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Trains from Portsmouth Harbour to
Sea Mills

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Portsmouth Harbour to Sea Mills by train

Planning a train journey from Portsmouth Harbour to Sea Mills? The trip usually takes about 3hrs 48 mins, covering approximately 81 miles (131 kilometres). With roughly 17 trains operating daily, you have plenty of options to suit your schedule. Booking your tickets ahead of time can snag you fares as low as £6.00, offering an economical choice for savvy travelers.

Portsmouth Harbour to Sea Mills Key Stats

Arrival Station

Sea Mills

Departure Station

Portsmouth Harbour

Frequency

17trains
per day

Journey Time

from3hrs 8 mins

Changes

1-2no direct
trains

First Train / Last Train

04:25 / 23:52

Distance

81miles
(131 km)

2 Routes

3 Train Operators

Prices

from£6.00

Travelling from Portsmouth Harbour to Sea Mills by Train

Jump on a Train from Portsmouth Harbour to Sea Mills – It's Quicker Than You Expect!

Considering a train trip from Portsmouth Harbour to Sea Mills? You’re in the right place, and the journey is faster than you might think!

Typically, the trip takes about 3hrs 48 mins. If you're rushing or eager to reach Portsmouth Harbour, the quickest trains can get you there in just 3hrs 8 mins. With approximately 17 trains operating daily, you have plenty of options. This picturesque 81-mile (131 km) route usually requires just one change, with GWR, Southern, South Western Railway providing comfortable seating and ample luggage space – because being cramped isn't anyone's idea of fun!

The best news? By booking early, you can find tickets starting at just £6.00, a significant saving compared to last-minute purchases. To save even more, consider traveling during Off-Peak hours or using a Railcard to keep your expenses down.

Ready to grab those low-cost tickets? Use our Journey Planner to find the latest discounts and keep your budget happy. Explore more travel tips below or check our timetable for current train schedules. All aboard to Sea Mills!

Journey Details

Frequently asked questions about journeys between Portsmouth Harbour and Sea Mills

Curious about your trip from Portsmouth Harbour to Sea Mills? We've put together answers to the most commonly asked questions from our customers to make planning your journey easier.

How long does it take to travel between Portsmouth Harbour and Sea Mills by train?

The travel time between Portsmouth Harbour and Sea Mills by train varies depending on the type of train and the route, but the average journey time is 3hrs 48 mins & the fastest journey takes 3hrs 8 mins.

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

The fastest journey time by train from Portsmouth Harbour to Sea Mills is 3hrs 8 mins.

How much does the train from Portsmouth Harbour to Sea Mills cost?

Train ticket prices from Portsmouth Harbour to Sea Mills can start from as little as £6.00 when you book in advance. The cost of tickets can vary depending on the time of day, route and class you book and are usually more expensive if you book on the day.

What are the departure and arrival times for trains between Portsmouth Harbour and Sea Mills?

The departure and arrival times for trains between Portsmouth Harbour and Sea Mills vary depending on the day of the week and the type of train. Generally, there are around 17 departures and arrivals throughout the day. The first departure is 04:25, and the last train of the day leaves at 23:52.

What is the difference between first class and standard class on trains between Portsmouth Harbour and Sea Mills?

First class tickets on trains between Portsmouth Harbour and Sea Mills typically offer more space, complimentary food and drink, and other amenities compared to standard class.

What amenities are available on trains between Portsmouth Harbour and Sea Mills?

Amenities on trains between Portsmouth Harbour and Sea Mills can include free Wi-Fi, power outlets, onboard catering, and comfortable seating.

What is the cheapest way to travel from Portsmouth Harbour to Sea Mills by train?

By booking your tickets on traintickets.com! There are many ways to save on the cost of train travel between Portsmouth Harbour and Sea Mills. On traintickets.com, we do all the work for you to find the cheapest way possible to get to Sea Mills, and can save you up to 90%! Simply search for your journey, and be assured we have found you the best possible price.

Is it possible to take a direct train from Portsmouth Harbour to Sea Mills?

No, unfortunately there are no direct trains between Portsmouth Harbour & Sea Mills. However, there are 17 possible journeys which require a change.

What train companies run services from Portsmouth Harbour to Sea Mills?

GWR, Southern and South Western Railway are the main train operating companies running services between Portsmouth Harbour and Sea Mills.

Can I bring luggage on board trains between Portsmouth Harbour and Sea Mills?

Yes, you can bring luggage on board trains between Portsmouth Harbour and Sea Mills, but there may be limits on the number of bags or the size and weight of your luggage.

