Slough to Portsmouth bus with National Express

Tue, Dec 23
+ Add return
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The cheapest and fastest buses from Slough to Portsmouth

Showing times and prices for Dec 23

Cheapest price

$33

Average price

$39

Fastest journey

2 h 30 m

Average duration

2 h 36 m

Buses per day

12

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.

The average ticket from Slough to Portsmouth will cost around $39 if you buy it on the day, but the cheapest tickets can be found for only $33.

Fast buses

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

National ExpressRE703 · NX030
02:40PM3h55
Slough, Wellington Street
06:35PMPortsmouth, University
$331One-way
1 transfer
National ExpressRE703 · NX030
07:30AM3h25
Slough, Wellington Street
10:55AMPortsmouth, University
$331One-way
1 transfer
National ExpressRE703 · NX030
06:50PM2h40
Slough, Wellington Street
09:30PMPortsmouth, University
$331One-way
1 transfer
National ExpressRE703 · NX030
10:00PM2h33
Slough, Wellington Street
12:33AMPortsmouth, University
$331One-way
1 transfer
National ExpressRE703 · NX030
10:00PM2h30
Slough, Wellington Street
12:30AMPortsmouth, The Hard Interchange
$391One-way
1 transfer

Travel Information

Compare train and bus 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 €15. For those with little time consider booking a train which can get you there in 2h 6m. The ticket price range depends on the travel mode: a bus costs an average of €15, and a train costs an average of €44.

Distance: 53 miles (86 km)

Compare bus with

Most popular
Bus
Train

€21

Average price

Cheapest

€59

Average price

3h 42m

Average total duration

3h 12m

Onboard

+

30m

Additional time*

2h 36m

Average total duration

Fastest

2h 6m

Onboard

+

30m

Additional time*

National Express

Most popular bus company

South Western Railway

Most popular train company

Direct Options

Direct Options

Slough to Portsmouth Bus Timetables

OperatorDeparture TimeArrival TimeDurationDeparture daysCheapest price
Operator
National Express
Departure Time
07:30AM
Arrival Time
10:55AM
Duration
3h25
Departure days
Tue
Cheapest price
$33
Operator
National Express
Departure Time
11:40AM
Arrival Time
02:25PM
Duration
2h45
Departure days
Tue
Cheapest price
$44
Operator
National Express
Departure Time
02:40PM
Arrival Time
06:35PM
Duration
3h55
Departure days
Tue
Cheapest price
$33
Operator
National Express
Departure Time
06:50PM
Arrival Time
09:30PM
Duration
2h40
Departure days
Tue
Cheapest price
$33
Operator
National Express
Departure Time
10:00PM
Arrival Time
12:33AM
Duration
2h33
Departure days
Tue
Cheapest price
$33
Operator
National Express
Departure Time
11:00PM
Arrival Time
02:18AM
Duration
3h18
Departure days
Tue
Cheapest price
$44

Live departures

Slough to Portsmouth bus times

The table below shows live departures for Slough to Portsmouth buses for today, Monday, December 22. You can also manually refresh the results below to see updated bus journeys.

Last updated at 1:50 PM
ProviderDepartsDurationArrivesTransfers
Tickets
national_express6:17 PM Slough
3h43
10:00 PM Portsmouth0 transfersDirect
Tuesday, December 23
national_expressRE703 · NX030
Delayed
7:30 AM Slough, Wellington Street
3h20
10:55 AM 10:55 AMPortsmouth, The Hard Interchange		1 transfer
national_expressRE703 · NX030
On time
7:30 AM Slough, Wellington Street
3h25
10:55 AM Portsmouth, University		1 transfer
national_expressRE703 · NX030
On time
11:40 AM Slough, Wellington Street
2h45
2:25 PM Portsmouth, University		1 transfer
national_expressRE703 · NX030
On time
11:40 AM Slough, Wellington Street
2h40
2:20 PM Portsmouth, The Hard Interchange		1 transfer

Find all the dates and times for this journey

Compare prices and tickets Slough 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.

Tue
Dec 23
Wed
Dec 24
Thu
Dec 25
Fri
Dec 26
Sat
Dec 27
Sun
Dec 28
Mon
Dec 29

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 16 times per day, taking around 3h 12m. Cheap bus tickets for this journey start at $19 (€15) 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 43m.

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
3h 12m
Cheapest ticket price
$19 (€15)
Buses per day
16
Fastest bus
3h 43m
First bus
03:05
Last bus
23:00
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 Slough to PortsmouthYou can travel by bus between Slough to Portsmouth with National Express for as low as $19 (€15). 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 43m
Cheapest Price
$25 (€20)
National Express frequency
16 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.
Learn more about National Express

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 $23 (€18) when you book in advance. The average bus ticket price for Slough to Portsmouth is $26 (€21); however, prices vary depending on the time of day and class and they tend to be more expensive on the day.
On average the Slough to Portsmouth bus time is 2 h 16 min   covering the 53 mile (86 km) long journey, but the journey time can vary depending on specific dates or if traveling on weekends and holidays.
The first bus from Slough to Portsmouth leaves at 1: 20AM. Plan your trip with the Journey Planner   from Omio.
The last bus from Slough to Portsmouth leaves at 11: 06PM.
There are 40 buses a day from Slough to Portsmouth which require at least one change with National Express. Schedules can vary on holidays or weekends with fewer buses.
When taking a bus from Slough to Portsmouth, you can count on National Express for the best way to get you to Portsmouth. You can also check all possible bus companies who offer a service to Portsmouth from Slough 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 2 h 16 min each way. Check with Omio app   the best way to travel.
The cheapest month for a bus from Slough to Portsmouth is March.
You have options as you can travel to Portsmouth from Slough 2 different ways: train or bus.
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.
Yes, bikes are allowed on board the bus with bus company National Express.
Whether you can cancel your bus ticket from Slough to Portsmouth depends on the bus company:
  • 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.

To find the cheapest bus tickets for your trip from Slough to Portsmouth, follow these tips:

  • Book in advance: Tickets are often cheaper when booked early.
  • Be flexible with dates and times: Traveling during off-peak hours or on weekdays can help you save money.
  • Use our search filters: Sort results by price to quickly identify the most affordable options.
  • Look for special deals or discounts: Check for promotions or discounts available on our website and app.

    • Start your search now and compare ticket prices to find the best deal!

    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.

    popular bus stations

    Popular bus stations from Slough to Portsmouth

    Slough
    Portsmouth
    The major bus station for departures in Slough is Slough, Wellington Street. Find all the information you need to know about services, amenities and connections at Slough, Wellington Street for your trip from Slough to Portsmouth.
    Slough, Wellington Street
    information

    Most popular bus connections from Slough

    Bus Slough - London
    Bus Slough - Leicester

    More options for your journey from Slough to Portsmouth

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

    Return journeys for buses from Portsmouth to Slough
    Tickets and more information for coaches to Slough
    Tickets and more information for coaches to Portsmouth
    HomeBusesBuses in United KingdomBus tickets to PortsmouthSlough to Portsmouth bus

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