An Anytime web single ticket fare is £25, only available online and is valid at anytime. An Anytime single ticket fare is £25 if bought offline from a Ticket Vending Machine, a sales agent or a ticket office. We are eliminating time restrictions and there will no longer be any peak or off peak times in Heathrow Express.We have Fixed Date Saver Tickets in advance and you can save up to 34% off Express Saver fares. By booking your Heathrow Express journey in advance, you could get a one-way ticket from just £16.50**. Limited availability. Tickets are non-exchangeable and non-refundable.