Trains tickets from Watford to London

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Compare 2 ways to travel from Watford to London

Bus
Average priceUS$19 - US$19Average duration45m
1kg CO₂e5 out of 5 stars
Most eco-friendly
Carpool
Average priceUS$4 - US$4Average duration40m
1kg CO₂e4 out of 5 stars
CheapestFastest
busbud logoBusbud recommends carpooling from Watford to London

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

1carpool per day
40mAverage duration
US$4Cheapest ticket
1kgCO₂ emissions

Find cheapest prices for trains

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

Best price found
08/08
US$13
09/08
US$10
Today
US$15
11/08
US$13
12/08
US$10
13/08
US$15
14/08
US$13
15/08
US$16
busbud logoThe cheapest trip from Watford to London was searched and found on 12 Aug 2025 with a price of US$10

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

You can expect to pay from US$10 to US$48 for a train ticket from Watford to London based on the last 2 days. You can expect to find the cheapest price for the trip at US$10, which is on 2025-08-12.

Usually RDG_SOUTHERN 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.

About Train Travel

Train Travel Tips

Taking the fastest trains allows you to travel at speeds greater than 300 km/h. Taking a trip from Watford to London is not only much quicker but more comfortable too! You can usually travel directly to the city centre and save time while you're at it.

Regional train? High-speed train? Whichever train to London you take, you’ll help reduce the environmental impact and carbon footprint of your trip. As you watch the landscapes unfold before your eyes, you can tell yourself that with this choice, you are making sure they remain protected.

By choosing the train between Watford and London, you emit up to 30 times less CO2 than for the same journey made by plane or car!

Create your own real-life musical score by curating a personalised train travel playlist – the perfect accompaniment for your journey from Watford to London.

Did you know?

You can find the straightest railway in the world in Australia. This railway line is 478 kilometres long and is also considered the longest and straightest railway line in the world.

The magnetic levitation train (Maglev for short) is currently the fastest train in the world. With a speed of 603 km/ h, it is closely followed by the French high-speed train (574.8 km / h) which remains in 2020, the fastest train to date

Some trains in Sweden can recover more than a fifth of the energy they use by braking. This is especially true with ore trains as they descend from Narvik to Kiruna.

Will you be returning to Watford by train?

Train from London to Watford

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