The cheapest and fastest buses from Portsmouth to Slough
Cheapest price
$28
Average price
$28
Fastest journey
5 h 40 m
Average duration
5 h 40 m
Buses per day
1
Distance
86 km
The best way to find a cheap bus ticket from Portsmouth to Slough is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Portsmouth to Slough will cost around $28 if you buy it on the day, but the cheapest tickets can be found for only $28.
Of the 1 buses that leave Portsmouth for Slough on Fri, Nov 07, 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Fri, Nov 07 the direct buses cover the 86 km distance in an average of 5 h 40 m but if you time it right, some buses will get you there in just 5 h 40 m .
On Fri, Nov 07 the slowest buses will take 5 h 40 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.


Travel Information
Compare train and bus for Portsmouth to Slough
Omio recommends booking the bus as it is the most popular option from Portsmouth to Slough among Omio's users. If you are prioritising price take the bus with prices starting from €17. For those with little time consider booking a train which can get you there in 1h 53m. The ticket price range depends on the travel mode: a bus costs an average of €17, and a train costs an average of €58.
Distance: 53 miles (86 km)
Compare bus with
Most popular Bus | Train |
|---|---|
€25 Average price Cheapest | €59 Average price |
3h 34m Average total duration 3h 4m Onboard + 30m Additional time* | 2h 23m Average total duration Fastest 1h 53m Onboard + 30m Additional time* |
![]() Most popular bus company | ![]() Most popular train company |
Direct Options | Direct Options |
Portsmouth to Slough Bus Timetables
| Operator | Departure Time | Arrival Time | Duration | Departure days | Cheapest price |
|---|---|---|---|---|---|
Operator National Express | Departure Time 03:05AM | Arrival Time 05:57AM | Duration 2h52 | Departure days Thu | Cheapest price $31 |
Operator National Express | Departure Time 03:20AM | Arrival Time 05:57AM | Duration 2h37 | Departure days Thu | Cheapest price $32 |
Operator National Express | Departure Time 05:20AM | Arrival Time 11:15AM | Duration 5h55 | Departure days Thu | Cheapest price $26 |
Operator National Express | Departure Time 05:35AM | Arrival Time 11:15AM | Duration 5h40 | Departure days Thu | Cheapest price $26 |
Operator National Express | Departure Time 07:35AM | Arrival Time 12:15PM | Duration 4h40 | Departure days Thu | Cheapest price $29 |
Operator National Express | Departure Time 07:50AM | Arrival Time 12:15PM | Duration 4h25 | Departure days Thu | Cheapest price $29 |
Operator National Express | Departure Time 08:00AM | Arrival Time 12:15PM | Duration 4h15 | Departure days Thu | Cheapest price $30 |
Operator National Express | Departure Time 09:00AM | Arrival Time 12:45PM | Duration 3h45 | Departure days Thu | Cheapest price $35 |
Operator National Express | Departure Time 09:20AM | Arrival Time 12:45PM | Duration 3h25 | Departure days Thu | Cheapest price $38 |
Operator National Express | Departure Time 10:49AM | Arrival Time 03:21PM | Duration 4h32 | Departure days Thu | Cheapest price $30 |
Operator National Express | Departure Time 11:05AM | Arrival Time 03:21PM | Duration 4h16 | Departure days Thu | Cheapest price $30 |
Operator National Express | Departure Time 12:39PM | Arrival Time 03:49PM | Duration 3h10 | Departure days Thu | Cheapest price $34 |
Operator National Express | Departure Time 12:55PM | Arrival Time 03:49PM | Duration 2h54 | Departure days Thu | Cheapest price $35 |
Operator National Express | Departure Time 03:05PM | Arrival Time 07:33PM | Duration 4h28 | Departure days Thu | Cheapest price $30 |
Operator National Express | Departure Time 03:54PM | Arrival Time 07:01PM | Duration 3h07 | Departure days Thu | Cheapest price $31 |
Operator National Express | Departure Time 04:10PM | Arrival Time 07:01PM | Duration 2h51 | Departure days Thu | Cheapest price $32 |
Operator National Express | Departure Time 06:29PM | Arrival Time 10:32PM | Duration 4h03 | Departure days Thu | Cheapest price $25 |
Operator National Express | Departure Time 06:45PM | Arrival Time 10:32PM | Duration 3h47 | Departure days Thu | Cheapest price $25 |
Operator National Express | Departure Time 07:55PM | Arrival Time 10:56PM | Duration 3h01 | Departure days Thu | Cheapest price $31 |
Operator National Express | Departure Time 08:10PM | Arrival Time 10:56PM | Duration 2h46 | Departure days Thu | Cheapest price $32 |
Operator National Express | Departure Time 08:15PM | Arrival Time 10:56PM | Duration 2h41 | Departure days Thu | Cheapest price $38 |
Live departures
Portsmouth to Slough bus times
The table below shows live departures for Portsmouth to Slough buses for tomorrow, Friday, November 7. You can also manually refresh the results below to see updated bus journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 4:35 AM Portsmouth | 5h40 | 10:15 AM Slough | 0 transfersDirect | |
This is the last bus of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Portsmouth to Slough 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.
Nov 07
Nov 08
Nov 09
Nov 10
Nov 11
Nov 12
Nov 13
Journey information
Overview: Bus from Portsmouth to Slough
Buses from Portsmouth to Slough run on average 16 times per day, taking around 3h 4m. Cheap bus tickets for this journey start at $21 (€17) 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 1m.
Distance 53 miles (86 km) |
Average bus duration 3h 4m |
Cheapest ticket price $21 (€17) |
Buses per day 16 |
Fastest bus 3h 1m |
First bus 03:05 |
Last bus 23:00 |
Bus providers: National Express from Portsmouth to SloughYou can travel by bus between Portsmouth to Slough with National Express for as low as $21 (€17). When you search for schedules and tickets, Omio will show you the best journey
National Express
FAQs: Bus from Portsmouth to Slough
Find answers to the most common questions about traveling from Portsmouth to Slough 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 Slough, this guide helps you travel smarter and with confidence.

- National Express
- Assistance
- Priority seating
- Accessible toilets.
- 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 Portsmouth to Slough, follow these tips:
Start your search now and compare ticket prices to find the best deal!
- National Express
- Two medium-sized suitcases up to 20kg each and one small piece of hand luggage.
- National Express
- 10€ per additional bag.
popular bus stations
Popular bus stations from Portsmouth to Slough
- 05:00-23:00
- Free Wi-Fi
- Café at The Hard (in the station)
- Fast Food Outlet (in the station).
- Available outside the main entrance.
- Elevators, ramps
- Available near the waiting area.
- Bus: 1, 2, 3, 7, 8, 13, 14 Train: South Western Railway, Southern, Great Western Railway
- 06:00-22:00
- Free Wi-Fi
- Café in the terminal (in the station)
- Fast-food outlet (in the station).
- Available outside the main entrance.
- Elevators, ramps
- Available in the station.
- Bus: 8, 20, 700 Train: Portsmouth Harbour
Most popular bus connections from Portsmouth
More options for your journey from Portsmouth to Slough
Here are some other resources that might have the information you need

