From Heathrow Airport
(140) to Harrow Bus Station.
Piccadilly Line via Rayners Lane.
From Gatwick Airport
Gatwick Express to Victoria then by Underground to Harrow-on-the-Hill Tube Station (Metropolitan Line).
From Luton Airport
Take the intercity to St Pancras then the Underground (Metropolitan Line to Harrow-on-the-Hill station).
Take the fast train to Liverpool Street then the Metropolitan Line to Harrow-on-the-Hill station.