Heathrow to Harwell Buses

Heathrow to Harwell buses

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Trip Overview

The average bus between Heathrow and Harwell takes 3h 3m and the fastest bus takes 2h 22m. There is an hourly bus service from Heathrow to Harwell. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

3h 3m
Duration: 68 mi
Distance: £34
Average price: Hourly
Frequency

Bus

best

Take the bus from Heathrow Central Bus Station to St Aldatesbus Oxf
Take the bus from St Aldates to Parkway Stationbus X32

2h 31m

£29–40

Heathrow to Harwell bus times

Buses run hourly between Heathrow and Harwell. The earliest departure is at 1:55 AM at night, and the last departure from Heathrow is at 8:50 PM which arrives into Harwell at 5:39 AM. All services require a transfer at St Aldates and take an average of 3h 3m. The schedules shown below are for the next available departures.

Departing Thursday, October 15, 2026

4:20 PM → 7:15 PM
2h 55m • 2 changes
5:00 PM → 7:59 PM
2h 59m • 2 changes
5:20 PM → 8:16 PM
2h 56m • 2 changes
6:20 PM → 9:16 PM
2h 56m • 2 changes
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Departing Friday, October 16, 2026

1:55 AM → 6:28 AM
4h 33m • 2 changes
3:55 AM → 7:10 AM
3h 15m • 2 changes
4:50 AM → 7:25 AM
2h 35m • 2 changes
5:50 AM → 8:24 AM
2h 34m • 2 changes
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Departing Saturday, October 17, 2026

4:50 AM → 7:54 AM
3h 4m • 2 changes
5:50 AM → 8:49 AM
2h 59m • 2 changes
6:50 AM → 9:49 AM
2h 59m • 2 changes
7:40 AM → 10:49 AM
3h 9m • 2 changes
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Frequently asked questions

Want to know about travelling from Heathrow to Harwell? 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.