- Must visit
Mary Rose Museum
Award-winning museum built around Henry VIII’s raised Tudor warship, with thousands of recovered objects and immersive displays.
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 $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 $72.
Distance: 53 miles (86 km)
Most popular Bus | Train | Driving |
|---|---|---|
$31 Average price Cheapest | $74 Average price | $24 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) |
![]() 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 $42 (€34) less than a train for this route with tickets for a train from Slough to Portsmouth costing on average $74 (€59).
Other travel options to Portsmouth take longer:
Bus takes on average 2h 58m.
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 10:55AM | Duration 2h25 | 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, Wednesday, May 27. You can also manually refresh the results below to see updated bus journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 3:48 PM Slough | 2h47 | 6:35 PM Portsmouth | 1 transfer | |
![]() | 7:20 PM Slough | 2h10 | 9:30 PM Portsmouth | 1 transfer | |
![]() | 10:30 PM Slough | 2h03 | 12:33 AM Portsmouth | 1 transfer | |
| Thursday, May 28 | |||||
![]() | 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 | |
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 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.
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 |
Discover the best of Portsmouth — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Portsmouth trip today.
Award-winning museum built around Henry VIII’s raised Tudor warship, with thousands of recovered objects and immersive displays.
Major naval museum complex interpreting Britain’s maritime history, with galleries linked to the Historic Dockyard attractions.
City museum covering Portsmouth’s history, Sherlock Holmes material, and changing art exhibitions in a central Victorian building.
Popular waterfront district for harbour views, shopping, and promenades beneath the Spinnaker Tower.
Historic quarter of narrow streets, pubs, sea walls, and heritage buildings with strong maritime character.
Long promenade with beaches, piers, gardens, and classic coastal views, especially lively in warmer months.
Sweet local crab from the Solent, often served dressed or in sandwiches. It is a classic seafood specialty linked to the city’s fishing heritage.
Fresh oysters from nearby waters, prized for their clean briny flavor. They are a long-standing regional delicacy on the south coast.
A British seaside staple of battered fish with chips, especially popular in Portsmouth’s harbor areas. Best enjoyed fresh with salt and vinegar.
Established traditional pub in Old Portsmouth with a cozy atmosphere, real ales, and reliable British pub food.
Long-running independent bistro in Old Portsmouth, popular for modern British cooking, seafood, and a smart but friendly atmosphere.
Historic harborside pub near Old Portsmouth, known for seafood, classic British dishes, and excellent views across the water.
Generally moderate for UK travelers: pubs and casual dining are reasonable, while seafront hotels and fine dining cost more.
Service charge may be added in restaurants; if not, tip 10-12.5% for good service. Round up in taxis. Tipping is optional in cafes and pubs unless table service is provided.
Official public transport app
Portsmouth, The Hard Interchange -> Portsmouth Harbour Railway Station
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.

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