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Heathrow Terminal 3 to Southampton train prices and times

Looking to travel from Heathrow Terminal 3 to Southampton? You can buy train tickets with Trip.com for as low as AU$ 147.32, with average prices for this route around AU$ 184.42.

To get the best deals, we' d recommend buying in advance and researching alternatives such as split tickets.

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DepartsArrivesDurationOperator
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15:36
Heathrow Terminals 2 & 3
19:31
Southampton Central
3h 55m, No directElizabeth lineThameslinkSouthern
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15:55
Heathrow Terminals 2 & 3
17:35
Southampton Airport Parkway
1h 40m, No directElizabeth lineCrossCountry
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16:06
Heathrow Terminals 2 & 3
18:11
Southampton Airport Parkway
2h 5m, No directElizabeth lineGreat Western RailwaySouth Western Railway
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16:06
Heathrow Terminals 2 & 3
20:03
Southampton Central
3h 57m, No directElizabeth lineThameslinkSouthern
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16:36
Heathrow Terminals 2 & 3
20:33
Southampton Central
3h 57m, No directElizabeth lineThameslinkSouthern
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16:55
Heathrow Terminals 2 & 3
18:34
Paris
1h 39m, No directElizabeth lineCrossCountry
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Heathrow Terminal 3 to Southampton train route details

First train
First train
00:04
Last train
Last train
23:32
Departure station
Departure station
Heathrow Terminal 3
Arrival station
Arrival station
Southampton
Journey time
Journey time
1h 39m
Distance
Distance
92 km
Price
Price
AU$ 147.32*
Train Operators
Train Operators
Heathrow Express, Elizabeth line, CrossCountry

How to book cheap train tickets from Heathrow Terminal 3 to Southampton

Travelling in off-peak train times

Travelling in off-peak train times

Taking advantage of Off-Peak train tickets is another effective way to save on your train journey from Heathrow Terminal 3 to Southampton. These tickets are generally cheaper and can be used during quieter periods, typically outside of morning (06:30-09:30) and evening (16:00-19:00) rush hours on weekdays.
Using the Railcard for 1/3 off

Using the Railcard for 1/3 off

Railcards offer discounts of up to 1/3 on most tickets. There are various types of Railcards catering to different types of travellers, such as the 16–25 Railcard, the Family & Friends Railcard, and the Senior Railcard. For more information on Railcards and how they can help you save, visit Railcards here.
Split Tickets to save an average extra 30%

Split Tickets to save an average extra 30%

Another option to consider is splitting your tickets, which can save you around extra 30% on fares. Instead of purchasing a direct ticket from Heathrow Terminal 3 to Southampton, you can split the route into two legs: A to C and C to B. This often turns out to be more affordable than buying a direct ticket, and you won’t even need to leave the train… or often your seat!.
Book in advance to save an average of 61%

Book in advance to save an average of 61%

Advance Tickets are usually released up to 12 weeks before the travel date and can be significantly cheaper than tickets purchased closer to departure. By planning your trip from Heathrow Terminal 3 to Southampton ahead of time and securing your tickets early, you can save up to 61% on the cost of your travel.
Group travels to save 1/3

Group travels to save 1/3

If you are travelling in a group, be sure to check out group travel discounts. Many train companies offer a ⅓ off standard fares for groups of three to nine people, making travelling from Heathrow Terminal 3 to Southampton more affordable for families, friends, or colleagues planning a trip together.

Heathrow Terminal 3 to Southampton train ticket types

Here are different ticket types available for this route, each with its own benefits and restrictions. Here are the options to consider:

Why Book Train Tickets With Trip.com?

  • Split Tickets

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  • Split Tickets

    Split Tickets

    Save an average of 30% on train fares by splitting your Heathrow Terminal 3 to Southampton journey

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*After comparing the full year of 2023 for Split tickets and full-price tickets on Trip.com, the average savings rate for Split tickets is 30%.