Cambridge to Portsmouth train with South Western Railway

Thu, Nov 27
+ Add return
South Western Railway
Thameslink
Great Northern
Regionale
Deutsche Bahn
1,000+ travel companies
South Western Railway
Thameslink
Great Northern
Regionale
Deutsche Bahn
1,000+ travel companies
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The cheapest and fastest trains from Cambridge to Portsmouth

Showing times and prices for Nov 28

Cheapest price

$38

Average price

$51

Fastest journey

3 h 24 m

Average duration

4 h 3 m

Trains per day

3

Distance

177 km

Cheap tickets

The best way to find a cheap train ticket from Cambridge to Portsmouth is to book your journey as far in advance as possible and to avoid traveling at rush hour.

The average ticket from Cambridge to Portsmouth will cost around $51 if you buy it on the day, but the cheapest tickets can be found for only $38.

Fast trains

Of the 3 trains that leave Cambridge for Portsmouth on Fri, Nov 28, 3 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.

On Fri, Nov 28 the direct trains cover the 177 km distance in an average of 4 h 3 m but if you time it right, some trains will get you there in just 3 h 24 m .

On Fri, Nov 28 the slowest trains will take 4 h 23 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.

South Western Railway
04:50AM4h22
Cambridge
09:12AMPortsmouth
$381One-way
0 transfers
South Western Railway
05:39AM3h24
Cambridge
09:03AMPortsmouth
$451One-way
0 transfers
South Western Railway
07:49AM4h23
Cambridge
12:12PMPortsmouth
$681One-way
0 transfers

Travel Information

Compare train and bus for Cambridge to Portsmouth

Omio recommends booking the bus as it is the most popular option from Cambridge to Portsmouth among Omio's users. If you are prioritising price take the train with prices starting from €21. For those with little time consider booking a train which can get you there in 3h 7m. In case you are seeking to minimise your carbon footprint the train is your best bet as it emits only 0.1 - 0.2kg. The ticket price range depends on the travel mode: a train costs an average of €21, and a bus costs an average of €42.

Distance: 109 miles (177 km)

Compare train with

Train
Most popular
Bus

€47

Average price

Cheapest

€59

Average price

3h 37m

Average total duration

Fastest

3h 7m

Onboard

+

30m

Additional time*

5h 24m

Average total duration

4h 54m

Onboard

+

30m

Additional time*

0.1 - 0.2kg

CO2 emissions

Lowest

0.2 - 0.4kg

CO2 emissions

South Western Railway

Most popular train company

National Express

Most popular bus company

Direct Options

Direct Options

Additional time: Average total travel duration to departure point, security checks and transfers.

Live departures

Cambridge to Portsmouth train times

The table below shows live departures for Cambridge to Portsmouth trains for today, Thursday, November 27. You can also manually refresh the results below to see updated train journeys.

Last updated at 4:10 AM
ProviderDepartsDurationArrivesTransfers
Tickets
southern5:23 AM Cambridge
3h53
9:16 AM Portsmouth0 transfersDirect
south_west_trains5:39 AM Cambridge
3h24
9:03 AM Portsmouth0 transfersDirect
thameslink5:23 PM Cambridge
3h51
9:14 PM Portsmouth0 transfersDirect

This is the last train of the day.

Find all the dates and times for this journey

Compare prices and tickets Cambridge to Portsmouth by train or bus

Compare train and bus prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.

Fri
Nov 28
Sat
Nov 29
Sun
Nov 30
Mon
Dec 01
Tue
Dec 02
Wed
Dec 03
Thu
Dec 04

Why should you book Cambridge to Portsmouth trains with Omio?

South Western Railway as well as Thameslink and Great Northern offer trains services from Cambridge to Portsmouth. Omio is an official ticket reseller for all your travel options from Cambridge to Portsmouth.

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 Thameslink and Great Northern to find the best option for your trip from Cambridge to Portsmouth.
  • 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 train and bus to ensure you get the best deal for traveling from Cambridge to Portsmouth.

Why book with Omio over Trainline and Rail Europe?

Multiple modes of transport
  • Multiple travel company options: While South Western Railway tickets can be bought on South Western Railway's website or third party sellers, Omio allows you to compare with the likes of Thameslink and Great Northern to help you choose the right option for your journey from Cambridge to Portsmouth.
  • Multiple modes of transport: Omio allows you to compare travel options including train and bus to find the ideal travel option from Cambridge to Portsmouth.

Journey information

Overview: Train from Cambridge to Portsmouth

United KingdomUnited Kingdom
United KingdomUnited Kingdom
Icon of train

Trains from Cambridge to Portsmouth run on average 7 times per day, taking around 3h 7m. Cheap train tickets for this journey start at $26 (€21) if you book in advance.

