When you arrive at Paris Gare du Nord, buy a t+ ticket from a ticket machine or ticket desk.
Follow signs to RER Line E going in the direction of Haussmann St Lazare. You’ll board the train from Magenta station which is part of Gare du Nord.
Get off the train at Haussmann St Lazare and leave the RER station.
Follow the signs and walk to Gare Saint Lazare where you’ll catch a connecting train.
How to get back from Gare Saint Lazare to Paris Gare du Nord
When you arrive at Gare Saint Lazare, buy a t+ ticket
Take the RER Line E in the direction of Chelles-Gournay or Tournan.
Get off the train at Magenta.
Approximate train journey time: 30 minutes
Approximate taxi journey time: 20 minutes