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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 Portsmouth Harbour from Watford Junction
It takes an average of 4h 2m to travel from Watford Junction to Portsmouth Harbour by train, over a distance of around 67 miles (108 km). There are normally 50 trains per day travelling from Watford Junction to Portsmouth Harbour and tickets for this journey start from £10 when you book in advance.
| First train | 03:07 | |
|---|---|---|
| Last train | 00:40 | |
| Departure station | Watford Junction | |
| Arrival station | Portsmouth Harbour | |
| Journey time | From 2h 40m | |
| Distance | 67 miles (108 km) | |
| Frequency | 50 trains per day | |
| Changes | 1 change | |
| Price | From £10 | |
| Train operators | London Overground, South Western Railway, Southern, Thameslink |
Travel by train from Watford Junction to Portsmouth Harbour
Looking to travel from Watford Junction to Portsmouth Harbour by train? You've come to the right place!
Generally, the train from Watford Junction to Portsmouth Harbour takes around 4 hours 2 minutes, but can take just 2 hours 40 minutes on the fastest services. There are up to 50 trains per day from Watford Junction to Portsmouth Harbour.
You'll need to make 1 change along the way as there aren't any direct services on this line.
South Western Railway, Thameslink, London Overground and Southern trains run on this route.
Book your ticket from £10.00 for this journey. Booking early is one of the most effective ways to save money.
Start your search for train tickets from Watford Junction to Portsmouth Harbour in our Journey Planner.
What do people frequently ask about the train journey from Watford Junction to Portsmouth Harbour?
Want to know more about your journey from Watford Junction to Portsmouth Harbour? We've compiled some of the most frequently asked questions by our customers to help you plan your journey.
Is there a direct train from Watford Junction to Portsmouth Harbour?
How far is Portsmouth Harbour from Watford Junction by train?
Can I get from Watford Junction to Portsmouth Harbour without flying?
What is the best way to get from Watford Junction to Portsmouth Harbour?
When is the first train from Watford Junction to Portsmouth Harbour?
When is the last train from Watford Junction to Portsmouth Harbour?
How often do trains run from Watford Junction to Portsmouth Harbour?
How far in advance can I book tickets from Watford Junction to Portsmouth Harbour?
Looking for a return trip from Watford Junction to Portsmouth Harbour?
How do I find cheap train tickets from Watford Junction to Portsmouth Harbour?
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 Watford Junction to Portsmouth Harbour start at £10§ 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 Watford Junction to Portsmouth Harbour 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.