- Must visit
Mary Rose Museum
World-class museum housing Henry VIII's raised flagship. See the preserved Tudor warship and immersive galleries on life aboard.
Cheapest price on Oct 29
$42
Average ticket price on Oct 29
$90
Fastest journey on Oct 29
3 h 51 m
Average journey duration on Oct 29
4 h 9 m
Trains on Oct 29
5
Distance
177 km
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 $90 if you buy it on the day, but the cheapest tickets can be found for only $42.
It's difficult to get from Cambridge to Portsmouth without transferring at least 2 times.
L79586 · SW718800+
Tube from London Kings Cross to London Waterloo+
G27004
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L79932+
Tube from London St Pancras International to London Waterloo+
W45489
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G26174 · SN669400+
W45408
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L79926+
X57430+
Tube from London Kings Cross to London Waterloo
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G26168 · SN002900+
C82681+
W32876
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L79586 · SW718800+
Tube from London Kings Cross to London Waterloo+
G27004
|
| ||||||||||||
L79926+
X57430+
Tube from London Kings Cross to London Waterloo
|
| ||||||||||||
G26168 · SN002900+
C82681+
W32876
|
| ||||||||||||
L79932+
Tube from London St Pancras International to London Waterloo+
W45489
|
| ||||||||||||
G26174 · SN669400+
W45408
|
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Trains from Cambridge to Portsmouth run on average 7 times per day, taking around 3h 16m. Cheap train tickets for this journey start at $25 but you can travel from only $18 by bus.
The earliest train runs at 04:03, the last at 21:44. The fastest train covers the 109 miles (177 km) distance in 2h 38m.
Distance 109 miles (177 km) |
Average train duration 3h 16m |
Cheapest ticket price $25 |
Trains per day 7 |
Fastest train 2h 38m |
First train 4:03 AM |
Last train 9:44 PM |
Cheapest Month Jan |
Cheapest Day Sun |
High Season Apr - Jun |
Low Season Oct - Dec |
Busiest Day Sat |
Least Busy Day Sat |
Best time to book 7 days |
Use these quick route answers to check fares, travel time, departure options, and direct services before booking from Cambridge to Portsmouth.
The table below shows live departures for Cambridge to Portsmouth trains for tomorrow, Thursday, October 29. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
W32876+ G26168 · SN002900+ C82681 | 7:59 AM Cambridge South | 4h04 | 12:03 PM Portsmouth & Southsea (PMS) | 3 transfers | |
L79926+ X57430+ Tube from London Kings Cross to London Waterloo | 8:16 AM Cambridge South | 3h56 | 12:12 PM Portsmouth & Southsea (PMS) | 2 transfers | |
W45408+ G26174 · SN669400 | 8:25 AM Cambridge South | 4h31 | 12:56 PM Portsmouth & Southsea (PMS) | 2 transfers | |
L79586 · SW718800+ Tube from London Kings Cross to London Waterloo+ G27004 | 8:45 AM Cambridge South | 3h51 | 12:36 PM Portsmouth & Southsea (PMS) | 3 transfers | |
W45489+ L79932+ Tube from London St Pancras International to London Waterloo | 8:51 AM Cambridge station (CBG) | 4h21 | 1:12 PM Portsmouth & Southsea (PMS) | 2 transfers |
Find all the dates and times for this journey
Review the details behind your booking, from operators and ticket rules to luggage, onboard amenities, accessibility, and route-specific travel policies.
Discover the best of Portsmouth — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Portsmouth trip today.
World-class museum housing Henry VIII's raised flagship. See the preserved Tudor warship and immersive galleries on life aboard.
Museum dedicated to HMS Victory and Nelson's navy. Learn about the Battle of Trafalgar and life in the age of sail.
Historic ironclad from 1860 that changed naval warfare. Explore decks, engine spaces and displays in the Historic Dockyard.
Historic harbourfront quarter with cobbled lanes, old pubs, sea walls and major naval attractions. Ideal for first-time visitors on foot.
Atmospheric old quarter with narrow streets, Georgian houses and waterfront views. Great for history, churches and a quieter local feel.
Lively seafront district known for beach walks, gardens, castle and independent venues. A classic area for promenade views and relaxation.
