The average bus between Hemel Hempstead and Heathrow Terminal 3 takes 1h 57m and the fastest bus takes 1h 26m. There is a bus service every few hours from Hemel Hempstead to Heathrow Terminal 3. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run hourly between Hemel Hempstead and Heathrow Terminal 3. The earliest departure is at 5:47 AM in the morning, and the last departure from Hemel Hempstead is at 9:23 PM which arrives into Heathrow Terminal 3 at 11:39 PM. All services require a transfer at Watford Junction and take an average of 1h 57m. The schedules shown below are for the next available departures.

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1h 26m • 1 change
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1h 56m • 1 change
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2h 8m • 1 changeWant to know about travelling from Hemel Hempstead to Heathrow Terminal 3? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from Hemel Hempstead to Heathrow Terminal 3. However, there are services departing from Watford Junction station and arriving at Heathrow Terminal 3 station via Heathrow Terminal 3 station. The journey, including transfers, takes approximately 1h 57m.
Hemel Hempstead to Heathrow Terminal 3 bus services, operated by First Berkshire & The Thames Valley, depart from Watford Junction station.
Hemel Hempstead to Heathrow Terminal 3 bus services, operated by First Berkshire & The Thames Valley, arrive at Heathrow Terminal 3 station.
The distance between Hemel Hempstead and Heathrow Terminal 3 is 31.3 km. The road distance is 39 km.
First Berkshire & The Thames Valley operates a bus from Watford Junction station to Heathrow Terminal 3 every 20 minutes. Tickets cost £3–4 and the journey takes 52 min.