At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Heathrow and Lille for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.
Heathrow will have less rainfall in 2 compared to Lille over the next 22 days.
With an average temperature of 24 °C, peak weather can be found in July. As a traveller, expect to see changes in flight prices during that period. The temperatures in Lille are the same as in Heathrow.