It claims to be the first major airline to offset all its flights.
An easyJet flight to London clipped the the back of a Dutch KLM flight at Amsterdam's Schiphol airport on Tuesday morning.
EasyJet said it would incur "softness" to its forecast for its second quarter of results while Siemens said it was also concerned as Brexit uncertainty continues.
Airline Iberia is facing some Brexit turbulence.
Cabin crews in Germany, Belgium, Portugal, the Netherlands, Spain and Italy, as well as pilots in Germany, staged a 24-hour walkout on Friday
More than 2,600 flights were cancelled in April, May and June and Easyjet argued that EU law was being breached after flights were not protected over France
Ryanair and EasyJet have been forced to cancel hundreds of flights this weekend due to French air strikes.