How do I get Price Alerts for flights from Chicago O'Hare Intl Airport to Rosario?

Confirm your travel details to search for the latest offers for flights from Chicago O'Hare Intl Airport to Rosario . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from Chicago O'Hare Intl Airport to Rosario with momondo?

By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Rosario Fisherton Airport?

Prices for flights from Chicago O'Hare Intl Airport to Rosario Fisherton Airport refresh daily.

How old do you have to be to fly from Chicago O'Hare Intl Airport to Rosario Fisherton Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Rosario Fisherton Airport.

What documentation or ID do you need to fly to Rosario Fisherton Airport?

The required travel and health documents for your Rosario Fisherton Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Rosario Fisherton Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$1,758 Cheap Flights from Chicago O'Hare Intl Airport to Rosario (ORD-ROS) in 2025

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Find the cheapest flights from Chicago O'Hare Intl Airport to Rosario (ORD-ROS)

Round-trip

One-way

Cheap round-trip flights

6:56 am - 3:53 amORD-ROS

17h 57m1 stop

1:34 am - 12:04 amROS-ORD

25h 30m1 stop

$1,758Copa Airlines

Find Deal

Sun, Feb 8 - Mon, Feb 9

2:22 pm - 12:20 amORD-ROS

30h 58m1 stop

5:20 am - 12:04 amROS-ORD

21h 44m1 stop

$1,801Copa Airlines

Find Deal

Sun, Feb 8 - Tue, Feb 10

2:22 pm - 12:20 amORD-ROS

30h 58m1 stop

5:20 am - 12:04 amROS-ORD

21h 44m1 stop

$1,836Copa Airlines

Find Deal

Sun, Feb 8 - Tue, Feb 10

6:56 am - 3:53 amORD-ROS

17h 57m1 stop

1:34 am - 12:04 amROS-ORD

25h 30m1 stop

$1,845Copa Airlines

Find Deal

Sun, Feb 8 - Mon, Feb 9

6:56 am - 3:53 amORD-ROS

17h 57m1 stop

1:34 am - 12:31 pmROS-ORD

13h 57m1 stop

$1,901Copa Airlines

Find Deal

Sun, Feb 8 - Mon, Feb 9

6:56 am - 3:53 amORD-ROS

17h 57m1 stop

5:20 am - 12:31 pmROS-ORD

34h 11m1 stop

$1,981Copa Airlines

Find Deal

Sun, Feb 8 - Tue, Feb 10

Copa Airlines flights from Chicago O'Hare Intl Airport to Rosario

Our best Copa Airlines deals on Chicago O'Hare Intl Airport to Rosario flight tickets

Copa Airlines

Feb 8

ORD6:56 amChicago O'Hare Intl

17h 57m

1 stop

ROS3:53 amRosario Fisherton

Feb 9

ROS1:34 amRosario Fisherton

25h 30m

1 stop

ORD12:04 amChicago O'Hare Intl

$1,758

Find similar

Copa Airlines

Feb 8

ORD2:22 pmChicago O'Hare Intl

30h 58m

1 stop

ROS12:20 amRosario Fisherton

Feb 10

ROS5:20 amRosario Fisherton

21h 44m

1 stop

ORD12:04 amChicago O'Hare Intl

$1,801

Find similar

Copa Airlines

Feb 8

ORD2:22 pmChicago O'Hare Intl

30h 58m

1 stop

ROS12:20 amRosario Fisherton

Feb 10

ROS5:20 amRosario Fisherton

21h 44m

1 stop

ORD12:04 amChicago O'Hare Intl

$1,836

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Rosario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

Sun 2/8

6:56 am-3:53 am

1 stop17h 57m

Rosario Fisherton

Mon 2/9

1:34 am-12:04 am

1 stop25h 30m

$1,758

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

Sun 2/8

2:22 pm-12:20 am

1 stop30h 58m

Rosario Fisherton

Tue 2/10

5:20 am-12:04 am

1 stop21h 44m

$1,801

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

Sun 2/8

2:22 pm-12:20 am

1 stop30h 58m

Rosario Fisherton

Tue 2/10

5:20 am-12:04 am

1 stop21h 44m

$1,836

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

Sun 2/8

6:56 am-3:53 am

1 stop17h 57m

Rosario Fisherton

Mon 2/9

1:34 am-12:04 am

1 stop25h 30m

$1,845

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

Sun 2/8

6:56 am-3:53 am

1 stop17h 57m

Rosario Fisherton

Mon 2/9

1:34 am-12:31 pm

1 stop13h 57m

$1,901

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

Sun 2/8

6:56 am-3:53 am

1 stop17h 57m

Rosario Fisherton

Tue 2/10

5:20 am-12:31 pm

1 stop34h 11m

$1,981

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Chicago O'Hare Intl Airport to Rosario

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Rosario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Rosario (ORD to ROS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Rosario

Direct flights	None

There are no direct flights from Chicago O'Hare Intl Airport to Rosario. There are no popular flight routes from Chicago O'Hare Intl Airport to Rosario.

Search flight deals

How far is Chicago O'Hare Intl to Rosario Fisherton by plane?
Chicago O'Hare Intl and Rosario Fisherton are 5454.6 mi apart from one another. In terms of flight time, this usually takes a little over 17h 57m.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Rosario Fisherton Airport?
Prices for flights from Chicago O'Hare Intl Airport to Rosario Fisherton Airport refresh daily.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Rosario Fisherton Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Rosario Fisherton Airport.
What documentation or ID do you need to fly to Rosario Fisherton Airport?
The required travel and health documents for your Rosario Fisherton Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Rosario Fisherton Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

How do I get Price Alerts for flights from Chicago O'Hare Intl Airport to Rosario?
Confirm your travel details to search for the latest offers for flights from Chicago O'Hare Intl Airport to Rosario. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Chicago O'Hare Intl Airport to Rosario with momondo?
By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Rosario?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Rosario from Chicago.

Can I find flights from Chicago to Rosario with flexible booking policies on momondo?

momondo does allow users to show only those flights to Rosario from Chicago which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Chicago to Rosario?

Once you have performed a search for Chicago to Rosario flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Chicago to Rosario right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Chicago to Rosario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Rosario and let you know when they change.

An easier way to manage your Rosario trip

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Find better results for your trip to Argentina

Cheap flights from Chicago O'Hare Intl Airport to Rosario from $1,758

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Chicago O'Hare Intl Airport to Rosario (ORD-ROS)

Cheap round-trip flights

Cheap one-way flights

Copa Airlines flights from Chicago O'Hare Intl Airport to Rosario

Our best Copa Airlines deals on Chicago O'Hare Intl Airport to Rosario flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Rosario that are best for you.

When to book flights from Chicago O'Hare Intl Airport to Rosario

Cheap Chicago O'Hare Intl Airport to Rosario (ORD to ROS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Rosario

Direct flights

How far is Chicago O'Hare Intl to Rosario Fisherton by plane?

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Rosario Fisherton Airport?

How old do you have to be to fly from Chicago O'Hare Intl Airport to Rosario Fisherton Airport?

What documentation or ID do you need to fly to Rosario Fisherton Airport?

How do I get Price Alerts for flights from Chicago O'Hare Intl Airport to Rosario?

How can I save money on flights from Chicago O'Hare Intl Airport to Rosario with momondo?

How does momondo find its flight prices?

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Rosario?

Can I find flights from Chicago to Rosario with flexible booking policies on momondo?

How can momondo help me find flights from Chicago to Rosario?

I’m not ready to book a flight from Chicago to Rosario right now. Can momondo alert me if prices change?

An easier way to manage your Rosario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Argentina

Airports servicing Argentina