- Must visit
Mary Rose Museum
Purpose-built museum displaying Henry VIII’s Tudor warship and thousands of recovered artefacts at Portsmouth Historic Dockyard.
Omio recommends booking the train as it is the most popular option from Watford to Portsmouth among Omio's users. If you are prioritising price take the train with prices starting from $24. For those with little time consider booking a train which can get you there in 2h 25m. The ticket price range depends on the travel mode: a train costs an average of $24, and a train costs an average of $24.
Distance: 66 miles (107 km)
Most popular Train | Driving |
|---|---|
$35 Average price Cheapest | $30 Average price (fuel + tolls) |
2h 55m Average total duration Fastest 2h 25m Onboard + 30m Additional time* | 1h 36m Average total duration (door-to-door) |
![]() Most popular train company | Your own car or car rental |
Direct Options | Direct Options |
Tickets start at around $35 (€29) compared to roughly $30 (€24) in fuel and tolls — a saving of about $-5.24 (€-4.32). The journey takes 2h 25m versus 1h 36m by car, so you'll arrive a bit later, but you can work, read, or sleep along the way rather than spending the time behind the wheel. You'll also save the hassle of parking at the other end.
Driving is worth it if you're on a tight schedule, travelling as a group, or want to stop somewhere en route.
The table below shows live departures for Watford to Portsmouth trains for today, Monday, June 29. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 7:39 AM Watford | 2h57 | 10:36 AM Portsmouth | 1 transfer | |
![]() | 8:52 AM Watford | 2h44 | 11:36 AM Portsmouth | 1 transfer | |
![]() | 9:52 AM Watford | 2h44 | 12:36 PM Portsmouth | 1 transfer | |
![]() | 10:52 AM Watford | 2h44 | 1:36 PM Portsmouth | 1 transfer | |
![]() | 11:52 AM Watford | 2h44 | 2:36 PM Portsmouth | 1 transfer | |
![]() | 12:56 PM Watford | 2h51 | 3:47 PM Portsmouth | 1 transfer | |
![]() | 1:52 PM Watford | 2h54 | 4:46 PM Portsmouth | 1 transfer | |
![]() | 2:52 PM Watford | 2h47 | 5:39 PM Portsmouth | 1 transfer | |
![]() | 3:52 PM Watford | 2h47 | 6:39 PM Portsmouth | 1 transfer | |
![]() | 4:52 PM Watford | 2h46 | 7:38 PM Portsmouth | 1 transfer | |
![]() | 5:52 PM Watford | 2h46 | 8:38 PM Portsmouth | 1 transfer | |
![]() | 6:52 PM Watford | 2h44 | 9:36 PM Portsmouth | 1 transfer | |
![]() | 7:52 PM Watford | 2h44 | 10:36 PM Portsmouth | 1 transfer | |
![]() | 8:52 PM Watford | 3h01 | 11:53 PM Portsmouth | 1 transfer | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
Compare 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.
Trains from Watford to Portsmouth run on average 16 times per day, taking around 2h 25m. Cheap train tickets for this journey start at $24 (€20) if you book in advance.
The earliest train runs at 04:13, the last at 22:37. The fastest train covers the 66 miles (107 km) distance in 2h 41m.
Distance 66 miles (107 km) |
Average train duration 2h 25m |
Cheapest ticket price $24 (€20) |
Trains per day 16 |
Fastest train 2h 41m |
First train 4:13 AM |
Last train 10:37 PM |
Cheapest Month Aug |
Cheapest Day Mon |
High Season Jul - Sep |
Low Season Jan - Mar |
Best time to book 21 days |
Discover the best of Portsmouth — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Portsmouth trip today.
Purpose-built museum displaying Henry VIII’s Tudor warship and thousands of recovered artefacts at Portsmouth Historic Dockyard.
Major naval museum covering the history of the Royal Navy, with galleries and access linked to Historic Dockyard attractions.
City museum with local history, art collections and displays on Portsmouth’s literary, social and sporting heritage.
Atmospheric historic quarter with cobbled lanes, sea walls, traditional pubs, harbour views and many of the city’s oldest sites.
Long promenade popular for walking, sea views, beach atmosphere, piers, gardens and classic Portsmouth coastal scenery.
Waterside heritage area linking major naval attractions, harbour scenery and one of the city’s most important visitor zones.
Classic battered white fish with chips, closely tied to Portsmouth’s seaside and naval character and still a local staple.
Oysters from the Solent area, valued for their briny flavor and long connection to the Hampshire coast and local seafood trade.
Fresh crab from the south coast, often served simply dressed or in sandwiches, reflecting Portsmouth’s strong seafood tradition.
Well-regarded independent bistro in Old Portsmouth serving modern British and seafood dishes in a relaxed setting.
Historic harbourside pub near Old Portsmouth, known for seafood, classic British dishes, and views over the water.
Established waterfront brasserie at Gunwharf Quays offering French classics, seafood, and a polished but accessible atmosphere.
Moderate by UK standards. Pub meals and chains are manageable, but hotels and waterfront dining cost more.
Service is sometimes included, especially in restaurants. If not, 10-12.5% is standard for good service. Round up in taxis. Tipping is not usually expected for counter service or pubs.
Official public transport app
Portsmouth Harbour -> Portsmouth and Southsea Station
Find answers to the most common questions about traveling from Watford to Portsmouth by train. 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 train, 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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