Cachan to Poissy Trains

Trip Overview

The average train between Cachan and Poissy takes 44 min and the fastest train takes 39 min. The train runs at least 2 times per hour from Cachan to Poissy. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

44 min
Duration: 39 km
Distance: €8
Average price: Every 30 minutes
Frequency

Line 14 subway, train

best

Take the subway from Villejuif - Gustave Roussy to Saint-Lazaresubway 14
Take the train from Gare Saint-Lazare to Poissytrain J

59 min

€7–9

Cachan to Poissy train times

Trains run every 30 minutes between Cachan and Poissy. The earliest departure is at 12:34 AM at night, and the last departure from Cachan is at 11:54 PM which arrives into Poissy at 12:42 AM. All services require a transfer at Saint-Lazare and take an average of 44 min. The schedules shown below are for the next available departures.

Departing Monday, November 9, 2026

7:51 PM → 8:37 PM
45 min • 1 change
8:24 PM → 9:07 PM
42 min • 1 change
8:48 PM → 9:36 PM
48 min • 1 change
9:18 PM → 10:07 PM
48 min • 1 change

Departing Tuesday, November 10, 2026

5:49 AM → 6:33 AM
43 min • 1 change
6:22 AM → 7:06 AM
44 min • 1 change
6:50 AM → 7:35 AM
45 min • 1 change
7:22 AM → 8:06 AM
44 min • 1 change
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Departing Wednesday, November 11, 2026

5:50 AM → 6:35 AM
45 min • 1 change
6:47 AM → 7:35 AM
47 min • 1 change
7:51 AM → 8:36 AM
44 min • 1 change
8:47 AM → 9:35 AM
47 min • 1 change
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Departing Thursday, November 12, 2026

5:50 AM → 6:33 AM
43 min • 1 change
6:20 AM → 7:06 AM
46 min • 1 change
6:51 AM → 7:35 AM
44 min • 1 change
7:22 AM → 8:06 AM
44 min • 1 change
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Departing Friday, November 13, 2026

5:50 AM → 6:33 AM
43 min • 1 change
6:20 AM → 7:06 AM
46 min • 1 change
6:51 AM → 7:35 AM
44 min • 1 change
7:23 AM → 8:06 AM
43 min • 1 change
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Departing Saturday, November 14, 2026

5:50 AM → 6:35 AM
45 min • 1 change
6:20 AM → 7:06 AM
46 min • 1 change
6:50 AM → 7:35 AM
44 min • 1 change
7:21 AM → 8:05 AM
44 min • 1 change
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Departing Sunday, November 15, 2026

12:34 AM → 1:30 AM
55 min • 1 change
5:50 AM → 6:35 AM
45 min • 1 change
6:47 AM → 7:35 AM
47 min • 1 change
7:51 AM → 8:36 AM
44 min • 1 change
Show more

Frequently asked questions

Want to know about travelling from Cachan to Poissy? 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.