Journey information
Overview: Train from London Kings Cross (KGX) to Portsmouth Harbour (PMH)
Trains from London Kings Cross (KGX) to Portsmouth Harbour (PMH) run on average 12 times per day, taking around 2h 12m. Cheap train tickets for this journey start at £17 but you can travel from only £10 by coach.
The fastest train covers the 107 km distance in 1h 48m.
Distance 107 km |
Average train duration 2h 12m |
Cheapest ticket price £17 |
Trains per day 12 |
Fastest train 1h 48m |
Cheapest Month Dec |
Cheapest Day Fri |
High Season Apr - Jun |
Low Season Jan - Mar |
Frequently asked questions about your London Kings Cross (KGX) to Portsmouth Harbour (PMH) trip
Use these quick route answers to check fares, travel time, departure options, and direct services before booking from London Kings Cross (KGX) to Portsmouth Harbour (PMH).
Why should you book London Kings Cross (KGX) to Portsmouth Harbour (PMH) trains with Omio?
Why book with Omio vs South Western Railway?
- Compare with other providers: On Omio, you can not only buy tickets for South Western Railway, but also compare tickets for the likes of Southern to find the best option for your trip from London Kings Cross (KGX) to Portsmouth Harbour (PMH).
- Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
- Compare all your options: Omio allows you to compare South Western Railway with all available travel options, which are bus and train to ensure you get the best deal for traveling from London Kings Cross (KGX) to Portsmouth Harbour (PMH).
Why book with Omio over Wanderu or Trainline?
- Compare with other providers: On Omio, you can also compare tickets for the likes of Southern to find the best option for your trip from London Kings Cross (KGX) to Portsmouth Harbour (PMH).
- Multiple modes of transport: Omio allows you to compare travel options including bus and train to find the ideal travel option from London Kings Cross (KGX) to Portsmouth Harbour (PMH).
Train companies: South Western Railway, Southern from London Kings Cross (KGX) to Portsmouth Harbour (PMH) trainsSouth Western Railway, Southern trains will get you between London Kings Cross (KGX) and Portsmouth Harbour (PMH) from £10. With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
South Western Railway
Southern
Companies, tickets, and onboard amenities between London Kings Cross (KGX) and Portsmouth Harbour (PMH)
Review the details behind your booking, from operators and ticket rules to luggage, onboard amenities, accessibility, and route-specific travel policies.
FAQs: London Kings Cross (KGX) to Portsmouth Harbour (PMH) train
Find answers to the most common questions about traveling from London Kings Cross (KGX) to Portsmouth Harbour (PMH) 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 Portsmouth Harbour (PMH), this guide helps you travel smarter and with confidence.

popular train stations
Important Stations and Airports in London Kings Cross (KGX) and Portsmouth Harbour (PMH)
Most London Kings Cross (KGX) to Portsmouth Harbour (PMH) trains use the London Waterloo to Portsmouth & Southsea station pair. Use this guide to compare London Kings Cross (KGX) and Portsmouth Harbour (PMH) train stations on this route, check city-centre transport, alongside checking practicalities like train station facilities and services.
Getting to London Kings Cross from London city centre
London Kings Cross train station facilities and services
London Kings Cross has practical services for this route, including Wifi, Lockers, Shopping, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Lost and Found Office, Ticket Office, Bike Parking, Bike Rental and Information Desk.
Food and drink
Food options include: Caffè Nero, Starbucks, The Pasty Shop, Upper Crust, Giraffe World Kitchen, Black Sheep Coffee, Hotel Chocolat, Leon, Pret a Manger, Wasabi, & more
Wi-Fi and ATMs
Free, unlimited Wi-Fi in the station. . ATMs are located near Platforms 11 and 10, just past Caffé Nero.
Tickets and information
The ticket office is open Mon - Fri: 05:00 - 01:36, Sat: 05:00 - 00:36, Sun: 05:30 - 01:36. Information desks are located near the main entrance.
Luggage and lost property
Luggage storage is located by the entrance of Platform 9 provided by Excess Baggage Co, open daily from 08:00 until 21:00. Lost and found is available at the station.
Parking, taxis and toilets
Available at London Kings Cross: Parking, Taxis, WC.
Bike and car services
Available at London Kings Cross: Bike Parking, Bike Rental.
Accessibility
Accessibility facilities are available at London Kings Cross: There is step-free access in the whole station to all platforms. There are elevators between the concourse and Mezzanine and London Underground ticket hall.
Shops, hotels and contact
Nearby hotels include Point A Hotel, London Kings Cross St Pancras, Premier Inn London Kings Cross Hotel, St. Pancras Renaissance Hotel London.
Getting to Portsmouth Harbour from Portsmouth city centre
Portsmouth Harbour is 1 km from Portsmouth city centre. Public transport options include:
Portsmouth Harbour train station facilities and services
Portsmouth Harbour has practical services for this route, including Wifi, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Lost and Found Office, Ticket Office, Bike Parking, Bike Rental and Car Rental.
Food and drink
Food and drink options are available at Portsmouth Harbour.
Wi-Fi and ATMs
Wi-Fi is available at Portsmouth Harbour. ATMs are available at Portsmouth Harbour.
Tickets and information
Ticket office support is available at Portsmouth Harbour.
Luggage and lost property
Lost and found is available at the station.
Parking, taxis and toilets
Available at Portsmouth Harbour: Parking, Taxis, WC.
Bike and car services
Available at Portsmouth Harbour: Bike Parking, Bike Rental, Car Rental.
Accessibility
Accessibility facilities are available at Portsmouth Harbour: Staff help available: Yes, Step free access coverage: Yes, Step free access note: Step-free category B Station - Steps or 20m ramp (approx. 1:11 gradient) to main entrance, or steps to side entrance. 32m ramp (gradient up to 1:8) from Wightlink IoW ferry terminal. Level access to all platforms. Stepped footbridge between platforms is also available. Please be aware that this station has no tactile paving on the platform edge, Accessible ticket machines: There are accessible ticket machines at this station, Accessible ticket machines note: All South Western Railway ticket machines are able to sell tickets with Disabled Persons Railcard discounts. All machines are accessible, however the station may not be so please check the station access note for further details, Accessible toilets: Yes, Ramp for train access: Yes, Wheelchairs available: Yes, Impaired mobility set down / pick up points available: No.
