Travelling from Heathrow to Southampton by train

Fast trains from Heathrow to Southampton take around 1 hour and 35 minutes, covering a distance of approximately 85 kilometres. There are frequent services on the rail route between Heathrow and Southampton.

1. Are there direct trains from Heathrow to Southampton?

Journeys between Heathrow and Southampton usually involve one change of train.

We usually find around 29 departures on the route from Heathrow to Southampton every weekday that leave enough time to change trains without waiting around for longer than necessary.

Trains are typically more frequent on weekends, when we found around 33 departures.

2. How long is the train journey from Heathrow to Southampton?

The Heathrow to Southampton train travel time is normally about 1 hour and 35 minutes, whatever time you make the journey.

3. What are the Heathrow to Southampton train times and schedule?

On weekdays the earliest train to Southampton is usually scheduled to depart Heathrow around 05:11 and the last train is around 00:13. At weekends the first train of the day leaves Heathrow around 05:22, and the last at 23:55.