Rosny-sur-Seine Vacations from $761

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Your Rosny-sur-Seine Vacation

Food, history, entertainment and more … It's all waiting for you with a Rosny-sur-Seine vacation package. And with the ability to easily customize 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 vacation is only a few clicks away with Expedia.

The Latest Rosny-sur-Seine vacation packages

Price found within the past 48 hours. Click for updated prices.
Hôtel Hélios Opéra

Hôtel Hélios Opéra

4 out of 5
9th Arrondissement
Price was $1,152, price is now $761 per person
$761
per person
Nov 28 - Dec 1
found 1 day ago
Roundtrip non-stop flight included
Boston (BOS) to Paris (CDG)
8.6/10 Excellent! (1,001 reviews)
Staff was super nice. Hotel was soo clean!

Reviewed on Sep 26, 2025

Hôtel MARAIS HÔme

Hôtel MARAIS HÔme

3 out of 5
11th Arrondissement
Save 100% on your flight
Price was $1,442, price is now $916 per person
$916
per person
Nov 28 - Dec 3
found 23 hours ago
Roundtrip non-stop flight included
Boston (BOS) to Paris (CDG)
9/10 Wonderful! (1,001 reviews)
Staff was wonderful and access to the train and the Marais neighborhood was easy.

Reviewed on Oct 12, 2025

Hôtel Joe M

Hôtel Joe M

3 out of 5
9th Arrondissement
Save 100% on your flight
Price was $1,584, price is now $1,006 per person
$1,006
per person
Nov 28 - Dec 3
found 18 hours ago
Roundtrip flight included
Boston (BOS) to Paris (CDG)
9.2/10 Wonderful! (312 reviews)
Very clean. Great location. Comfortable bed. The shower and lift were tiny but this is expected in Paris.

Reviewed on Oct 14, 2025

Castille Paris - Starhotels Collezione

Castille Paris - Starhotels Collezione

5 out of 5
Paris City Center
Save 100% on your flight
Price was $2,036, price is now $1,335 per person
$1,335
per person
Nov 16 - Nov 21
found 1 day ago
Roundtrip flight included
Boston (BOS) to Paris (CDG)
9/10 Wonderful! (1,006 reviews)
The room was really nice, and the hotel is in a great location to walk to many of the top museums we went to. The metro is close too. The staff were all so friendly and helpful. We celebrated our 25th wedding anniversary in Paris, and we are so glad we chose to stay at Hotel Castille!

Reviewed on Oct 5, 2025

Hôtel Seb&Co

Hôtel Seb&Co

3 out of 5
11th Arrondissement
Save 100% on your flight
Price was $2,546, price is now $1,730 per person
$1,730
per person
Dec 28 - Jan 1
found 1 day ago
Roundtrip non-stop flight included
New York (NYC) to Paris (CDG)
10/10 Exceptional! (2 reviews)
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Rosny-sur-Seine Hotel Deals

Cowool Cergy

Cowool Cergy

4 out of 5
34 Boulevard Du Port, Cergy
Fully refundableReserve now, pay when you stay
$91 nightly
The price is $115 total per night from Oct 31 to Nov 1
$115 total
Oct 31 - Nov 1
Total with taxes and fees
8.2/10 Very Good! (1,201 reviews)
"Super friendly staff. Great walkable neighbourhood with lots of dining options, Very clean and comfortable room"

Reviewed on Sep 13, 2025

Cowool Cergy
B&B HOTEL Cergy Saint-Christophe Gare

B&B HOTEL Cergy Saint-Christophe Gare

3 out of 5
2 rue des Cyclades, Cergy
Fully refundableReserve now, pay when you stay
$63 nightly
The price is $79 total per night from Oct 17 to Oct 18
$79 total
Oct 17 - Oct 18
Total with taxes and fees
8.2/10 Very Good! (35 reviews)
"I was happy of my stay and I will go back there again in future ❤️🇫🇷👌"

Reviewed on Oct 9, 2025

B&B HOTEL Cergy Saint-Christophe Gare
Holiday Inn Express Paris Poissy by IHG

Holiday Inn Express Paris Poissy by IHG

3 out of 5
19 BOULEVARD ROBESPIERRE, Poissy
Fully refundable
$80 nightly
The price is $100 total per night from Oct 18 to Oct 19
$100 total
Oct 18 - Oct 19
Total with taxes and fees
9.4/10 Exceptional! (42 reviews)
"Very nice breakfast, new hotel in quiet neighborhood, pay paring with EV charging option included, easy check in, clean room."

Reviewed on Aug 21, 2025

Holiday Inn Express Paris Poissy by IHG
See all 824 properties in Rosny-sur-Seine
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.

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
45ºF
Max Temp Summer
75ºF
Top Sights
Park and Castle of Thoiry, Chateau de la Roche-Guyon and French Vexin Regional Natural Park

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Frequently asked questions

How much does a Rosny-sur-Seine vacation package cost?
You can snap up a vacation package to this destination from $761 on Expedia. But how much your vacation to Rosny-sur-Seine costs will depend on the length of stay, hotel choice and season.
What are the cheapest months to go to Rosny-sur-Seine?
November, December and January are great times to search for cheap Rosny-sur-Seine vacation packages. Traveling in less busy months means you can generally find reduced prices on flights and hotels.
How many days is enough for Rosny-sur-Seine?
The ideal duration of your Rosny-sur-Seine vacation depends on what you'd like to see. Generally, a few days to a week will give you time to visit all the major sights and explore some hidden gems along the way.
How to find the best Rosny-sur-Seine package deals?
Use Expedia's handy filters to find some unbeatable Rosny-sur-Seine package deals. When you begin your search, just set your maximum budget and then order the results by "Price: low to high." If you want to save, plan your break for midweek, or search for Rosny-sur-Seine package deals in the off-peak season. Play around with your travel dates and you may land even better discounts. As a rule of thumb, it's usually best to book your vacation package well in advance.
Is it cheaper to book a Rosny-sur-Seine vacation as a package?
You can enjoy significant savings on your next Rosny-sur-Seine getaway by booking a customized vacation package. Click on the "Package" heading, then select your travel dates and destination to view the best flight and hotel prices. Bundle everything into a neat package and you can save hundreds of dollars. Consider adding a rental car and you may land a better deal.
When to book a vacation package to Rosny-sur-Seine?
Land amazing discounts by booking your flights ahead of time with Expedia. If being spontaneous is more your thing, snap up one of our last-minute deals for a spur-of-the-moment Rosny-sur-Seine escape.
Does Expedia offer Book Now, Pay Later Rosny-sur-Seine vacation packages?
If you're anything like us, you love jet-setting around the world but are not a fan of the big price tag that can come with it. That's why we offer Book Now, Pay Later vacations. With help from online lender Affirm, you can break down the total cost of your Rosny-sur-Seine vacation across 3, 6 or 12 months. There are also no hidden costs or late payment fees, so you can secure great vacation packages with payment plans as soon as you spot them.
* Savings based on package bookings compared to the price of the same components booked separately. Savings not available on all packages.