Heathrow to Southampton Trains

Heathrow to Southampton trains

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Trip Overview

The average train between Heathrow and Southampton takes 1h 46m and the fastest train takes 1h 39m. There is a train service every few hours from Heathrow to Southampton. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

1h 46m
Duration: 97 mi
Distance: £74
Average price: Hourly
Frequency

Train

best

Take the train from London Paddington to Readingtrain London Paddington - Bristol Temple Meads / ...
Take the train from Reading to Southampton Centraltrain Manchester Piccadilly - Bournemouth / ...

2h 19m

£46–117

Heathrow to Southampton train times

Trains run hourly between Heathrow and Southampton. The earliest departure is at 6:47 AM in the morning, and the last departure from Heathrow is at 9:47 PM which arrives into Southampton at 11:45 PM. All services require a transfer at London Paddington and take an average of 1h 46m. The schedules shown below are for the next available departures.

Departing Wednesday, October 21, 2026

12:02 PM → 1:43 PM
1h 40m • 2 changes
1:02 PM → 2:43 PM
1h 40m • 2 changes
2:02 PM → 3:43 PM
1h 40m • 2 changes
3:02 PM → 4:43 PM
1h 41m • 2 changes
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Departing Thursday, October 22, 2026

6:47 AM → 8:42 AM
1h 54m • 2 changes
8:02 AM → 9:43 AM
1h 40m • 2 changes
9:02 AM → 10:42 AM
1h 39m • 2 changes
10:02 AM → 11:43 AM
1h 40m • 2 changes
Show more

Departing Friday, October 23, 2026

6:47 AM → 8:42 AM
1h 54m • 2 changes
8:02 AM → 9:43 AM
1h 40m • 2 changes
9:02 AM → 10:42 AM
1h 39m • 2 changes
10:02 AM → 11:43 AM
1h 40m • 2 changes
Show more

Departing Saturday, October 24, 2026

7:02 AM → 8:48 AM
1h 45m • 2 changes
7:47 AM → 9:43 AM
1h 55m • 2 changes
9:02 AM → 10:42 AM
1h 40m • 2 changes
10:02 AM → 11:42 AM
1h 40m • 2 changes
Show more

Departing Sunday, October 25, 2026

8:47 AM → 10:42 AM
1h 54m • 2 changes
9:47 AM → 11:42 AM
1h 54m • 2 changes
10:47 AM → 12:43 PM
1h 56m • 2 changes
11:47 AM → 1:42 PM
1h 54m • 2 changes
Show more

Departing Monday, October 26, 2026

6:47 AM → 8:42 AM
1h 54m • 2 changes
8:02 AM → 9:43 AM
1h 40m • 2 changes
9:02 AM → 10:42 AM
1h 39m • 2 changes
10:02 AM → 11:43 AM
1h 40m • 2 changes
Show more

Departing Tuesday, October 27, 2026

6:47 AM → 8:42 AM
1h 54m • 2 changes
8:02 AM → 9:43 AM
1h 40m • 2 changes
9:02 AM → 10:42 AM
1h 39m • 2 changes
10:02 AM → 11:43 AM
1h 40m • 2 changes
Show more

Frequently asked questions

Want to know about travelling from Heathrow to Southampton? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.