Windsor Castle to Heathrow Terminal 3 Buses

Windsor Castle to Heathrow Terminal 3 buses

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Trip Overview

The average bus between Windsor Castle and Heathrow Terminal 3 takes 1h 7m and the fastest bus takes 49 min. The bus service runs several times per day from Windsor Castle 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.

1h 7m
Duration: 12 mi
Distance: £5
Average price: 3 times a day
Frequency

Bus

best

Take the bus from Windsor Castle to Heathrow Terminal 5bus 703

56 min

£4–7

Windsor Castle to Heathrow Terminal 3 bus times

Buses run 3 times a day between Windsor Castle and Heathrow Terminal 3. The earliest departure is at 9:52 AM in the morning, and the last departure from Windsor Castle is at 8:22 PM which arrives into Heathrow Terminal 3 at 9:27 PM. All services require a transfer at Heathrow Terminal 5 and take an average of 1h 7m. The schedules shown below are for the next available departures.

Departing Sunday, November 15, 2026

9:52 AM → 10:41 AM
49 min • 1 change
10:52 AM → 11:42 AM
50 min • 1 change
11:22 AM → 12:13 PM
51 min • 1 change
11:52 AM → 12:47 PM
55 min • 1 change
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Frequently asked questions

Want to know about travelling from Windsor Castle 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.