- 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
$0.00
Average price
$-0.01
Fastest journey
2 h 3 m
Average duration
2 h 11 m
Buses per day
7
Distance
86 km
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.
It's difficult to get from Slough to Portsmouth without transferring at least once.










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 $19. For those with little time consider booking a train which can get you there in 2h 16m. The ticket price range depends on the travel mode: a bus costs an average of $19, and a train costs an average of $68.
Distance: 53 miles (86 km)
Most popular Bus | Train | Driving |
|---|---|---|
$26 Average price Cheapest | $75 Average price | $24 Average price (fuel + tolls) |
3h 23m Average total duration 2h 53m Onboard + 30m Additional time* | 2h 46m Average total duration Fastest 2h 16m Onboard + 30m Additional time* | 1h 21m Average total duration (door-to-door) |
![]() Most popular bus company | ![]() Most popular train company | Your own car or car rental |
Direct Options | Direct Options | Direct Options |
This is compared to other travel options from Slough to Portsmouth:
A bus is $49 (€39) less than a train for this route with tickets for a train from Slough to Portsmouth costing on average $75 (€60).
Other travel options to Portsmouth take longer:
Bus takes on average 2h 53m.
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.
| Operator | Departure Time | Arrival Time | Duration | Departure days | Cheapest 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 Thames Valley Buses | Departure Time 08:30AM | Arrival Time 10:45AM | Duration 2h15 | Departure days Mon, Tue, Wed, Thu, Sat, Sun | Cheapest price $0.00 |
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 Thames Valley Buses | Departure Time 02:15PM | Arrival Time 04:30PM | Duration 2h15 | Departure days Mon, Sat, Sun | Cheapest price $0.00 |
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 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 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 02:18AM | Duration 3h18 | Departure days Fri | Cheapest price $31 |
The table below shows live departures for Slough to Portsmouth buses for today, Tuesday, August 25. You can also manually refresh the results below to see updated bus journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 7:20 PM Slough | 2h10 | 9:30 PM Portsmouth | 1 transfer | |
![]() | 10:30 PM Slough | 2h03 | 12:33 AM Portsmouth | 1 transfer | |
| Wednesday, August 26 | |||||
![]() | 12:00 AM Slough | 2h18 | 2:18 AM Portsmouth | 1 transfer | |
![]() | 12:02 AM Slough | 2h16 | 2:18 AM Portsmouth | 2 transfers | |
![]() | 8:30 AM Slough | 2h25 | 10:55 AM Portsmouth | 1 transfer | |
![]() | 12:15 PM Slough | 2h10 | 2:25 PM Portsmouth | 1 transfer | |
![]() | 3:48 PM Slough | 2h47 | 6:35 PM Portsmouth | 1 transfer | |
This is the last bus of the day. | |||||
Find all the dates and times for this journey
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.
Buses from Slough to Portsmouth run on average 16 times per day, taking around 2h 53m. 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 4h 6m.
Distance 53 miles (86 km) |
Average bus duration 2h 53m |
Cheapest ticket price $19 (€15) |
Buses per day 16 |
Fastest bus 4h 6m |
First bus 3:05 AM |
Last bus 11:00 PM |
Cheapest Month Sep |
Cheapest Day Sun |
High Season Apr - Jun |
Low Season Jan - Mar |
Best time to book 1 day |
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
The Hard Interchange -> Commercial Road, 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.

Most Slough to Portsmouth buses use the Slough, Wellington Street to Portsmouth, University station pair, with some services arriving at Portsmouth, The Hard Interchange. 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.
Slough, Wellington Street has practical services for this route, including Wifi, Parking, ATM, Taxis, Accessibility, WC, Shower, and Ticket Office.
Wi-Fi is available at Slough, Wellington Street. ATMs are available at Slough, Wellington Street.
Ticket office support is available at Slough, Wellington Street.
Available at Slough, Wellington Street: Parking, Taxis, WC.
Accessibility facilities are available at Slough, Wellington Street: Bus stops accessible for wheelchairs.
Portsmouth, The Hard Interchange is 1 km from Portsmouth city centre. Public transport options include:
Portsmouth, The Hard Interchange has practical services for this route, including Wifi, Parking, Dining, ATM, Taxis, Accessibility, WC, and Ticket Office.
Food options include: Café at The Hard (in the station), Fast Food Outlet (in the station).
Free Wi-Fi. ATMs are located near the entrance.
Ticket office support is available at Portsmouth, The Hard Interchange.
Available at Portsmouth, The Hard Interchange: Parking, Taxis, WC.
Accessibility facilities are available at Portsmouth, The Hard Interchange: Elevators, ramps.
Portsmouth, International Port is 1 km from Portsmouth city centre. Public transport options include:
Portsmouth, International Port has practical services for this route, including Wifi, Parking, Dining, ATM, Taxis, Accessibility, WC, and Ticket Office.
Food options include: Café in the terminal (in the station), Fast-food outlet (in the station).
Free Wi-Fi. ATMs are located near the entrance of the terminal.
Ticket office support is available at Portsmouth, International Port.
Available at Portsmouth, International Port: Parking, Taxis, WC.
Accessibility facilities are available at Portsmouth, International Port: Elevators, ramps.
Here are some other resources that might have the information you need