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Rosario

$793+ Cheap flights from O'Hare Intl (ORD) 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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ROS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from O'Hare Intl to Rosario

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 June 12, 2025.

Round-trip from

$1,254
(LATAM Airlines)

One-way from

$793
(Copa Airlines)
From Chicago O'Hare Intl to Rosario Fisherton
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One-way flight from Chicago O'Hare Intl to Rosario Fisherton
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Find flight deals from O'Hare Intl to Rosario

Cheapest flights from O'Hare Intl to Rosario
Explore the most affordable flight options available from O'Hare Intl to Rosario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This LATAM Airlines deal was found by Cheapflights users on 6/11. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/810:40 amORD - ROS
2 stops41h 25mMultiple Airlines
Wed 11/197:30 amROS - ORD
2 stops37h 51mMultiple Airlines
Deal found 6/11$1,254
This Copa Airlines deal was found by Cheapflights users on 6/11. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/251:07 amORD - ROS
1 stop21h 07mCopa Airlines
Sat 8/25:07 amROS - ORD
1 stop21h 15mCopa Airlines
Deal found 6/11$1,407
This SmartFares deal was found by Cheapflights users on 6/10. 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 7/2510:37 amORD - ROS
2 stops41h 28mLATAM Airlines
Fri 8/17:30 amROS - ORD
2 stops18h 39mLATAM Airlines
Deal found 6/10$1,421
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Sun 7/2710:05 pmORD - ROS
3 stops50h 00mAmerican Airlines
Sat 8/23:00 amROS - ORD
2 stops33h 52mAmerican Airlines
Deal found 6/12$1,952

Cheapflights Fare Finder

Customize your flight search to find flights from O'Hare Intl 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 12, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Rosario that are best for you.

Fly from

O'Hare Intl

Fly to

Rosario

Route

Depart

Return

Price

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

Fri 7/25

5:40 pm-6:05 am

3 stops34h 25m

Rosario Fisherton

Fri 8/1

7:30 am-11:53 pm

3 stops42h 23m

$1,283

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

Fri 7/25

1:07 am-12:14 am

1 stop21h 07m

Rosario Fisherton

Sat 8/2

5:07 am-12:22 am

1 stop21h 15m

$1,407

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

Fri 7/25

10:37 am-6:05 am

2 stops41h 28m

Rosario Fisherton

Fri 8/1

7:30 am-12:09 am

2 stops18h 39m

$1,421

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

Sun 7/27

10:05 pm-2:05 am

3 stops50h 00m

Rosario Fisherton

Sat 8/2

3:00 am-10:52 am

2 stops33h 52m

$1,952

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

Fri 7/25

7:54 am-12:14 am

1 stop14h 20m

$793

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

Fri 7/25

12:06 pm-6:05 am

2 stops39h 59m

$868

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from O'Hare Intl to Rosario

Have a flexible travel schedule? Discover the best time to fly to Rosario from O'Hare Intl 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 Chicago O'Hare Intl Airport 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 12, 2025.
LATAM Airlines
7.5
Good
1,785 reviews

Boarding

7.6

Food

6.7

Crew

8.1

Comfort

7.4

Overall

7.5

Entertainment

7.0

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

Food

6.7

Crew

8.1

Comfort

7.4

Overall

7.5

Entertainment

7.0

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
1,451 reviews
LATAM Airlines
7.5
Good
1,785 reviews

Boarding

7.6

Food

6.7

Crew

8.1

Comfort

7.4

Overall

7.5

Entertainment

7.0

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.
American Airlines
7.2
Good
10,000 reviews
LATAM Airlines
7.5
Good
1,785 reviews

Boarding

7.6

Food

6.7

Crew

8.1

Comfort

7.4

Overall

7.5

Entertainment

7.0

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 O'Hare Intl 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 Chicago O'Hare Intl?

    Rosario Fisherton (ROS), located 6.6 mi from the city center, is the airport you fly into when you book flights from Chicago O'Hare Intl to Rosario. 0 airlines have flights to Fisherton from Chicago O'Hare Intl on a regular basis. Booking flights from Chicago O'Hare Intl to Rosario Fisherton should not be difficult; the airport handles an average of 0 inbound flights from Chicago O'Hare Intl per day.

  • Can I find deals for flights from O'Hare Intl to Rosario that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Rosario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Rosario?

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

  • Can I find deals for business class flights from O'Hare Intl to Rosario?

    Yes. Cheapflights offers flight deals from O'Hare Intl 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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