The earliest train runs at 04:03, the last at 21:44. The fastest train covers the 109 miles (177 km) distance in 3h 20m.

Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Distance
109 miles (177 km)
Average train duration
3h 7m
Cheapest ticket price
$26 (€21)
Trains per day
7
Fastest train
3h 20m
First train
04:03
Last train
21:44
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information

Train companies: South Western Railway, Thameslink, Great Northern from Cambridge to Portsmouth trainsSouth Western Railway, Thameslink, Great Northern trains will get you between Cambridge and Portsmouth from $26 (€21). With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.

South Western Railway

About
South Western Railway is a train operating company in the United Kingdom, providing services in the south and south-west of England. It operates a variety of train types, including high-speed trains, local stopping services, and suburban commuter trains. It also offers a range of ticket types, including Advance, Off-Peak, and Super Off-Peak tickets. Onboard facilities include free Wi-Fi, power sockets, and a range of food and drink options. The most popular routes for South Western Railway include London Waterloo to Portsmouth Harbour, London Waterloo to Weymouth, and London Waterloo to Bournemouth.
Luggage & cancellation policy
Average Duration
3h 24m
Cheapest Price
$26 (€21)
South Western Railway frequency
4 a day
Luggage included
2 pieces of luggage included in ticket price
Luggage storage
Overhead racks and designated luggage areas at end of carriages
Cancellation Policy
Refund depends on ticket type and timing of cancellation
Refund
Full refund if train is cancelled by operator
Amenities on board the train
Wifi
Food sold onboard
Cafe bar service with hot and cold drinks, snacks, sandwiches
Seat reservation
Seat reservations available for a fee, free for some ticket types
Toilets
USB plugs
Accessibility
Wheelchair spaces, accessible toilets, ramps for boarding, assistance service available
Pets
Small pets travel free, dogs must be on lead
Quiet zone

Thameslink

About
Thameslink is a train service that operates in the United Kingdom. It is operated by Govia Thameslink Railway and serves the counties of Bedfordshire, Cambridgeshire, Hertfordshire, London, and Surrey. The trains run from early morning until late at night, with some services running 24 hours a day. There are a variety of train types available, including Class 700 Desiro City, Class 377 Electrostar, Class 387/1 Electrostar, and Class 319/0. Ticket types include Anytime, Off-Peak, Super Off-Peak, and Advance. Onboard facilities include Wi-Fi, power sockets, and air conditioning. The most popular routes for Thameslink are London to Brighton, London to Bedford, and London to Luton.
Luggage & cancellation policy
Average Duration
3h 44m
Cheapest Price
$43 (€35)
Thameslink frequency
2 a day
Luggage included
2 large items of luggage and 1 small hand luggage
Luggage storage
Overhead racks, luggage areas at the end of carriages, under seats
Cancellation Policy
Refund policies depend on ticket type
Refund
Full refund available if service is canceled
Amenities on board the train
Wifi
Food sold onboard
Trolley service on some routes offering drinks and snacks
Toilets
USB plugs
Accessibility
Wheelchair spaces, accessible toilets, ramps for boarding, priority seating
Pets
Small pets free of charge. Dogs must be on a lead. Maximum two dogs per passenger
Quiet zone

Great Northern

About
Great Northern is a train company based in the United Kingdom. It offers a wide range of services, including high-speed trains, regional trains, and sleeper services. The high-speed trains are called InterCity Express Trains and they offer a fast and comfortable journey between major cities. The regional trains are called Regional Express Trains and they provide a slower but more frequent service to smaller towns and villages. The sleeper services are called Caledonian Sleeper Trains and they offer overnight journeys with comfortable sleeping compartments. Great Northern offers a variety of ticket types, including single, return, and group tickets. Onboard facilities include free Wi-Fi, power sockets, and a selection of snacks and drinks. The most popular routes for Great Northern are London to Cambridge, London to Peterborough, and London to Norwich. These routes offer a convenient and comfortable way to travel between the cities.
Luggage & cancellation policy
Average Duration
3h 22m
Cheapest Price
$108 (€87)
Great Northern frequency
1 a day
Luggage included
2 large items of luggage and 1 small hand luggage
Luggage storage
Overhead racks, luggage areas at the end of carriages, under seats
Cancellation Policy
See refund policy for ticket types
Refund
Full refund if service canceled
Amenities on board the train
Wifi
Food sold onboard
Trolley service with drinks and snacks on some services
Toilets
USB plugs
Accessibility
Wheelchair spaces, accessible toilets, ramps for boarding, priority seating
Pets
Small pets free, maximum two dogs per passenger, must be on lead
Quiet zone

FAQs: Trains from Cambridge to Portsmouth

Find answers to the most common questions about traveling from Cambridge to Portsmouth 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, this guide helps you travel smarter and with confidence.

