Refunds 

If you booked your ticket(s) through heathrowexpress.com please click here to refund your unused ticket(s). If you purchased your ticket through the Heathrow Express App please refund your unused tickets) via the 'My tickets' section of the App. Only part used tickets and tickets purchased via Ticket Vending Machines and Sales Advisers at Heathrow can be processed via this contact form.