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Trains from Heathrow Airport to Southampton

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  2. Train times
  3. Heathrow Airport to Southampton

Heathrow Airport to Southampton by train

It takes an average of 2h 25m to travel from Heathrow Airport to Southampton by train, over a distance of around 56 miles (91 km). There are normally 262 trains per day traveling from Heathrow Airport to Southampton and tickets for this journey start from $48.13 when you book in advance.

First train

3:35 am

Last train

12:38 am

Departure station

Heathrow Airport

Arrival station

Southampton

Journey time

From 1h 23m

Distance

56 miles (91 km)

Frequency

262 trains per day

Changes

1 change

Price

From $48.13

Train operators

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

What are the train times from Heathrow Airport to Southampton?

Check out the next trains departing from Heathrow Airport to Southampton for Saturday Aug 1st 2026 using our handy timetable below, including platform and live travel information. You can view the full day timetable or search for a different date here.
DepartsArrivesTrainDuration
5:15 amheathrow terminal 5 rail7:55 amsouthampton centralPlatform 4 estimatedelizabeth line PeakGet tickets2h 40m, 3 changes
6:45 amheathrow terminal 5 rail8:48 amsouthampton centralPlatform 4 estimatedelizabeth line PeakGet tickets2h 3m, 2 changes
6:57 amheathrow terminal 5 rail9:21 amsouthampton centralPlatform 3 estimatedheathrow express PeakGet tickets2h 24m, 3 changes
7:45 amheathrow terminal 5 rail9:43 amsouthampton centralPlatform 4 estimatedelizabeth line PeakGet tickets1h 58m, 2 changes
7:57 amheathrow terminal 5 rail10:21 amsouthampton centralPlatform 3 estimatedheathrow express PeakGet tickets2h 24m, 3 changes
8:50 amheathrow terminal 5 rail10:43 amsouthampton centralPlatform 4 estimatedelizabeth line PeakGet tickets1h 53m, 2 changes
8:57 amheathrow terminal 5 rail11:21 amsouthampton centralPlatform 3 estimatedheathrow express PeakGet tickets2h 24m, 3 changes
9:50 amheathrow terminal 5 rail11:43 amsouthampton centralPlatform 4 estimatedelizabeth line PeakGet tickets1h 53m, 2 changes

Take the train from Heathrow Airport to Southampton

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

It usually takes around 2 hours 25 minutes to travel between Heathrow Airport and Southampton by train. On average, 262 trains operate on this route each day.

You can't get a direct train on this route; you'll need to make 1 change.

Tickets on this route can start from $48.13. To find cheaper tickets, it's often a good idea to book in advance.

Use our Journey Planner to compare times, tickets and prices.

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

Want to know more about your journey from Heathrow Airport to Southampton? We've compiled some of the most frequently asked questions by our customers to help you plan your journey.

How do you travel to Southampton from Heathrow Airport?

To get to Southampton from Heathrow Airport, why not take the train? With 262 trains per day and an average journey time of 2 hours and 25 minutes, taking the train is a great way to travel. See our Journey Planner for up-to-date times and prices.

How long does it take to get from Heathrow Airport to Southampton by train?

On average it takes around 2 hours and 25 minutes to travel from Heathrow Airport to Southampton by train, although you can get there in 1 hour and 23 minutes on the fastest services. With 262 trains per day running on this route, journey times may vary, so check our Journey Planner for more information.

How much is the train ticket from Heathrow Airport to Southampton?

The price of a train ticket from Heathrow Airport to Southampton can start from as little as $48.13, depending on the time of day, route and class you book. Train tickets may also be cheaper when you book in advance compared to buying them on the day.

How fast can trains travel from Heathrow Airport to Southampton?

The fastest time a train can travel the 56 miles (91 km) from Heathrow Airport to Southampton is 1 hour and 23 minutes.

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

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 Heathrow Airport to Southampton start at $48.13§ 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.

Advance train tickets

Single tickets released ahead of time for a specific time and date. Generally, the sooner you book, the cheaper these tickets are likely to be.

Anytime train tickets

Flexible tickets that allow you to travel at any time of the day. Perfect if you have to be somewhere but aren’t sure for how long.

First Class train tickets

Fancy traveling in style? Enjoy perks like more spacious seating, complimentary refreshments and lounge access with First Class train tickets.

GroupSave train tickets

Save up to 1/3 when traveling with a group of 3 to 9 people on eligible single or return journeys at Off-Peak or Super Off-Peak times.

Off-Peak and Super Off-Peak train tickets

Available at quieter times of the day, Off-Peak tickets offer the flexibility of traveling at any time during the Off-Peak window and discounted fares.

Return train tickets

Return tickets combine your outward and return journey into a single ticket. Choose from a Day or Open Return ticket for more flexibility on travel dates.

Family train tickets

Traveling with your family? There are plenty of family offers to help you save money, including Kids for a Quid tickets for children aged 5-15 and Off-Peak Family Travelcards.

* 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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