How long is the flight from Illinois to Rosario?

Copa Airlines can get you from Illinois to Rosario in just under 14h 24m. Your travel time can differ by up to . Airlines will cover a distance of 5449 mi.

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.

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).

What is the cheapest time of day to fly from IL to ROS?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Rosario as you normally would.

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.

$2,099+ Flights from Illinois to Rosario

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Cheap flight deals from Illinois to Rosario

Round-trip from	$2,099 (Copa Airlines)

From Illinois to Rosario Fisherton

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Find flight deals from Illinois to Rosario

Best flights from Illinois to Rosario
Discover carefully curated flight deals from Illinois to Rosario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2025.

Sun 2/86:56 amORD - ROS

1 stop14h 24mCopa Airlines

Mon 2/91:34 amROS - ORD

1 stop25h 30mCopa Airlines

Deal found 8/20

$2,099

Fly from

Fly to

Route

Depart

Return

Price

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

Sun 2/8

6:56 am-12:20 am

1 stop14h 24m

Rosario Fisherton

Mon 2/9

1:34 am-12:04 am

1 stop25h 30m

$2,099

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

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

No data available for this route at this time. Please check back soon.

Related info for your journey

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.
How long is the flight from Illinois to Rosario?
Copa Airlines can get you from Illinois to Rosario in just under 14h 24m. Your travel time can differ by up to . Airlines will cover a distance of 5449 mi.
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.

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$2,099+ 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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.