- Must visit
The British Museum
World-famous museum with major collections spanning ancient Egypt, Greece, Rome, Asia, and beyond. A top cultural stop in London and usually high on first-time visitor lists.
Cheapest price
$92
Average price
$95
Fastest journey
3 h
Average duration
3 h 10 m
Trains per day
6
Distance
87 km
The best way to find a cheap train ticket from Portsmouth to London Heathrow Airport is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Portsmouth to London Heathrow Airport will cost around $95 if you buy it on the day, but the cheapest tickets can be found for only $92.
It's difficult to get from Portsmouth to London Heathrow Airport without transferring at least 3 times.
L79955 · L78788+
G00880+
C37643
W35001+
G00880+
C37643 · C36995
W35001+
G00880+
C36995 · C37643
L79955 · L78788+
G00880+
C37643
L79955 · L78788+
G00880+
C37643
L79955 · L78788+
G00880+
C37643
W35001+
G00880+
C37643 · C36995
L79955 · L78788+
G00880+
C37643
L79955 · L78788+
G00880+
C37643
W35001+
G00880+
C36995 · C37643Omio recommends booking the bus as it is the most popular option from Portsmouth to London Heathrow Airport among Omio's users. If you are prioritising price take the ferry with prices starting from $26. For those with little time consider booking a ferry which can get you there in 45m. The ticket price range depends on the travel mode: a ferry costs an average of $26, and a train costs an average of $32.
Distance: 54 miles (87 km)
| Train | Most popular Bus | Ferry | Driving |
|---|---|---|---|
$79 Average price | $31 Average price | $26 Average price Cheapest | $43 Average price (fuel + tolls) |
2h 55m Average total duration 2h 25m Onboard + 30m Additional time* | 5h 19m Average total duration 4h 49m Onboard + 30m Additional time* | 1h 45m Average total duration Fastest 45m Onboard + 1h 0m Additional time* | 1h 19m Average total duration (door-to-door) |
Direct Options | Direct Options | Direct Options | Direct Options |
This is compared to other travel options from Portsmouth to London Heathrow Airport:
A ferry is $4 (€4) less than a bus for this route with tickets for a bus from Portsmouth to London Heathrow Airport costing on average $31 (€25).
A ferry is $53 (€43) less than a train for this route with tickets for a train from Portsmouth to London Heathrow Airport costing on average $79 (€64).
Other travel options to London Heathrow Airport take longer:
Train takes on average 2h 25m.
Bus takes on average 4h 49m.
Tickets start at around $79 (€64) compared to roughly $43 (€34) in fuel and tolls — a saving of about $-36.53 (€-29.41). The journey takes 2h 25m versus 1h 19m 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 Portsmouth to London Heathrow Airport trains for today, Saturday, May 30. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
X56880+ Tube from London Victoria to London Paddington+ W10674 | On time 11:08 AM Portsmouth & Southsea (PMS) | 4h02 | 3:10 PM Heathrow Terminals 2 & 3 (HXX) | 2 transfers | |
W34995+ G00873+ C42661+ C37696 | On time 11:27 AM Portsmouth & Southsea (PMS) | 2h40 | 2:07 PM Heathrow Terminals 2 & 3 (HXX) | 4 transfers | |
X56879+ Tube from London Victoria to London Paddington+ W10680 | On time 11:33 AM Portsmouth & Southsea (PMS) | 4h07 | 3:40 PM Heathrow Terminals 2 & 3 (HXX) | 2 transfers | |
L79953+ C03061+ C37765 · C37044 | 12:00 PM Portsmouth & Southsea (PMS) | 2h52 | 2:52 PM Heathrow Terminals 2 & 3 (HXX) | 3 transfers | |
X56878+ Tube from London Victoria to London Paddington+ W10686 | On time 12:08 PM Portsmouth & Southsea (PMS) | 4h02 | 4:10 PM Heathrow Terminals 2 & 3 (HXX) | 2 transfers | |
C42263+ G00881+ C37807 · C37063 | On time 12:27 PM Portsmouth & Southsea (PMS) | 2h55 | 3:22 PM Heathrow Terminals 2 & 3 (HXX) | 3 transfers | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
Compare bus, train, and ferry 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 Portsmouth to London Heathrow Airport run on average 13 times per day, taking around 2h 25m. Cheap train tickets for this journey start at $32 (€26) but you can travel from only $19 (€16) by bus.
The earliest train runs at 06:08, the last at 18:38. The fastest train covers the 54 miles (87 km) distance in 2h 45m.
Distance 54 miles (87 km) |
Average train duration 2h 25m |
Cheapest ticket price $32 (€26) |
Trains per day 13 |
Fastest train 2h 45m |
First train 6:08 AM |
Last train 6:38 PM |
Cheapest Month Jan |
Cheapest Day Tue |
High Season Jul - Sep |
Low Season Jan - Mar |
Busiest Day Fri |
Least Busy Day Sun |
Discover the best of London Heathrow Airport — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect London Heathrow Airport trip today.
World-famous museum with major collections spanning ancient Egypt, Greece, Rome, Asia, and beyond. A top cultural stop in London and usually high on first-time visitor lists.
Major art museum on Trafalgar Square with masterpieces by Van Gogh, Turner, Monet, and Leonardo. Excellent choice for classic European painting in a central location.
Leading modern and contemporary art museum in a former power station on the Thames. Known for its scale, rotating displays, and strong social media appeal.
Lively district known for piazzas, performers, historic market buildings, and strong visitor appeal. A convenient area for strolling, shopping, and atmosphere.
Popular riverside walking area stretching past major cultural venues and viewpoints. Excellent for skyline photos, evening walks, and iconic Thames views.
One of London's great royal parks, ideal for walking, relaxing, and open green space in the city center. Includes the Serpentine and several famous memorials.
A traditional breakfast of eggs, sausages, bacon, beans, mushrooms, grilled tomato, and toast. It is one of England’s most iconic hearty meals.
Battered white fish with thick-cut chips, often served with mushy peas and tartar sauce. It is a classic British comfort dish closely associated with London and the wider country.
Roast meat with roast potatoes, seasonal vegetables, gravy, and Yorkshire pudding. This is a beloved British weekend tradition found in pubs across London.
A well-known airport restaurant by Heston Blumenthal, serving refined British classics such as fish and chips in a polished but accessible setting.
A popular Heathrow venue focused on British produce, craft beer, and casual meals. It is a good option for a relaxed pre-flight taste of Britain.
An established Heathrow dining option offering modern British and international dishes, designed for quality airport dining in a stylish space.
Heathrow is pricier than central London. Airport dining, coffee, and convenience items usually cost more than in the city.
Service is often included at sit-down restaurants; if not, 10-12.5% is standard for good service. No tip needed for fast food or takeaway. Round up only for exceptional taxi service.
Official public transport app
Heathrow Terminals 2 & 3 Rail Station, London -> London Paddington Station, London
Find answers to the most common questions about traveling from Portsmouth to London Heathrow Airport 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 London Heathrow Airport, this guide helps you travel smarter and with confidence.

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