Rosny-sur-Seine Vacations from $1,492

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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.
Normandy Hotel Paris – Saint-Honoré

Normandy Hotel Paris – Saint-Honoré

4 out of 5
Paris City Center
Save 100% on your flight
Price was $2,163, price is now $1,492 per person
$1,492
per person
Jan 14 - Jan 20
found 1 day ago
Roundtrip non-stop flight included
Boston (BOS) to Paris (CDG)
9/10 Wonderful! (555 reviews)
Excellent stay! Staff was very helpful and very nice!

Reviewed on Nov 13, 2026

Hotel de Seine

Hotel de Seine

3 out of 5
Saint-Germain-des-Prés
Price was $2,769, price is now $1,879 per person
$1,879
per person
Jan 6 - Jan 13
found 1 day ago
Roundtrip flight included
Los Angeles (LAX) to Paris (CDG)
8.8/10 Excellent! (538 reviews)
Great location, accommodating staff and quiet rooms.

Reviewed on Nov 12, 2026

Mondovi Luxury Suites

Mondovi Luxury Suites

5 out of 5
Paris City Center
Price was $3,409, price is now $2,336 per person
$2,336
per person
Jan 7 - Jan 13
found 24 hours ago
Roundtrip flight included
New York (NYC) to Paris (CDG)
10/10 Exceptional! (63 reviews)

Hotel Alfred Sommier

Hotel Alfred Sommier

5 out of 5
8th Arrondissement
Price was $4,679, price is now $3,236 per person
$3,236
per person
Dec 26 - Jan 2
found 1 day ago
Roundtrip non-stop flight included
Boston (BOS) to Paris (CDG)
9/10 Wonderful! (912 reviews)
Lovely hotel in a great location. The staff were wonderful and friendly. Great value hotel.

Reviewed on Nov 4, 2026

Hotel St Pétersbourg Opéra & Spa

Hotel St Pétersbourg Opéra & Spa

4 out of 5
9th Arrondissement
Price was $3,078, price is now $2,155 per person
$2,155
per person
Dec 27 - Jan 2
found 1 day ago
Roundtrip non-stop flight included
Boston (BOS) to Paris (CDG)
9/10 Wonderful! (967 reviews)

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Rosny-sur-Seine Hotel Deals

Cowool Cergy

Cowool Cergy

34 Boulevard Du Port Cergy
$67 nightly
The price is $88 total per night from Nov 14 to Nov 15
$88 total
Nov 14 - Nov 15
Total with taxes and fees
Cowool Cergy
Parc Hotel

Parc Hotel

1 out of 5
154 Rue du Parc Carrieres-sous-Poissy Yvelines
$47 nightly
The price is $58 total per night from Nov 21 to Nov 22
$58 total
Nov 21 - Nov 22
Total with taxes and fees
8.2/10 Very Good! (138 reviews)
"It was a convenient stop for a long trip, there is no AC, avoid booking it in hot summer"

Reviewed on Aug 12, 2026

Parc Hotel
Campanile NATURE - Villennes sur Seine Poissy

Campanile NATURE - Villennes sur Seine Poissy

3 out of 5
Zac Du Pres Seigneur Villennes-sur-Seine Yvelines
$62 nightly
The price is $79 total per night from Nov 28 to Nov 29
$79 total
Nov 28 - Nov 29
Total with taxes and fees
8/10 Very Good! (393 reviews)
"Very decent motel with okay breakfast. Convenient location."

Reviewed on Oct 15, 2026

Campanile NATURE - Villennes sur Seine Poissy
See all 892 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.

Find the Best Rosny-sur-Seine Vacation Packages

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 $1,492 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.