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Trains from Seaham to Portsmouth Harbour

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Grand Central Railway
London North Eastern Railway

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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.
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  3. Seaham to Portsmouth Harbour

Trains to Portsmouth Harbour from Seaham

It takes an average of 7h 14m to travel from Seaham to Portsmouth Harbour by train, over a distance of around 279 miles (450 km). There are normally 20 trains per day travelling from Seaham to Portsmouth Harbour and tickets for this journey start from £61 when you book in advance.

First train

05:52

Last train

22:20

Departure stationSeaham
Arrival stationPortsmouth Harbour
Journey time

From 6h 7m

Distance

279 miles (450 km)

Frequency

20 trains per day

Changes

2 changes

Price

From £61

Train operators

Grand Central Railway, London North Eastern Railway, Lumo, South Western Railway, Southern, TransPennine Express

Plan your journey from Seaham to Portsmouth Harbour

Considering a trip to Portsmouth Harbour and need more information on how to take the train from Seaham to Portsmouth Harbour? Start your search with us today!

Usually, the train from Seaham to Portsmouth Harbour takes around 7 hours 14 minutes. Every day, there are around 20 trains running on this popular route.

There will be 2 changes on your journey from Seaham to Portsmouth Harbour, as there are no direct trains.

Trains on this route are operated by London North Eastern Railway, Lumo, South Western Railway and TransPennine Express.

From Seaham to Portsmouth Harbour, tickets start from just £61.00. Booking tickets in advance can be cheaper than buying on the day of travel.

Use our Journey Planner to pick the dates and times you want to travel, and we’ll give you all the options.

What do people frequently ask about the train journey from Seaham to Portsmouth Harbour?

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

How do I travel from Seaham to Portsmouth Harbour?

You can get from Seaham to Portsmouth Harbour by train in 7 hours and 14 minutes on average, with the fastest journeys taking just 6 hours and 7 minutes. Check out our Journey Planner for more details.

How long does the train from Seaham to Portsmouth Harbour take?

The average journey time by train between Seaham and Portsmouth Harbour is 7 hours and 14 minutes, with around 20 trains per day running on this route. The journey time may be longer on weekends and holidays, so use our Journey Planner on this page to search for a specific travel date.

How much does the train from Seaham to Portsmouth Harbour cost?

Train tickets from Seaham to Portsmouth Harbour can start from as little as £61 when you book in advance and are usually more expensive when purchased on the day. Prices can also vary depending on the time of day, route and class you book.

What's the fastest journey time between Seaham and Portsmouth Harbour by train?

The fastest journey time by train from Seaham to Portsmouth Harbour is 6 hours and 7 minutes.

How do I find cheap train tickets from Seaham 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 Seaham to Portsmouth Harbour start at £61§ 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 Seaham 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.
† 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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