Slough to Portsmouth bus with National Express

Sun, Jul 12
+ Add return
National Express
First Berkshire & The Thames Valley
Thames Valley Buses
FlixBus
Alsa
2,000+ travel companies
National Express
First Berkshire & The Thames Valley
Thames Valley Buses
FlixBus
Alsa
2,000+ travel companies
QR-Code
Scan to get our free app
Use our app to get live travel updates and book mobile tickets for trains, buses, flights, and ferries.
App Store
rate4.9
42K ratings
Google Play
rate4.6
136K reviews

The cheapest and fastest buses from Slough to Portsmouth

Showing times and prices for Jul 12

Cheapest price

$0.00

Average price

$-0.01

Fastest journey

2 h 15 m

Average duration

2 h 16 m

Buses per day

6

Distance

86 km

Cheap tickets

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

Fast buses

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

  • Thames Valley Buses
    12:00 AM2h18
    Slough
    2:18 AMPortsmouth
    Find prices
    1 transfer
  • First Berkshire & The Thames Valley
    12:02 AM2h16
    Slough
    2:18 AMPortsmouth
    Find prices
    2 transfers
  • Thames Valley Buses
    8:30 AM2h15
    Slough
    10:45 AMPortsmouth
    Find prices
    1 transfer
  • Thames Valley Buses
    11:40 AM2h20
    Slough
    2:00 PMPortsmouth
    Find prices
    1 transfer
  • Thames Valley Buses
    2:15 PM2h15
    Slough
    4:30 PMPortsmouth
    Find prices
    1 transfer

Travel Information

Compare bus and train for Slough to Portsmouth

Omio recommends booking the bus as it is the most popular option from Slough to Portsmouth among Omio's users. If you are prioritising price take the bus with prices starting from $31. For those with little time consider booking a train which can get you there in 2h 12m. The ticket price range depends on the travel mode: a bus costs an average of $31, and a train costs an average of $71.

Distance: 53 miles (86 km)

Compare bus with

Most popular
Bus
Train
Driving

$31

Average price

Cheapest

$72

Average price

$23

Average price

(fuel + tolls)

3h 28m

Average total duration

2h 58m

Onboard

+

30m

Additional time*

2h 42m

Average total duration

Fastest

2h 12m

Onboard

+

30m

Additional time*

1h 21m

Average total duration

(door-to-door)

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

The cheapest way to travel from Slough to Portsmouth is a bus with an average price of $31 (€25).

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

A bus is $42 (€34) less than a train for this route with tickets for a train from Slough to Portsmouth costing on average $72 (€59).

The fastest way to travel from Slough to Portsmouth is by train with an average journey time of 2h 12m.

Other travel options to Portsmouth take longer:

Bus takes on average 2h 58m.

It's helpful to compare your options as there are 2 ways to travel between Slough and Portsmouth including taking a bus and train.
We recommend using the bus as it is the most popular way to get from Slough to Portsmouth among Omio's users.
Take the bus. On this route, it's both cheaper and quicker than driving.

You'll arrive about {timeSavings} sooner ({durationInMinutes} by bus vs {drivingDurationInMinutes} by car) and save roughly {savingsAmount} compared to fuel and tolls ({cheapestPrice} vs {drivingPriceInCents}). You also skip the drive itself — no traffic stress, no parking, and you can use the time to work, nap, or catch up on a series with the onboard Wi-Fi.

Direct coaches are operated by {directProviders}.

Driving is still worth considering if you're travelling with bulky luggage, need flexibility on departure times, or plan to stop along the way.

