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Osny to Poissy buses

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Trip Overview

The average bus between Osny and Poissy takes 1h 21m and the fastest bus takes 54 min. There is a bus service every few hours from Osny 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.

1h 21m
Duration
24 km
Distance
Hourly
Frequency

Line 1242 bus, line 7816 bus

best
  1. Take the bus from William Thornley to Gare de Cergy Préfecture - Quai Bbus bus 1242
  2. Take the bus from Gare de Cergy Préfecture - Quai O to Gare Routière Nordbus bus 7816
1h 36m

Osny to Poissy bus times

Buses run hourly between Osny and Poissy. The earliest departure is at 6:12 AM in the morning, and the last departure from Osny is at 8:51 PM which arrives into Poissy at 9:45 PM. All services require a transfer at Gare de Cergy Préfecture - Quai B and take an average of 1h 21m. The schedules shown below are for the next available departures.

Departing Friday, November 6, 2026

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    Cergy-Pontoise ConfluenceLignes Île-de-France Ouest1h • 1 change

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    Cergy-Pontoise ConfluenceLignes Île-de-France Ouest1h 7m • 1 change

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    Cergy-Pontoise ConfluenceLignes Île-de-France Ouest1h 16m • 1 change

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    Cergy-Pontoise ConfluenceLignes Île-de-France Ouest1h 3m • 1 change
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Departing Saturday, November 7, 2026

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    Cergy-Pontoise ConfluenceLignes Île-de-France Ouest1h 8m • 1 change

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    Cergy-Pontoise ConfluenceLignes Île-de-France Ouest58 min • 1 change

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    Cergy-Pontoise ConfluenceLignes Île-de-France Ouest1h 13m • 1 change

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    Cergy-Pontoise ConfluenceLignes Île-de-France Ouest1h 31m • 1 change
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Departing Sunday, November 8, 2026

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    Arrives next day

    Cergy-Pontoise ConfluenceLignes Île-de-France Ouest9h 41m • 1 change

Departing Monday, November 9, 2026

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    Cergy-Pontoise ConfluenceLignes Île-de-France Ouest1h • 1 change

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    Cergy-Pontoise ConfluenceLignes Île-de-France Ouest1h 7m • 1 change

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    Cergy-Pontoise ConfluenceLignes Île-de-France Ouest1h 16m • 1 change

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    Cergy-Pontoise ConfluenceLignes Île-de-France Ouest1h 3m • 1 change
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Departing Tuesday, November 10, 2026

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    Cergy-Pontoise ConfluenceLignes Île-de-France Ouest1h • 1 change

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    Cergy-Pontoise ConfluenceLignes Île-de-France Ouest1h 7m • 1 change

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    Cergy-Pontoise ConfluenceLignes Île-de-France Ouest1h 16m • 1 change

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    Cergy-Pontoise ConfluenceLignes Île-de-France Ouest1h 3m • 1 change
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Departing Wednesday, November 11, 2026

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    Arrives next day

    Cergy-Pontoise ConfluenceLignes Île-de-France Ouest9h 41m • 1 change

Departing Thursday, November 12, 2026

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    Cergy-Pontoise ConfluenceLignes Île-de-France Ouest1h • 1 change

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    Cergy-Pontoise ConfluenceLignes Île-de-France Ouest1h 7m • 1 change

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    Cergy-Pontoise ConfluenceLignes Île-de-France Ouest1h 16m • 1 change

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    Cergy-Pontoise ConfluenceLignes Île-de-France Ouest1h 3m • 1 change
  • Show more

Frequently asked questions

Want to know about travelling from Osny 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.

Map of how to get from Osny to Poissy.ExpandLaunch map view
  • Distance: 24.1 km
  • Duration: 1h 21m

What companies run services between Osny, France and Poissy, France?

You can take a bus from William Thornley to Gare Routière Nord via Gare de Cergy Préfecture - Quai B and Gare de Cergy Préfecture - Quai O in around 1h 36m.

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