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Watford Junction to Heathrow Terminal 3 buses

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Trip Overview

The average bus between Watford Junction and Heathrow Terminal 3 takes 47 min and the fastest bus takes 38 min. The bus service runs several times per day from Watford Junction 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.

47 min
Duration
23 mi
Distance
£3
Average price
Every 4 hours
Frequency

Watford Junction to Heathrow Terminal 3 bus times

Buses run every 4 hours between Watford Junction and Heathrow Terminal 3. The earliest departure is at 4:07 AM at night, and the last departure from Watford Junction is at 10:58 PM which arrives into Heathrow Terminal 3 at 11:39 PM. All services run direct with no transfers required, and take on average 47 min. The schedules shown below are for the next available departures.

Departing Sunday, November 8, 2026

  •  → 

    bus bus 41 min • Direct

Departing Sunday, November 15, 2026

  •  → 

    bus bus 38 min • Direct
  •  → 

    bus bus 38 min • Direct
  •  → 

    bus bus 45 min • Direct
  •  → 

    bus bus 47 min • Direct
  • Show more

Frequently asked questions

Want to know about travelling from Watford Junction 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.

Map of how to get from Watford Junction to Heathrow Terminal 3.ExpandLaunch map view
  • Distance: 22.8 mi
  • Duration: 47 min

What companies run services between Watford Junction, England and Heathrow Terminal 3, England?

First Berkshire & The Thames Valley operates a bus from Watford Junction station to Heathrow Terminal 3 hourly. Tickets cost £3–4 and the journey takes 52 min.

Operators