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CrossCountry
Great Western Railway

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Portsmouth to Heathrow Airport by train

It takes an average of 4h 22m to travel from Portsmouth to Heathrow Airport by train, over a distance of around 53 miles (85 km). There are normally 133 trains per day traveling from Portsmouth to Heathrow Airport and tickets for this journey start from $50.17 when you book in advance.

First train

3:30 am

Last train

11:32 pm

Departure station

Portsmouth

Arrival station

Heathrow Airport

Journey time

From 2h 47m

Distance

53 miles (85 km)

Frequency

133 trains per day

Changes

2 changes

Price

From $50.17

Train operators

CrossCountry, Great Western Railway, Heathrow Express, South Western Railway, Southern, Thameslink

Taking the train from Portsmouth to Heathrow Airport in 2 hours 47 minutes

Thinking about taking the train from Portsmouth to Heathrow Airport? We've got you covered.

It usually takes around 4 hours 22 minutes to travel the 85 km from Portsmouth to Heathrow Airport by train, although you can get there in as little as 2 hours 47 minutes on the fastest services. You'll normally find around 133 trains per day running on this route. You'll need to make 2 changes along the way as there aren't any direct services on this line.

Train tickets from Portsmouth to Heathrow Airport start from $50.17 when you book in advance, which can be cheaper than buying them on the day. Start a search in our Journey Planner to check out the latest prices.

Keen to book your train tickets to Heathrow Airport? No need to wait, start a search with us today! If you want to find out a bit more about the journey first, you can find our train schedule below, tips on booking cheap tickets and our FAQs, including first and last train times.

What do people frequently ask about the train journey from Portsmouth to Heathrow Airport?

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 do you get to Heathrow Airport from Portsmouth?

To travel to Heathrow Airport from Portsmouth, you can take the train - on average, the journey takes around 4 hours and 22 minutes, though the fastest trains can take 2 hours and 47 minutes. Use our Journey Planner to get more information on routes and timetables.

How long is the train ride from Portsmouth to Heathrow Airport?

Trains from Portsmouth to Heathrow Airport take an average of 4 hours and 22 minutes, although on the fastest services it can take just 2 hours and 47 minutes. You'll usually find 133 trains per day on this route, so use our Journey Planner to check specific dates as times may vary.

How much is the train to Heathrow Airport from Portsmouth?

Train tickets to Heathrow Airport from Portsmouth can start from $50.17 when booked in advance, but they’re usually more expensive if bought on the day of travel. Prices may also vary depending on the time of day, route, and class you choose.

What is the quickest journey time between Portsmouth and Heathrow Airport by train?

The quickest journey time between Portsmouth and Heathrow Airport by train is 2 hours and 47 minutes.

How do I find cheap train tickets from Portsmouth to Heathrow Airport?

Planning a trip to the UK soon? As most UK train companies increase their prices as the departure date approaches, our Trainline team of experts have put together these tips to help you find the cheapest tickets.

1. Book in advance

Train tickets from Portsmouth to Heathrow Airport start at $50.17§ one way for a Standard Class ticket if you book in advance. UK train companies usually release Advance tickets up to 12 weeks ahead of time and these can be cheaper than tickets bought on the day of travel.

2. Sign up to Ticket Alert

If you're planning a trip more than 12 weeks ahead, sign up to our Ticket Alert to get notified when Advance tickets are released for your travel date.

3. Book split tickets

Our handy feature SplitSave will ‘split’ your train journey into multiple tickets, which can be much cheaper than buying a single ticket. Find out more about split tickets.

4. Travel Off-Peak

If you can be flexible with your travel times, Off-Peak and Super Off-Peak tickets are usually cheaper than Anytime tickets in the UK. Generally, Off-Peak times are any time at weekends and outside of Monday to Friday morning and evening rush hours.

For more money-saving tips on UK and European train travel, read our cheap train tickets guide.

§Advance adult single fare. Excludes booking fee. Prices seen by Trainline customers in the last 30 days. Availability limited.

What are my ticket options for this journey?

If you're like us, you've probably seen the sheer number of ticket types available in the UK and wondered "Why are there so many?!" To help, we've put together a handy guide to the main UK ticket types, simply tap the one you’re interested in to find out more.

* Based on European average monthly visitors to Trainline’s app and website from 1.1.2023 to 10.31.2023 vs other independent retailers.

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