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Rosario

$672+ Cheap flights from Illinois 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ROS
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
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 June 16, 2025.

Round-trip from

$1,154
(Trip.com)

One-way from

$672
(Flightnetwork)
From Illinois to Rosario Fisherton
Search Deals
One-way flight from Illinois to Rosario Fisherton
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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 June 16, 2025.

This Trip.com deal was found by Cheapflights users on 6/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/291:07 amORD - ROS
2 stops46h 58mMultiple Airlines
Tue 8/53:00 amROS - ORD
2 stops36h 41mMultiple Airlines
Deal found 6/15$1,154
This Copa Airlines deal was found by Cheapflights users on 6/14. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/297:54 amORD - ROS
1 stop14h 20mCopa Airlines
Tue 8/55:07 amROS - ORD
1 stop21h 15mCopa Airlines
Deal found 6/14$1,407
This Trip.com deal was found by Cheapflights users on 6/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/305:59 pmORD - ROS
2 stops34h 06mLATAM Airlines
Wed 8/67:30 amROS - ORD
2 stops27h 10mLATAM Airlines
Deal found 6/15$1,420
This Trip.com deal was found by Cheapflights users on 6/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/302:35 pmORD - ROS
2 stops33h 30mGOL
Tue 8/53:00 amROS - ORD
2 stops34h 36mGOL
Deal found 6/15$1,568

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 June 16, 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

Tue 7/29

1:07 am-2:05 am

2 stops46h 58m

Rosario Fisherton

Tue 8/5

3:00 am-1:41 pm

2 stops36h 41m

$1,154

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

Tue 7/29

7:54 am-12:14 am

1 stop14h 20m

Rosario Fisherton

Tue 8/5

5:07 am-12:22 am

1 stop21h 15m

$1,407

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

Wed 7/30

5:59 pm-6:05 am

2 stops34h 06m

Rosario Fisherton

Wed 8/6

7:30 am-8:40 am

2 stops27h 10m

$1,420

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

Wed 7/30

2:35 pm-2:05 am

2 stops33h 30m

Rosario Fisherton

Tue 8/5

3:00 am-11:36 am

2 stops34h 36m

$1,568

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

Mon 7/28

1:07 am-12:14 am

1 stop21h 07m

$672

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

Tue 7/29

5:35 am-1:45 pm

3 stops30h 10m

$1,152

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

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 June 16, 2025.
LATAM Airlines
7.5
Good
1,785 reviews

Boarding

7.6

Entertainment

7.0

Comfort

7.4

Food

6.7

Crew

8.1

Overall

7.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
LATAM Airlines
7.5
Good
1,785 reviews
LATAM Airlines
7.5
Good
1,785 reviews

Boarding

7.6

Entertainment

7.0

Comfort

7.4

Food

6.7

Crew

8.1

Overall

7.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
Copa Airlines
7.5
Good
1,452 reviews
LATAM Airlines
7.5
Good
1,785 reviews

Boarding

7.6

Entertainment

7.0

Comfort

7.4

Food

6.7

Crew

8.1

Overall

7.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
GOL
7.3
Good
1,073 reviews
LATAM Airlines
7.5
Good
1,785 reviews

Boarding

7.6

Entertainment

7.0

Comfort

7.4

Food

6.7

Crew

8.1

Overall

7.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.

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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