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
January
C$ 760
February
C$ 830
March
C$ 921
April
C$ 923
May
C$ 1,020
June
C$ 1,122
July
C$ 1,290
August
C$ 1,104
September
C$ 982
October
C$ 910
November
C$ 894
December
C$ 980
LON Temperature | 4 - 17 °C |
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If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).
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