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Outbound fromPortsmouth to Heathrow Airport by train
It takes an average of 4h 19m to travel from Portsmouth to Heathrow Airport by train, over a distance of around 53 miles (85 km). There are normally 175 trains per day travelling from Portsmouth to Heathrow Airport and tickets for this journey start from £29.70 when you book in advance.
| First train | 03:34 | |
|---|---|---|
| Last train | 23:49 | |
| Departure station | Portsmouth | |
| Arrival station | Heathrow Airport | |
| Journey time | From 2h 26m | |
| Distance | 53 miles (85 km) | |
| Frequency | 175 trains per day | |
| Changes | 2 changes | |
| Price | From £29.70 | |
| Train operators | CrossCountry, Great Western Railway, South Western Railway, Thameslink, Heathrow Express, Southern |
About the train journey from Portsmouth to Heathrow Airport
Want to travel from Portsmouth to Heathrow Airport by train? Start your journey with us.
The train from Portsmouth to Heathrow Airport usually takes 4 hours 19 minutes on average to travel 53 miles (85 km), although the quickest services can take as little as 2 hours 26 minutes. You can expect to find 175 trains per day running on this popular route. You'll need to make 2 changes during the journey to Heathrow Airport, 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 Portsmouth to Heathrow Airport if you book in advance, as tickets usually start from £29.70. 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 Portsmouth to Heathrow Airport? 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 Portsmouth to Heathrow Airport take?
The average journey time by train between Portsmouth and Heathrow Airport is 4 hours and 19 minutes, with around 175 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 Portsmouth and Heathrow Airport by train?
The fastest journey time by train from Portsmouth to Heathrow Airport is 2 hours and 26 minutes.
How much does the train from Portsmouth to Heathrow Airport cost?
Train ticket prices from Portsmouth to Heathrow Airport can start from as little as £29.70 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 Portsmouth to Heathrow Airport?
No, there are no direct train services from Portsmouth to Heathrow Airport. Travelling from Portsmouth to Heathrow Airport by train will require a minimum of 2 changes.
What time does the first train from Portsmouth to Heathrow Airport leave?
The first train from Portsmouth to Heathrow Airport leaves at 03:34. Times and services may vary during weekends and holidays.
What time does the last train from Portsmouth to Heathrow Airport leave?
The last train from Portsmouth to Heathrow Airport leaves at 23:49. 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 Portsmouth and Heathrow Airport by train?
Trains travelling from Portsmouth to Heathrow Airport 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 Heathrow Airport to Portsmouth. If you’re looking for other options, you can also catch the bus from Portsmouth to Heathrow Airport.
Cheap train tickets from Portsmouth to Heathrow Airport
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 Portsmouth to Heathrow Airport 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.