Heathrow Express trains, routes and tickets
Heathrow Express links London Paddington with Heathrow Airport. It is an airport express option with its own fares, distinct from the Elizabeth line and Piccadilly line. The service is most usefully compared as part of the whole journey from the starting address to the required terminal, including transfers and airport check-in time.
Reviewed 6 November 2026.
About the operator
Heathrow Express is an established airport rail brand rather than a general suburban network. Its role is the Paddington–Heathrow connection, while other operators provide stopping services on the Great Western corridor and alternative journeys into central London.
National Rail lists Heathrow Express as a current train company. Do not confuse it with the former Heathrow Connect brand or assume that a ticket for another Heathrow rail service is automatically valid on the express. The terminal and fare details should be checked on the current operator website.
Routes and principal stations
Paddington to the central terminals
Heathrow Express serves the shared railway station for Terminals 2 and 3. The final walk to the airline’s terminal still takes time. At Paddington, allow for the transfer from an arriving GWR train, the Underground or the Elizabeth line.
Terminal 5
The express also serves Heathrow Terminal 5. Check the terminal on the flight booking rather than choosing a railway station only by airport name. If meeting an arriving passenger, confirm both the terminal and the expected time after baggage collection.
Terminal 4 connection
The operator directs Terminal 4 passengers to a free Elizabeth line transfer from the Terminals 2 and 3 station. Include that transfer and waiting time in the plan; Heathrow Express does not run directly between Paddington and Terminal 4.
Planning your journey
Compare the complete trip, not only the advertised airport-to-terminal train time. Reaching Paddington from another part of London may add a Tube journey or a substantial walk. An alternative rail route can sometimes be more convenient for a different starting point.
Plan backwards from the airline’s requested arrival time and allow a margin for disruption. After a flight, an uncertain arrival or baggage delay may affect the usefulness of a service-specific ticket, so review the ticket’s flexibility before purchase.
Keep luggage manageable and check the station’s live departure screens. On the return trip, make sure the train is the service covered by your ticket; Heathrow stations are served by more than one rail brand.
If using a free inter-terminal rail transfer, follow the airport’s ticket or touch-in instructions. Free travel does not mean bypassing ticket gates or omitting the required validation.
Tickets and journey choices
Heathrow Express has dedicated fare conditions and offers several ways to pay. Compare its express fare with other airport rail options rather than assuming London’s ordinary zonal fare rules apply. Check the current conditions for Oyster, contactless, discounts and any advance-purchase product before deciding how to pay.
Accessibility and assistance
The operator publishes an Accessible Travel Policy covering stations, trains and support. Discuss the transfer between rail assistance and airport assistance if both are needed. Check the correct terminal, lift availability and any boarding help, and arrange airline assistance separately under the airline’s procedures.
Sources and further information
Use the current operator's information to check the latest timetable, disruption and assistance arrangements for your travel date.