When are Portsmouth Harbour to Sea Mills Train Times?

Check out the upcoming trains from Portsmouth Harbour to Sea Mills on Monday 5th May 2025, with our handy timetable below.

Alternatively, you can view the full day's schedule or search for a different date here!

Monday 5th May
DepartsArrivesChangesVia StationsDurationOperator
08:23 Portsmouth Harbour11:32 Sea Mills1 changeBristol Temple Meads
3 hrs 9 mins Get Tickets
09:23 Portsmouth Harbour12:31 Sea Mills1 changeBristol Temple Meads
3 hrs 8 mins Get Tickets
10:23 Portsmouth Harbour13:31 Sea Mills1 changeBristol Temple Meads
3 hrs 8 mins Get Tickets
11:23 Portsmouth Harbour14:31 Sea Mills1 changeBristol Temple Meads
3 hrs 8 mins Get Tickets
12:23 Portsmouth Harbour15:31 Sea Mills1 changeBristol Temple Meads
3 hrs 8 mins Get Tickets
13:23 Portsmouth Harbour16:31 Sea Mills1 changeBristol Temple Meads
3 hrs 8 mins Get Tickets
14:23 Portsmouth Harbour17:32 Sea Mills1 changeBristol Temple Meads
3 hrs 9 mins Get Tickets
15:23 Portsmouth Harbour18:32 Sea Mills1 changeBristol Temple Meads
3 hrs 9 mins Get Tickets
16:24 Portsmouth Harbour19:33 Sea Mills1 changeBristol Temple Meads
3 hrs 9 mins Get Tickets
17:24 Portsmouth Harbour20:32 Sea Mills1 changeBristol Temple Meads
3 hrs 8 mins Get Tickets
18:24 Portsmouth Harbour21:39 Sea Mills1 changeBristol Temple Meads
3 hrs 15 mins Get Tickets
19:23 Portsmouth Harbour22:43 Sea Mills1 changeBristol Temple Meads
3 hrs 20 mins Get Tickets
Search all times & prices for today

What are my cheap ticket options for Portsmouth Harbour to Sea Mills journeys?

From booking in Advance, to our FairSplits, here are our tips for you to find the best price

Advance Tickets

A single ticket for one journey leaving at a specific date and time.

The rule is: the sooner you book the cheaper they are. Usually the cheapest, but least flexible.

Advance fares from Portsmouth Harbour to Sea Mills start from as little as £6.00

Off-Peak & Super Off-Peak Tickets

Offering greater flexibility than Advances, Off-Peak tickets offer travel during less busy times of day trading off more flexibility in the Off-Peak windows but for still discounted fares.

Off Peak fares from Portsmouth Harbour to Sea Mills start from £91.70 one way, or £61.40 return

Anytime Tickets

Anytime tickets are fully flexible allowing travel at any time of the day. Brilliant if you don’t want the pressure of clock watching, returning when you want

Anytime fares from Portsmouth Harbour to Sea Mills are available for £58.40 one way, or £71.10 return

With our FairSplit technology, you can save up to 90% on the cost of train travel.

Split ticketing means that instead of purchasing one rail ticket for your journey we automatically find and help you book two or more tickets instead, covering exactly the same journey. We call it our FairSplit.

Travelling in a group? We can save you even more!

Unlike other split ticketing sites, you can enter multiple railcards in a single search on traintickets.com. We will find you the best price using all possible combinations of your railcards in conjunction with our split ticketing technology & GroupSave.

When you do a search on traintickets.com we check all the cheapest prices automatically

Everything you need to know about Portsmouth Harbour Station

Welcome to Portsmouth Harbour Train Station

Portsmouth Harbour Station is a vibrant transportation hub located in the heart of Portsmouth, England. Known for its stunning views of the harbor, it provides seamless connections to both local and national destinations. It caters to a diverse range of travelers, whether you're commuting for work, embarking on a leisurely day trip, or exploring different parts of the UK by train.

Facilities and Accessibility

Portsmouth Harbour Station is designed to offer convenience and accessibility to all its passengers. Open from 05:50 to 19:00 on weekdays, slightly adjusted on weekends, the ticket office ensures travelers can purchase and collect tickets with ease. Modern ticket machines support Disabled Persons Railcard discounts, offering additional assistance for passengers with disabilities.

The station embraces inclusivity with features like step-free access parts, although certain areas require a ramp or the use of a footbridge. Important amenities such as accessible toilets and induction loops are present to support passengers' needs further. While there is no formal waiting room, ample seating areas are provided for comfort while you await your train.

