ORD - ROS

$459 Find Cheap Flights from Chicago to Rosario

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Chicago to Rosario departing on 11/18. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Rosario

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to Rosario, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to Rosario, as well as popular online travel agencies
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41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$1,224
LATAM Airlines
Fri 9/18Sun 9/27
ORD - ROS • 2 stops
Cheapest one-way
$459
Multiple Airlines
Wed 11/18
ORD - ROS • 3 stops
Nonstop flights
Not available
There are currently no direct flights between Chicago and Rosario. You'll need at least 1 connection.
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Rosario!
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Flight Deals

Cheap Flights from Chicago to Rosario (ORD-ROS)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Chicago to Rosario that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Chicago to Rosario

Fri, Sep 18 - Sun, Sep 27
LATAM Airlines Logo
1:50 pm - 11:40 am
ORD
-
ROS
19h 50m
2 stops
LATAM Airlines Logo
7:40 am - 9:42 am
ROS
-
ORD
28h 02m
2 stops
$1,224LATAM Airlines
Tue, Oct 6 - Fri, Oct 16
LATAM Airlines Logo
11:10 am - 11:40 am
ORD
-
ROS
22h 30m
2 stops
LATAM Airlines Logo
7:40 am - 11:50 pm
ROS
-
ORD
18h 10m
2 stops
$1,252LATAM Airlines
Fri, Nov 27 - Tue, Dec 1
LATAM Airlines Logo
5:30 am - 11:10 am
ORD
-
ROS
26h 40m
2 stops
LATAM Airlines Logo
4:45 pm - 12:36 pm
ROS
-
ORD
22h 51m
2 stops
$1,307LATAM Airlines
Fri, Sep 18 - Sun, Sep 27
LATAM Airlines Logo
1:50 pm - 11:40 am
ORD
-
ROS
19h 50m
2 stops
LATAM Airlines Logo
7:40 am - 10:09 am
ROS
-
ORD
28h 29m
2 stops
$1,308LATAM Airlines
Tue, Oct 6 - Thu, Oct 15
Multiple Airlines Logo
11:20 pm - 9:25 am
ORD
-
ROS
32h 05m
2 stops
Multiple Airlines Logo
3:39 am - 11:12 am
ROS
-
ORD
33h 33m
1 stop
$1,323Multiple Airlines
Fri, Sep 18 - Sun, Sep 27
Multiple Airlines Logo
6:45 am - 11:40 am
ORD
-
ROS
26h 55m
2 stops
Multiple Airlines Logo
7:40 am - 9:20 pm
ROS
-
ORD
39h 40m
3 stops
$1,367Multiple Airlines
Fri, Sep 18 - Sat, Sep 26
Avianca Logo
11:20 pm - 11:55 am
ORD
-
ROS
34h 35m
2 stops
Avianca Logo
2:10 am - 9:20 pm
ROS
-
ORD
21h 10m
2 stops
$1,418Avianca
Mon, Jun 15 - Fri, Jun 19
Multiple Airlines Logo
9:35 am - 5:50 am
ORD
-
ROS
42h 15m
2 stops
Multiple Airlines Logo
7:40 am - 11:59 pm
ROS
-
ORD
18h 19m
2 stops
$1,421Multiple Airlines
Fri, Sep 11 - Sun, Sep 20
Multiple Airlines Logo
11:20 pm - 1:10 am
ORD
-
ROS
23h 50m
2 stops
Multiple Airlines Logo
10:15 pm - 9:20 pm
ROS
-
ORD
25h 05m
2 stops
$1,473Multiple Airlines
Fri, Sep 18 - Sun, Sep 27
Multiple Airlines Logo
6:45 am - 2:00 pm
ORD
-
ROS
29h 15m
3 stops
Multiple Airlines Logo
7:40 am - 9:20 pm
ROS
-
ORD
39h 40m
3 stops
$1,567Multiple Airlines
Booking Insights

KAYAK's insights & trends for Chicago to Rosario flights

Get data-powered insights and trends into flights from Chicago to Rosario to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Chicago to Rosario?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 7 days.

In the past 7 days, the cheapest round-trip tickets from Chicago to Rosario were found on LATAM Airlines ($1,224) and Avianca ($1,418).

Find deals

Good to know

Cheapest flight$459
Flight from Chicago to Rosario

When to book flights from Chicago to Rosario

Are your dates flexible? Find out the best times to travel from Chicago to Rosario based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Chicago to Rosario flights

  • What is the cheapest flight from Chicago O'Hare Intl Airport to Rosario?

    In the last 7 days, the lowest price for a flight from Chicago O'Hare Intl Airport to Rosario was $459 for a one-way ticket and $1,224 for a round-trip.

  • Do I need a passport to fly between Chicago and Rosario?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Chicago and on arrival in Rosario.

  • Which aircraft models fly most regularly from Chicago to Rosario?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Chicago to Rosario?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Chicago to Rosario.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Chicago to Rosario?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Rosario from Chicago is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Chicago to Rosario?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Rosario with an airline and back to Chicago with another airline. Booking your flights between Chicago and ROS can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Chicago to Rosario?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Rosario from Chicago up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Chicago to Rosario

Information on your arrival and departure airports

Chicago (ORD)
Rosario (ROS)