Cambridge to Portsmouth bus with National Express

Fri, Sep 18
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The cheapest and fastest buses from Cambridge to Portsmouth

Showing times, prices and bookable tickets for Sep 18

Cheapest price on Sep 18

$21

Average ticket price on Sep 18

$50

Fastest journey on Sep 18

5 h 5 m

Average journey duration on Sep 18

5 h 23 m

Buses on Sep 18

15

Distance

177 km

Cheap tickets

The best way to find a cheap bus 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 $50 if you buy it on the day, but the cheapest tickets can be found for only $21.

Fast buses

It's difficult to get from Cambridge to Portsmouth without transferring at least once.

  • National ExpressNX491 · NX030
    11:50 AM5h55
    Cambridge, Parkside (Parker's Piece)
    5:45 PMPortsmouth, The Hard Interchange
    $211One-way
    1 transfer
  • National ExpressNX491 · NX030
    11:50 AM6h00
    Cambridge, Parkside (Parker's Piece)
    5:50 PMPortsmouth, University
    $231One-way
    1 transfer
  • National ExpressNX491 · NX030
    11:50 AM5h45
    Cambridge, Parkside (Parker's Piece)
    5:35 PMPortsmouth, International Port
    $341One-way
    1 transfer
  • National ExpressNX728 · NX030
    4:00 PM5h55
    Cambridge, Parkside (Parker's Piece)
    9:55 PMPortsmouth, University
    $461One-way
    1 transfer
  • National ExpressNX728 · NX030
    4:00 PM5h50
    Cambridge, Parkside (Parker's Piece)
    9:50 PMPortsmouth, The Hard Interchange
    $491One-way
    1 transfer

Travel Information

Compare bus and train for Cambridge to Portsmouth

Omio recommends booking the train as it is the most popular option from Cambridge to Portsmouth among Omio's users. If you are prioritising price, take the bus, with an average ticket price of $63 For those with little time, consider booking a train, which has an average total journey time of 3h 47m. If you are seeking to minimise your carbon footprint, the train is your best option, with estimated CO2 emissions of 0.1 - 0.2kg. Average ticket prices depend on the travel mode: a bus costs an average of $63, while a train costs an average of $65.

Distance: 109 miles (177 km)

Compare bus with

Bus
Most popular
Train
Driving

$63

Average price

Cheapest

$65

Average price

$48

Average price

(fuel + tolls)

4h 57m

Average total duration

4h 27m

Onboard

+

30m

Additional time*

3h 47m

Average total duration

Fastest

3h 17m

Onboard

+

30m

Additional time*

2h 42m

Average total duration

(door-to-door)

0.2 - 0.4kg

CO2 emissions

0.1 - 0.2kg

CO2 emissions

Lowest

-

CO2 emissions

National Express

Most popular bus company

South Western Railway

Most popular train company

Your own car or car rental

Direct Options

Direct Options

Direct Options

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

The cheapest way to travel from Cambridge to Portsmouth is a bus with an average price of $63.

This is compared to other travel options from Cambridge to Portsmouth:

A bus is $2 less than a train for this route with tickets for a train from Cambridge to Portsmouth costing on average $65.

The fastest way to travel from Cambridge to Portsmouth is by train with an average journey time of 3h 17m.

Other travel options to Portsmouth take longer:

Bus takes on average 4h 27m.

It's helpful to compare your options as there are 2 ways to travel between Cambridge and Portsmouth including taking a bus and train.
We recommend using the train as it is the most popular way to get from Cambridge to Portsmouth among Omio's users.
Take the bus. It's the cheapest way to make this trip, and the price gap is usually bigger than people expect.

Tickets start at around $63 compared to roughly $48 in fuel and tolls — a saving of about $-14.91. The journey takes 4h 27m versus 2h 42m by car, so you'll arrive a bit later, but you can use the time productively rather than spending it behind the wheel. No parking to sort, no fuel stops, and most coaches have Wi-Fi and power outlets.

Driving is worth considering if you're on a tight schedule, travelling as a group (where fuel costs split several ways), or want the flexibility to stop along the way.