Slough to Portsmouth Bus Timetables

OperatorDeparture TimeArrival TimeDurationDeparture daysCheapest price
Operator
Thames Valley Buses
Departure Time
12:00AM
Arrival Time
02:18AM
Duration
2h18
Departure days
Tue, Wed, Thu, Sat, Sun
Cheapest price
$0.00
Operator
First Berkshire & The Thames Valley
Departure Time
12:02AM
Arrival Time
02:18AM
Duration
2h16
Departure days
Tue, Wed, Thu, Sat, Sun
Cheapest price
$0.00
Operator
National Express
Departure Time
06:43AM
Arrival Time
12:05PM
Duration
5h22
Departure days
Fri
Cheapest price
$19
Operator
National Express
Departure Time
07:30AM
Arrival Time
10:50AM
Duration
3h20
Departure days
Fri
Cheapest price
$28
Operator
Thames Valley Buses
Departure Time
08:30AM
Arrival Time
10:55AM
Duration
2h25
Departure days
Mon, Tue, Wed, Thu, Sat, Sun
Cheapest price
$0.00
Operator
National Express
Departure Time
10:25AM
Arrival Time
02:45PM
Duration
4h20
Departure days
Fri
Cheapest price
$21
Operator
National Express
Departure Time
11:10AM
Arrival Time
02:00PM
Duration
2h50
Departure days
Fri
Cheapest price
$29
Operator
Thames Valley Buses
Departure Time
11:40AM
Arrival Time
02:00PM
Duration
2h20
Departure days
Sun
Cheapest price
$0.00
Operator
Thames Valley Buses
Departure Time
11:44AM
Arrival Time
02:00PM
Duration
2h16
Departure days
Mon, Sat
Cheapest price
$0.00
Operator
Thames Valley Buses
Departure Time
12:15PM
Arrival Time
02:25PM
Duration
2h10
Departure days
Tue, Wed, Thu
Cheapest price
$0.00
Operator
National Express
Departure Time
12:25PM
Arrival Time
05:35PM
Duration
5h10
Departure days
Fri
Cheapest price
$21
Operator
National Express
Departure Time
01:10PM
Arrival Time
04:55PM
Duration
3h45
Departure days
Fri
Cheapest price
$28
Operator
Thames Valley Buses
Departure Time
02:15PM
Arrival Time
04:30PM
Duration
2h15
Departure days
Mon, Sat, Sun
Cheapest price
$0.00
Operator
National Express
Departure Time
03:40PM
Arrival Time
07:20PM
Duration
3h40
Departure days
Fri
Cheapest price
$30
Operator
National Express
Departure Time
03:42PM
Arrival Time
08:40PM
Duration
4h58
Departure days
Fri
Cheapest price
$17
Operator
Thames Valley Buses
Departure Time
03:48PM
Arrival Time
06:35PM
Duration
2h47
Departure days
Tue, Wed, Thu
Cheapest price
$0.00
Operator
Thames Valley Buses
Departure Time
04:40PM
Arrival Time
06:55PM
Duration
2h15
Departure days
Sat, Sun
Cheapest price
$0.00
Operator
Thames Valley Buses
Departure Time
04:56PM
Arrival Time
07:25PM
Duration
2h29
Departure days
Mon
Cheapest price
$0.00
Operator
National Express
Departure Time
06:50PM
Arrival Time
09:50PM
Duration
3h00
Departure days
Fri
Cheapest price
$29
Operator
National Express
Departure Time
07:12PM
Arrival Time
11:05PM
Duration
3h53
Departure days
Fri
Cheapest price
$17
Operator
Thames Valley Buses
Departure Time
07:20PM
Arrival Time
09:30PM
Duration
2h10
Departure days
Tue, Wed, Thu
Cheapest price
$0.00
Operator
Thames Valley Buses
Departure Time
07:45PM
Arrival Time
09:55PM
Duration
2h10
Departure days
Mon, Sat
Cheapest price
$0.00
Operator
National Express
Departure Time
10:00PM
Arrival Time
12:33AM
Duration
2h33
Departure days
Fri
Cheapest price
$29
Operator
Thames Valley Buses
Departure Time
10:30PM
Arrival Time
12:33AM
Duration
2h03
Departure days
Mon, Tue, Wed, Thu, Sat
Cheapest price
$0.00
Operator
National Express
Departure Time
11:00PM
Arrival Time
02:15AM
Duration
3h15
Departure days
Fri
Cheapest price
$33

Live departures

Slough to Portsmouth bus times

The table below shows live departures for Slough to Portsmouth buses for today, Saturday, July 11. You can also manually refresh the results below to see updated bus journeys.

