Rosny-sur-Seine Holidays from £352

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Your Rosny-sur-Seine Holiday

Food, history, entertainment and more … It's all waiting for you with a Rosny-sur-Seine holiday package. And with the ability to easily customise your city break, it's guaranteed to be one you won't forget. If your trip to Rosny-sur-Seine includes some sightseeing, don't miss much-loved attractions like Chateau de la Roche-Guyon, Park Valley and Boucles de Seine Golf Course. Don't delay your visit to this destination any longer. Your perfect Rosny-sur-Seine holiday is only a few clicks away with Expedia.

Top Rosny-sur-Seine Flight + Hotel Deals

Price found within the past 48 hours. Click for updated prices.
Hôtel Brittany Opéra
Hotel Nation Montmartre
Hôtel Chamar
Hôtel Le Milie Rose
Hotel Touraine Opera

The Annual Holiday Sale

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Rosny-sur-Seine Essential Information

Language
French
Currency
Euros
Local Welcome
Salut / Bonjour
Local Goodbye
Au revoir / À bientôt
Population
4,900
Max Temp Winter
7ºC
Max Temp Summer
24ºC
Top Sights
Park and Castle of Thoiry, Chateau de la Roche-Guyon and French Vexin Regional Natural Park

Top hotels in Rosny-sur-Seine

Cowool Cergy

Cowool Cergy

4 out of 5
34 Boulevard Du Port Cergy
Fully refundableReserve now, pay when you stay
The price is £67 per night from 6 Mar to 7 Mar
£67
6 Mar - 7 Mar
includes taxes & fees
8.4/10 Very Good! (1,231 reviews)
I am a US business traveller. Stayed 70 nights last year. Not typically staying abroad so use that as context. This hotel is in a college/university area. It seems like there may be some short term living here in addition to hotel overnight stays. The common area is very large and has multiple places ...

Reviewed on 22 Jan 2026

Cowool Cergy
ibis Styles Poissy

ibis Styles Poissy

3 out of 5
97 Avenue Maurice Berteaux Poissy Yvelines
Fully refundableReserve now, pay when you stay
The price is £80 per night from 27 Mar to 28 Mar
£80
27 Mar - 28 Mar
includes taxes & fees
7.4/10 Good! (188 reviews)
Friendly staff. Good for business if you need visit Stellantis. RER A just there.

Reviewed on 13 Feb 2026

ibis Styles Poissy
Campanile NATURE - Villennes sur Seine Poissy

Campanile NATURE - Villennes sur Seine Poissy

3 out of 5
Zac Du Pres Seigneur Villennes-sur-Seine Yvelines
Fully refundableReserve now, pay when you stay
The price is £64 per night from 7 Mar to 8 Mar
£64
7 Mar - 8 Mar
includes taxes & fees
8/10 Very Good! (353 reviews)
For the price paid, this was decent. What we did not like : we had an interconnecting room and could hear every single word from our neighbours.

Reviewed on 11 Nov 2025

Campanile NATURE - Villennes sur Seine Poissy
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

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* Savings based on package bookings compared to the price of the same components booked separately. Savings not available on all packages. Flight-inclusive packages are ATOL protected.