A Portsmouth classic of battered cod or haddock with chips, tied to the city’s long naval and seafaring tradition and best eaten fresh by the waterfront.
Fresh crab landed on the south coast, often served simply in sandwiches or salads. It reflects Portsmouth’s harbour access and strong seafood culture.
Portsmouth sits by rich oyster waters, and oysters are a traditional local treat served raw or dressed, prized for their fresh, briny flavour.
Refined fine dining in Southsea known for modern British tasting menus, polished service, and a special-occasion atmosphere.
Lively Southsea venue famous for fresh seafood and shellfish, offering a casual setting popular with locals and visitors.
Historic waterside pub in Old Portsmouth serving cask ales and classic British dishes with harbour views and traditional character.
Moderate for the UK. Hotels often cost less than London, while dining and local transit are mid-range for a coastal city.
Tipping is optional. In restaurants, 10-12.5% is common if service is not included. Round up taxi fares. Cafes usually do not expect tips, but small change is appreciated.
Official public transport app
Portsmouth Harbour -> Commercial Road, Portsmouth
Get destination-focused answers for the end of your trip, including what to do, when to go, practical entry details, and tips for making the most of your time in 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.

Most Cambridge to Portsmouth trains use the Cambridge to Portsmouth & Southsea station pair, with some services arriving at Portsmouth Harbour. Use this guide to compare Cambridge and Portsmouth train stations on this route, check city-centre transport, alongside checking practicalities like train station facilities and services.
Cambridge is 1 km from Cambridge city centre. Public transport options include:
Cambridge has practical services for this route, including Wifi, Shopping, Parking, Dining, ATM, Accessibility, WC, Hotel, Lounge, Lost and Found Office, Ticket Office, Bike Parking, and Car Rental.
Food and drink options are available at Cambridge.
Wi-Fi is available at Cambridge. ATMs are available at Cambridge.
Ticket office support is available at Cambridge.
Lost and found is available at the station.
Available at Cambridge: Parking, WC.
Available at Cambridge: Bike Parking, Car Rental.
Accessibility facilities are available at Cambridge: 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.
Cambridge North is 3 km from Cambridge city centre. Public transport options include:
Cambridge North has practical services for this route, including Wifi, Parking, Dining, Accessibility, WC, Hotel, Lounge, Lost and Found Office, Bike Parking, Bike Rental, Car Rental, and Information Desk.
Food and drink options are available at Cambridge North.
Wi-Fi is available at Cambridge North.
Information desks are information available from staff: Yes - from information point, Helpline Contact: 0800 028 2878.
Lost and found is available at the station.
Available at Cambridge North: Parking, WC.
Available at Cambridge North: Bike Parking, Bike Rental, Car Rental.
Accessibility facilities are available at Cambridge North: 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.
Portsmouth & Southsea has practical services for this route, including Wifi, Parking, Dining, ATM, Accessibility, WC, Hotel, Lost and Found Office, Ticket Office, Bike Parking, and Bike Rental.
Food and drink options are available at Portsmouth & Southsea.
Wi-Fi is available at Portsmouth & Southsea. ATMs are available at Portsmouth & Southsea.
Ticket office support is available at Portsmouth & Southsea.
Lost and found is available at the station.
Available at Portsmouth & Southsea: Parking, WC.
Available at Portsmouth & Southsea: Bike Parking, Bike Rental.
Accessibility facilities are available at Portsmouth & Southsea: Staff help available: Yes, Step free access coverage: Yes, Step free access note: Step-free category A Station - This station has step-free access to all platforms. Please be aware that some platforms at this station have no or only partial 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.
Portsmouth Harbour is 1 km from Portsmouth city centre. Public transport options include:
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 options are available at Portsmouth Harbour.
Wi-Fi is available at Portsmouth Harbour. ATMs are available at Portsmouth Harbour.
Ticket office support is available at Portsmouth Harbour.
Lost and found is available at the station.
Available at Portsmouth Harbour: Parking, Taxis, WC.
Available at Portsmouth Harbour: Bike Parking, Bike Rental, Car Rental.
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.
Check train stations information for Cambridge and Portsmouth, including where trains depart and arrive on this route.
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