Heathrow to Harwell Buses

Heathrow to Harwell buses

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Trip Overview

The average bus between Heathrow and Harwell takes 2h 57m and the fastest bus takes 2h 29m. The bus runs at least 2 times per hour 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.

2h 57m
Duration: 68 mi
Distance: £16
Average price: Every 30 minutes
Frequency

Bus

best

Take the bus from Heathrow Central Bus Station to St Aldatesbus Oxf
Take the bus from St Aldates to Parkway Stationbus X2 / ...

2h 46m

£13–19

Heathrow to Harwell bus times

Buses run every 30 minutes between Heathrow and Harwell. The earliest departure is at 3:55 AM at night, and the last departure from Heathrow is at 11:55 PM which arrives into Harwell at 5:24 AM. All services require a transfer at St Aldates and take an average of 2h 57m. The schedules shown below are for the next available departures.

Departing Thursday, September 3, 2026

5:40 PM → 8:16 PM
2h 36m • 2 changes
6:20 PM → 9:16 PM
2h 56m • 2 changes
7:15 PM → 10:16 PM
3h 1m • 2 changes
8:20 PM → 11:16 PM
2h 56m • 2 changes
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Departing Friday, September 4, 2026

3:55 AM → 6:28 AM
2h 33m • 2 changes
4:50 AM → 7:25 AM
2h 35m • 2 changes
5:50 AM → 8:28 AM
2h 38m • 2 changes
6:50 AM → 9:34 AM
2h 44m • 2 changes
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Departing Saturday, September 5, 2026

3:55 AM → 7:24 AM
3h 29m • 2 changes
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
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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.