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$1,472+ Cheap flights from Newark (EWR) to Rosario (ROS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — ROS
Oct 25 — Nov 11
Sat 10/25
Sat 11/1
1 adult, Economy
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Cheap flight deals from Newark to Rosario

Discover tips and strategies to find the most affordable flight options for your journey from Newark (EWR) to Rosario (ROS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 25, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,472
(SmartFares)
Provider with most accurate pricing for Newark-Rosario Fisherton flight deals.
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Provider most trusted by Cheapflights users for Newark-Rosario Fisherton flights.
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From Newark to Rosario Fisherton
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Find flight deals from Newark to Rosario

Best flights from Newark to Rosario
Discover carefully curated flight deals from Newark to Rosario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 25, 2025.

This SmartFares deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/196:40 pmEWR - ROS
2 stops30h 35mGOL
Sat 3/282:55 amROS - EWR
2 stops33h 29mGOL
Deal found 9/25$1,472
This LATAM Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1912:05 pmEWR - ROS
2 stops17h 05mLATAM Airlines
Sun 3/297:30 amROS - EWR
2 stops18h 29mLATAM Airlines
Deal found 9/25$2,208

Cheapflights Fare Finder

 
Customize your flight search to find flights from Newark to Rosario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 25, 2025.
Use the filters below to find and compare flights from Newark Airport to Rosario that are best for you.

Fly from

Newark

Fly to

Rosario

Route

Depart

Return

Price

NewarkRosario

EWR - ROS

EWRROS

Newark

Thu 3/19

6:40 pm-2:15 am

2 stops30h 35m

Rosario Fisherton

Sat 3/28

2:55 am-11:24 am

2 stops33h 29m

$1,472

NewarkRosario

EWR - ROS

EWRROS

Newark

Thu 3/19

12:05 pm-6:10 am

2 stops17h 05m

Rosario Fisherton

Sun 3/29

7:30 am-12:59 am

2 stops18h 29m

$2,208

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/25

  • Most accurate provider: When it comes to deals on Newark Airport-Rosario flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Newark Airport-Rosario flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Newark Airport-Rosario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Newark Airport-Rosario flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Newark Airport-Rosario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Newark to Rosario

Have a flexible travel schedule? Discover the best time to fly to Rosario from Newark with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Newark to Rosario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Rosario from Newark?

    Located just 6.6 mi from the city center, Rosario Fisherton is the airport most travelers will use when flying to Rosario from Newark. Booking flights from Newark to Fisherton (ROS) should be relatively easy as there are 0 daily inbound flights from Newark from 0 different airlines.

  • How long is the flight from Newark Airport to Rosario?

    GOL and LATAM Airlines can get you from Newark Airport to Rosario in just under 17h 05m. Your travel time can differ by up to 13h 30m. Newark Airport and Rosario are separated by a distance of 5153 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Newark to Rosario that include hotel bookings?

    Yes. In addition to deals on Newark to Rosario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Newark to Rosario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Newark to Rosario.

  • Can I find deals for business class flights from Newark to Rosario?

    Yes. Cheapflights offers flight deals from Newark to Rosario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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