Cheap First Class flights to London Heathrow Airport
YYZ — LHR
4 May — 11 May1
Round-trip
1 adult
First
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Easily find flight tickets with no change feesCheap first class flights to London Heathrow Airport in 2025
Find the latest flights to London Heathrow Airport in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 629,999 searches and data were last updated on 29 April 2025.
Find first class flight deals to London Heathrow Airport
Best first class flights to HeathrowDiscover carefully curated first class flight deals to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 29 April 2025.
Discover carefully curated first class flight deals to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 29 April 2025.
Wed 18/64:40 p.m.YUL - LHR
1 stop23h 40mMultiple Airlines
Deal found 28/4C$ 10,502
Travel insights for first class flights from Canada to Heathrow
Get recent, data-driven insights about first class flights from Canada to Heathrow including ideal travel times, pricing trends, and more.
Rainfall in Heathrow by month
Plan your trip to Heathrow by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 mm per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.
Temperature in Heathrow by month
Plan your trip to Heathrow by taking into account the average temperature totals by month.
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).