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Rosario

$1,515+ Cheap flights from O'Hare Intl (ORD) 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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ROS
Jan 21 — Jan 281
Wed 1/21
Wed 1/28
1 adult, Economy
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Cheap 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 December 22, 2025.

This LATAM Airlines deal was found by Cheapflights users on 12/19. 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 3/111:37 pmORD - ROS
2 stops34h 03mLATAM Airlines
Sat 3/142:45 amROS - ORD
2 stops23h 11mLATAM Airlines
Deal found 12/19$1,515

Find 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 December 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$1,515
(LATAM Airlines)
Provider with most accurate pricing for Chicago O'Hare Intl-Rosario Fisherton flight deals.
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Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Rosario Fisherton flights.
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From Chicago O'Hare Intl to Rosario Fisherton
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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 December 22, 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

Wed 3/11

1:37 pm-1:40 am

2 stops34h 03m

Rosario Fisherton

Sat 3/14

2:45 am-11:56 pm

2 stops23h 11m

$1,515

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

  • Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Rosario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Rosario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Rosario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Rosario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Rosario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

  • How long is the flight from Chicago O'Hare Intl Airport to Rosario?

    LATAM Airlines can get you from Chicago O'Hare Intl Airport to Rosario in just under 34h 03m. Your travel time can differ by up to . The distance between Chicago O'Hare Intl Airport and Rosario is about 5449 mi.

  • 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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