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$1,131+ Cheap flights from Illinois 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ROS
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
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Cheap flight deals from Illinois to Rosario

Keep the following information in mind while searching for Illinois to Rosario flight deals. Data was last updated April 2, 2025.

Round-trip from

$1,131
(Mytrip)
From Illinois to Rosario Fisherton
Search Deals

Find flight deals from Illinois to Rosario

Cheapest flights from Illinois to Rosario
Explore the most affordable flight options available from Illinois to Rosario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2025.

This Mytrip deal was found by Cheapflights users on 4/1. 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.
Fri 5/1612:41 pmORD - ROS
3 stops35h 24mMultiple Airlines
Fri 5/237:25 pmROS - ORD
3 stops30h 04mMultiple Airlines
Deal found 4/1$1,131
This American Airlines deal was found by Cheapflights users on 4/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/161:41 pmORD - ROS
2 stops34h 24mAmerican Airlines
Thu 5/223:00 amROS - ORD
2 stops34h 09mAmerican Airlines
Deal found 4/1$1,308
This Gotogate deal was found by Cheapflights users on 3/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/167:54 amORD - ROS
1 stop14h 19mCopa Airlines
Thu 5/221:21 amROS - ORD
1 stop25h 13mCopa Airlines
Deal found 3/31$1,323
This SmartFares deal was found by Cheapflights users on 3/31. 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.
Fri 5/161:41 pmORD - ROS
2 stops34h 24mGOL
Thu 5/223:00 amROS - ORD
2 stops39h 05mGOL
Deal found 3/31$1,981

Cheapflights Fare Finder

Customize your flight search to find flights from Illinois 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 April 2, 2025.
Use the filters below to find and compare flights from Illinois to Rosario that are best for you.

Fly from

Illinois

Fly to

Rosario

Route

Depart

Return

Price

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

Fri 5/16

12:41 pm-2:05 am

3 stops35h 24m

Rosario Fisherton

Fri 5/23

7:25 pm-11:29 pm

3 stops30h 04m

$1,131

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

Fri 5/16

1:41 pm-2:05 am

2 stops34h 24m

Rosario Fisherton

Thu 5/22

3:00 am-11:09 am

2 stops34h 09m

$1,308

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

Fri 5/16

7:54 am-12:13 am

1 stop14h 19m

Rosario Fisherton

Thu 5/22

1:21 am-12:34 am

1 stop25h 13m

$1,323

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

Fri 5/16

1:41 pm-2:05 am

2 stops34h 24m

Rosario Fisherton

Thu 5/22

3:00 am-4:05 pm

2 stops39h 05m

$1,981

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Best time to book a flight from Illinois to Rosario

Have a flexible travel schedule? Discover the best time to fly to Rosario from Illinois 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.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Rosario

Rainfall in Rosario by month

Plan your trip to Rosario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Rosario ranges from 1.2 - 5.9 inches per month. March is typically the wettest month, when rainfall can reach 5.9 in. July is typically the driest time to visit Rosario when rainfall is around 1.2 in.

Temperature in Rosario by month

Plan your trip to Rosario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Rosario, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 50.0 F).

Reviews of airlines servicing Rosario

Get insights into the airlines that provide service to Rosario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Rosario. Reviews last updated April 2, 2025.
Copa Airlines
7.6
Good
1,400 reviews

Food

6.8

Overall

7.6

Entertainment

6.8

Boarding

7.8

Crew

8.1

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Anonymous,Mar 2025

PTY - JFK

There was no chance for me to choose a seat even if I were willing to pay extra for it when I was doing the check-in on line. My seats were the last row on the plane and they didn't have enough food to give me. I had to eat what was left after everybody else had their choice of food. This is unacceptable. Everyone should have a choice. I paid money just like everybody else. Never had this happened on any other airlines even if my seats were last row on the plane.
Copa Airlines
7.6
Good
1,400 reviews
Copa Airlines
7.6
Good
1,400 reviews

Food

6.8

Overall

7.6

Entertainment

6.8

Boarding

7.8

Crew

8.1

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Anonymous,Mar 2025

PTY - JFK

There was no chance for me to choose a seat even if I were willing to pay extra for it when I was doing the check-in on line. My seats were the last row on the plane and they didn't have enough food to give me. I had to eat what was left after everybody else had their choice of food. This is unacceptable. Everyone should have a choice. I paid money just like everybody else. Never had this happened on any other airlines even if my seats were last row on the plane.
GOL
7.3
Good
1,053 reviews
Copa Airlines
7.6
Good
1,400 reviews

Food

6.8

Overall

7.6

Entertainment

6.8

Boarding

7.8

Crew

8.1

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Anonymous,Mar 2025

PTY - JFK

There was no chance for me to choose a seat even if I were willing to pay extra for it when I was doing the check-in on line. My seats were the last row on the plane and they didn't have enough food to give me. I had to eat what was left after everybody else had their choice of food. This is unacceptable. Everyone should have a choice. I paid money just like everybody else. Never had this happened on any other airlines even if my seats were last row on the plane.
American Airlines
7.2
Good
10,000 reviews
Copa Airlines
7.6
Good
1,400 reviews

Food

6.8

Overall

7.6

Entertainment

6.8

Boarding

7.8

Crew

8.1

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Anonymous,Mar 2025

PTY - JFK

There was no chance for me to choose a seat even if I were willing to pay extra for it when I was doing the check-in on line. My seats were the last row on the plane and they didn't have enough food to give me. I had to eat what was left after everybody else had their choice of food. This is unacceptable. Everyone should have a choice. I paid money just like everybody else. Never had this happened on any other airlines even if my seats were last row on the plane.

Related info for your journey

Find useful and relevant information for your journey from Illinois 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 Illinois?

    Rosario Fisherton (ROS) is the airport you will fly into if you book a flight from Illinois to Rosario. It is only a 6.6 mi journey from Fisherton (ROS) to Rosario’s city center.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois 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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