Yes, you can cancel your Jet2 flight online through the Manage My Booking section on the Jet2 website or app. Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK) After logging in, you can select the option to cancel your booking, which will initiate an email confirmation process. Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK) You'll need to click a link in the email to finalize the cancellation, but be aware that scheduled Jet2 flights are non-refundable, and there are cancellation fees and potential losses for components of the holiday, so it may be cheaper to make changes to the booking instead.