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Heathrow Airport to Southampton by train
It takes an average of 2h 26m to travel from Heathrow Airport to Southampton by train, over a distance of around 56 miles (91 km). There are normally 178 trains per day traveling from Heathrow Airport to Southampton and tickets for this journey start from $38.28 when you book in advance.
| First train | 4:15 am | |
|---|---|---|
| Last train | 12:13 am | |
| Departure station | Heathrow Airport | |
| Arrival station | Southampton | |
| Journey time | From 1h 39m | |
| Distance | 56 miles (91 km) | |
| Frequency | 178 trains per day | |
| Changes | 2 changes | |
| Price | From $38.28 | |
| Train operators | CrossCountry, Great Western Railway, South Western Railway, Thameslink, Heathrow Express, Southern |
Travel by train from Heathrow Airport to Southampton
Just landed in the UK and need more information on how to travel from Heathrow to Southampton by train? You’ve come to the right place!
On average, the journey by train from Heathrow Airport to Southampton takes around 2 hours and 18 minutes, although the fastest services can take you there in just 1 hour and 36 minutes. As there are no direct services available on this route, you will need to make at least one change during your journey.
When traveling from Heathrow Airport to Southampton, there are a few routes to choose from. To get there quickly, we’d recommend taking the Elizabeth Line from Heathrow Airport station to Hayes & Harlington station. From here, you can take the Elizabeth line again to Reading station. Finally, you can take a CrossCountry service to Southampton Central station.
From the station, you’re a short walk from the city centre. Here, you’ll find the city’s most popular sights, including the SeaCity Museum and the Southampton City Art Gallery. From Southampton, you can also reach some of the country’s most beautiful national parks, including the New Forest and the South Downs.
If you’d like to book cheaper train fares, try traveling at Off-Peak times, as tickets are usually cheaper outside of morning/evening rush hours between Monday and Friday. Also, keep an eye out for Advance tickets, they are normally released 12 weeks prior to the departure date and tend to be a lot cheaper.
Want to book? Start a search for cheap train tickets from Heathrow Airport to Southampton in our Journey Planner at the top of the page. If you want to know more about the journey, keep reading for train timetables, tips on finding cheap tickets and FAQs including first and last train times.
FAQs 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.
Are there any direct trains from Heathrow Airport to Southampton?
How far is the train ride from Heathrow Airport to Southampton?
Can I take a flight-free trip from Heathrow Airport to Southampton?
What is the best way to travel to Southampton from Heathrow Airport?
What time does the first train run from Heathrow Airport to Southampton?
How late does the train from Heathrow Airport to Southampton run?
How many trains go from Heathrow Airport to Southampton per day?
When do tickets from Heathrow Airport to Southampton go on sale?
Planning a round trip from Heathrow Airport to Southampton?
Cheap train tickets from Heathrow Airport to Southampton
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 Southampton 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.
* Based on European average monthly visitors to Trainline’s app and website from 1.1.2023 to 10.31.2023 vs other independent retailers.