Cambridge to Portsmouth Bus Timetables

OperatorDeparture TimeArrival TimeDurationDeparture daysCheapest price
Operator
National Express
Departure Time
05:45AM
Arrival Time
10:50AM
Duration
5h05
Departure days
Fri
Cheapest price
$51
Operator
National Express
Departure Time
07:55AM
Arrival Time
02:00PM
Duration
6h05
Departure days
Fri
Cheapest price
$59
Operator
National Express
Departure Time
09:20AM
Arrival Time
04:55PM
Duration
7h35
Departure days
Fri
Cheapest price
$58
Operator
National Express
Departure Time
10:50AM
Arrival Time
04:30PM
Duration
5h40
Departure days
Thu, Sat, Sun
Cheapest price
$51
Operator
National Express
Departure Time
11:15AM
Arrival Time
05:35PM
Duration
6h20
Departure days
Thu
Cheapest price
$64
Operator
National Express
Departure Time
11:50AM
Arrival Time
05:35PM
Duration
5h45
Departure days
Mon, Thu, Fri, Sat, Sun
Cheapest price
$21
Operator
National Express
Departure Time
01:55PM
Arrival Time
07:25PM
Duration
5h30
Departure days
Fri
Cheapest price
$65
Operator
National Express
Departure Time
04:00PM
Arrival Time
09:30PM
Duration
5h30
Departure days
Tue, Fri
Cheapest price
$46
Operator
National Express
Departure Time
06:15PM
Arrival Time
12:30AM
Duration
6h15
Departure days
Thu, Fri
Cheapest price
$50

Live departures

Cambridge to Portsmouth bus times

The table below shows live departures for Cambridge to Portsmouth buses for today, Thursday, September 17. You can also manually refresh the results below to see updated bus journeys.

Last updated at
ProviderDepartsDurationArrivesTransfers
Tickets
National Express6:15 PM Cambridge
6h15
12:30 AM Portsmouth0 transfersDirect
Friday, September 18
National ExpressNX727 · NX0305:45 AM Cambridge, Parkside (Parker's Piece)
5h05
10:50 AM Portsmouth, The Hard Interchange1 transfer
National ExpressNX727 · NX0305:45 AM Cambridge, Parkside (Parker's Piece)
5h10
10:55 AM Portsmouth, University1 transfer
National ExpressNX727 · NX0307:55 AM Cambridge, Parkside (Parker's Piece)
6h05
2:00 PM Portsmouth, University1 transfer
National ExpressNX727 · NX0307:55 AM Cambridge, Parkside (Parker's Piece)
6h00
1:55 PM Portsmouth, The Hard Interchange1 transfer
National ExpressNX727 · NX0309:20 AM Cambridge, Parkside (Parker's Piece)
7h35
4:55 PM Portsmouth, University1 transfer
National ExpressNX727 · NX0309:20 AM Cambridge, Parkside (Parker's Piece)
7h30
4:50 PM Portsmouth, The Hard Interchange1 transfer
National ExpressNX491 · NX03011:50 AM Cambridge, Parkside (Parker's Piece)
6h00
5:50 PM Portsmouth, University1 transfer
National ExpressNX491 · NX03011:50 AM Cambridge, Parkside (Parker's Piece)
5h45
5:35 PM Portsmouth, International Port1 transfer
National ExpressNX491 · NX03011:50 AM Cambridge, Parkside (Parker's Piece)
5h55
5:45 PM Portsmouth, The Hard Interchange1 transfer
National ExpressNX727 · NX0301:55 PM Cambridge, Parkside (Parker's Piece)
5h25
7:20 PM Portsmouth, The Hard Interchange1 transfer
National ExpressNX727 · NX0301:55 PM Cambridge, Parkside (Parker's Piece)
5h30
7:25 PM Portsmouth, University1 transfer

This is the last bus of the day.

Find all the dates and times for this journey

Compare prices and tickets Cambridge to Portsmouth by bus or train

Compare bus and train 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
Sep 18
Sat
Sep 19
Sun
Sep 20
Mon
Sep 21
Tue
Sep 22
Wed
Sep 23
Thu
Sep 24

Why should you book Cambridge to Portsmouth buses with Omio?

National Express as well as FlixBus offer buses 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 National Express?

  • Compare with other providers: On Omio, you can not only buy tickets for National Express, but also compare tickets for the likes of FlixBus 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 National Express with all available travel options, which are bus and train to ensure you get the best deal for traveling from Cambridge to Portsmouth.

Why book with Omio over Wanderu or Trainline?

  • Compare with other providers: On Omio, you can also compare tickets for the likes of FlixBus to find the best option for your trip from Cambridge to Portsmouth.
  • Multiple modes of transport: Omio allows you to compare travel options including bus and train to find the ideal travel option from Cambridge to Portsmouth.

