- Must visit
Warner Bros. Studio Tour London - The Making of Harry Potter
A visitor attraction and working studio where tours reveal how Harry Potter films were made, with original sets and props.
The best way to find a cheap train ticket from Slough to Watford is to book your journey as far in advance as possible and to avoid travelling at rush hour.
The average ticket from Slough to Watford will cost around £26 if you buy it on the day, but you can find cheap train tickets today for only £26.
On Mon 02 Nov, we found 1 trains from Slough to Watford, including 1 direct services.
These direct trains cover the 21 km distance in an average of 1 h 35 m but if you time it right, some trains will get you there in just 1 h 35 m .
The slowest trains will take 1 h 35 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.

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Take a train from Slough to Watford and enjoy the approximately 21 km long journey. Find schedules and pricing options for a convenient and affordable trip.
The earliest train runs at 00:02, the last at 23:51.
Distance 21 km |
First train 0:02 |
Last train 23:51 |
Cheapest Month Apr |
Cheapest Day Sat |
High Season Jul - Sept |
Low Season Jan - Mar |
Busiest Day Tue |
Least Busy Day Tue |
Best time to book 77 days |
Use these quick route answers to check fares, travel time, departure options, and direct services before booking from Slough to Watford.
Discover the best of Watford — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Watford trip today.
A visitor attraction and working studio where tours reveal how Harry Potter films were made, with original sets and props.
Watford's local museum in a historic house, with exhibitions on the town's people, industry and changing streets.
An arts centre with galleries, performances and cinema, making it a useful stop for contemporary local visual culture.
Watford's best-known park, with broad lawns, woodland walks, playgrounds, sports facilities and the Grand Union Canal nearby.
A regenerated waterside district with canal walks, modern public spaces, events and easy access from the town centre.
A large nature reserve with lakes, woodland and meadows, popular for quiet walks, birdwatching and family outings.
A classic pub staple from Hertfordshire and nearby counties: sausages in Yorkshire pudding batter, usually served with onion gravy.
Traditional English breakfast with eggs, bacon, sausages, beans, mushrooms and toast; a familiar local weekend favourite in Watford cafés.
Beer-battered white fish with chips is a core British takeaway and pub dish, commonly eaten across Watford with mushy peas or curry sauce.
Upscale country-house dining just outside Watford, serving refined British dishes in elegant historic surroundings.
Smart modern Indian restaurant known for polished curries, grills and friendly service in central Watford.
Popular Turkish restaurant serving charcoal-grilled meats, meze and generous sharing plates in a lively setting.
Moderate for southern England. Hotels can be pricey on London commuter routes, but dining and local transport are usually a little cheaper than central London.
Restaurants may add a 10-12.5% service charge; if not, 10% is usual for good service. Taxi fares are often rounded up. Tipping in cafés is optional, usually just small change.
Official public transport app
Watford Junction -> Watford Town Centre, Watford
Get destination-focused answers for the end of your trip, including what to do, when to go, practical entry details, and tips for making the most of your time in Watford.
Find answers to the most common questions about traveling from Slough to Watford by train. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest train, the cheapest option, or tips for making the most of your visit at Watford, this guide helps you travel smarter and with confidence.

Most Slough to Watford trains use the Slough to Watford Junction station pair. Use this guide to compare Slough and Watford train stations on this route, check city-centre transport, alongside checking practicalities like train station facilities and services.
Slough has practical services for this route, including Wifi, Lockers, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Lost and Found Office, Ticket Office, Bike Parking, Bike Rental, Car Rental, Information Desk and Luggage Carts.
Food options include: The Moon and Spoon, The Red Lion
Free. ATMs are available in the train station.
Ticket office support is available at Slough. Information desks are located in the main hall.
Luggage storage is available at Slough. Lost and found is available at the station.
Available at Slough: Parking, Taxis, WC.
Available at Slough: Bike Parking, Bike Rental, Car Rental.
Accessibility facilities are available at Slough: Elevators, ramps.
Nearby hotels include Holiday Inn Slough - Windsor, Moxy Slough, Travelodge Slough.
Watford Junction has practical services for this route, including Shopping, Parking, Dining, ATM, Accessibility, WC, Hotel, Lounge, Lost and Found Office, Ticket Office, Bike Parking, Bike Rental and Information Desk.
Food and drink options are available at Watford Junction.
ATMs are available at Watford Junction.
Ticket office support is available at Watford Junction. Information desks are information available from staff: Yes - from help point,Yes - from ticket office, Helpline Contact: 0800 0248 997, Passenger Information Systems: Departure screens, Announcements.
Lost and found is available at the station.
Available at Watford Junction: Parking, WC.
Available at Watford Junction: Bike Parking, Bike Rental.
Accessibility facilities are available at Watford Junction: Staff help available: Yes, Step free access coverage: Yes, Accessible car park equipment: Wheelchair users may require assistance using car park equipment at this station, Accessible public telephones: Public telephones are accessible on platform 6, Accessible taxis: Accessible taxis are available, Accessible ticket machines: There are accessible ticket machines at this station, Accessible ticket machines note: Ticket Vending Machines are located in the Booking Hall, Accessible toilets: Yes, Ramp for train access: Yes, Wheelchairs available: Yes, Impaired mobility set down / pick up points available: Yes.
Check train stations information for Slough and Watford, including where trains depart and arrive on this route.
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