How much does a cheap train ticket from London to Watford cost?

The average train ticket price from London to Watford is $22. The best way to find cheap train tickets from London to Watford is to book your tickets as early as possible. Prices tend to rise as your travel date approaches, so book in advance to secure the best prices!

How long is the trip from London to Watford?

A train trip between London and Watford is around 45m, although the fastest train will take about 14m. This is the time it takes to travel the 26 km that separates the two cities.

How many daily trains are there between London and Watford?

The number of trains from London to Watford can differ depending on the day of the week. On average, there are 45. Some trains are direct while others include transferring trains. Simplify your train trip from London to Watford by comparing and selecting the train that fits your travel style and budget on Busbud.

Which train companies travel from London to Watford?

When taking the train from London to Watford, you can travel comfortably and safely with London Overground, West Midlands Railway, Southern.

Train London to Watford from $15

Next train departures

Next departures for London to Watford on November 19
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	7:15am	Euston Station	44m	7:59am	Watford High Street	Cheapest
Train	7:23am	Euston Station	14m	7:37am	Watford Junction	Fastest
Train	7:25am	Streatham	55m	8:20am	Watford Junction	No tags
Train	7:10am	Clapham Junction	1h 2m	8:12am	Watford High Street	No tags
Train	7:09am	Euston Station	20m	7:29am	Watford Junction	No tags

Last refresh of the prices: Yesterday at 8:58 PM GMT.

Compare 3 ways to go from London to Watford

We recommend carpooling

Among the sustainable travel choices, the carpool stands out as a good way to reach Watford. The journey takes about 40 minutes, and with fares starting at just $4, it presents an excellent value for a comfortable ride.

1carpool per day

40mAverage Duration

25 kmDistance

1kgCO₂ emissions

	Average Price	Average Duration	CO₂ emissions
Bus	Average Price$26 - $27	Average Duration54m	CO₂ emissions 1kg CO₂e
Train	Average Price$16 - $41	Average Duration45m	CO₂ emissions 0kg CO₂e
Carpool	Average Price$4 - $4	Average Duration40m	CO₂ emissions 1kg CO₂e

Train companies

London Overground

West Midlands Railway

2.5/55 reviews

Staff2.5

Timeliness1.3

Cleanliness2.5

Wifi0

Southern

4/534 reviews

Staff5

Timeliness5

Cleanliness5

Wifi5

Avanti West Coast

4/542 reviews

Staff4.1

Timeliness3.8

Cleanliness4.5

Wifi2.2

GB train and bus companies:Amtrak, Trenitalia, Renfe, VIA Rail Canada, RegioJet, FlixTrain, CrossCountry

Frequently asked questions about travelling from London to Watford by train

How much does a cheap train ticket from London to Watford cost?
The average train ticket price from London to Watford is $22. The best way to find cheap train tickets from London to Watford is to book your tickets as early as possible. Prices tend to rise as your travel date approaches, so book in advance to secure the best prices!
How long is the trip from London to Watford?
A train trip between London and Watford is around 45m, although the fastest train will take about 14m. This is the time it takes to travel the 26 km that separates the two cities.
How many daily trains are there between London and Watford?
The number of trains from London to Watford can differ depending on the day of the week. On average, there are 45. Some trains are direct while others include transferring trains. Simplify your train trip from London to Watford by comparing and selecting the train that fits your travel style and budget on Busbud.
Which train companies travel from London to Watford?
When taking the train from London to Watford, you can travel comfortably and safely with London Overground, West Midlands Railway, Southern.

Find cheapest prices for trains

Price is for a one-way ticket for one passenger and based on past searches.

Best price found

11-13

$18

11-14

$15

Today

$20

11-16

$18

11-17

$20

11-18

$18

11-19

$20

11-20

$20

The cheapest trip from London to Watford was searched and found on Nov 14, 2025 with a price of $15

To save money and be sure you have the best seat, it's a good idea to buy your train tickets from London to Watford, as early as possible.

You can expect to pay from $15 to $32 for a train ticket from London to Watford based on the last 2 days. You can expect to find the cheapest price for the trip at $18 which is on 2025-11-16.

Usually Southern, West Midlands Railway will charge you higher prices for tickets closer to the departure date. To find the best prices, you should be flexible on your date of travel.