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CrossCountry
Great Western Railway

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Low prices found by our customers
Each fare is the lowest adult economy ticket fare found by our customers on Trainline. Fares booked further in advance than the dates displayed may be cheaper. Prices are updated daily, subject to change and indicative of price last update. Limited availability. Discount cards and coach journeys excluded, prices exclusive of booking fee.

Southampton to Heathrow Airport by train

It takes an average of 2h 48m to travel from Southampton to Heathrow Airport by train, over a distance of around 56 miles (91 km). There are normally 197 trains per day travelling from Southampton to Heathrow Airport and tickets for this journey start from £20.10 when you book in advance.

First train

03:49

Last train

00:05

Departure station

Southampton

Arrival station

Heathrow Airport

Journey time

From 1h 43m

Distance

56 miles (91 km)

Frequency

197 trains per day

Changes

2 changes

Price

From £20.10

Train operators

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

Southampton to Heathrow Airport train times

Check out the next trains departing from Southampton to Heathrow Airport for Thursday 24th April 2025 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
05:15On timesouthampton central07:12On timeheathrow terminal 4 (rail station only)Plat. 1 estimatedcrosscountry PeakGet tickets1h 57m, 2 changes
06:16On timesouthampton central08:31heathrow terminal 5 (rail station only)Plat. 1 estimatedcrosscountry PeakGet tickets2h 15m, 2 changes
06:30On timesouthampton central09:01heathrow terminal 5 (rail station only)Plat. 1 estimatedsouth western railway PeakGet tickets2h 31m, 2 changes
06:30On timesouthampton central09:01heathrow terminal 5 (rail station only)Plat. 1 estimatedsouth western railway PeakGet tickets2h 31m, 3 changes
07:00On timesouthampton central09:12On timeheathrow terminal 4 (rail station only)Plat. 1 estimatedsouth western railway PeakGet tickets2h 12m, 3 changes

Travelling from Southampton to Heathrow Airport by train

Looking to travel from Southampton to Heathrow Airport by train? You've come to the right place!

On average, it takes around 2 hours 48 minutes to travel from Southampton to Heathrow Airport by train, the fastest services can get you there in as little as 1 hour 43 minutes though. You'll usually find 197 trains per day running along the 56 miles (91 km) route between these two destinations. You'll need to make 2 changes during the journey to Heathrow Airport, as there currently aren't any direct services on this route. You can choose to travel with Great Western Railway, South Western Railway or Thameslink to get to Heathrow Airport. As the main rail operators on this route, their trains offer modern comfortable seating and plenty of space for luggage as standard.

To help you get great train deals, we'll highlight the cheapest train ticket prices from Southampton to Heathrow Airport in our Journey Planner. Just remember, as well as travelling Off-Peak or using a Railcard, the sooner you book your tickets, the more you'll save, as advance tickets start from £20.10.

Want to book your train tickets now? Just start a search with us today. If you want to find out more about the journey, scroll up for timetables including live train times, or keep reading for FAQs and tips on how to book cheap train tickets.

FAQs about the train journey from Southampton to Heathrow Airport

Want to know more about your journey from Southampton 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 travel to Heathrow Airport from Southampton?

To get to Heathrow Airport from Southampton, why not take the train? With 197 trains per day and an average journey time of 2 hours and 48 minutes, taking the train is a great way to travel. You can also catch the bus from Southampton to Heathrow Airport. See our Journey Planner for up-to-date times and prices.

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

On average, it takes around 2 hours and 48 minutes to travel from Southampton to Heathrow Airport by train, although you can get there in 1 hour and 43 minutes on the fastest services. With 197 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 Southampton to Heathrow Airport?

The price of a train ticket from Southampton to Heathrow Airport can start from as little as £20.10, 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 Southampton to Heathrow Airport?

The fastest time a train can travel the 56 miles (91 km) from Southampton to Heathrow Airport is 1 hour and 43 minutes.

Cheap train tickets from Southampton to Heathrow Airport

Train tickets from Southampton to Heathrow Airport start at £20.10 one way for a Standard Class ticket if you book in advance. As most UK train companies increase their prices as the departure date approaches, we’ll help you find the cheapest tickets.

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 Southampton 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.

Advance adult single fare. Excludes booking fee. Prices seen by Trainline customers in the last 30 days. Availability limited.
† Average savings on advance fares booked at least one week before day of travel vs Anytime fares purchased on day of travel. Subject to availability. Excludes coach.

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