Last updated at
ProviderDepartsDurationArrivesTransfers
Tickets
Thames Valley Buses4:40 PM Slough
2h15
6:55 PM Portsmouth1 transfer
Thames Valley Buses7:45 PM Slough
2h10
9:55 PM Portsmouth1 transfer
Thames Valley Buses10:30 PM Slough
2h03
12:33 AM Portsmouth1 transfer
Sunday, July 12
Thames Valley Buses12:00 AM Slough
2h18
2:18 AM Portsmouth1 transfer
First Berkshire & The Thames Valley12:02 AM Slough
2h16
2:18 AM Portsmouth2 transfers
Thames Valley Buses8:30 AM Slough
2h15
10:45 AM Portsmouth1 transfer
Thames Valley Buses11:40 AM Slough
2h20
2:00 PM Portsmouth1 transfer
Thames Valley Buses2:15 PM Slough
2h15
4:30 PM Portsmouth1 transfer

This is the last bus of the day.

Find all the dates and times for this journey

Compare prices and tickets Slough 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.

Sun
Jul 12
Mon
Jul 13
Tue
Jul 14
Wed
Jul 15
Thu
Jul 16
Fri
Jul 17
Sat
Jul 18

Why should you book Slough to Portsmouth buses with Omio?

National Express as well as First Berkshire & The Thames Valley or Thames Valley Buses offer buses services from Slough to Portsmouth.
Omio is an official ticket reseller for all your travel options from Slough 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 First Berkshire & The Thames Valley or Thames Valley Buses to find the best option for your trip from Slough 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 Slough to Portsmouth.

Why book with Omio over Wanderu?

  • Multiple modes of transport: Omio allows you to compare travel options including bus and train to find the ideal travel option from Slough to Portsmouth.

Journey information

Overview: Bus from Slough to Portsmouth

United KingdomUnited Kingdom
United KingdomUnited Kingdom
Icon of bus

Buses from Slough to Portsmouth run on average 18 times per day, taking around 2h 58m. Cheap bus tickets for this journey start at $31 (€25) if you book in advance.

The earliest bus runs at 03:05, the last at 23:00. The fastest bus covers the 53 miles (86 km) distance in 3h 18m.

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
53 miles (86 km)
Average bus duration
2h 58m
Cheapest ticket price
$31 (€25)
Buses per day
18
Fastest bus
3h 18m
First bus
3:05 AM
Last bus
11:00 PM
Cheapest Month
Jul
Cheapest Day
Sun
High Season
Apr - Jun
Low Season
Jan - Mar
Busiest Day
Wed
Least Busy Day
Wed
Best time to book
1 day
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, First Berkshire & The Thames Valley, Thames Valley Buses from Slough to PortsmouthYou can travel by bus between Slough to Portsmouth with National Express, First Berkshire & The Thames Valley, Thames Valley Buses for as low as $31 (€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 Duration
3h 18m
Cheapest Price
$31 (€25)
National Express frequency
17 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.

First Berkshire & The Thames Valley

Luggage & cancellation policy
Average Duration
2h 16m
First Berkshire & The Thames Valley frequency
1 a day

Thames Valley Buses

Luggage & cancellation policy
Average Duration
2h 3m
Thames Valley Buses frequency
6 a day

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

The Mary Rose

Flagship Tudor warship museum displaying Henry VIII’s raised vessel and thousands of recovered artefacts. One of Portsmouth Historic Dockyard’s signature experiences.

  • Must visit

National Museum of the Royal Navy

Major naval museum covering Britain’s maritime history through galleries, ships, uniforms, and interactive displays within the dockyard area.

  • Recommended

Portsmouth Museum and Art Gallery

City museum and gallery with local history, art collections, and rotating exhibitions. A solid choice for understanding Portsmouth beyond the dockyard.

