Getting to Windsor Castle from London is easy. There's a good bus service to Windsor that is probably the best option since the same service also connects the castle with Legoland Windsor. Regular trains from central London mean you've got a choice of transportation options and good connections to other destinations in the Southeast. Use these information resources to consider how you'll go and to plan your trip.
How to Get There
Greenline Service No. 702 is probably the most comfortable way to get to Windsor for the Castle and for Legoland, especially if you have kids in tow. Frequent buses leave from Victoria Colonnades, near London Victoria Coach Station roughly every half hour during the day, seven days a week. The journey takes about an hour. In 2016, round-trip adult tickets cost £15 before noon and £9 after noon. Single and day-return (one day round trip) tickets are only available for cash from the bus driver.
The bus companies that run this service have been playing musical chairs in recent years and their online information has not always kept up. But this service has been running for 80 years so you can pretty much count on it being there when you want to travel. The main thing you need to know is that as of this writing - in November 2016, First Group, Berkshire & The Thames Valley operate the service.
Their website is, frankly, hopeless. But they do answer their telephones (+44 345 602 121) promptly and their information operator was friendly and helpful the last time I checked. They also publish a clear and useful, downloadable greenline 702 brochure that has full schedule details, all prices and a map.
UK Travel Tip: The Legoland connection - There's probably too much to see and do at both Windsor Castle and Legoland Windsor to combine the two attractions in one day trip. But if you are staying at the family-friendly Legoland Resort the same Number 702 bus service will ferry you between the main entrance of Legoland Windsor and Windsor castle, The one-way adult fare is £4.20 and a day-return ticket is £6.20 (in 2016). Buy your ticket with cash from the bus driver.
Southwest Trains operate a direct service to Windsor & Eton Riverside Station from London Waterloo Station every half hour throughout the day (hourly on Sundays). The journey takes just under an hour and round trip fares start at £11.80 (in 2016).
First Great Western run a faster, more frequent service to Windsor & Eton Central Station from Paddington Station, every 10 to 15 minutes throughout the day. The journey takes between 25 and 35 minutes but involves changing trains at Slough. (Don't worry - though there is only a 4 minute lapse between the two trains, it just involves crossing from one side of the platform to the other. In 2016, round trip tickets start at £10.50
Either station is a less than 10 minute walk so your travel choice would probably depend on whether you are closer to Paddington or Waterloo at the start of your trip.
UK Traveler Tips: For almost all British rail journeys starting at London, there is a price advantage for purchasing two one-way tickets well in advance of the trip. This destination is an exception. There is no advance purchase price advantage and off-peak round trip tickets from London are cheaper than two one-way tickets. Off-peak prices for this destination begin at about 9:30am.
Train and coach companies traveling to Windsor Castle sometimes offer special deals that may include entrance to the castle or other offers. It's definitely worth checking with them before you go.
Windsor is 25 miles west of Central London via the M4 motorway. Leave the M4 at Junction 6 and follow signs into Windsor center. It takes about 45 minutes to drive. Parking throughout Windsor is controlled and relatively expensive. If visiting the Castle, follow signs to the Long Term parking. It may involve a 20 minute walk but it costs about a third of the cost of short term parking in Windsor center. An even better option is to use the Park and Ride services at Legoland Windsor or Windsor Home Park. There is a small charge for bus fare. The parking at Legoland is free. There is "pay and display" parking at Windsor Home Park.
- Use the Automobile Association Route Planner to map a route with suggested stopovers and gasoline stations.
- Check Daily Petrol (Gasoline) Prices