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$417+ Cheap flights from Newark (EWR) to Rosario (ROS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — ROS
ago 19 — ago 261
ter 8/19
ter 8/26
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 agosto 14, 2025.

Round-trip from

$1,174
(Mytrip)

One-way from

$417
(Kiwi.com)
From Newark to Rosario Fisherton
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One-way flight from Newark to Rosario Fisherton
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Find flight deals from Newark to Rosario

Cheapest flights from Newark to Rosario
Explore the most affordable flight options available from Newark to Rosario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 14, 2025.

This Mytrip deal was found by Cheapflights users on 8/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 9/106:10 amEWR - ROS
3 stops26h 15mMultiple Airlines
sáb 9/203:00 amROS - EWR
3 stops31h 05mMultiple Airlines
Deal found 8/11$1,174
This Mytrip deal was found by Cheapflights users on 8/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 9/116:10 amEWR - ROS
3 stops22h 55mMultiple Airlines
sáb 9/203:00 amROS - EWR
3 stops31h 05mMultiple Airlines
Deal found 8/11$1,177
This lol.travel deal was found by Cheapflights users on 8/13. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 9/152:26 pmEWR - ROS
2 stops25h 34mMultiple Airlines
sex 9/197:30 amROS - EWR
1 stop25h 35mMultiple Airlines
Deal found 8/13$1,778
This AOBTravel deal was found by Cheapflights users on 8/14. 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 AOBTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 8/319:35 amEWR - ROS
1 stop13h 39mMultiple Airlines
sex 9/51:22 amROS - EWR
1 stop15h 42mMultiple Airlines
Deal found 8/14$4,019
This Flightnetwork deal was found by Cheapflights users on 8/14. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 8/313:15 pmEWR - ROS
1 stop35h 37mCopa Airlines
sáb 9/65:08 amROS - EWR
1 stop35h 39mCopa Airlines
Deal found 8/14$5,503

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 agosto 14, 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

qua 9/10

6:10 am-9:25 am

3 stops26h 15m

Rosario Fisherton

sáb 9/20

3:00 am-9:05 am

3 stops31h 05m

$1,174

NewarkRosario

EWR - ROS

EWRROS

Newark

qui 9/11

6:10 am-6:05 am

3 stops22h 55m

Rosario Fisherton

sáb 9/20

3:00 am-9:05 am

3 stops31h 05m

$1,177

NewarkRosario

EWR - ROS

EWRROS

Newark

seg 9/15

2:26 pm-5:00 pm

2 stops25h 34m

Rosario Fisherton

sex 9/19

7:30 am-8:05 am

1 stop25h 35m

$1,778

NewarkRosario

EWR - ROS

EWRROS

Newark

dom 8/31

9:35 am-12:14 am

1 stop13h 39m

Rosario Fisherton

sex 9/5

1:22 am-4:04 pm

1 stop15h 42m

$4,019

NewarkRosario

EWR - ROS

EWRROS

Newark

dom 8/31

3:15 pm-3:52 am

1 stop35h 37m

Rosario Fisherton

sáb 9/6

5:08 am-3:47 pm

1 stop35h 39m

$5,503

NewarkRosario

EWR - ROS

EWRROS

Newark

seg 9/8

10:00 pm-1:45 pm

3 stops38h 45m

$417

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

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.

  • 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.

See more FAQs

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