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Southampton to Watford Train

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08/12/2025
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Southampton to Watford by train

The journey from Southampton to Watford by train is 67.85 mi and takes 2 hrs 49 mins. There are 146 connections per day, with the first departure at 03:52 and the last at 23:59. It is possible to travel from Southampton to Watford by train for as little as £6.58 or as much as £81.89. The best price for this journey is £6.58.

Lowest Price £6.58
Journey Duration 2 hrs 49 mins
Connection per Day 146
Lowest Price £6.58
Highest Price £81.89
First Departure 03:52
Last Departure 23:59
Distance 67.85 mi
Departure Southampton
Arrival Watford
Carriers National Rail

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Best time to book cheap train tickets from Southampton to Watford

The cheapest Southampton - Watford train tickets can be found for as low as £29.27 if you’re lucky, or £33.12 on average. The most expensive ticket can cost as much as £35.61.

Find the best day to travel to Watford by train

When travelling to Watford by train, if you want to avoid crowds you can check how frequently our customers are travelling in the next 30-days using the graph below. On average, the peak hours to travel are between 6:30am and 9am in the morning, or between 4pm and 7pm in the evening. Please keep this in mind when travelling to your point of departure as you may need some extra time to arrive, particularly in big cities!

Southampton to Watford CO2 Emissions by Train

Ecology
Train
7.64kg
Bus
8.19kg
Flight
21.84kg
Car
17.47kg
What are the CO2 emissions from Southampton to Watford by train? The CO2 emissions from taking the train between Southampton and Watford are 7.64kg.
How much CO2 do I save by taking the train between Southampton and Watford? By taking the train between Southampton and Watford you will save 14.2kg CO2 emissions compared to a flight, 0.55kg compared to a bus and 9.83kg compared to a car.

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Frequently Asked Questions

How much is a train ticket from Southampton to Watford?
A train ticket from Southampton to Watford is £37.17. However the price varies depending on how early you buy, and if it's peak time to travel. Occasionally you can find them for as cheap as £6.58.
What's the cheapest train ticket from Southampton to Watford?
The cheapest ticket you can get from Southampton to Watford is £6.58. We recommend booking as early as possible and off-peak hours to get the cheapest ticket possible. Off-peak times are usually from 09:30 to 16:00, and after 19:00.
What's the distance between Southampton and Watford by train?
Southampton to Watford is 67.85 mi.
How long does the train between Southampton and Watford take?
Southampton to Watford is on average 2 hrs 49 mins. However the fastest option will get you there in 2 hrs 4 mins.
How many train connections per day go from Southampton to Watford?
Southampton to Watford has 146 connection(s) per day on average.
What time does the first train from Southampton to Watford leave?
The earliest train from Southampton to Watford departs at 03:52. However be sure to check with us the schedule on the day you want to leave as the time may differ.
What time does the last train from Southampton to Watford depart?
The latest train from Southampton to Watford departs at 23:59. However be sure to check with us the schedule on the day you want to leave as the time may differ.
Should I book my ticket from Southampton to Watford in advance?
If you can, we recommend booking your ticket as early as possible to ensure you get better savings. The cheapest train ticket we have found is £6.58 but this may be subject to change depending on the day of travel, hour you wish to depart and how far in advance you book.
What's the fastest journey time between Southampton to Watford by train?
The fastest journey time by train between Southampton and Watford is 2 hrs 4 mins.
Is there a direct train from Southampton to Watford?
Yes, there is a direct train between Southampton and Watford.
What are the CO2 emissions for Southampton to Watford by train?
The train journey from Southampton to Watford creates 7.64kg of CO2 emissions.

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