Pound Sterling

Generally cheaper than London. Hotels can rise in summer, but dining, buses, and pubs are usually manageable for most travellers.

Average meal costs

Budget
GBP 8-12 for takeaway or a simple lunch.
Mid-range
GBP 18-30 per person at a casual restaurant.
Fine dining
GBP 45+ per person at upscale places.
Coffee
GBP 2.80-4 for a regular coffee.

Tipping culture

Service charge may be added in restaurants; if not, tip 10-12.5% for good service. Round up in pubs and taxis. No tip expected for counter service, though small change is appreciated.

FAQs: Bus from Slough to Portsmouth

Find answers to the most common questions about traveling from Slough 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 Slough to Portsmouth can start from as little as $31 (€25) when you book in advance. The average bus ticket price for Slough to Portsmouth is $31 (€25) ; 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 Slough to Portsmouth is 3h 18m to travel the 53 miles (86 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 Slough to Portsmouth leaves at 3:05 AM. Plan your trip with the Journey Planner from Omio.
The latest bus from Slough to Portsmouth leaves at 11:00 PM.
There are 18 buses a day from Slough to Portsmouth which require at least one change with National Express, First Berkshire & The Thames Valley, Thames Valley Buses. Schedules can vary on holidays or weekends with fewer buses.
When taking a bus from Slough to Portsmouth, you can count on National Express, First Berkshire & The Thames Valley, Thames Valley Buses for the best way to get you to Portsmouth. You can also check all possible bus companies who offer a service between Slough and Portsmouth and compare the amenities they offer before buying a bus ticket.
A trip to Portsmouth from Slough is worth doing but not as a day trip with a journey time of 3h 18m each way. Check with Omio app the best way to travel.
The cheapest month for a bus from Slough to Portsmouth is July.
It's helpful to compare your options as there are 2 ways to travel between Slough and Portsmouth including taking a bus and train.
Yes, the following accessibility options are available when taking the bus from Slough to Portsmouth:
  • National Express
    • Assistance
    • Priority seating
    • Accessible toilets.
Yes, there are bathrooms on board the bus from Slough to Portsmouth for bus company National Express.
Whether you can cancel your bus ticket from Slough 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.
Yes, bikes are allowed on board the bus with bus company National Express.
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 Slough to Portsmouth.
Yes, the following luggage options are included when booking a bus ticket from Slough to Portsmouth:
  • National Express
    • Two medium-sized suitcases up to 20kg each and one small piece of hand luggage.
Yes, the following additional luggage options are available when booking a bus ticket from Slough to Portsmouth:
  • National Express
    • 10€ per additional bag.
Unfortunately, pets are not allowed on the bus from Slough to Portsmouth.
You can reserve your seat on the bus from Slough to Portsmouth with the following bus company: National Express
Yes, there are USB plugs on board the bus from Slough to Portsmouth with the following bus company: National Express.
Yes, there is Wifi on board the bus from Slough to Portsmouth with the following bus company: National Express.
Since neither Slough 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 bus as it is the most popular way to get from Slough 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 Slough to Portsmouth

Most Slough to Portsmouth buses use the Slough, Wellington Street to Portsmouth, The Hard Interchange station pair, with some services arriving at Portsmouth, University. Use this guide to compare Slough and Portsmouth bus stations on this route, check city-centre transport, alongside checking practicalities like bus station facilities and services.

Departure bus stations in Slough
Arrival bus stations in Portsmouth
Slough, Wellington Street
City-centre transport

Getting to Slough, Wellington Street from Slough city centre

Bus103 · 3m · $5 · every ~3 min
702 · 11m · $2 · every ~4 min

Most popular bus connections from Slough

More options for your journey from Slough to Portsmouth

Here are some other resources that might have the information you need

The Omio App Makes Travel Planning Easy

We’ll get you where you want to go. From live train updates to mobile tickets, our innovative app is the ideal way to plan and keep track of your travel.

ios-badge
android-badge
Hand With Phone