Journey information

Overview: Bus from Cambridge to Portsmouth

United KingdomUnited Kingdom
United KingdomUnited Kingdom
Icon of bus

Buses from Cambridge to Portsmouth run on average 13 times per day, taking around 4h 27m. Cheap bus tickets for this journey start at $19 if you book in advance.

The earliest bus runs at 03:05, the last at 21:42. The fastest bus covers the 109 miles (177 km) distance in 4h 10m.

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 bus duration
4h 27m
Cheapest ticket price
$19
Buses per day
13
Fastest bus
4h 10m
First bus
3:05 AM
Last bus
9:42 PM
Cheapest Month
Jul
Cheapest Day
Fri
High Season
Apr - Jun
Low Season
Oct - Dec
Busiest Day
Sat
Least Busy Day
Sat
Best time to book
7 days
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

Bus providers: National Express from Cambridge to PortsmouthYou can travel by bus between Cambridge to Portsmouth with National Express for as low as $25. When you search for schedules and tickets, Omio will show you the best journey

National Express

About
National Express is the UK’s leading long-distance coach company, operating over 550 services per day and serving more than 900 destinations nationwide. It also runs frequent services to major UK airports — including Heathrow, Gatwick, Stansted, Luton, and Bristol — 24 hours a day. All National Express coaches are air-conditioned and offer free Wi-Fi and onboard entertainment. Most vehicles are equipped with seat belts and power outlets at every seat, allowing you to charge your phone or laptop during your journey. Ticket options include Restricted Fare, Standard Fare, and Fully Flexible Fare, with the latter providing maximum flexibility for cancellations or changes.
Luggage & cancellation policy
Average National Express Duration
4h 10m
Cheapest National Express Price
$19
National Express frequency
15 a day
Luggage included
Two medium-sized suitcases up to 20kg each and one small piece of hand luggage.
Additional luggage
10€ per additional bag.
Cancellation Policy
You can cancel your ticket up to 24 hours before departure for a refund minus a cancellation fee. Changes can be up to 24 hours before departure for a fee.
Amenities on board the bus
Wifi
Food sold onboard
Seat reservation
Toilets
USB plugs
Accessibility
Assistance; Priority seating; Accessible toilets.
Bikes
Folding Bikes are allowed; non-folding bikes are not allowed.

Complete guide to Portsmouth

Things to do in Portsmouth

Discover the best of Portsmouth — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Portsmouth trip today.

  • 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.

  • Must visit

HMS Victory

Museum dedicated to HMS Victory and Nelson's navy. Learn about the Battle of Trafalgar and life in the age of sail.

  • Must visit

HMS Warrior 1860

Historic ironclad from 1860 that changed naval warfare. Explore decks, engine spaces and displays in the Historic Dockyard.

British Pound Sterling (£)

Moderate for the UK. Hotels often cost less than London, while dining and local transit are mid-range for a coastal city.

Average meal costs

Budget
£8-15 for fast food or a simple meal.
Mid-range
£18-35 per person for a restaurant meal.
Fine dining
£60+ per person for upscale dining.
Coffee
£2.80-4 for coffee.

Tipping culture

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.

FAQs: Bus from Cambridge to Portsmouth

Find answers to the most common questions about traveling from Cambridge to Portsmouth by bus. 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 bus, the cheapest option, or tips for making the most of your visit at Portsmouth, this guide helps you travel smarter and with confidence.

