The average train between Watford and Welwyn takes 1h 7m and the fastest train takes 35 min. There is an hourly train service from Watford to Welwyn. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run hourly between Watford and Welwyn. The earliest departure is at 12:07 AM at night, and the last departure from Watford is at 11:36 PM which arrives into Welwyn at 12:40 AM. All services require a transfer at London Euston and take an average of 1h 7m. The schedules shown below are for the next available departures.

1h 9m • 1 change

1h 17m • 1 change

1h 5m • 1 change
Arrives next day

1h 4m • 1 change

1h 24m • 1 change

1h 20m • 1 change

1h 23m • 1 change

1h 17m • 1 change

57 min • 1 change

1h 25m • 1 change

1h 59m • 1 change

1h 28m • 1 change
Want to know about travelling from Watford to Welwyn? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct train from Watford to Welwyn. However, there are services departing from Watford station and arriving at Welwyn station via London Euston. The journey, including transfers, takes approximately 1h 7m.
Watford to Welwyn train services, operated by Avanti West Coast, depart from Watford Junction station.
Watford to Welwyn train services, operated by Avanti West Coast, arrive at Welwyn North station.
Book your Watford to Welwyn train tickets online with Avanti West Coast, Great Northern and 3 other operators.
The distance between Watford and Welwyn is 23 km. The road distance is 64 km.
You can take a train from Watford Junction to Welwyn North via London Euston and King's Cross in around 1h 27m.