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Great Northern
Great Western Railway

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Low prices found by our customers
Each fare is the lowest adult economy ticket fare found by our customers on Trainline. Fares booked further in advance than the dates displayed may be cheaper. Prices are updated daily, subject to change and indicative of price last update. Limited availability. Discount cards and coach journeys excluded, prices exclusive of booking fee.

Trains to Watford from Slough

It takes an average of 1h 57m to travel from Slough to Watford by train, over a distance of around 13 miles (21 km). There are normally 120 trains per day travelling from Slough to Watford and tickets for this journey start from £26 when you book in advance.

First train

03:17

Last train

01:45

Departure stationSlough
Arrival stationWatford
Journey time

From 1h 17m

Distance

13 miles (21 km)

Frequency

120 trains per day

Changes

2 changes

Price

From £26

Train operators

Great Northern, Great Western Railway, London Overground, Southern, Thameslink

What are the train times from Slough to Watford?

Check out the next trains departing from Slough to Watford for Tuesday 27th October 2026 using our handy timetable below, including platform and live travel information. You can view the full day timetable or search for a different date here.
DepartsArrivesDuration
12:3413:591h 25m, 2 changes
12:3814:121h 34m, 2 changes
13:0414:291h 25m, 2 changes
13:0814:351h 27m, 2 changes
13:3514:591h 24m, 2 changes
13:3915:121h 33m, 2 changes
14:0015:251h 25m, 3 changes
14:0015:291h 29m, 2 changes
14:0715:371h 30m, 2 changes
14:3215:591h 27m, 2 changes

Travelling from Slough to Watford by train

If you're planning to travel from Slough to Watford, we're here to help!

On average, the train journey from Slough to Watford takes around 1 hour 57 minutes. There are normally 120 trains per day travelling from Slough to Watford.

You'll have to make 2 changes on your journey to Watford, as there are no direct trains.

Trains on this route are operated by Great Western Railway, Thameslink, London Overground and Southern.

Ticket prices start from £26.00 on this route. Save money on your train tickets by booking in advance.

Use our Journey Planner to compare ticket prices and find the cheapest fares.

What do people frequently ask about the train journey from Slough to Watford?

Want to know more about your journey from Slough to Watford? We've compiled some of the most frequently asked questions by our customers to help you plan your journey.

How do you get to Watford from Slough?

To travel to Watford from Slough, you can take the train - on average, the journey takes around 1 hour and 57 minutes, though the fastest trains can take 1 hour and 17 minutes. Use our Journey Planner to get more information.

How long is the train ride from Slough to Watford?

Trains from Slough to Watford take an average of 1 hour and 57 minutes, although on the fastest services it can take just 1 hour and 17 minutes. You'll usually find 120 trains per day on this route, so use our Journey Planner to check specific dates as times may vary.

How much does it cost to get from Slough to Watford by train?

Train tickets from Slough to Watford can start from £26 when booked in advance, but they’re usually more expensive if bought on the day of travel. Prices may also vary depending on the time of day, route, and class you choose.

What is the quickest journey time between Slough and Watford by train?

The quickest journey time between Slough and Watford by train is 1 hour and 17 minutes.

How do I find cheap train tickets from Slough to Watford?

As most UK train companies increase their prices as the departure date approaches, our Trainline team of experts have put together these tips to help you find the cheapest tickets.

1. Book in advance

Train tickets from Slough to Watford start at £26§ one way for a Standard Class ticket if you book in advance. UK train companies usually release Advance tickets up to 12 weeks ahead of time, and these can be cheaper than tickets bought on the day of travel.

2. Sign up to Ticket Alert

If you're planning a trip more than 12 weeks ahead, sign up to our Ticket Alert to get notified when Advance tickets are released for your travel date.

3. Use a Railcard

National Railcards offer a 1/3 off eligible train tickets in the UK and can be a great investment if you travel throughout the year. Buy one with us and you'll be able to store it digitally in our app, so you'll always have it on your travels.

4. Book split tickets

Our handy feature SplitSave will 'split' your train journey into multiple tickets, which can be much cheaper than buying a single ticket. Find out more about split tickets.

5. Travel Off-Peak

If you can be flexible with your travel times, Off-Peak and Super Off-Peak tickets are usually cheaper in the UK. Generally, Off-Peak times are any time at weekends and outside of Monday to Friday morning and evening rush hours.

6. Consider a Season Ticket

Best for commuters, if you catch a train on the same route more than 3 times per week, you could save money with a Season Ticket. With annual, monthly, weekly and flexi options available, find out if a Season Ticket for Slough to Watford is right for you.

For more money-saving tips on UK and European train travel, read our cheap train tickets guide.

§Advance adult single fare. Excludes booking fee. Prices seen by Trainline customers in the last 30 days. Availability limited.
† Average savings on advance fares booked at least one week before day of travel vs Anytime fares purchased on day of travel. Subject to availability. Excludes coach.

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