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Southampton to Heathrow Terminal 3 Train prices and times

Use Trip.com to buy tickets from Southampton to Heathrow Terminal 3, starting from €84.60 and averaging €90.36. The entire journey takes no more than 1h 43m. If you want to get a greater discounts, consider purchasing split tickets. Additionally, buying in advance is also good choice.

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DepartureArrivalDurationOperator
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13:20
Southampton Central
17:21
Heathrow Terminals 2 & 3
4h 1m, Changes requiredSouthernThameslinkElizabeth line
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13:23
Southampton Airport Parkway
15:21
Heathrow Terminals 2 & 3
1h 58m, Changes requiredCrossCountryElizabeth line
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13:38
Southampton Airport Parkway
15:55
Heathrow Terminals 2 & 3
2h 17m, Changes requiredSouth Western RailwayHeathrow Express
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13:50
Southampton Central
17:37
Heathrow Terminals 2 & 3
3h 47m, Changes requiredSouthernThameslinkElizabeth line
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14:20
Southampton Central
18:07
Heathrow Terminals 2 & 3
3h 47m, Changes requiredSouthernThameslinkElizabeth line
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14:23
Southampton Airport Parkway
16:21
Paris
1h 58m, Changes requiredCrossCountryElizabeth line
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Southampton to Heathrow Terminal 3 Train Route Details

First train
First train
05:23
Last train
Last train
23:08
Departure station
Departure station
Southampton
Arrival station
Arrival station
Heathrow Terminal 3
Journey time
Journey time
1h 43m
Distance
Distance
92 km
Price
Price
€84.60*
Train operators
Train operators
Heathrow Express, Elizabeth line, CrossCountry

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

Traveling in off-peak train times

Traveling in off-peak train times

We recommend buying train tickets from Southampton to Heathrow Terminal 3 during off-peak hours. These times are usually before 06:30, between 09:30 and 16:00, and after 19:00 on weekdays, as well as all day on weekends and bank holidays. Choosing Off-Peak train tickets means benefiting from cheaper fares and less crowded trains, making your journey more enjoyable.
Get 1/3 off with a Railcard

Get 1/3 off with a Railcard

You can choose a Railcard to help you save up to 1/3 on fares from Southampton to Heathrow Terminal 3 for various reasons, such as your age (including the 16–25 Railcard or Senior Railcard) or options geared towards group travel (Family & Friends Railcard and Two Together Railcard). Discover more here.
Split tickets to save an average extra 30%

Split tickets to save an average extra 30%

Splitting tickets involves buying separate, cheaper tickets for different parts of your journey on the same train instead of just one ticket for the entire trip. For instance, if you're traveling from Southampton to Heathrow Terminal 3, you might find that purchasing a ticket from A to C, then C to B costs less than a direct ticket. This method is perfectly legal and often doesn't require leaving your seat.
Book in advance to save an average of 61%

Book in advance to save an average of 61%

Did you know that purchasing Advance Tickets can significantly reduce your travel expenses? On average, these tickets can save you an impressive 61% on fares. The best part is that the earlier you book (ideally up to 12 weeks in advance), the greater the savings!
Travel in a group to save 1/3

Travel in a group to save 1/3

If you are planning a trip with a group of three to nine people, take advantage of ⅓ off standard fares with group travel discounts, offered by many train companies, perfect for journeys with your family, friends, or colleagues.

Southampton to Heathrow Terminal 3 train ticket types

Save money on your trip from Southampton to Heathrow Terminal 3 with suitable train tickets. It's a great way to spend less!

Why Book Train Tickets With Trip.com?

  • Split Tickets

    Best price promise

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  • Split Tickets

    Split Tickets

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

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