FAQs
Train ticket prices from Cambridge to Portsmouth can vary. The cheapest ticket starts at $26 (€21), while the average price is around $58 (€47).
Spending two to three days in Portsmouth is generally enough to explore key attractions such as the Historic Dockyard, Spinnaker Tower, and enjoy the vibrant waterfront.
The distance by train from Cambridge to Portsmouth is 109 miles (177 km).
The cheapest way to get from Cambridge to Portsmouth is by train, with a cost of around $26 (€21).
The first train from Cambridge to Portsmouth leaves at 4:03 AM.
The train from Cambridge to Portsmouth takes 3h 20m and runs 7 per day.
The last train from Cambridge to Portsmouth leaves at 9:44 PM.
The train station in Cambridge that goes to Portsmouth is Cambridge station (CBG), which connects to Portsmouth & Southsea (PMS).
The train journey from Cambridge to Portsmouth offers a mix of urban and rural scenery, with views of the English countryside, small towns, and occasional glimpses of the coast near Portsmouth.
There is no direct train service currently available from Cambridge to Portsmouth.
There is no high speed train available from Cambridge to Portsmouth.
Unfortunately, there is no night train available from Cambridge to Portsmouth.
Yes, you can take the train from Cambridge to Portsmouth.
A day trip from Cambridge to Portsmouth is not feasible as the travel time is 3h 20m. However, there are 7 train journeys available per day covering a distance of 109 miles (177 km).

popular train stations

Popular train stations from Cambridge to Portsmouth

Cambridge
Portsmouth
The major train station for departures in Cambridge is Cambridge. Find all the information you need to know about services, amenities and connections at Cambridge for your trip from Cambridge to Portsmouth.
Amenities at train station
WifiWifi
ShoppingShopping
ParkingParking
DiningDining
ATMATM
AccessibilityAccessibility
WCWC
HotelHotel
LoungeLounge
Lost and Found OfficeLost and Found Office
Ticket OfficeTicket Office
Bike ParkingBike Parking
Car RentalCar Rental
information
phone
Phone Number
ticketOfficeHours
Ticket Office Hours
  • Opening hours: Monday - Friday 05:10 - 23:00 Saturday 05:10 - 23:00 Sunday 07:00 - 22:55
ticketOfficeHours
Distance to city center
1 km
Parking
Parking
  • Car Park: Premium Bay
Accessibility
Accessibility
  • Staff help available: Yes
  • Step free access coverage: Yes
  • Accessible car park equipment: Wheelchair users can use car park equipment at this station unaided
  • Accessible taxis: Details of nearest taxis are shown on station information poster
  • Accessible ticket machines: There are accessible ticket machines at this station
  • Accessible toilets: Yes
  • Ramp for train access: Yes
  • Wheelchairs available: Yes
  • Impaired mobility set down / pick up points available: No
WC
WC
  • Toilets Location: The toilets are located on Platform 4. The accessible toilets are on platform 4
  • National key toilets: Yes
  • Baby changing facilities: Yes
Lounge
Lounge
  • Waiting rooms location: Platforms 1, 4 and 7
Bike Parking
Bike Parking
  • Storage sheltered: Yes
  • Storage location: Cycle point is by the Car Park
  • Storage CCTV: Yes
Public transit options for Cambridge
  • Location for Rail Replacement Services: Rail replacement buses depart from the front of the station
Amenities at train station
WifiWifi
ParkingParking
DiningDining
AccessibilityAccessibility
WCWC
HotelHotel
LoungeLounge
Lost and Found OfficeLost and Found Office
Bike ParkingBike Parking
Bike RentalBike Rental
Car RentalCar Rental
Information DeskInformation Desk
information
phone
Phone Number
ticketOfficeHours
Distance to city center
3 km
Parking
Parking
  • Car Park: Station Car Park
Accessibility
Accessibility
  • Staff help available: Yes
  • Step free access coverage: Yes
  • Accessible taxis: Details of the nearest taxi will be supplied by station staff
  • Accessible ticket machines: There are accessible ticket machines at this station
  • Accessible toilets: Yes
  • Ramp for train access: Yes
  • Wheelchairs available: Yes
  • Impaired mobility set down / pick up points available: Yes
WC
WC
  • Toilets Location: Station foyer
  • National key toilets: Yes
  • Baby changing facilities: Yes
Lounge
Lounge
  • Waiting rooms location: Waiting rooms are available on each platform
Bike Parking
Bike Parking
  • Storage sheltered: Yes
  • Storage location: Adjacent station building.
  • Storage CCTV: Yes
Information Desk
Information Desk
  • Information available from staff: Yes - from information point
  • Helpline Contact: 0800 028 2878
Public transit options for Cambridge North
  • Location for Rail Replacement Services: From bus stop on station forecourt.

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