FAQs
Cheap bus tickets from Cambridge to Portsmouth can start from as little as $19 when you book in advance. The average bus ticket price for Cambridge to Portsmouth is $63 ; however, prices vary depending on the time of day and class and they tend to be more expensive on the day.
The average journey time by bus from Cambridge to Portsmouth is 4h 10m to travel the 109 miles (177 km) long journey. Journey times can vary on weekends and holidays, so use our Journey Planner to search for a specific date.
The earliest bus from Cambridge to Portsmouth leaves at 3:05 AM. Plan your trip with the Journey Planner from Omio.
The latest bus from Cambridge to Portsmouth leaves at 9:42 PM.
There are 13 buses a day from Cambridge to Portsmouth which require at least one change with National Express, FlixBus. Schedules can vary on holidays or weekends with fewer buses.
When taking a bus from Cambridge to Portsmouth, you can count on National Express, FlixBus for the best way to get you to Portsmouth. You can also check all possible bus companies who offer a service between Cambridge and Portsmouth and compare the amenities they offer before buying a bus ticket.
A trip to Portsmouth from Cambridge is worth doing but not as a day trip with a journey time of 4h 10m each way. Check with Omio app the best way to travel.
The cheapest month for a bus from Cambridge to Portsmouth is July.
It's helpful to compare your options as there are 2 ways to travel between Cambridge and Portsmouth including taking a bus and train.
Yes, the following accessibility options are available when taking the bus from Cambridge to Portsmouth:
  • National Express
    • Assistance
    • Priority seating
    • Accessible toilets.
  • FlixBus
    • Assistance
    • Priority boarding
    • Wheelchair-accessible buses.
Yes, there are bathrooms on board the bus from Cambridge to Portsmouth for bus company National Express, FlixBus.
Whether you can cancel your bus ticket from Cambridge to Portsmouth depends on the bus companies:
  • National Express
    • You can cancel your ticket up to 24 hours before departure for a refund minus a cancellation fee. Changes can be up to 24 hours before departure for a fee.
  • FlixBus
    • You can cancel your ticket up to 15 minutes before departure and receive a voucher for future travel. Refund requests for delays over 120 minutes are possible.
Yes, bikes are allowed on board the bus with bus company National Express, FlixBus.
Tickets are often cheaper when booked early. Traveling during off-peak hours or on weekdays can help you save money. Sort results by price to quickly identify the most affordable options. Check for promotions or discounts available on our website and app.
Yes, there is food available to purchase on board the bus from Cambridge to Portsmouth.
Yes, the following luggage options are included when booking a bus ticket from Cambridge to Portsmouth:
  • National Express
    • Two medium-sized suitcases up to 20kg each and one small piece of hand luggage.
  • FlixBus
    • One carry-on bag up to 7kg (42x30x18 cm) and one checked bag up to 20kg (80x50x30 cm).
Yes, the following additional luggage options are available when booking a bus ticket from Cambridge to Portsmouth:
  • National Express
    • 10€ per additional bag.
  • FlixBus
    • Additional luggage can be purchased for a fee.
Yes, you can bring your pet on the bus from Cambridge to Portsmouth. The following conditions apply:
  • FlixBus
    • Small pets in carriers allowed
    • guide dogs travel for free.
You can reserve your seat on the bus from Cambridge to Portsmouth with the following bus company: National Express, FlixBus
Yes, there are USB plugs on board the bus from Cambridge to Portsmouth with the following bus company: National Express, FlixBus.
Yes, there is Wifi on board the bus from Cambridge to Portsmouth with the following bus company: National Express, FlixBus.
Since neither Cambridge nor Portsmouth are in the Schengen Area, passport requirements depend on the specific immigration rules of United Kingdom and United Kingdom. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.
We recommend using the train as it is the most popular way to get from Cambridge to Portsmouth among Omio's users.
The currency used in the United Kingdom is the British Pound Sterling (GBP). For travelers, using a card is generally more convenient and widely accepted, especially in cities and for transportation tickets, though carrying some cash can be useful for small purchases or in rural areas.
In Portsmouth, travelers should be cautious of pickpocketing, especially in crowded areas like the Historic Dockyard and Gunwharf Quays. Common scams include overcharging by taxi drivers and unofficial street vendors selling counterfeit goods. It is advisable to use licensed taxis, keep personal belongings secure, and remain vigilant when approached by strangers offering unsolicited services or deals.
Pack lightweight, versatile clothing suitable for the destination's climate, and use secure, lockable luggage to protect belongings. Keep essential items like travel documents, medication, and valuables in a carry-on bag for easy access. Use packing organizers or cubes to maximize space and maintain order. Lastly, include a small first aid kit and personal hygiene items for added comfort during travel.

popular bus stations

Popular bus stations from Cambridge to Portsmouth

Most Cambridge to Portsmouth buses use the Cambridge, Parkside (Parker's Piece) to Portsmouth, The Hard Interchange station pair, with some services arriving at Portsmouth, University. Use this guide to compare Cambridge and Portsmouth bus stations on this route, check city-centre transport, alongside checking practicalities like bus station facilities and services.

Departure bus stations in Cambridge
Arrival bus stations in Portsmouth
Cambridge, Parkside (Parker's Piece)
City-centre transport

Getting to Cambridge, Parkside (Parker's Piece) from Cambridge city centre

BusTour · 31m · $2 · every ~6 min

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