Compare prices from over 270 rail and coach companies in Europe
Buy your tickets with us and easily find them on your phone
Safely pay with PayPal, Visa and all international payment cards
is Europe’s leading platform for train and bus tickets
Looking for the cheapest date to travel?
Within 7 days
Outbound fromWithin 1 month
Outbound fromWithin 3 months
Outbound fromHeathrow Airport to Portsmouth by train
It takes an average of 3h 58m to travel from Heathrow Airport to Portsmouth by train, over a distance of around 53 miles (85 km). There are normally 150 trains per day travelling from Heathrow Airport to Portsmouth and tickets for this journey start from £31.50 when you book in advance.
| First train | 04:15 | |
|---|---|---|
| Last train | 00:12 | |
| Departure station | Heathrow Airport | |
| Arrival station | Portsmouth | |
| Journey time | From 2h 46m | |
| Distance | 53 miles (85 km) | |
| Frequency | 150 trains per day | |
| Changes | 2 changes | |
| Price | From £31.50 | |
| Train operators | CrossCountry, Great Western Railway, South Western Railway, Thameslink, Heathrow Express, Southern |
About the train journey from Heathrow Airport to Portsmouth
Want to travel from Heathrow Airport to Portsmouth by train? Start your journey with us.
The train from Heathrow Airport to Portsmouth usually takes 3 hours 58 minutes on average to travel 53 miles (85 km), although the quickest services can take as little as 2 hours 46 minutes. You can expect to find 150 trains per day running on this popular route. You'll need to make 2 changes during the journey to Portsmouth, as there currently aren't any direct services on this route. During your journey, you're likely to be travelling with Great Western Railway, South Western Railway or Thameslink, as these are the main train operators on this route.
You can save money on train tickets from Heathrow Airport to Portsmouth if you book in advance, as tickets usually start from £31.50. You can also travel Off-Peak – tickets are usually cheaper during quieter times on weekdays and weekends – or get a Railcard and save up to 1/3 on eligible journeys for a whole year. Use our Journey Planner at the top of the page to compare ticket prices and get the cheapest fares.
If you want to know more about the journey, scroll up for timetables and live train times, or keep reading for tips on finding cheap tickets and FAQs. Want to go straight to booking? Start a search with us today!
Journey details
Want to know more about your journey from Heathrow Airport to Portsmouth? We've compiled some of the most frequently asked questions by our customers to help you plan your journey.
How long does the train from Heathrow Airport to Portsmouth take?
The average journey time by train between Heathrow Airport and Portsmouth is 3 hours and 58 minutes, with around 150 trains per day. The journey time may be longer on weekends and holidays, so use our Journey Planner on this page to search for a specific travel date.
What's the fastest journey time between Heathrow Airport and Portsmouth by train?
The fastest journey time by train from Heathrow Airport to Portsmouth is 2 hours and 46 minutes.
How much does the train from Heathrow Airport to Portsmouth cost?
Train ticket prices from Heathrow Airport to Portsmouth can start from as little as £31.50 when you book in advance. The cost of tickets can vary depending on the time of day, route and class you book and are usually more expensive if you book on the day.
Is there a direct train from Heathrow Airport to Portsmouth?
No, there are no direct train services from Heathrow Airport to Portsmouth. Travelling from Heathrow Airport to Portsmouth by train will require a minimum of 2 changes.
What time does the first train from Heathrow Airport to Portsmouth leave?
The first train from Heathrow Airport to Portsmouth leaves at 04:15. Times and services may vary during weekends and holidays.
What time does the last train from Heathrow Airport to Portsmouth leave?
The last train from Heathrow Airport to Portsmouth leaves at 00:12. Trains that depart in the early morning hours or very late evening may be sleeper services, time and services may also vary during weekends and holidays.
What's the distance between Heathrow Airport and Portsmouth by train?
Trains travelling from Heathrow Airport to Portsmouth cover a distance of around 53 miles (85 km) during the journey.
Looking for more information?
If you’re looking for the return train journey, check out trains from Portsmouth to Heathrow Airport. If you’re looking for other options, you can also catch the bus from Heathrow Airport to Portsmouth.
Cheap train tickets from Heathrow Airport to Portsmouth
Book in advance
Look out for Advance tickets – they usually come out up to 12 weeks before the departure date and can be cheaper than buying on the day. If you’re here a tad early, sign up for our Advance ticket alert today to get notified when your tickets are released.
Consider a Season Ticket
If you catch this train more than 3 times per week, you could save money with a Season Ticket. With annual, monthly and weekly options available, find out if a season ticket for Heathrow Airport to Portsmouth is right for you.
Use your Railcard
National Railcards offer a 1/3 off eligible train tickets in the UK and can be a great investment if you travel a few times or more in a year. Find out how you can save with a National Railcard here.
Split your tickets
Download our app to find split tickets — courtesy of SplitSave, our handy feature which 'splits' your train tickets where possible to find you a better deal. Learn more about the clever tech behind split tickets, and how to spot SplitSave discounts in our app.
For more money-saving tips on UK and European train travel, read our cheap train tickets guide.