Fares between Paddington and Hayes & Harlington were the same as for GWR services, but the single fare between Hayes and Heathrow was £6.30 . Oyster cards, Travelcards and Freedom Passes were not valid between Hayes & Harlington and Heathrow, but could be used throughout the rest of the route. When the service was first introduced in 2005, the fare for the journey from Hayes to Heathrow was £6, which at £2 per mile made it one of the most expensive train journeys in the world.