Travel Connections

Portsmouth Harbour Station is a gateway to various transportation options, making it easy to continue your journey past the train station. From two convenient "Beryl Bikes" hire points for cycling enthusiasts to accessible bus connections to Southsea Hoverport, including the Hoverbus (H1) departing from Stand C, the station efficiently blends with Portsmouth's local transport network. Even in instances of rail disruptions, rail replacement services operate out of nearby Hard Interchange Stands, ensuring smooth travel.

Popular Destinations

Thinking of exploring more of what the UK has to offer? Popular travel routes from Portsmouth Harbour include vibrant cities like London Waterloo for culture and commerce, and London Victoria for its iconic attractions. Meanwhile, history enthusiasts might prefer a short trip to Southampton Central or Chichester. Whether you're heading to the bustling town of Fratton or off for a scenic excursion to Brighton, there's a journey to suit every taste.

Make Your Journey Stress-Free

To make your travel experience even more enjoyable, Portsmouth Harbour Station provides convenience with additional amenities. There are refreshment facilities available, perfect for grabbing a quick bite or coffee, alongside an ATM for any last-minute cash needs. Public Wi-Fi is available, allowing you to stay connected while on the go. Cyclists will appreciate the secure bicycle storage and availability of hire options.

Portsmouth Harbour Station isn’t just a point of departure and arrival; it’s the beginning of an adventure. Whether you’re heading to local hidden gems or iconic UK landmarks, the station provides a portal to countless travel opportunities. Don’t miss the chance to experience all the amenities and connections it offers—so go on, plan your next journey, and discover what's beyond the harbour.

Everything you need to know about Sea Mills Station

Discovering Sea Mills Station

Sea Mills train station might not be the largest stop along your journey, but it certainly holds its own charm and practicality for local travelers and those passing through the South West of England. Nestled in a picturesque location of Bristol, Sea Mills is a small yet vital station with essential connections for commuters and visitors alike.

The station lacks a ticket office and ticket machine, so if you're planning to travel from Sea Mills, ensure you purchase your rail tickets online or by other means before arriving at the station. For those needing assistance, rest easy knowing there is a help point on site where you can obtain information from staff.

Facilities and Amenities at Sea Mills Station

While Sea Mills station doesn't boast a full range of facilities, it does not compromise in providing the essential services expected of a UK railway station. Unfortunately, there are no waiting rooms or refreshment facilities available, but there is a seating area to ensure a comfortable wait for your train. Accessibility at the station is fair; a steep ramp provides access to the platform, and the provision of a ramp for train access makes traveling with mobility aids possible.

Travelers looking for restrooms or ATMs will have to plan accordingly, as these amenities are not available at Sea Mills. However, there is bicycle storage with four spaces that can come in handy for cyclists wanting to integrate a bike ride into their commute.

Onward Travel Options

When your journey starts or ends at Sea Mills, you have various options for onward travel. While there is no dedicated taxi service available directly at the station, several bus stops are conveniently located on Shirehampton Road. These can be easily accessed from the station, just opposite the Co-op store. Bus services and potential rail replacements can make your travel convenient, ensuring you connect seamlessly to your next destination.

For more detailed information about bus connections from Sea Mills, travelers can find a helpful printable guide here. Those interested in bicycle hire should note that there is no official cycle hire service available directly through the station.

Popular Routes from Sea Mills Station

Sea Mills Station serves as a gateway to several popular destinations. Whether you're visiting historic Bath Spa, conducting business at London Paddington, or spending leisure time in nearby Clifton Down, scheduling your travel from Sea Mills is straightforward. For those planning a trip to the city center, a short journey to Bristol Temple Meads provides ample connectivity to the rest of the UK. Additionally, the station grants access to serene destinations like Severn Beach and day trips to Cardiff Central.

Planning your trip is easy when you have such a range of fascinating places accessible directly by train from Sea Mills. Whether you're on a business trip, a leisurely getaway, or just catching a quick commute, discover all that the region has to offer.

The Final Stop

Sea Mills Station might be modest, but it's packed with potential for exploration and travel across the UK. While it is essential to accommodate ticket purchasing and amenities ahead of time, the station's connectivity makes it a worthy stop on your travel map. Don't forget to soak in a bit of its charm while you await your train—it's a brief yet captivating encounter with English railway history and a gateway to many adventures.

For all your rail-related needs, whether planning, booking tickets, or ensuring one's comfort during travel, turning to Sea Mills is just the first step in an incredible journey.

Looking for more inspiration?

Popular places to travel by train from Portsmouth Harbour