I want to book metro tickets for my transfer

If you happen to have a layover in Paris, there's a good chance you'll need to travel to a different station within the city. The most efficient way to get there is by taking the subway.

Please note that subway fares are not included with your train tickets, and as of now, you cannot buy them in advance. However, buying subway tickets at the station is a breeze. It's a quick process, typically taking just 1-2 minutes, and there are no long lines to worry about. Plus, you can use various payment methods for your convenience.