Trains from Heathrow Airport to Southampton from $36.54*

Arriving in Southampton

Every day, up to train depart from Heathrow Airport and arrive in Southampton, with the shortest journey taking 1h 39m minutes.

Book cheap train tickets from Heathrow Airport to Southampton

Finding cheap train tickets from Heathrow Airport to Southampton doesn't have to be a challenging task. With the right knowledge and by using available discounts and travel options, saving money with Trip.com can become effortless. Here are a few valuable tips to help you save money on your train travel.

Traveling during off-peak hours

Taking advantage of Off-Peak train tickets is another effective way to save money on your train journey from Heathrow Airport to Southampton. These tickets are generally cheaper than peak-time tickets and can be used during less busy periods, typically outside of the morning and evening rush hours. If your schedule allows for flexibility, opting for off-peak hours can lead to substantial cost savings. It's important to note that in most cities and large towns, off-peak hours usually start at 09:30 from Monday to Friday, while in other areas, they typically begin at 09:00.

Split Tickets to save an average extra 30%

How can you make your journey from Heathrow Airport to Southampton cheaper? One option to consider is splitting your tickets, which can save you around an extra 30% on fares. Instead of purchasing a direct ticket from A to B, you can split the route into two sections: A to C and C to B. This often turns out to be more affordable than buying a direct ticket.

Get 1/3 off with a Railcard

Various Railcards are available for different groups and can save you up to 1/3 on fares from Heathrow Airport to Southampton. You can choose the 16–25 Railcard or Senior Railcard based on your age. Additionally, the Family & Friends Railcard or Two Together Railcard are good options for group travel.