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Rosario

$504+ 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 11/30. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ROS
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
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 August 14, 2025.

Round-trip from

$1,514
(LATAM Airlines)

One-way from

$504
(Kiwi.com)
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

Best flights from O'Hare Intl to Rosario
Discover carefully curated flight deals from O'Hare Intl to Rosario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2025.

This LATAM Airlines deal was found by Cheapflights users on 8/12. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/85:50 amORD - ROS
2 stops21h 15mLATAM Airlines
Tue 2/107:50 amROS - ORD
2 stops19h 04mLATAM Airlines
Deal found 8/12$1,514
This Copa Airlines 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/86:56 amORD - ROS
1 stop14h 24mCopa Airlines
Mon 2/91:34 amROS - ORD
1 stop25h 30mCopa Airlines
Deal found 8/13$2,781

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 August 14, 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

Sun 2/8

5:50 am-6:05 am

2 stops21h 15m

Rosario Fisherton

Tue 2/10

7:50 am-11:54 pm

2 stops19h 04m

$1,514

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

$2,781

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

Sun 11/30

3:30 am-12:35 pm

3 stops30h 05m

$504

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

Thu 12/4

10:20 pm-6:45 pm

2 stops41h 25m

$526

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

Wed 12/3

10:20 pm-4:45 pm

2 stops39h 25m

$535

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

Tue 12/2

10:20 pm-7:50 am

3 stops30h 30m

$582

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

Sat 11/29

10:20 pm-3:15 pm

2 stops37h 55m

$595

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

Fri 11/28

10:20 pm-3:35 pm

2 stops38h 15m

$596

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

Sun 11/30

10:20 pm-5:00 pm

2 stops39h 40m

$596

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

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.

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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