The Piccadilly line is the London Underground route serving Heathrow Terminals 2 & 3, Terminal 4 and Terminal 5, linking the airport with central and west London through the wider Tube network.
Quick facts
- Best for: Budget-conscious Heathrow transfers, Visitors staying near Piccadilly line stations
- Known for: Direct Underground service between Heathrow and central London with standard TfL pay-as-you-go access.
Why it ranks
The Piccadilly line gives visitors a direct Heathrow-to-central-London Tube option with broad onward connections and low-cost pay-as-you-go travel, but it is less comfortable with heavy luggage and can involve longer in-train time than dedicated airport rail.
Location and links
Service area and category
- City: London
- Country: United Kingdom
- Service area: London and Heathrow Airport
- Category: London Underground airport connection
Editorial summary
The Piccadilly line is the London Underground route serving Heathrow Terminals 2 & 3, Terminal 4 and Terminal 5, linking the airport with central and west London through the wider Tube network.